[INFO] cloning repository https://github.com/flexyuan/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flexyuan/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflexyuan%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflexyuan%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7785717a47ad3c72b75c64459164a9c7b7664dc
[INFO] testing flexyuan/mandelbrot against try#6c5b2f071bf9fe3a4b05942f31d42d076171aa61 for pr-115315-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflexyuan%2Fmandelbrot" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flexyuan/mandelbrot on toolchain 6c5b2f071bf9fe3a4b05942f31d42d076171aa61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6c5b2f071bf9fe3a4b05942f31d42d076171aa61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flexyuan/mandelbrot
[INFO] finished tweaking git repo https://github.com/flexyuan/mandelbrot
[INFO] tweaked toml for git repo https://github.com/flexyuan/mandelbrot written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/flexyuan/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6c5b2f071bf9fe3a4b05942f31d42d076171aa61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f5e78b491441a5b9644e276a59809eedfadf4ee1de96655588122b3a64cb522c" "/opt/rustwide/cargo-home/bin/cargo" "+6c5b2f071bf9fe3a4b05942f31d42d076171aa61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5bf72fcb24e51779bc8510d44df978e3e644530a9960a14976b8d181dc45e31
[INFO] running `Command { std: "docker" "start" "-a" "f5bf72fcb24e51779bc8510d44df978e3e644530a9960a14976b8d181dc45e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5bf72fcb24e51779bc8510d44df978e3e644530a9960a14976b8d181dc45e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5bf72fcb24e51779bc8510d44df978e3e644530a9960a14976b8d181dc45e31", kill_on_drop: false }`
[INFO] [stdout] f5bf72fcb24e51779bc8510d44df978e3e644530a9960a14976b8d181dc45e31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f5e78b491441a5b9644e276a59809eedfadf4ee1de96655588122b3a64cb522c" "/opt/rustwide/cargo-home/bin/cargo" "+6c5b2f071bf9fe3a4b05942f31d42d076171aa61" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48543be95d4f7f4e8267718f5cf0e7dbeb5c529045ae8d3ce5e154590f3ed3c2
[INFO] running `Command { std: "docker" "start" "-a" "48543be95d4f7f4e8267718f5cf0e7dbeb5c529045ae8d3ce5e154590f3ed3c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling png v0.17.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling crossbeam v0.8.2
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.66s
[INFO] running `Command { std: "docker" "inspect" "48543be95d4f7f4e8267718f5cf0e7dbeb5c529045ae8d3ce5e154590f3ed3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48543be95d4f7f4e8267718f5cf0e7dbeb5c529045ae8d3ce5e154590f3ed3c2", kill_on_drop: false }`
[INFO] [stdout] 48543be95d4f7f4e8267718f5cf0e7dbeb5c529045ae8d3ce5e154590f3ed3c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f5e78b491441a5b9644e276a59809eedfadf4ee1de96655588122b3a64cb522c" "/opt/rustwide/cargo-home/bin/cargo" "+6c5b2f071bf9fe3a4b05942f31d42d076171aa61" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0479cc176d61f6ac2b5d50d0ebc66e391c8e094e2e78c6a0506ddc045a212a02
[INFO] running `Command { std: "docker" "start" "-a" "0479cc176d61f6ac2b5d50d0ebc66e391c8e094e2e78c6a0506ddc045a212a02", kill_on_drop: false }`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "0479cc176d61f6ac2b5d50d0ebc66e391c8e094e2e78c6a0506ddc045a212a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0479cc176d61f6ac2b5d50d0ebc66e391c8e094e2e78c6a0506ddc045a212a02", kill_on_drop: false }`
[INFO] [stdout] 0479cc176d61f6ac2b5d50d0ebc66e391c8e094e2e78c6a0506ddc045a212a02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f5e78b491441a5b9644e276a59809eedfadf4ee1de96655588122b3a64cb522c" "/opt/rustwide/cargo-home/bin/cargo" "+6c5b2f071bf9fe3a4b05942f31d42d076171aa61" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6611d20c03476ee6c92fcb19a88de4e77908df5061e4bd281fa90a2719b7165e
[INFO] running `Command { std: "docker" "start" "-a" "6611d20c03476ee6c92fcb19a88de4e77908df5061e4bd281fa90a2719b7165e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mandelbrot-9b3fd6c14b7ef52f)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_parse_pair ... ok
[INFO] [stdout] test test_pixel_to_point ... ok
[INFO] [stdout] test test_parse_complex ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin mandelbrot`
[INFO] [stdout] test test_write_to_file ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_write_to_file stdout ----
[INFO] [stdout] thread 'test_write_to_file' panicked at src/main.rs:114:39:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f4c18d8eac - std::backtrace_rs::backtrace::libunwind::trace::hfd00f9ce926285a2
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x55f4c18d8eac - std::backtrace_rs::backtrace::trace_unsynchronized::h3aed0bb147a36095
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55f4c18d8eac - std::sys_common::backtrace::_print_fmt::hf3f758c78c5049cf
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55f4c18d8eac - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb5024c29fe24604
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55f4c19041cc - core::fmt::rt::Argument::fmt::h3a4e0c14eb89477f
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/core/src/fmt/rt.rs:138:9
[INFO] [stdout]    5:     0x55f4c19041cc - core::fmt::write::hb6f9003acf7c0795
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/core/src/fmt/mod.rs:1094:21
[INFO] [stdout]    6:     0x55f4c18d5f4e - std::io::Write::write_fmt::hbb984edefd24da97
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/io/mod.rs:1714:15
[INFO] [stdout]    7:     0x55f4c18d8c94 - std::sys_common::backtrace::_print::h6c53e39175e9b07a
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55f4c18d8c94 - std::sys_common::backtrace::print::hdd203385357a5653
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55f4c18dac6a - std::panicking::panic_hook_with_disk_dump::{{closure}}::h2cbd71409e8b4b25
