[INFO] cloning repository https://github.com/sanderhahn/colors-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sanderhahn/colors-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanderhahn%2Fcolors-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanderhahn%2Fcolors-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0307aa7c537c8bbdf30c27ba4bbc09f21e16ecdf
[INFO] testing sanderhahn/colors-rs against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanderhahn%2Fcolors-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sanderhahn/colors-rs on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sanderhahn/colors-rs
[INFO] finished tweaking git repo https://github.com/sanderhahn/colors-rs
[INFO] tweaked toml for git repo https://github.com/sanderhahn/colors-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/sanderhahn/colors-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d366180f537fd09ce9c600030fc6b5a759a311fd07aa398fc6af378536b85f16
[INFO] running `Command { std: "docker" "start" "-a" "d366180f537fd09ce9c600030fc6b5a759a311fd07aa398fc6af378536b85f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d366180f537fd09ce9c600030fc6b5a759a311fd07aa398fc6af378536b85f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d366180f537fd09ce9c600030fc6b5a759a311fd07aa398fc6af378536b85f16", kill_on_drop: false }`
[INFO] [stdout] d366180f537fd09ce9c600030fc6b5a759a311fd07aa398fc6af378536b85f16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1c27b6ff1d277558a629aaa0bde129dbb8dfa49ef19207132e5dad1429d0b5f
[INFO] running `Command { std: "docker" "start" "-a" "a1c27b6ff1d277558a629aaa0bde129dbb8dfa49ef19207132e5dad1429d0b5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling colors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "a1c27b6ff1d277558a629aaa0bde129dbb8dfa49ef19207132e5dad1429d0b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c27b6ff1d277558a629aaa0bde129dbb8dfa49ef19207132e5dad1429d0b5f", kill_on_drop: false }`
[INFO] [stdout] a1c27b6ff1d277558a629aaa0bde129dbb8dfa49ef19207132e5dad1429d0b5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 953f4f1f1b9e57f16990d3949e1bb7133b8de5a140481a483f20ee3f42257fb4
[INFO] running `Command { std: "docker" "start" "-a" "953f4f1f1b9e57f16990d3949e1bb7133b8de5a140481a483f20ee3f42257fb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling colors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "953f4f1f1b9e57f16990d3949e1bb7133b8de5a140481a483f20ee3f42257fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953f4f1f1b9e57f16990d3949e1bb7133b8de5a140481a483f20ee3f42257fb4", kill_on_drop: false }`
[INFO] [stdout] 953f4f1f1b9e57f16990d3949e1bb7133b8de5a140481a483f20ee3f42257fb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 527cf77371935e915d8639fe3f3d09c6b2bb7dc33a8a1f9d72fb7e0e2efe66ae
[INFO] running `Command { std: "docker" "start" "-a" "527cf77371935e915d8639fe3f3d09c6b2bb7dc33a8a1f9d72fb7e0e2efe66ae", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/colors-22c928747ca84460)
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_gray ... ok
[INFO] [stdout] test tests::test_convert ... ok
[INFO] [stdout] test tests::test_hwb_block_orange ... ok
[INFO] [stdout] test tests::test_hue_to_rgb ... ok
[INFO] [stdout] test tests::test_mix ... ok
[INFO] [stdout] test tests::test_hwb_block_red ... ok
[INFO] [stdout] test tests::test_hue_palette ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stdout] test tests::test_palettes ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_hue_palette stdout ----
[INFO] [stdout] thread 'tests::test_hue_palette' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/lib.rs:148:39
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555e57fed570 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x555e57fed570 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::trace_unsynchronized::<std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555e57fed570 - std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x555e57fed570 - <std[77c0456e0eb29f0c]::sys_common::backtrace::_print::DisplayBacktrace as core[ee1ca6415511a9c4]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x555e5800fd5c - core[ee1ca6415511a9c4]::fmt::write
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x555e57fea4b5 - <alloc[cda43b294bbfc5d0]::vec::Vec<u8> as std[77c0456e0eb29f0c]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/io/mod.rs:1584:15
[INFO] [stdout]    6:     0x555e57fef6fb - std[77c0456e0eb29f0c]::sys_common::backtrace::_print
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x555e57fef6fb - std[77c0456e0eb29f0c]::sys_common::backtrace::print
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x555e57fef6fb - std[77c0456e0eb29f0c]::panicking::default_hook::{closure#1}
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x555e57fef20c - std[77c0456e0eb29f0c]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x555e57fefda1 - std[77c0456e0eb29f0c]::panicking::rust_panic_with_hook
