[INFO] crate rusty-variation 0.1.0 is already in cache
[INFO] extracting crate rusty-variation 0.1.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/rusty-variation/0.1.0
[INFO] extracting crate rusty-variation 0.1.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/rusty-variation/0.1.0
[INFO] validating manifest of rusty-variation-0.1.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rusty-variation-0.1.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rusty-variation-0.1.0
[INFO] finished frobbing rusty-variation-0.1.0
[INFO] frobbed toml for rusty-variation-0.1.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/rusty-variation/0.1.0/Cargo.toml
[INFO] started frobbing rusty-variation-0.1.0
[INFO] finished frobbing rusty-variation-0.1.0
[INFO] frobbed toml for rusty-variation-0.1.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/rusty-variation/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rusty-variation-0.1.0 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/rusty-variation/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 9a28c0dd6e0c3e2102ecceeff6f6b9dfc6341272fbdda9772906bb3b1963c037
[INFO] running `"docker" "start" "-a" "9a28c0dd6e0c3e2102ecceeff6f6b9dfc6341272fbdda9772906bb3b1963c037"`
[INFO] [stderr]    Compiling rusty-variation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "9a28c0dd6e0c3e2102ecceeff6f6b9dfc6341272fbdda9772906bb3b1963c037"`
[INFO] running `"docker" "rm" "-f" "9a28c0dd6e0c3e2102ecceeff6f6b9dfc6341272fbdda9772906bb3b1963c037"`
[INFO] [stdout] 9a28c0dd6e0c3e2102ecceeff6f6b9dfc6341272fbdda9772906bb3b1963c037
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/rusty-variation/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8e7a7a1c57c7d9625f6124a42496b20e2e810ce0b3548fcb8cc03137e5efae27
[INFO] running `"docker" "start" "-a" "8e7a7a1c57c7d9625f6124a42496b20e2e810ce0b3548fcb8cc03137e5efae27"`
[INFO] [stderr]    Compiling rusty-variation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `"docker" "inspect" "8e7a7a1c57c7d9625f6124a42496b20e2e810ce0b3548fcb8cc03137e5efae27"`
[INFO] running `"docker" "rm" "-f" "8e7a7a1c57c7d9625f6124a42496b20e2e810ce0b3548fcb8cc03137e5efae27"`
[INFO] [stdout] 8e7a7a1c57c7d9625f6124a42496b20e2e810ce0b3548fcb8cc03137e5efae27
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/rusty-variation/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 4950b14779607467f8f95b20de44e70e8afab80cffa53649a3d8747075b08d6c
[INFO] running `"docker" "start" "-a" "4950b14779607467f8f95b20de44e70e8afab80cffa53649a3d8747075b08d6c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty_variation-97ca44364466b361
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stderr] thread '<unnamed>' panicked at 'receiving on a closed channel', src/lib.rs:391:33
[INFO] [stderr] thread '<unnamed>' panicked at 'receiving on a closed channel', src/lib.rs:333:33
[INFO] [stdout] test tests::ping_works ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'receiving on a closed channel', src/lib.rs:373:34
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test tests::nice_calc_works ... ok
[INFO] [stdout] test tests::cancel_recv_works ... ok
[INFO] [stdout] test tests::simple_calc_works ... ok
[INFO] [stdout] test tests::recursion_works ... ok
[INFO] [stderr]    0:     0x559567ef5593 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb587d2734f1dc7c5
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x559567ef12cb - std::sys_common::backtrace::_print::he39717f7cfbd122d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x559567ef41f6 - std::panicking::default_hook::{{closure}}::hb7f1ae5149814e5e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x559567ef3f74 - std::panicking::default_hook::hc2b73d8ffc772b35
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x559567ef4900 - std::panicking::rust_panic_with_hook::h625072734a147d22
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x559567ef4481 - std::panicking::continue_panic_fmt::h3d3b66f689c3e04e
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]    6:     0x559567ef43ce - std::panicking::begin_panic_fmt::hc9320ccc48a296b3
[INFO] [stderr]                                at src/libstd/panicking.rs:340
[INFO] [stderr]    7:     0x559567e81156 - rusty_variation::tests::closure_works::{{closure}}::h8a3c90ed8931f752
[INFO] [stderr]                                at src/lib.rs:97
[INFO] [stderr]    8:     0x559567df997a - std::sys_common::backtrace::__rust_begin_short_backtrace::h9bc7f92bb5968bcb
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/sys_common/backtrace.rs:135
[INFO] [stderr]    9:     0x559567e6e14c - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::haa0913dc349a155f
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:469
[INFO] [stderr]   10:     0x559567e1c91c - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hbe510b301b8a8d7c
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:309
[INFO] [stderr]   11:     0x559567e166cf - std::panicking::try::do_call::hc39d28a63a495736
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:297
[INFO] [stderr]   12:     0x559567ef7b59 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   13:     0x559567e15d82 - std::panicking::try::h40948228393fe480
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276
[INFO] [stderr]   14:     0x559567e1d12c - std::panic::catch_unwind::hf2b18348cec0bd5d
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388
[INFO] [stderr]   15:     0x559567e6bf69 - std::thread::Builder::spawn_unchecked::{{closure}}::h06d170139f51b5de
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:468
[INFO] [stderr]   16:     0x559567e6e756 - <F as alloc::boxed::FnBox<A>>::call_box::h2312d0ee97481e0e
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734
[INFO] [stderr]   17:     0x559567ef727d - std::sys::unix::thread::Thread::new::thread_start::h60ff5f253b4125d5
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:744
[INFO] [stderr]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stderr]   18:     0x7fe00bc8f493 - start_thread
[INFO] [stderr]   19:     0x7fe00b7baace - __clone
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x559567ef5593 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb587d2734f1dc7c5
