I get almost the same, with no proxies:
#0 __strlen_sse2 () at ../sysdeps/x86_64/multiarch/../strlen.S:120
#1 0x0000555555be142a in std::ffi::c_str::CStr::from_ptr ()
#2 0x0000555555ae8013 in
git2::transport::subtransport_action::{{closure}} ()
at
/usr/share/cargo/registry/cargo-0.33.0/vendor/git2/src/transport.rs:223
#3 git2::panic::wrap (f=...) at
/usr/share/cargo/registry/cargo-0.33.0/vendor/git2/src/panic.rs:41
#4 0x0000555555aeb0b9 in git2::transport::subtransport_action
(stream=<optimized out>, raw_transport=0x5555563419f0,
url=0x0, action=0) at
/usr/share/cargo/registry/cargo-0.33.0/vendor/git2/src/transport.rs:222
#5 0x00007ffff7f2b794 in git_smart__negotiation_step
(transport=transport@entry=0x5555561b2ad0, data=0x555558761120,
len=1124) at ./src/transports/smart.c:333
#6 0x00007ffff7f2d5e0 in git_smart__negotiate_fetch
(transport=0x5555561b2ad0, repo=<optimized out>,
wants=0x5555560fa210, count=1) at ./src/transports/smart_protocol.c:392
#7 0x00007ffff7ec679e in git_fetch_negotiate
(remote=remote@entry=0x555556163530, opts=opts@entry=0x7fffffff2b80)
at ./src/fetch.c:128
#8 0x00007ffff7f0c9ef in git_remote_download
(remote=remote@entry=0x555556163530,
refspecs=refspecs@entry=0x7fffffff2a90,
opts=opts@entry=0x7fffffff2b80) at ./src/remote.c:929
#9 0x00007ffff7f0d74e in git_remote_fetch (remote=0x555556163530,
refspecs=0x7fffffff2a90, opts=0x7fffffff2b80,
reflog_message=0x0) at ./src/remote.c:969
#10 0x0000555555aec767 in git2::remote::Remote::fetch
(self=0x7fffffff2d20, refspecs=...,
opts=<unknown type in
/usr/lib/debug/.build-id/5a/dafb6a88215af9c0c802f3a7817d434ee4c89e.debug,
CU 0x1b4d574, DIE 0x1b4fb9b>, reflog_msg=<optimized out>) at
/usr/share/cargo/registry/cargo-0.33.0/vendor/git2/src/remote.rs:224
#11 0x00005555556a8e92 in cargo::sources::git::utils::fetch::{{closure}}
(opts=...)
at src/cargo/sources/git/utils.rs:723
#12 0x00005555556a6bd7 in
cargo::sources::git::utils::with_fetch_options::{{closure}}::{{closure}}
(f=...)
at src/cargo/sources/git/utils.rs:653
#13 0x00005555556a59b8 in
cargo::sources::git::utils::with_authentication (url=..., cfg=<optimized
out>, f=...)