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x555e57fef8a7 - std[77c0456e0eb29f0c]::panicking::begin_panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x555e57feda6c - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_end_short_backtrace::<std[77c0456e0eb29f0c]::panicking::begin_panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x555e57fef809 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x555e57f56911 - core[ee1ca6415511a9c4]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x555e57f56a03 - core[ee1ca6415511a9c4]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/result.rs:1355:5
[INFO] [stdout]   16:     0x555e57f5eede - <core[ee1ca6415511a9c4]::result::Result<std[77c0456e0eb29f0c]::fs::File, std[77c0456e0eb29f0c]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/result.rs:1037:23
[INFO] [stdout]   17:     0x555e57f5dbda - <colors[e655bec33b5b3c0f]::Pixels>::save_image
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:148:20
[INFO] [stdout]   18:     0x555e57f5e978 - colors[e655bec33b5b3c0f]::hue_palette
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:216:5
[INFO] [stdout]   19:     0x555e57f5c8e6 - colors[e655bec33b5b3c0f]::tests::test_hue_palette
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:336:9
[INFO] [stdout]   20:     0x555e57f5c8ca - colors[e655bec33b5b3c0f]::tests::test_hue_palette::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:335:5
[INFO] [stdout]   21:     0x555e57f66c9e - <colors[e655bec33b5b3c0f]::tests::test_hue_palette::{closure#0} as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x555e57fc4b23 - <fn() as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   23:     0x555e57fc4b23 - test[eeb9024d9ac7bc83]::__rust_begin_short_backtrace::<fn()>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/test/src/lib.rs:577:5
[INFO] [stdout]   24:     0x555e57fc35ec - <alloc[cda43b294bbfc5d0]::boxed::Box<dyn core[ee1ca6415511a9c4]::ops::function::FnOnce<(), Output = ()> + core[ee1ca6415511a9c4]::marker::Send> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   25:     0x555e57fc35ec - <std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<alloc[cda43b294bbfc5d0]::boxed::Box<dyn core[ee1ca6415511a9c4]::ops::function::FnOnce<(), Output = ()> + core[ee1ca6415511a9c4]::marker::Send>> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:346:9
[INFO] [stdout]   26:     0x555e57fc35ec - std[77c0456e0eb29f0c]::panicking::try::do_call::<std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<alloc[cda43b294bbfc5d0]::boxed::Box<dyn core[ee1ca6415511a9c4]::ops::function::FnOnce<(), Output = ()> + core[ee1ca6415511a9c4]::marker::Send>>, ()>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:401:40
[INFO] [stdout]   27:     0x555e57fc35ec - std[77c0456e0eb29f0c]::panicking::try::<(), std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<alloc[cda43b294bbfc5d0]::boxed::Box<dyn core[ee1ca6415511a9c4]::ops::function::FnOnce<(), Output = ()> + core[ee1ca6415511a9c4]::marker::Send>>>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:365:19
[INFO] [stdout]   28:     0x555e57fc35ec - std[77c0456e0eb29f0c]::panic::catch_unwind::<std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<alloc[cda43b294bbfc5d0]::boxed::Box<dyn core[ee1ca6415511a9c4]::ops::function::FnOnce<(), Output = ()> + core[ee1ca6415511a9c4]::marker::Send>>, ()>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:433:14
[INFO] [stdout]   29:     0x555e57fc35ec - test[eeb9024d9ac7bc83]::run_test_in_process
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/test/src/lib.rs:600:18
[INFO] [stdout]   30:     0x555e57fc35ec - test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#0}
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/test/src/lib.rs:492:39
[INFO] [stdout]   31:     0x555e57fa32b2 - test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/test/src/lib.rs:519:37
[INFO] [stdout]   32:     0x555e57fa32b2 - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_begin_short_backtrace::<test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   33:     0x555e57fa3b98 - <std[77c0456e0eb29f0c]::thread::Builder>::spawn_unchecked::<test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}, ()>::{closure#0}::{closure#0}
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   34:     0x555e57fa3b98 - <std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<<std[77c0456e0eb29f0c]::thread::Builder>::spawn_unchecked<test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}, ()>::{closure#0}::{closure#0}> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:346:9
[INFO] [stdout]   35:     0x555e57fa3b98 - std[77c0456e0eb29f0c]::panicking::try::do_call::<std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<<std[77c0456e0eb29f0c]::thread::Builder>::spawn_unchecked<test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:401:40
