[INFO] cloning repository https://github.com/w0rdsm1th/advent_of_code_2020_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/w0rdsm1th/advent_of_code_2020_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw0rdsm1th%2Fadvent_of_code_2020_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw0rdsm1th%2Fadvent_of_code_2020_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9aab1e3a7cd72afde582b8f7fe961ae7481439a
[INFO] testing w0rdsm1th/advent_of_code_2020_rust against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw0rdsm1th%2Fadvent_of_code_2020_rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/w0rdsm1th/advent_of_code_2020_rust on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/w0rdsm1th/advent_of_code_2020_rust
[INFO] finished tweaking git repo https://github.com/w0rdsm1th/advent_of_code_2020_rust
[INFO] tweaked toml for git repo https://github.com/w0rdsm1th/advent_of_code_2020_rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/w0rdsm1th/advent_of_code_2020_rust 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abd800c56ec5ed347a1ee8fba3a5c89c9ee955858645f3e82e0ba7fdbd81a4d6
[INFO] running `Command { std: "docker" "start" "-a" "abd800c56ec5ed347a1ee8fba3a5c89c9ee955858645f3e82e0ba7fdbd81a4d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abd800c56ec5ed347a1ee8fba3a5c89c9ee955858645f3e82e0ba7fdbd81a4d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd800c56ec5ed347a1ee8fba3a5c89c9ee955858645f3e82e0ba7fdbd81a4d6", kill_on_drop: false }`
[INFO] [stdout] abd800c56ec5ed347a1ee8fba3a5c89c9ee955858645f3e82e0ba7fdbd81a4d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34167c00aca177f5124e64cb4734bc806241ebd7375e53c464d55c881b3c332e
[INFO] running `Command { std: "docker" "start" "-a" "34167c00aca177f5124e64cb4734bc806241ebd7375e53c464d55c881b3c332e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling advent_of_code_2020_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `current_dir` is never used
[INFO] [stdout]   --> src/utils.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn current_dir() -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]   --> src/day8.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn part1(inp: &str) -> i32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.95s
[INFO] running `Command { std: "docker" "inspect" "34167c00aca177f5124e64cb4734bc806241ebd7375e53c464d55c881b3c332e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34167c00aca177f5124e64cb4734bc806241ebd7375e53c464d55c881b3c332e", kill_on_drop: false }`
[INFO] [stdout] 34167c00aca177f5124e64cb4734bc806241ebd7375e53c464d55c881b3c332e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3da13ca10d04665cc29c8b550c3ba38bb24ced0de0ad01bd94edf79a9830a2be
[INFO] running `Command { std: "docker" "start" "-a" "3da13ca10d04665cc29c8b550c3ba38bb24ced0de0ad01bd94edf79a9830a2be", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code_2020_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/utils.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         current_dir();
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = current_dir();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "3da13ca10d04665cc29c8b550c3ba38bb24ced0de0ad01bd94edf79a9830a2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da13ca10d04665cc29c8b550c3ba38bb24ced0de0ad01bd94edf79a9830a2be", kill_on_drop: false }`
[INFO] [stdout] 3da13ca10d04665cc29c8b550c3ba38bb24ced0de0ad01bd94edf79a9830a2be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b6125bc4b5536accdd79d149f10d942e2706aa5ffc1fae14e811f2e79184f71
[INFO] running `Command { std: "docker" "start" "-a" "4b6125bc4b5536accdd79d149f10d942e2706aa5ffc1fae14e811f2e79184f71", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/utils.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         current_dir();
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let _ = current_dir();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code_2020_rust` (bin "advent_of_code_2020_rust" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/advent_of_code_2020_rust-13fc9921326963c7)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test day8::tests::test_part1 ... ok
[INFO] [stdout] test day8::tests::test_part2 ... ok
[INFO] [stdout] test utils::tests::test_current_dir ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin advent_of_code_2020_rust`
[INFO] [stdout] test utils::tests::test_input_reader ... FAILED
[INFO] [stdout] test utils::tests::test_understanding ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- utils::tests::test_input_reader stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'utils::tests::test_input_reader' panicked at src/utils.rs:26:10:
