[INFO] fetching crate whats-a-png 0.1.1... [INFO] testing whats-a-png-0.1.1 against 1.90.0 for beta-1.91-3 [INFO] extracting crate whats-a-png 0.1.1 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate whats-a-png 0.1.1 [INFO] finished tweaking crates.io crate whats-a-png 0.1.1 [INFO] tweaked toml for crates.io crate whats-a-png 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate whats-a-png 0.1.1 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate whats-a-png 0.1.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a62c3ead3324a11eba78752b687890119eb3049899acac6c934fd3c17f192073 [INFO] running `Command { std: "docker" "start" "-a" "a62c3ead3324a11eba78752b687890119eb3049899acac6c934fd3c17f192073", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a62c3ead3324a11eba78752b687890119eb3049899acac6c934fd3c17f192073", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a62c3ead3324a11eba78752b687890119eb3049899acac6c934fd3c17f192073", kill_on_drop: false }` [INFO] [stdout] a62c3ead3324a11eba78752b687890119eb3049899acac6c934fd3c17f192073 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 04df9432ff3e2a3ce1e269696adf1e21387cb29564746e9cc916e981202f9c00 [INFO] running `Command { std: "docker" "start" "-a" "04df9432ff3e2a3ce1e269696adf1e21387cb29564746e9cc916e981202f9c00", kill_on_drop: false }` [INFO] [stderr] Compiling whats-a-png v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `info` is never read [INFO] [stdout] --> src/png.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct PngImage { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 33 | pub info: PNGInfo, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/png.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 45 | pub struct PNGInfo { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 46 | pub width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 47 | pub height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 48 | pub bit_depth: u8, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 49 | pub color_type: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 50 | pub compression_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 51 | pub filter_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 52 | pub interlace_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "04df9432ff3e2a3ce1e269696adf1e21387cb29564746e9cc916e981202f9c00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04df9432ff3e2a3ce1e269696adf1e21387cb29564746e9cc916e981202f9c00", kill_on_drop: false }` [INFO] [stdout] 04df9432ff3e2a3ce1e269696adf1e21387cb29564746e9cc916e981202f9c00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 14d24b7e4156d4d16fcfb7a2ad5da1cb821b07fcf829ab94b6c96ab14ee6b6ab [INFO] running `Command { std: "docker" "start" "-a" "14d24b7e4156d4d16fcfb7a2ad5da1cb821b07fcf829ab94b6c96ab14ee6b6ab", kill_on_drop: false }` [INFO] [stderr] Compiling whats-a-png v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `info` is never read [INFO] [stdout] --> src/png.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct PngImage { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 33 | pub info: PNGInfo, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/png.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 45 | pub struct PNGInfo { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 46 | pub width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 47 | pub height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 48 | pub bit_depth: u8, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 49 | pub color_type: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 50 | pub compression_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 51 | pub filter_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 52 | pub interlace_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `Command { std: "docker" "inspect" "14d24b7e4156d4d16fcfb7a2ad5da1cb821b07fcf829ab94b6c96ab14ee6b6ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14d24b7e4156d4d16fcfb7a2ad5da1cb821b07fcf829ab94b6c96ab14ee6b6ab", kill_on_drop: false }` [INFO] [stdout] 14d24b7e4156d4d16fcfb7a2ad5da1cb821b07fcf829ab94b6c96ab14ee6b6ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] dac1790a6ce5c20ae7aa352d6f7b75385b7341e5264e2e90e4e9f76b928aa458 [INFO] running `Command { std: "docker" "start" "-a" "dac1790a6ce5c20ae7aa352d6f7b75385b7341e5264e2e90e4e9f76b928aa458", kill_on_drop: false }` [INFO] [stderr] warning: field `info` is never read [INFO] [stderr] --> src/png.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 32 | pub struct PngImage { [INFO] [stderr] | -------- field in this struct [INFO] [stderr] 33 | pub info: PNGInfo, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: multiple fields are never read [INFO] [stderr] --> src/png.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 45 | pub struct PNGInfo { [INFO] [stderr] | ------- fields in this struct [INFO] [stderr] 46 | pub width: u32, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 47 | pub height: u32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 48 | pub bit_depth: u8, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] 49 | pub color_type: u8, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 50 | pub compression_method: u8, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 51 | pub filter_method: u8, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] 52 | pub interlace_method: u8, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `whats-a-png` (bin "whats-a-png" test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/whats_a_png-b83fc412f385a781) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test png::tests::test_chunks ... ok [INFO] [stdout] test