at src/cargo/sources/git/utils.rs:450
#14 cargo::sources::git::utils::with_fetch_options::{{closure}} () at
src/cargo/sources/git/utils.rs:638
#15 core::ops::function::impls::<impl core::ops::function::FnOnce<A> for
&mut F>::call_once (self=<optimized out>,
args=<optimized out>) at
/usr/src/rustc-1.32.0/src/libcore/ops/function.rs:286
#16 cargo::util::network::Retry::try (f=<optimized out>, self=<optimized
out>) at src/cargo/util/network.rs:25
#17 cargo::util::network::with_retry (config=<optimized out>,
callback=...) at src/cargo/util/network.rs:87
#18 cargo::sources::git::utils::with_fetch_options
(git_config=0x7fffffff3360, url=0x555555e5e6e0,
config=0x7fffffffdbc0, cb=...) at src/cargo/sources/git/utils.rs:637
#19 0x00005555556a8319 in cargo::sources::git::utils::fetch
(repo=<optimized out>, url=0x5555563419f0, refspec=...,
config=<optimized out>) at src/cargo/sources/git/utils.rs:709
#20 0x0000555555723f0e in
<cargo::sources::registry::remote::RemoteRegistry<'cfg> as
cargo::sources::registry::RegistryDa
ta>::update_index (self=<optimized out>) at
src/cargo/sources/registry/remote.rs:211
#21 0x000055555564e9ea in
cargo::sources::registry::RegistrySource::do_update (self=0x555555f14f20)
at src/cargo/sources/registry/mod.rs:471
#22 0x0000555555651202 in
<cargo::sources::registry::RegistrySource<'cfg> as
cargo::core::source::Source>::update (
self=0x0) at src/cargo/sources/registry/mod.rs:562
#23 0x000055555590310b in
cargo::core::registry::PackageRegistry::load::{{closure}} () at
src/cargo/core/registry.rs:308
#24 cargo::core::registry::PackageRegistry::load (self=<optimized out>,
source_id=...,
kind=cargo::core::registry::Kind::Normal) at
src/cargo/core/registry.rs:296
#25 cargo::core::registry::PackageRegistry::ensure_loaded
(self=<optimized out>, namespace=...,
kind=cargo::core::registry::Kind::Normal) at
src/cargo/core/registry.rs:137
#26 0x0000555555904e07 in <cargo::core::registry::PackageRegistry<'cfg>
as cargo::core::registry::Registry>::query (
self=<optimized out>, dep=<optimized out>, f=..., fuzzy=false) at
src/cargo/core/registry.rs:457
#27 0x00005555556fe8a5 in
cargo::core::resolver::types::RegistryQueryer::query (self=<optimized out>,
dep=<optimized out>) at src/cargo/core/resolver/types.rs:115
#28 cargo::core::resolver::context::Context::build_deps::{{closure}} ()
at src/cargo/core/resolver/context.rs:113
#29 core::ops::function::impls::<impl core::ops::function::FnOnce<A> for
&mut F>::call_once (self=0x7fffffff4150,
args=...) at /usr/src/rustc-1.32.0/src/libcore/ops/function.rs:286
#30 <core::option::Option<T>>::map (f=0x7fffffff4150, self=<optimized out>)
at /usr/src/rustc-1.32.0/src/libcore/option.rs:424
#31 <core::iter::Map<I, F> as core::iter::iterator::Iterator>::next
(self=<optimized out>)
at /usr/src/rustc-1.32.0/src/libcore/iter/mod.rs:1328
#32 <<core::result::Result<V, E> as
core::iter::traits::FromIterator<core::result::Result<A,
E>>>::from_iter::Adapter<Iter, E> as
core::iter::iterator::Iterator>::next (self=<optimized out>)
at /usr/src/rustc-1.32.0/src/libcore/result.rs:1232
#33 <&mut I as core::iter::iterator::Iterator>::next (self=<optimized out>)
at /usr/src/rustc-1.32.0/src/libcore/iter/iterator.rs:2624
#34 0x000055555593cbf8 in <alloc::vec::Vec<T> as
alloc::vec::SpecExtend<T, I>>::from_iter (iterator=<optimized out>)
at /usr/src/rustc-1.32.0/src/liballoc/vec.rs:1788
#35 0x0000555555715a59 in <alloc::vec::Vec<T> as
core::iter::traits::FromIterator<T>>::from_iter (iter=0x555555e5bb80)
at /usr/src/rustc-1.32.0/src/liballoc/vec.rs:1700
#36 <core::result::Result<V, E> as
core::iter::traits::FromIterator<core::result::Result<A, E>>>::from_iter
(iter=...)