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x559567ef12cb - std::sys_common::backtrace::_print::he39717f7cfbd122d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x559567ef41f6 - std::panicking::default_hook::{{closure}}::hb7f1ae5149814e5e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x559567ef3f74 - std::panicking::default_hook::hc2b73d8ffc772b35
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x559567ef4900 - std::panicking::rust_panic_with_hook::h625072734a147d22
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x559567ef4481 - std::panicking::continue_panic_fmt::h3d3b66f689c3e04e
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]    6:     0x559567ef43ce - std::panicking::begin_panic_fmt::hc9320ccc48a296b3
[INFO] [stderr]                                at src/libstd/panicking.rs:340
[INFO] [stderr]    7:     0x559567e7e676 - rusty_variation::tests::cancel_send_works::{{closure}}::h8521f66faa1f1bfe
[INFO] [stderr]                                at src/lib.rs:97
[INFO] [stderr]    8:     0x559567df989a - std::sys_common::backtrace::__rust_begin_short_backtrace::h0012a501464244b7
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/sys_common/backtrace.rs:135
[INFO] [stderr]    9:     0x559567e6e08c - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2714a4add61609bd
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:469
[INFO] [stderr]   10:     0x559567e1c82c - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4def0fce7ed4b559
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:309
[INFO] [stderr]   11:     0x559567e165df - std::panicking::try::do_call::h546c0e40422d840c
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:297
[INFO] [stderr]   12:     0x559567ef7b59 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   13:     0x559567e15ab2 - std::panicking::try::h017a34563479e779
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276
[INFO] [stderr]   14:     0x559567e1cfec - std::panic::catch_unwind::h53d2569dabe788bb
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388
[INFO] [stderr]   15:     0x559567e6c589 - std::thread::Builder::spawn_unchecked::{{closure}}::h0bf9021d27abd662
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:468
[INFO] [stderr]   16:     0x559567e6ea56 - <F as alloc::boxed::FnBox<A>>::call_box::hcf7999311c9b561c
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734
[INFO] [stderr]   17:     0x559567ef727d - std::sys::unix::thread::Thread::new::thread_start::h60ff5f253b4125d5
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:744
[INFO] [stderr]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stderr]   18:     0x7fe00bc8f493 - start_thread
[INFO] [stderr]   19:     0x7fe00b7baace - __clone
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stdout] test tests::closure_works ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x559567ef5593 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb587d2734f1dc7c5
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x559567ef12cb - std::sys_common::backtrace::_print::he39717f7cfbd122d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x559567ef41f6 - std::panicking::default_hook::{{closure}}::hb7f1ae5149814e5e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x559567ef3f74 - std::panicking::default_hook::hc2b73d8ffc772b35
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x559567ef4900 - std::panicking::rust_panic_with_hook::h625072734a147d22
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x559567ef4481 - std::panicking::continue_panic_fmt::h3d3b66f689c3e04e
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]    6:     0x559567ef43ce - std::panicking::begin_panic_fmt::hc9320ccc48a296b3
[INFO] [stderr]                                at src/libstd/panicking.rs:340
[INFO] [stderr]    7:     0x559567e80696 - rusty_variation::tests::delegation_works::{{closure}}::he744e05d506c6635
[INFO] [stderr]                                at src/lib.rs:97
[INFO] [stderr]    8:     0x559567df999a - std::sys_common::backtrace::__rust_begin_short_backtrace::ha0b12af4502a3098
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/sys_common/backtrace.rs:135
[INFO] [stderr]    9:     0x559567e6dffc - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h0483a6385dc02c66
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:469
[INFO] [stderr]   10:     0x559567e1c9dc - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf07b331ec5e85164
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:309
[INFO] [stderr]   11:     0x559567e167bf - std::panicking::try::do_call::hea8888eed4e9afcd
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:297
[INFO] [stderr]   12:     0x559567ef7b59 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   13:     0x559567e16142 - std::panicking::try::hb1908e0337b891d5
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276
[INFO] [stderr]   14:     0x559567e1cf2c - std::panic::catch_unwind::h27c7f0ddfa6af90b
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388
[INFO] [stderr]   15:     0x559567e6d7e9 - std::thread::Builder::spawn_unchecked::{{closure}}::hbb045782ab01b26d
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:468
[INFO] [stderr]   16:     0x559567e6e876 - <F as alloc::boxed::FnBox<A>>::call_box::h795d2990d55ae694
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734
[INFO] [stderr]   17:     0x559567ef727d - std::sys::unix::thread::Thread::new::thread_start::h60ff5f253b4125d5
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:744
[INFO] [stderr]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stderr]   18:     0x7fe00bc8f493 - start_thread
[INFO] [stderr]   19:     0x7fe00b7baace - __clone
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr]    Doc-tests rusty-variation
[INFO] [stdout] test tests::cancel_send_works ... ok
[INFO] [stdout] test tests::delegation_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4950b14779607467f8f95b20de44e70e8afab80cffa53649a3d8747075b08d6c"`
[INFO] running `"docker" "rm" "-f" "4950b14779607467f8f95b20de44e70e8afab80cffa53649a3d8747075b08d6c"`
[INFO] [stdout] 4950b14779607467f8f95b20de44e70e8afab80cffa53649a3d8747075b08d6c