[INFO] cloning repository https://github.com/charliemonnone/png-me
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charliemonnone/png-me" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharliemonnone%2Fpng-me", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharliemonnone%2Fpng-me'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a511da8d1a5e2f828a0f9028b0f4a5303b8319b3
[INFO] testing charliemonnone/png-me against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharliemonnone%2Fpng-me" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/charliemonnone/png-me
[INFO] finished tweaking git repo https://github.com/charliemonnone/png-me
[INFO] tweaked toml for git repo https://github.com/charliemonnone/png-me written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/charliemonnone/png-me on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/charliemonnone/png-me 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ae7e58e11f184b0d005543292684f8f1a758c47a0cc3fb6f42ef918abb8b4ba
[INFO] running `Command { std: "docker" "start" "-a" "6ae7e58e11f184b0d005543292684f8f1a758c47a0cc3fb6f42ef918abb8b4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ae7e58e11f184b0d005543292684f8f1a758c47a0cc3fb6f42ef918abb8b4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae7e58e11f184b0d005543292684f8f1a758c47a0cc3fb6f42ef918abb8b4ba", kill_on_drop: false }`
[INFO] [stdout] 6ae7e58e11f184b0d005543292684f8f1a758c47a0cc3fb6f42ef918abb8b4ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd13fa59899aa4b429fcc5c6b6267852af9336a0b0e4f7f2099af28e7183406c
[INFO] running `Command { std: "docker" "start" "-a" "bd13fa59899aa4b429fcc5c6b6267852af9336a0b0e4f7f2099af28e7183406c", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc-catalog v1.1.1
[INFO] [stderr]    Compiling crc v2.1.0
[INFO] [stderr]    Compiling png-me v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `U8_FIRST_BIT_MASK`, `is_valid`, `is_critical`, `is_public`, `is_reserved_bit_valid`, and `is_safe_to_copy` are never used
[INFO] [stdout]   --> src/chunk_type.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl ChunkType {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 45 |     const U8_FIRST_BIT_MASK: u8 = 0x1;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn is_critical(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn is_public(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn is_reserved_bit_valid(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn is_safe_to_copy(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "bd13fa59899aa4b429fcc5c6b6267852af9336a0b0e4f7f2099af28e7183406c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd13fa59899aa4b429fcc5c6b6267852af9336a0b0e4f7f2099af28e7183406c", kill_on_drop: false }`
[INFO] [stdout] bd13fa59899aa4b429fcc5c6b6267852af9336a0b0e4f7f2099af28e7183406c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f4c6d9a33b819bd36eeea4448fffe6282f0387c8f2d7d1e7fb6669621dc7f62
[INFO] running `Command { std: "docker" "start" "-a" "7f4c6d9a33b819bd36eeea4448fffe6282f0387c8f2d7d1e7fb6669621dc7f62", kill_on_drop: false }`
[INFO] [stderr]    Compiling png-me v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "7f4c6d9a33b819bd36eeea4448fffe6282f0387c8f2d7d1e7fb6669621dc7f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4c6d9a33b819bd36eeea4448fffe6282f0387c8f2d7d1e7fb6669621dc7f62", kill_on_drop: false }`
[INFO] [stdout] 7f4c6d9a33b819bd36eeea4448fffe6282f0387c8f2d7d1e7fb6669621dc7f62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9344b0644b25ed0ab6f3e479c61ca78681e97ae3e0026ad1803b0f1a43f9c9ae
[INFO] running `Command { std: "docker" "start" "-a" "9344b0644b25ed0ab6f3e479c61ca78681e97ae3e0026ad1803b0f1a43f9c9ae", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/png_me-fa1ab584c4068325)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test chunk::tests::test_chunk_length ... ok
[INFO] [stdout] test chunk::tests::test_chunk_crc ... ok
[INFO] [stdout] test chunk::tests::test_chunk_as_bytes ... ok
[INFO] [stdout] test chunk::tests::test_invalid_chunk_from_bytes ... ok
[INFO] [stdout] test chunk::tests::test_chunk_type ... ok
[INFO] [stdout] test chunk::tests::test_valid_chunk_from_bytes ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_from_bytes ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_critical ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_not_critical ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_public ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_reserved_bit_invalid ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_reserved_bit_valid ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_safe_to_copy ... ok
[INFO] [stdout] test chunk::tests::test_new_chunk ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_unsafe_to_copy ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_from_str ... ok
[INFO] [stdout] test png::tests::test_append_chunk ... ok
[INFO] [stdout] test chunk::tests::test_chunk_string ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_string ... ok
[INFO] [stdout] test chunk_type::tests::test_invalid_chunk_is_valid ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_trait_impls ... ok