[INFO] [stdout]   36:     0x555e57fa3b98 - std[77c0456e0eb29f0c]::panicking::try::<(), std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<<std[77c0456e0eb29f0c]::thread::Builder>::spawn_unchecked<test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}, ()>::{closure#0}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:365:19
[INFO] [stdout]   37:     0x555e57fa3b98 - std[77c0456e0eb29f0c]::panic::catch_unwind::<std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<<std[77c0456e0eb29f0c]::thread::Builder>::spawn_unchecked<test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:433:14
[INFO] [stdout]   38:     0x555e57fa3b98 - <std[77c0456e0eb29f0c]::thread::Builder>::spawn_unchecked::<test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}, ()>::{closure#0}
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   39:     0x555e57fa3b98 - <<std[77c0456e0eb29f0c]::thread::Builder>::spawn_unchecked<test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}, ()>::{closure#0} as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   40:     0x555e57ff4857 - <alloc[cda43b294bbfc5d0]::boxed::Box<dyn core[ee1ca6415511a9c4]::ops::function::FnOnce<(), Output = ()>> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   41:     0x555e57ff4857 - <alloc[cda43b294bbfc5d0]::boxed::Box<alloc[cda43b294bbfc5d0]::boxed::Box<dyn core[ee1ca6415511a9c4]::ops::function::FnOnce<(), Output = ()>>> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   42:     0x555e57ff4857 - <std[77c0456e0eb29f0c]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   43:     0x7fa17347f609 - start_thread
[INFO] [stdout]   44:     0x7fa173251293 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_palettes stdout ----
[INFO] [stdout] thread 'tests::test_palettes' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/lib.rs:148:39
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555e57fed570 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x555e57fed570 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::trace_unsynchronized::<std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555e57fed570 - std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x555e57fed570 - <std[77c0456e0eb29f0c]::sys_common::backtrace::_print::DisplayBacktrace as core[ee1ca6415511a9c4]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x555e5800fd5c - core[ee1ca6415511a9c4]::fmt::write
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x555e57fea4b5 - <alloc[cda43b294bbfc5d0]::vec::Vec<u8> as std[77c0456e0eb29f0c]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/io/mod.rs:1584:15
[INFO] [stdout]    6:     0x555e57fef6fb - std[77c0456e0eb29f0c]::sys_common::backtrace::_print
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x555e57fef6fb - std[77c0456e0eb29f0c]::sys_common::backtrace::print
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x555e57fef6fb - std[77c0456e0eb29f0c]::panicking::default_hook::{closure#1}
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x555e57fef20c - std[77c0456e0eb29f0c]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x555e57fefda1 - std[77c0456e0eb29f0c]::panicking::rust_panic_with_hook
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x555e57fef8a7 - std[77c0456e0eb29f0c]::panicking::begin_panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x555e57feda6c - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_end_short_backtrace::<std[77c0456e0eb29f0c]::panicking::begin_panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x555e57fef809 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x555e57f56911 - core[ee1ca6415511a9c4]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x555e57f56a03 - core[ee1ca6415511a9c4]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/result.rs:1355:5
[INFO] [stdout]   16:     0x555e57f5eede - <core[ee1ca6415511a9c4]::result::Result<std[77c0456e0eb29f0c]::fs::File, std[77c0456e0eb29f0c]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/result.rs:1037:23
[INFO] [stdout]   17:     0x555e57f5dbda - <colors[e655bec33b5b3c0f]::Pixels>::save_image
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:148:20
[INFO] [stdout]   18:     0x555e57f5e809 - colors[e655bec33b5b3c0f]::palette
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:195:5
[INFO] [stdout]   19:     0x555e57f5c896 - colors[e655bec33b5b3c0f]::tests::test_palettes
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:330:13
[INFO] [stdout]   20:     0x555e57f5c7aa - colors[e655bec33b5b3c0f]::tests::test_palettes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:327:5
[INFO] [stdout]   21:     0x555e57f66c1e - <colors[e655bec33b5b3c0f]::tests::test_palettes::{closure#0} as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x555e57fc4b23 - <fn() as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   23:     0x555e57fc4b23 - test[eeb9024d9ac7bc83]::__rust_begin_short_backtrace::<fn()>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/test/src/lib.rs:577:5
