[INFO] fetching crate serial_enumerate 0.1.0...
[INFO] testing serial_enumerate-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate serial_enumerate 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate serial_enumerate 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serial_enumerate 0.1.0
[INFO] finished tweaking crates.io crate serial_enumerate 0.1.0
[INFO] tweaked toml for crates.io crate serial_enumerate 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winreg v0.4.0
[INFO] [stderr]   Downloaded advapi32-sys v0.2.0
[INFO] [stderr]   Downloaded ktmw32-sys v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2acf3ced7b828515c551ba6e4330fce980abc9bd20171c131ab0e21d7a0af0bd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2acf3ced7b828515c551ba6e4330fce980abc9bd20171c131ab0e21d7a0af0bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2acf3ced7b828515c551ba6e4330fce980abc9bd20171c131ab0e21d7a0af0bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2acf3ced7b828515c551ba6e4330fce980abc9bd20171c131ab0e21d7a0af0bd", kill_on_drop: false }`
[INFO] [stdout] 2acf3ced7b828515c551ba6e4330fce980abc9bd20171c131ab0e21d7a0af0bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 925fb3d1aef1e7f49c2c4a2ad44f3870094d3a449d0be02302f83ce6c6150d0d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "925fb3d1aef1e7f49c2c4a2ad44f3870094d3a449d0be02302f83ce6c6150d0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling error-chain v0.5.0
[INFO] [stderr]    Compiling serial_enumerate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.60s
[INFO] running `Command { std: "docker" "inspect" "925fb3d1aef1e7f49c2c4a2ad44f3870094d3a449d0be02302f83ce6c6150d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925fb3d1aef1e7f49c2c4a2ad44f3870094d3a449d0be02302f83ce6c6150d0d", kill_on_drop: false }`
[INFO] [stdout] 925fb3d1aef1e7f49c2c4a2ad44f3870094d3a449d0be02302f83ce6c6150d0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1f0657efebc4223d25465e5596d295acd628d3e1a14438bd9ccedd52129e21a
[INFO] running `Command { std: "docker" "start" "-a" "c1f0657efebc4223d25465e5596d295acd628d3e1a14438bd9ccedd52129e21a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial_enumerate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "c1f0657efebc4223d25465e5596d295acd628d3e1a14438bd9ccedd52129e21a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f0657efebc4223d25465e5596d295acd628d3e1a14438bd9ccedd52129e21a", kill_on_drop: false }`
[INFO] [stdout] c1f0657efebc4223d25465e5596d295acd628d3e1a14438bd9ccedd52129e21a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 148e1afcbfc39ec583e03c1248d7569bb006a208e93f6de63b2f0696c516c3a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "148e1afcbfc39ec583e03c1248d7569bb006a208e93f6de63b2f0696c516c3a2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serial_enumerate-2197cb1eeeb2c429)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serial_enumerate
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 4) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("/dev/serial not found"), (Some(Os { code: 2, kind: NotFound, message: "No such file or directory" }), Some(stack backtrace:
[INFO] [stdout]    0:     0x55e7fa45a2fd - backtrace::backtrace::libunwind::trace::h55e5ebc0e24e54d1
[INFO] [stdout]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/backtrace/libunwind.rs:54
[INFO] [stdout]                          - backtrace::backtrace::trace::h861a15e9063c8fcc
[INFO] [stdout]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/backtrace/mod.rs:70
[INFO] [stdout]    1:     0x55e7fa45c27f - backtrace::capture::Backtrace::new::hd973ab4c75cda894
[INFO] [stdout]                         at /opt/rustwide/target/debug/build/backtrace-47093f9aeb9a4189/out/capture.rs:79
[INFO] [stdout]    2:     0x55e7fa45469d - error_chain::make_backtrace::hb8bc50a8cb3a9965
[INFO] [stdout]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.5.0/src/lib.rs:684
[INFO] [stdout]    3:     0x55e7fa44f839 - <core::result::Result<T,E> as serial_enumerate::errors::ChainErr<T>>::chain_err::{{closure}}::{{closure}}::hd5334404ade3a88a
[INFO] [stdout]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.5.0/src/lib.rs:504
[INFO] [stdout]    4:     0x55e7fa454001 - core::option::Option<T>::unwrap_or_else::h1e4a7139158ee60b
[INFO] [stdout]                         at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/option.rs:763
[INFO] [stdout]    5:     0x55e7fa44f9bb - <core::result::Result<T,E> as serial_enumerate::errors::ChainErr<T>>::chain_err::{{closure}}::h42fb508f758656f3
[INFO] [stdout]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.5.0/src/lib.rs:503
[INFO] [stdout]    6:     0x55e7fa45104c - core::result::Result<T,E>::map_err::h58a7c24977c8f5c0
[INFO] [stdout]                         at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:835
[INFO] [stdout]    7:     0x55e7fa451550 - <core::result::Result<T,E> as serial_enumerate::errors::ChainErr<T>>::chain_err::ha8cb65293b085148
[INFO] [stdout]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.5.0/src/lib.rs:500
[INFO] [stdout]    8:     0x55e7fa44e6e6 - serial_enumerate::enumerate_serial_ports::hafd9b0bc0452665b
[INFO] [stdout]                         at src/lib.rs:46
[INFO] [stdout]    9:     0x55e7fa44d8b9 - rust_out::main::_doctest_main_src_lib_rs_4_0::hf3f009d58962d821
[INFO] [stdout]   10:     0x55e7fa44d895 - rust_out::main::h61823b600df25383
[INFO] [stdout]   11:     0x55e7fa44ce82 - core::ops::function::FnOnce::call_once::h3d07824a44777914
[INFO] [stdout]   12:     0x55e7fa44cba8 - std::sys_common::backtrace::__rust_begin_short_backtrace::h1ee1ba859d3174aa