png::tests::test_new ... ok [INFO] [stdout] test png::tests::test_read_image_data ... ok [INFO] [stdout] test png::tests::test_save_image ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- png::tests::test_save_image stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'png::tests::test_save_image' panicked at src/png.rs:319:37: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: SaveOperationFailed [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x59a577d1d1c2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x59a577d1d1c2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x59a577d1d1c2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x59a577d1d1c2 - ::fmt::hdcfcb6d4c8489523 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x59a577d423d3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x59a577d423d3 - core::fmt::write::h8a494366950f23bb [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x59a577d1a143 - std::io::default_write_fmt::h7b8824096454f323 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x59a577d1a143 - std::io::Write::write_fmt::h4e71294925c334d0 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x59a577d1d012 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x59a577d1e739 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27 [INFO] [stdout] 10: 0x59a577d1e56e - std::panicking::default_hook::h2c66fc99e962531d [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9 [INFO] [stdout] 11: 0x59a577ce6454 - as core::ops::function::Fn>::call::hb6bd65493727d71a [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 12: 0x59a577ce6454 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x59a577d1f10e - as core::ops::function::Fn>::call::h318e4efb8c1a5689 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 14: 0x59a577d1f10e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13 [INFO] [stdout] 15: 0x59a577d1eeda - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13 [INFO] [stdout] 16: 0x59a577d1d6b9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x59a577d1eb6d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5 [INFO] [stdout] 18: 0x59a577d40ec0 - core::panicking::panic_fmt::h62f63d096dd276af [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x59a577d41286 - core::result::unwrap_failed::h95bc3f5a607b2c95 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5 [INFO] [stdout] 20: 0x59a577cace60 - core::result::Result::unwrap::h4b59dc64036a69b8 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1167:23 [INFO] [stdout] 21: 0x59a577cace60 - whats_a_png::png::tests::test_save_image::hebce4e6a9b1ddff8 [INFO] [stdout] at /opt/rustwide/workdir/src/png.rs:319:37 [INFO] [stdout] 22: 0x59a577cacca7 - whats_a_png::png::tests::test_save_image::{{closure}}::h73b7bbe95871a2f2 [INFO] [stdout] at /opt/rustwide/workdir/src/png.rs:317:25 [INFO] [stdout] 23: 0x59a577ca6a86 - core::ops::function::FnOnce::call_once::hee2a67edf7fc16df [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 24: 0x59a577cebcbb - core::ops::function::FnOnce::call_once::h1f9474f1347fff52 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 25: 0x59a577cebcbb - test::__rust_begin_short_backtrace::ha52ab26e77157f03 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18 [INFO] [stdout] 26: 0x59a577ceadf5 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74 [INFO] [stdout] 27: 0x59a577ceadf5 - as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x59a577ceadf5 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40 [INFO] [stdout] 29: 0x59a577ceadf5 - std::panicking::catch_unwind::h6deb5fe1e91873c9 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19 [INFO] [stdout] 30: 0x59a577ceadf5 - std::panic::catch_unwind::hea0829b6b565654b [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x59a577ceadf5 - test::run_test_in_process::hdc44dfecea3db21b [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27 [INFO] [stdout] 32: 0x59a577ceadf5 - test::run_test::{{closure}}::h0364ba59bf23f652 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43 [INFO] [stdout] 33: 0x59a577cae9f4 - test::run_test::{{closure}}::h32730b304eec05da [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41 [INFO] [stdout] 34: 0x59a577cae9f4 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 35: 0x59a577cb23ca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x59a577cb23ca - as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x59a577cb23ca - std::panicking::catch_unwind::do_call::h163fe12cca9901c2 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40 [INFO] [stdout] 38: 0x59a577cb23ca - std::panicking::catch_unwind::he81557d0e17cc1bc [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19 [INFO] [stdout] 39: 0x59a577cb23ca - std::panic::catch_unwind::hc2b8e79c20593955 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x59a577cb23ca - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x59a577cb23ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 42: 0x59a577d2208f - as core::ops::function::FnOnce>::call_once::h5924238c754de3b8 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9 [INFO] [stdout] 43: 0x59a577d2208f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17 [INFO] [stdout] 44: 0x7c0cfebdeaa4 - [INFO] [stdout] 45: 0x7c0cfec6ba34 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] png::tests::test_save_image [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin whats-a-png` [INFO] running `Command { std: "docker" "inspect" "dac1790a6ce5c20ae7aa352d6f7b75385b7341e5264e2e90e4e9f76b928aa458", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dac1790a6ce5c20ae7aa352d6f7b75385b7341e5264e2e90e4e9f76b928aa458", kill_on_drop: false }` [INFO] [stdout] dac1790a6ce5c20ae7aa352d6f7b75385b7341e5264e2e90e4e9f76b928aa458