[INFO] [stdout] test png::tests::test_from_chunks ... ok
[INFO] [stdout] test png::tests::test_invalid_chunk ... ok
[INFO] [stdout] test png::tests::test_invalid_header ... ok
[INFO] [stdout] test png::tests::test_list_chunks ... ok
[INFO] [stdout] test png::tests::test_png_from_image_file ... ok
[INFO] [stdout] test png::tests::test_remove_chunk ... ok
[INFO] [stdout] test chunk::tests::test_chunk_trait_impls ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_not_public ... ok
[INFO] [stdout] test chunk_type::tests::test_valid_chunk_is_valid ... ok
[INFO] [stdout] test png::tests::test_valid_from_bytes ... ok
[INFO] [stdout] test png::tests::test_chunk_by_type ... ok
[INFO] [stdout] test png::tests::test_png_trait_impls ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--bin png-me`
[INFO] [stdout] test png::tests::test_as_bytes ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- png::tests::test_png_trait_impls stdout ----
[INFO] [stdout] [src/png.rs:40:9] &png = Png {
[INFO] [stdout]     header: [
[INFO] [stdout]         137,
[INFO] [stdout]         80,
[INFO] [stdout]         78,
[INFO] [stdout]         71,
[INFO] [stdout]         13,
[INFO] [stdout]         10,
[INFO] [stdout]         26,
[INFO] [stdout]         10,
[INFO] [stdout]     ],
[INFO] [stdout]     chunks: [
[INFO] [stdout]         Chunk {
[INFO] [stdout]             length: 20,
[INFO] [stdout]             chunk_type: ChunkType {
[INFO] [stdout]                 chunk_type: 1951625798,
[INFO] [stdout]             },
[INFO] [stdout]             chunk_data: [
[INFO] [stdout]                 73,
[INFO] [stdout]                 32,
[INFO] [stdout]                 97,
[INFO] [stdout]                 109,
[INFO] [stdout]                 32,
[INFO] [stdout]                 116,
[INFO] [stdout]                 104,
[INFO] [stdout]                 101,
[INFO] [stdout]                 32,
[INFO] [stdout]                 102,
[INFO] [stdout]                 105,
[INFO] [stdout]                 114,
[INFO] [stdout]                 115,
[INFO] [stdout]                 116,
[INFO] [stdout]                 32,
[INFO] [stdout]                 99,
[INFO] [stdout]                 104,
[INFO] [stdout]                 117,
[INFO] [stdout]                 110,
[INFO] [stdout]                 107,
[INFO] [stdout]             ],
[INFO] [stdout]             crc: 920434671,
[INFO] [stdout]         },
[INFO] [stdout]         Chunk {
[INFO] [stdout]             length: 18,
[INFO] [stdout]             chunk_type: ChunkType {
[INFO] [stdout]                 chunk_type: 1816422765,
[INFO] [stdout]             },
[INFO] [stdout]             chunk_data: [
[INFO] [stdout]                 73,
[INFO] [stdout]                 32,
[INFO] [stdout]                 97,
[INFO] [stdout]                 109,
[INFO] [stdout]                 32,
[INFO] [stdout]                 97,
[INFO] [stdout]                 110,
[INFO] [stdout]                 111,
[INFO] [stdout]                 116,
[INFO] [stdout]                 104,
[INFO] [stdout]                 101,
[INFO] [stdout]                 114,
[INFO] [stdout]                 32,
[INFO] [stdout]                 99,
[INFO] [stdout]                 104,
[INFO] [stdout]                 117,
[INFO] [stdout]                 110,
[INFO] [stdout]                 107,
[INFO] [stdout]             ],
[INFO] [stdout]             crc: 3346321170,
[INFO] [stdout]         },
[INFO] [stdout]         Chunk {
[INFO] [stdout]             length: 19,
[INFO] [stdout]             chunk_type: ChunkType {
[INFO] [stdout]                 chunk_type: 1951613260,
[INFO] [stdout]             },
[INFO] [stdout]             chunk_data: [
[INFO] [stdout]                 73,
[INFO] [stdout]                 32,
[INFO] [stdout]                 97,
[INFO] [stdout]                 109,
[INFO] [stdout]                 32,
[INFO] [stdout]                 116,
[INFO] [stdout]                 104,
[INFO] [stdout]                 101,
[INFO] [stdout]                 32,
[INFO] [stdout]                 108,
[INFO] [stdout]                 97,
[INFO] [stdout]                 115,
[INFO] [stdout]                 116,
[INFO] [stdout]                 32,
[INFO] [stdout]                 99,
[INFO] [stdout]                 104,
[INFO] [stdout]                 117,
[INFO] [stdout]                 110,
[INFO] [stdout]                 107,
[INFO] [stdout]             ],
[INFO] [stdout]             crc: 313548900,
[INFO] [stdout]         },
[INFO] [stdout]     ],
[INFO] [stdout] }
[INFO] [stdout] 