[INFO] [stdout] Something went wrong reading the file: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x607d47e05452 - std::backtrace_rs::backtrace::libunwind::trace::h2a54ddf40adf8cf8
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x607d47e05452 - std::backtrace_rs::backtrace::trace_unsynchronized::h332dec2b3594a10b
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x607d47e05452 - std::sys::backtrace::_print_fmt::hcb3dee91dccac105
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x607d47e05452 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h2f02338d4ae6d8b0
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x607d47e29313 - core::fmt::rt::Argument::fmt::h8705d664b1839d6c
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x607d47e29313 - core::fmt::write::h5e77c22335cabc7f
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/fmt/mod.rs:1446:25
[INFO] [stdout]    6:     0x607d47e02193 - std::io::default_write_fmt::h5c16109ce8878b06
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x607d47e02193 - std::io::Write::write_fmt::h183cd11c08a12e04
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/io/mod.rs:1914:13
[INFO] [stdout]    8:     0x607d47e052a2 - std::sys::backtrace::BacktraceLock::print::hb22254026b13323e
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x607d47e069dc - std::panicking::default_hook::{{closure}}::h15ac4e3ee7801be5
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:300:22
[INFO] [stdout]   10:     0x607d47e06832 - std::panicking::default_hook::h15db2a3343942a16
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x607d47dcf6b4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha02114eecd5b8f69
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/alloc/src/boxed.rs:1980:9
[INFO] [stdout]   12:     0x607d47dcf6b4 - test::test_main_with_exit_callback::{{closure}}::hfb76c9b760818eb2
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x607d47e074d3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h325134fa51136753
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/alloc/src/boxed.rs:1980:9
[INFO] [stdout]   14:     0x607d47e074d3 - std::panicking::rust_panic_with_hook::h67f3fa85499b6cf9
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x607d47e0718a - std::panicking::begin_panic_handler::{{closure}}::h40a30e994b26720e
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x607d47e05959 - std::sys::backtrace::__rust_end_short_backtrace::hb5bcb2f6ea295c8b
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x607d47e06e1d - __rustc[bf3627c2b8b7eae9]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x607d47e27e50 - core::panicking::panic_fmt::h20722ae9d0312a90
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x607d47e281e6 - core::result::unwrap_failed::h3a549f59308089dd
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/result.rs:1732:5
[INFO] [stdout]   20:     0x607d47d880dc - core::result::Result<T,E>::expect::ha39f3b1e52da9dba
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/result.rs:1089:23
[INFO] [stdout]   21:     0x607d47d92293 - advent_of_code_2020_rust::utils::input_reader::h302dab2228c5daf0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils.rs:25:20
[INFO] [stdout]   22:     0x607d47d923c1 - advent_of_code_2020_rust::utils::tests::test_input_reader::hcd13c42939495fa1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils.rs:45:9
[INFO] [stdout]   23:     0x607d47d92397 - advent_of_code_2020_rust::utils::tests::test_input_reader::{{closure}}::hb8904e4efea4dfaa
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils.rs:44:27
[INFO] [stdout]   24:     0x607d47d8f176 - core::ops::function::FnOnce::call_once::hb59af6f674269e59
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x607d47dd4e6b - core::ops::function::FnOnce::call_once::h57f6f31c364c320b
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x607d47dd4e6b - test::__rust_begin_short_backtrace::h517520f4c2bfc013
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:648:18
[INFO] [stdout]   27:     0x607d47dd40c2 - test::run_test_in_process::{{closure}}::h0914ac5f2719bf90
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:671:60
[INFO] [stdout]   28:     0x607d47dd40c2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h6fe627a8560ee122
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x607d47dd40c2 - std::panicking::try::do_call::h8e4a522b2d07b5d9
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x607d47dd40c2 - std::panicking::try::h254b443d279d1f8a
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x607d47dd40c2 - std::panic::catch_unwind::he39107e495b94aed
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x607d47dd40c2 - test::run_test_in_process::hb9053e7102e6de40
