[INFO] cloning repository https://github.com/arzg/spectra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arzg/spectra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Fspectra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Fspectra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 631584d72b6a7b7c25b67299c6e4dc457605fb1a
[INFO] testing arzg/spectra against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Fspectra" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arzg/spectra on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arzg/spectra
[INFO] finished tweaking git repo https://github.com/arzg/spectra
[INFO] tweaked toml for git repo https://github.com/arzg/spectra written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/arzg/spectra already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 66b2b07073f5e7c9c6a7b1e819ed032ebaf3cfaab78ae2f1208ade01048eb3a3
[INFO] running `Command { std: "docker" "start" "-a" "66b2b07073f5e7c9c6a7b1e819ed032ebaf3cfaab78ae2f1208ade01048eb3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66b2b07073f5e7c9c6a7b1e819ed032ebaf3cfaab78ae2f1208ade01048eb3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b2b07073f5e7c9c6a7b1e819ed032ebaf3cfaab78ae2f1208ade01048eb3a3", kill_on_drop: false }`
[INFO] [stdout] 66b2b07073f5e7c9c6a7b1e819ed032ebaf3cfaab78ae2f1208ade01048eb3a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21cc21980701d4643a07aa2756c92d3fe421a8f89d2161d8a2725b4f1d4a7ba7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "21cc21980701d4643a07aa2756c92d3fe421a8f89d2161d8a2725b4f1d4a7ba7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling tincture v0.5.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling mottle v0.1.1
[INFO] [stderr]    Compiling spectra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `emphasized`
[INFO] [stdout]   --> src/palette.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub(crate) fn emphasized(&self) -> Oklch {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `orange`
[INFO] [stdout]   --> src/palette.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub(crate) fn orange(&self) -> Oklch {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `violet`
[INFO] [stdout]   --> src/palette.rs:96:19
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub(crate) fn violet(&self) -> Oklch {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `oklab`
[INFO] [stdout]    --> src/palette.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn oklab(l: f32, a: f32, b: f32) -> Oklab {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.18s
[INFO] running `Command { std: "docker" "inspect" "21cc21980701d4643a07aa2756c92d3fe421a8f89d2161d8a2725b4f1d4a7ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21cc21980701d4643a07aa2756c92d3fe421a8f89d2161d8a2725b4f1d4a7ba7", kill_on_drop: false }`
[INFO] [stdout] 21cc21980701d4643a07aa2756c92d3fe421a8f89d2161d8a2725b4f1d4a7ba7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 307c03b2b2562426194e1119553a3a89aef704075d9b6ee0098c233f7d393d9c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "307c03b2b2562426194e1119553a3a89aef704075d9b6ee0098c233f7d393d9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling spectra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `emphasized`
[INFO] [stdout]   --> src/palette.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub(crate) fn emphasized(&self) -> Oklch {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `orange`
[INFO] [stdout]   --> src/palette.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub(crate) fn orange(&self) -> Oklch {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `violet`
[INFO] [stdout]   --> src/palette.rs:96:19
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub(crate) fn violet(&self) -> Oklch {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `oklab`
[INFO] [stdout]    --> src/palette.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn oklab(l: f32, a: f32, b: f32) -> Oklab {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "307c03b2b2562426194e1119553a3a89aef704075d9b6ee0098c233f7d393d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "307c03b2b2562426194e1119553a3a89aef704075d9b6ee0098c233f7d393d9c", kill_on_drop: false }`
[INFO] [stdout] 307c03b2b2562426194e1119553a3a89aef704075d9b6ee0098c233f7d393d9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d40e786888a76a2ce370fa8f272ffdac30b5d8f4d0b096a0756aa91517f53b6
[INFO] running `Command { std: "docker" "start" "-a" "8d40e786888a76a2ce370fa8f272ffdac30b5d8f4d0b096a0756aa91517f53b6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `emphasized`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/palette.rs:10:19
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 10 |     pub(crate) fn emphasized(&self) -> Oklch {
[INFO] [stdout] 
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `orange`
[INFO] [stderr]   --> src/palette.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub(crate) fn orange(&self) -> Oklch {
[INFO] [stderr]    |                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `violet`
[INFO] [stderr]   --> src/palette.rs:96:19
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub(crate) fn violet(&self) -> Oklch {
[INFO] [stderr]    |                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `oklab`
[INFO] [stderr]    --> src/palette.rs:113:4
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn oklab(l: f32, a: f32, b: f32) -> Oklab {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `spectra` (bin "spectra" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spectra-5506eda5e6d60411)
[INFO] running `Command { std: "docker" "inspect" "8d40e786888a76a2ce370fa8f272ffdac30b5d8f4d0b096a0756aa91517f53b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d40e786888a76a2ce370fa8f272ffdac30b5d8f4d0b096a0756aa91517f53b6", kill_on_drop: false }`
[INFO] [stdout] 8d40e786888a76a2ce370fa8f272ffdac30b5d8f4d0b096a0756aa91517f53b6