[INFO] [stdout]   13:     0x55e7fa44cc28 - std::rt::lang_start::{{closure}}::hee9719d6b6efb7fa
[INFO] [stdout]   14:     0x55e7fa4982b9 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha88a7d1a4d24e549
[INFO] [stdout]                         at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:259
[INFO] [stdout]                          - std::panicking::try::do_call::hd3b1d7740607ccc7
[INFO] [stdout]                         at library/std/src/panicking.rs:401
[INFO] [stdout]                          - std::panicking::try::h0ee8c65ac7461507
[INFO] [stdout]                         at library/std/src/panicking.rs:365
[INFO] [stdout]                          - std::panic::catch_unwind::head47f0de4ccd838
[INFO] [stdout]                         at library/std/src/panic.rs:434
[INFO] [stdout]                          - std::rt::lang_start_internal::{{closure}}::hbc7de8ec820ac085
[INFO] [stdout]                         at library/std/src/rt.rs:45
[INFO] [stdout]                          - std::panicking::try::do_call::h2609e52e8bad4a7b
[INFO] [stdout]                         at library/std/src/panicking.rs:401
[INFO] [stdout]                          - std::panicking::try::hd0929f0b603e0389
[INFO] [stdout]                         at library/std/src/panicking.rs:365
[INFO] [stdout]                          - std::panic::catch_unwind::h27902b81c3e47571
[INFO] [stdout]                         at library/std/src/panic.rs:434
[INFO] [stdout]                          - std::rt::lang_start_internal::h3fb2d794dd391e3e
[INFO] [stdout]                         at library/std/src/rt.rs:45
[INFO] [stdout]   15:     0x55e7fa44cc00 - std::rt::lang_start::h0745d281d96e0cdb
[INFO] [stdout]   16:     0x55e7fa44db32 - main
[INFO] [stdout]   17:     0x7ff940cc30b2 - __libc_start_main
[INFO] [stdout]   18:     0x55e7fa44c7fd - _start
[INFO] [stdout]   19:                0x0 - <unknown>)))', src/lib.rs:4:58
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55e7fa495850 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55e7fa495850 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55e7fa495850 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55e7fa495850 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55e7fa4afc2c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55e7fa493f75 - std::io::Write::write_fmt::hd42607e5d8e44db0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55e7fa4976eb - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55e7fa4976eb - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55e7fa4976eb - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55e7fa4971c1 - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x55e7fa497db4 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55e7fa497897 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55e7fa495d2c - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55e7fa4977f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55e7fa44c0a1 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55e7fa44c133 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1599:5
[INFO] [stdout]   16:     0x55e7fa44d1e6 - core::result::Result<T,E>::unwrap::h75a9b37925a443c2
[INFO] [stdout]   17:     0x55e7fa44d8d0 - rust_out::main::_doctest_main_src_lib_rs_4_0::hf3f009d58962d821
[INFO] [stdout]   18:     0x55e7fa44d896 - rust_out::main::h61823b600df25383
[INFO] [stdout]   19:     0x55e7fa44ce83 - core::ops::function::FnOnce::call_once::h3d07824a44777914
[INFO] [stdout]   20:     0x55e7fa44cba9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h1ee1ba859d3174aa
[INFO] [stdout]   21:     0x55e7fa44cc29 - std::rt::lang_start::{{closure}}::hee9719d6b6efb7fa
[INFO] [stdout]   22:     0x55e7fa4982ba - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha88a7d1a4d24e549
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:259:13
[INFO] [stdout]   23:     0x55e7fa4982ba - std::panicking::try::do_call::hd3b1d7740607ccc7
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   24:     0x55e7fa4982ba - std::panicking::try::h0ee8c65ac7461507
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   25:     0x55e7fa4982ba - std::panic::catch_unwind::head47f0de4ccd838
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   26:     0x55e7fa4982ba - std::rt::lang_start_internal::{{closure}}::hbc7de8ec820ac085
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:48
[INFO] [stdout]   27:     0x55e7fa4982ba - std::panicking::try::do_call::h2609e52e8bad4a7b
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   28:     0x55e7fa4982ba - std::panicking::try::hd0929f0b603e0389
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   29:     0x55e7fa4982ba - std::panic::catch_unwind::h27902b81c3e47571
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   30:     0x55e7fa4982ba - std::rt::lang_start_internal::h3fb2d794dd391e3e
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:20
[INFO] [stdout]   31:     0x55e7fa44cc01 - std::rt::lang_start::h0745d281d96e0cdb
[INFO] [stdout]   32:     0x55e7fa44db33 - main
[INFO] [stdout]   33:     0x7ff940cc30b3 - __libc_start_main
[INFO] [stdout]   34:     0x55e7fa44c7fe - _start
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 4)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "148e1afcbfc39ec583e03c1248d7569bb006a208e93f6de63b2f0696c516c3a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "148e1afcbfc39ec583e03c1248d7569bb006a208e93f6de63b2f0696c516c3a2", kill_on_drop: false }`
[INFO] [stdout] 148e1afcbfc39ec583e03c1248d7569bb006a208e93f6de63b2f0696c516c3a2