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:671:27
[INFO] [stdout]   33:     0x607d47dd40c2 - test::run_test::{{closure}}::hed53f683e9967fc9
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:592:43
[INFO] [stdout]   34:     0x607d47d974b4 - test::run_test::{{closure}}::h1b1395a97621c24c
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:622:41
[INFO] [stdout]   35:     0x607d47d974b4 - std::sys::backtrace::__rust_begin_short_backtrace::hd15d7342920b94e4
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   36:     0x607d47d9aeda - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf7d3403d2a997ad4
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x607d47d9aeda - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h804cb151403aed57
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x607d47d9aeda - std::panicking::try::do_call::h83a3328114f83651
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:589:40
[INFO] [stdout]   39:     0x607d47d9aeda - std::panicking::try::h5371451a86d476d0
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:552:19
[INFO] [stdout]   40:     0x607d47d9aeda - std::panic::catch_unwind::h2d1b89e7535ca74a
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x607d47d9aeda - std::thread::Builder::spawn_unchecked_::{{closure}}::h169c242c7f876b92
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x607d47d9aeda - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4115e0f997976371
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x607d47e08d7b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbc3fa83432d7fd73
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/alloc/src/boxed.rs:1966:9
[INFO] [stdout]   44:     0x607d47e08d7b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::heba5519d10f2c030
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/alloc/src/boxed.rs:1966:9
[INFO] [stdout]   45:     0x607d47e08d7b - std::sys::pal::unix::thread::Thread::new::thread_start::h211a36f354245501
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   46:     0x71ef9f373aa4 - <unknown>
[INFO] [stdout]   47:     0x71ef9f400a34 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- utils::tests::test_understanding stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'utils::tests::test_understanding' panicked at src/utils.rs:54:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: ["lion::tiger::leopard"]
[INFO] [stdout]  right: ["lion", "tiger", "leopard"]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x607d47e05452 - std::backtrace_rs::backtrace::libunwind::trace::h2a54ddf40adf8cf8
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x607d47e05452 - std::backtrace_rs::backtrace::trace_unsynchronized::h332dec2b3594a10b
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x607d47e05452 - std::sys::backtrace::_print_fmt::hcb3dee91dccac105
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x607d47e05452 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h2f02338d4ae6d8b0
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x607d47e29313 - core::fmt::rt::Argument::fmt::h8705d664b1839d6c
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x607d47e29313 - core::fmt::write::h5e77c22335cabc7f
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/fmt/mod.rs:1446:25
[INFO] [stdout]    6:     0x607d47e02193 - std::io::default_write_fmt::h5c16109ce8878b06
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x607d47e02193 - std::io::Write::write_fmt::h183cd11c08a12e04
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/io/mod.rs:1914:13
[INFO] [stdout]    8:     0x607d47e052a2 - std::sys::backtrace::BacktraceLock::print::hb22254026b13323e
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x607d47e069dc - std::panicking::default_hook::{{closure}}::h15ac4e3ee7801be5
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:300:22
[INFO] [stdout]   10:     0x607d47e06832 - std::panicking::default_hook::h15db2a3343942a16
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x607d47dcf6b4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha02114eecd5b8f69
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/alloc/src/boxed.rs:1980:9
[INFO] [stdout]   12:     0x607d47dcf6b4 - test::test_main_with_exit_callback::{{closure}}::hfb76c9b760818eb2
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x607d47e074d3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h325134fa51136753
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/alloc/src/boxed.rs:1980:9
[INFO] [stdout]   14:     0x607d47e074d3 - std::panicking::rust_panic_with_hook::h67f3fa85499b6cf9
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x607d47e0718a - std::panicking::begin_panic_handler::{{closure}}::h40a30e994b26720e