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/panicking.rs:280:22
[INFO] [stdout]   10:     0x55f4c18da82d - std::panicking::panic_hook_with_disk_dump::hcafa042b13616bb2
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/panicking.rs:311:9
[INFO] [stdout]   11:     0x55f4c187042c - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4495e8b5e297db7b
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x55f4c187042c - test::test_main::{{closure}}::h107e0a5fcfae9015
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/test/src/lib.rs:136:21
[INFO] [stdout]   13:     0x55f4c18db403 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h197eab1dc9f608f9
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x55f4c18db403 - std::panicking::rust_panic_with_hook::hb33c811d299cdd2f
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/panicking.rs:757:13
[INFO] [stdout]   15:     0x55f4c18db171 - std::panicking::begin_panic_handler::{{closure}}::h86f36d5a279aa4da
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/panicking.rs:631:13
[INFO] [stdout]   16:     0x55f4c18d93d6 - std::sys_common::backtrace::__rust_end_short_backtrace::h55a61bd9f2207c93
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x55f4c18daeb2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/panicking.rs:619:5
[INFO] [stdout]   18:     0x55f4c1831945 - core::panicking::panic_fmt::h8d4fdc73eebf4214
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55f4c1831e7a - core::result::unwrap_failed::h0bd01b82c178f52d
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/core/src/result.rs:1652:5
[INFO] [stdout]   20:     0x55f4c1837e8b - core::result::Result<T,E>::unwrap::h9ef82b13995576ce
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55f4c183b332 - mandelbrot::write_image::hec091518b64d9d1e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:114:16
[INFO] [stdout]   22:     0x55f4c183c113 - mandelbrot::test_write_to_file::hf1320e50611553b2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:133:5
[INFO] [stdout]   23:     0x55f4c183bf27 - mandelbrot::test_write_to_file::{{closure}}::h128c8f1e2d25a64c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:124:25
[INFO] [stdout]   24:     0x55f4c1836dc6 - core::ops::function::FnOnce::call_once::h895463084dc039fb
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55f4c18754ef - core::ops::function::FnOnce::call_once::h2ff26e9ba59488fb
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x55f4c18754ef - test::__rust_begin_short_backtrace::h6091627a37bc7492
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/test/src/lib.rs:626:18
[INFO] [stdout]   27:     0x55f4c187454e - test::run_test_in_process::{{closure}}::h1fa321f2e2654dc6
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/test/src/lib.rs:649:60
[INFO] [stdout]   28:     0x55f4c187454e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc0f2eb10ca004d1f
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   29:     0x55f4c187454e - std::panicking::try::do_call::h76790ce48aeb9e9f
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/panicking.rs:526:40
[INFO] [stdout]   30:     0x55f4c187454e - std::panicking::try::h6d57bd8edda059cf
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/panicking.rs:490:19
[INFO] [stdout]   31:     0x55f4c187454e - std::panic::catch_unwind::hbd4704b47155920f
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x55f4c187454e - test::run_test_in_process::h2b28b184edce2a86
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/test/src/lib.rs:649:27
[INFO] [stdout]   33:     0x55f4c187454e - test::run_test::{{closure}}::h476b5bb511b3d12c
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/test/src/lib.rs:572:43
[INFO] [stdout]   34:     0x55f4c183ccd3 - test::run_test::{{closure}}::h2bb0f5d2471c45a4
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/test/src/lib.rs:600:41
[INFO] [stdout]   35:     0x55f4c183ccd3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h35c85d07dced2aaa
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   36:     0x55f4c1841edb - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h35429ec76dbc1355
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   37:     0x55f4c1841edb - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdf07407df9b1381a
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   38:     0x55f4c1841edb - std::panicking::try::do_call::h49b322add02b8625
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/panicking.rs:526:40
[INFO] [stdout]   39:     0x55f4c1841edb - std::panicking::try::hd8b399b683797d7f
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/panicking.rs:490:19
[INFO] [stdout]   40:     0x55f4c1841edb - std::panic::catch_unwind::he6e5371f5e15ed1f
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/panic.rs:142:14
[INFO] [stdout]   41:     0x55f4c1841edb - std::thread::Builder::spawn_unchecked_::{{closure}}::h72fa03d7b427e994
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   42:     0x55f4c1841edb - core::ops::function::FnOnce::call_once{{vtable.shim}}::h33f0f977a916df2d
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x55f4c18dfab5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h23a2d33c7d72aa48
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x55f4c18dfab5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6515c48eb14c7e51
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   45:     0x55f4c18dfab5 - std::sys::unix::thread::Thread::new::thread_start::h89f0e60d21bba881
[INFO] [stdout]                                at /rustc/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7fdace543b43 - <unknown>
[INFO] [stdout]   47:     0x7fdace5d4bb4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_write_to_file
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6611d20c03476ee6c92fcb19a88de4e77908df5061e4bd281fa90a2719b7165e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6611d20c03476ee6c92fcb19a88de4e77908df5061e4bd281fa90a2719b7165e", kill_on_drop: false }`
[INFO] [stdout] 6611d20c03476ee6c92fcb19a88de4e77908df5061e4bd281fa90a2719b7165e