at /usr/src/rustc-1.32.0/src/libcore/result.rs:1249
#37 core::iter::iterator::Iterator::collect (self=...) at
/usr/src/rustc-1.32.0/src/libcore/iter/iterator.rs:1477
#38 cargo::core::resolver::context::Context::build_deps (self=<optimized
out>, registry=<optimized out>,
parent=<optimized out>, candidate=0x7fffffff4750, method=<optimized
out>) at src/cargo/core/resolver/context.rs:110
#39 0x00005555557a2e84 in cargo::core::resolver::activate (cx=<optimized
out>, registry=0x7fffffff69c0,
parent=<optimized out>, candidate=..., method=0x555555f0de98) at
src/cargo/core/resolver/mod.rs:622
#40 0x000055555579f411 in cargo::core::resolver::activate_deps_loop
(cx=..., registry=<optimized out>, summaries=...,
config=<optimized out>) at src/cargo/core/resolver/mod.rs:188
#41 0x000055555579e028 in cargo::core::resolver::resolve (summaries=...,
replacements=..., registry=...,
try_to_use=0x7fffffff6c00,
config=<unknown type in
/usr/lib/debug/.build-id/5a/dafb6a88215af9c0c802f3a7817d434ee4c89e.debug,
CU 0x77609a, DIE 0x881362>, print_warnings=<optimized out>) at
src/cargo/core/resolver/mod.rs:125
#42 0x00005555559c4428 in cargo::ops::resolve::resolve_with_previous
(registry=<optimized out>, ws=<optimized out>,
method=<optimized out>, previous=<optimized out>,
to_avoid=<optimized out>, specs=...,
register_patches=<optimized out>, warn=<optimized out>) at
src/cargo/ops/resolve.rs:326
#43 0x00005555559c269b in cargo::ops::resolve::resolve_with_registry
(ws=0x7fffffffd2a0, registry=0x7fffffffa160,
warn=<optimized out>) at src/cargo/ops/resolve.rs:110
#44 0x00005555559c1be9 in cargo::ops::resolve::resolve_ws_with_method
(ws=0x7fffffffd2a0,
source=<unknown type in
/usr/lib/debug/.build-id/5a/dafb6a88215af9c0c802f3a7817d434ee4c89e.debug,
CU 0x10675f1, DIE 0x109f84c>,
method=<unknown type in
/usr/lib/debug/.build-id/5a/dafb6a88215af9c0c802f3a7817d434ee4c89e.debug,
CU 0x10675f1, DIE 0x109f85b>, specs=...) at src/cargo/ops/resolve.rs:62
#45 0x00005555556858c4 in cargo::ops::cargo_compile::compile_ws
(ws=<optimized out>,
source=<unknown type in
/usr/lib/debug/.build-id/5a/dafb6a88215af9c0c802f3a7817d434ee4c89e.debug,
CU 0x3f11ea, DIE 0x4ba018>, options=<optimized out>, exec=<optimized
out>) at src/cargo/ops/cargo_compile.rs:247
#46 0x00005555556855f2 in cargo::ops::cargo_compile::compile_with_exec
(ws=0x7fffffffd2a0, options=0x7fffffffd108,
exec=<optimized out>) at src/cargo/ops/cargo_compile.rs:210
#47 cargo::ops::cargo_compile::compile (ws=0x7fffffffd2a0,
options=0x7fffffffd108) at src/cargo/ops/cargo_compile.rs:199
#48 0x0000555555990b69 in cargo::ops::cargo_run::run (ws=0x7fffffffd2a0,
options=0x0, args=...)
at src/cargo/ops/cargo_run.rs:78
#49 0x0000555555604338 in cargo::commands::run::exec
(config=0x7fffffffdbc0, args=0x555555e944e8)
at src/bin/cargo/commands/run.rs:73
#50 0x00005555555b5832 in cargo::cli::execute_subcommand
(config=<optimized out>, args=<optimized out>)
at src/bin/cargo/cli.rs:163
#51 cargo::cli::main (config=0x7fffffffdbc0) at src/bin/cargo/cli.rs:79
#52 0x00005555555d8a4d in cargo::main () at src/bin/cargo/main.rs:53
Cargo 0.33.0-1, libgit2 0.27.7+dfsg.1-0.1.