[INFO] [stdout] thread 'png::tests::test_png_trait_impls' (48) panicked at src/png.rs:48:60:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Utf8Error { valid_up_to: 0, error_len: Some(1) }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6140a4d55942 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6140a4d55942 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6140a4d55942 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6140a4d55942 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6140a4d65b5a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6140a4d65b5a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x6140a4d248c6 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6140a4d248c6 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x6140a4d34e29 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6140a4d34e29 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6140a4d34cc1 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6140a4cf8d2e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x6140a4cf8d2e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6140a4d350a2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x6140a4d350a2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6140a4d34ee8 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x6140a4d30479 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6140a4d194bd - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6140a4d6d02c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6140a4d6c8b2 - core::result::unwrap_failed::h7d4c34940aded59c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x6140a4ccb73b - core::result::Result<T,E>::unwrap::ha1b481dcd04b6eda
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x6140a4ccb73b - <png_me::png::Png as core::fmt::Display>::fmt::habdcd53cbf1c770a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/png.rs:48:60
[INFO] [stdout]   22:     0x6140a4d65b5a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]   23:     0x6140a4d65b5a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]   24:     0x6140a4d631fe - <&mut W as core::fmt::Write::write_fmt::SpecWriteFmt>::spec_write_fmt::h53e3dce84265b4b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/mod.rs:236:21
[INFO] [stdout]   25:     0x6140a4d631fe - core::fmt::Write::write_fmt::hc2364a16d4f3b909
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/mod.rs:241:14
[INFO] [stdout]   26:     0x6140a4d631fe - alloc::fmt::format::format_inner::hfeba257a308a6d43
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/fmt.rs:649:14
[INFO] [stdout]   27:     0x6140a4cd3621 - alloc::fmt::format::{{closure}}::h3a16242307130091
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/fmt.rs:654:34
[INFO] [stdout]   28:     0x6140a4cd2fc1 - core::option::Option<T>::map_or_else::hb9c8804f75a99ab4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/option.rs:1278:21
[INFO] [stdout]   29:     0x6140a4cd35f5 - alloc::fmt::format::h2b4de3f9f8fadbae
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/fmt.rs:654:19
[INFO] [stdout]   30:     0x6140a4cd5570 - png_me::png::tests::test_png_trait_impls::h751d37cac5905811
[INFO] [stdout]                                at /opt/rustwide/workdir/src/png.rs:265:31
[INFO] [stdout]   31:     0x6140a4cd5687 - png_me::png::tests::test_png_trait_impls::{{closure}}::h5ccbf471db544ffe
[INFO] [stdout]                                at /opt/rustwide/workdir/src/png.rs:251:34
[INFO] [stdout]   32:     0x6140a4cd1cf6 - core::ops::function::FnOnce::call_once::h9824d1c69b2bf16c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   33:     0x6140a4cf8b2b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   34:     0x6140a4cf8b2b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   35:     0x6140a4d0c4fa - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   36:     0x6140a4d0c4fa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x6140a4d0c4fa - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x6140a4d0c4fa - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x6140a4d0c4fa - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6140a4d0c4fa - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   41:     0x6140a4d0c4fa - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   42:     0x6140a4ce6954 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   43:     0x6140a4ce6954 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   44:     0x6140a4cea212 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   45:     0x6140a4cea212 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   46:     0x6140a4cea212 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   47:     0x6140a4cea212 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   48:     0x6140a4cea212 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   49:     0x6140a4cea212 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   50:     0x6140a4cea212 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   51:     0x6140a4d2b70f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   52:     0x6140a4d2b70f - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   53:     0x705c17df9aa4 - <unknown>
[INFO] [stdout]   54:     0x705c17e86a64 - clone
[INFO] [stdout]   55:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     png::tests::test_png_trait_impls
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 33 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9344b0644b25ed0ab6f3e479c61ca78681e97ae3e0026ad1803b0f1a43f9c9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9344b0644b25ed0ab6f3e479c61ca78681e97ae3e0026ad1803b0f1a43f9c9ae", kill_on_drop: false }`
[INFO] [stdout] 9344b0644b25ed0ab6f3e479c61ca78681e97ae3e0026ad1803b0f1a43f9c9ae