[INFO] [stdout]   24:     0x555e57fc35ec - <alloc[cda43b294bbfc5d0]::boxed::Box<dyn core[ee1ca6415511a9c4]::ops::function::FnOnce<(), Output = ()> + core[ee1ca6415511a9c4]::marker::Send> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   25:     0x555e57fc35ec - <std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<alloc[cda43b294bbfc5d0]::boxed::Box<dyn core[ee1ca6415511a9c4]::ops::function::FnOnce<(), Output = ()> + core[ee1ca6415511a9c4]::marker::Send>> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:346:9
[INFO] [stdout]   26:     0x555e57fc35ec - std[77c0456e0eb29f0c]::panicking::try::do_call::<std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<alloc[cda43b294bbfc5d0]::boxed::Box<dyn core[ee1ca6415511a9c4]::ops::function::FnOnce<(), Output = ()> + core[ee1ca6415511a9c4]::marker::Send>>, ()>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:401:40
[INFO] [stdout]   27:     0x555e57fc35ec - std[77c0456e0eb29f0c]::panicking::try::<(), std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<alloc[cda43b294bbfc5d0]::boxed::Box<dyn core[ee1ca6415511a9c4]::ops::function::FnOnce<(), Output = ()> + core[ee1ca6415511a9c4]::marker::Send>>>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:365:19
[INFO] [stdout]   28:     0x555e57fc35ec - std[77c0456e0eb29f0c]::panic::catch_unwind::<std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<alloc[cda43b294bbfc5d0]::boxed::Box<dyn core[ee1ca6415511a9c4]::ops::function::FnOnce<(), Output = ()> + core[ee1ca6415511a9c4]::marker::Send>>, ()>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:433:14
[INFO] [stdout]   29:     0x555e57fc35ec - test[eeb9024d9ac7bc83]::run_test_in_process
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/test/src/lib.rs:600:18
[INFO] [stdout]   30:     0x555e57fc35ec - test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#0}
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/test/src/lib.rs:492:39
[INFO] [stdout]   31:     0x555e57fa32b2 - test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/test/src/lib.rs:519:37
[INFO] [stdout]   32:     0x555e57fa32b2 - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_begin_short_backtrace::<test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   33:     0x555e57fa3b98 - <std[77c0456e0eb29f0c]::thread::Builder>::spawn_unchecked::<test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}, ()>::{closure#0}::{closure#0}
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   34:     0x555e57fa3b98 - <std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<<std[77c0456e0eb29f0c]::thread::Builder>::spawn_unchecked<test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}, ()>::{closure#0}::{closure#0}> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:346:9
[INFO] [stdout]   35:     0x555e57fa3b98 - std[77c0456e0eb29f0c]::panicking::try::do_call::<std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<<std[77c0456e0eb29f0c]::thread::Builder>::spawn_unchecked<test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:401:40
[INFO] [stdout]   36:     0x555e57fa3b98 - std[77c0456e0eb29f0c]::panicking::try::<(), std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<<std[77c0456e0eb29f0c]::thread::Builder>::spawn_unchecked<test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}, ()>::{closure#0}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:365:19
[INFO] [stdout]   37:     0x555e57fa3b98 - std[77c0456e0eb29f0c]::panic::catch_unwind::<std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<<std[77c0456e0eb29f0c]::thread::Builder>::spawn_unchecked<test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:433:14
[INFO] [stdout]   38:     0x555e57fa3b98 - <std[77c0456e0eb29f0c]::thread::Builder>::spawn_unchecked::<test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}, ()>::{closure#0}
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   39:     0x555e57fa3b98 - <<std[77c0456e0eb29f0c]::thread::Builder>::spawn_unchecked<test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1}, ()>::{closure#0} as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   40:     0x555e57ff4857 - <alloc[cda43b294bbfc5d0]::boxed::Box<dyn core[ee1ca6415511a9c4]::ops::function::FnOnce<(), Output = ()>> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   41:     0x555e57ff4857 - <alloc[cda43b294bbfc5d0]::boxed::Box<alloc[cda43b294bbfc5d0]::boxed::Box<dyn core[ee1ca6415511a9c4]::ops::function::FnOnce<(), Output = ()>>> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   42:     0x555e57ff4857 - <std[77c0456e0eb29f0c]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   43:     0x7fa17347f609 - start_thread
[INFO] [stdout]   44:     0x7fa173251293 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_hue_palette
[INFO] [stdout]     tests::test_palettes
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "527cf77371935e915d8639fe3f3d09c6b2bb7dc33a8a1f9d72fb7e0e2efe66ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "527cf77371935e915d8639fe3f3d09c6b2bb7dc33a8a1f9d72fb7e0e2efe66ae", kill_on_drop: false }`
[INFO] [stdout] 527cf77371935e915d8639fe3f3d09c6b2bb7dc33a8a1f9d72fb7e0e2efe66ae