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x607d47e05959 - std::sys::backtrace::__rust_end_short_backtrace::hb5bcb2f6ea295c8b
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x607d47e06e1d - __rustc[bf3627c2b8b7eae9]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x607d47e27e50 - core::panicking::panic_fmt::h20722ae9d0312a90
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x607d47e280d7 - core::panicking::assert_failed_inner::h631f6be8bf4a7da9
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/panicking.rs:432:17
[INFO] [stdout]   20:     0x607d47d8c177 - core::panicking::assert_failed::he6f4f2e53bae82d6
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/panicking.rs:387:5
[INFO] [stdout]   21:     0x607d47d924d0 - advent_of_code_2020_rust::utils::tests::test_understanding::h37dceb56c58b0d12
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils.rs:54:9
[INFO] [stdout]   22:     0x607d47d923e7 - advent_of_code_2020_rust::utils::tests::test_understanding::{{closure}}::hb4d5e78c51f641d9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils.rs:49:28
[INFO] [stdout]   23:     0x607d47d8f0f6 - core::ops::function::FnOnce::call_once::h914f42501c1b45b5
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x607d47dd4e6b - core::ops::function::FnOnce::call_once::h57f6f31c364c320b
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x607d47dd4e6b - test::__rust_begin_short_backtrace::h517520f4c2bfc013
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x607d47dd40c2 - test::run_test_in_process::{{closure}}::h0914ac5f2719bf90
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:671:60
[INFO] [stdout]   27:     0x607d47dd40c2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h6fe627a8560ee122
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x607d47dd40c2 - std::panicking::try::do_call::h8e4a522b2d07b5d9
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x607d47dd40c2 - std::panicking::try::h254b443d279d1f8a
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x607d47dd40c2 - std::panic::catch_unwind::he39107e495b94aed
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x607d47dd40c2 - test::run_test_in_process::hb9053e7102e6de40
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x607d47dd40c2 - test::run_test::{{closure}}::hed53f683e9967fc9
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x607d47d974b4 - test::run_test::{{closure}}::h1b1395a97621c24c
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x607d47d974b4 - std::sys::backtrace::__rust_begin_short_backtrace::hd15d7342920b94e4
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x607d47d9aeda - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf7d3403d2a997ad4
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x607d47d9aeda - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h804cb151403aed57
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x607d47d9aeda - std::panicking::try::do_call::h83a3328114f83651
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x607d47d9aeda - std::panicking::try::h5371451a86d476d0
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x607d47d9aeda - std::panic::catch_unwind::h2d1b89e7535ca74a
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x607d47d9aeda - std::thread::Builder::spawn_unchecked_::{{closure}}::h169c242c7f876b92
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x607d47d9aeda - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4115e0f997976371
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x607d47e08d7b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbc3fa83432d7fd73
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/alloc/src/boxed.rs:1966:9
[INFO] [stdout]   43:     0x607d47e08d7b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::heba5519d10f2c030
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/alloc/src/boxed.rs:1966:9
[INFO] [stdout]   44:     0x607d47e08d7b - std::sys::pal::unix::thread::Thread::new::thread_start::h211a36f354245501
[INFO] [stdout]                                at /rustc/414482f6a0d4e7290f614300581a0b55442552a3/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x71ef9f373aa4 - <unknown>
[INFO] [stdout]   46:     0x71ef9f400a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     utils::tests::test_input_reader
[INFO] [stdout]     utils::tests::test_understanding
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4b6125bc4b5536accdd79d149f10d942e2706aa5ffc1fae14e811f2e79184f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b6125bc4b5536accdd79d149f10d942e2706aa5ffc1fae14e811f2e79184f71", kill_on_drop: false }`
[INFO] [stdout] 4b6125bc4b5536accdd79d149f10d942e2706aa5ffc1fae14e811f2e79184f71