[INFO] fetching crate iro 0.0.1...
[INFO] testing iro-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate iro 0.0.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate iro 0.0.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iro 0.0.1
[INFO] finished tweaking crates.io crate iro 0.0.1
[INFO] tweaked toml for crates.io crate iro 0.0.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate iro 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 09b0a45034c8bdf58389dbf344e55bf4bca2bbcd4a262ae245a1ad2daea8a312
[INFO] running `Command { std: "docker" "start" "-a" "09b0a45034c8bdf58389dbf344e55bf4bca2bbcd4a262ae245a1ad2daea8a312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09b0a45034c8bdf58389dbf344e55bf4bca2bbcd4a262ae245a1ad2daea8a312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b0a45034c8bdf58389dbf344e55bf4bca2bbcd4a262ae245a1ad2daea8a312", kill_on_drop: false }`
[INFO] [stdout] 09b0a45034c8bdf58389dbf344e55bf4bca2bbcd4a262ae245a1ad2daea8a312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3209f52b8a7066fc3fa6da1ba125e369eabcd1db6f719df7feb3576c6d1fb60
[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" "f3209f52b8a7066fc3fa6da1ba125e369eabcd1db6f719df7feb3576c6d1fb60", kill_on_drop: false }`
[INFO] [stderr]    Compiling min-max v0.1.3
[INFO] [stderr]    Compiling iro v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `min_max::*`
[INFO] [stdout]  --> src/rgb.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use min_max::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cmyk.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(c: f32, m: f32, y: f32, k: f32) -> Self {
[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: `new`
[INFO] [stdout]   --> src/cmyk.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn new(c: u8, m: u8, y: u8, k: u8) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RGB_SCALE`
[INFO] [stdout]  --> src/rgb.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) const RGB_SCALE: u8 = 255;
[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 1.53s
[INFO] running `Command { std: "docker" "inspect" "f3209f52b8a7066fc3fa6da1ba125e369eabcd1db6f719df7feb3576c6d1fb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3209f52b8a7066fc3fa6da1ba125e369eabcd1db6f719df7feb3576c6d1fb60", kill_on_drop: false }`
[INFO] [stdout] f3209f52b8a7066fc3fa6da1ba125e369eabcd1db6f719df7feb3576c6d1fb60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] 73b09893029672452f1d97324875d4a1406d01f6d53ac57435cc216f5e6f7035
[INFO] running `Command { std: "docker" "start" "-a" "73b09893029672452f1d97324875d4a1406d01f6d53ac57435cc216f5e6f7035", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.43
[INFO] [stderr]    Compiling test-case v1.0.0
[INFO] [stdout] warning: unused import: `min_max::*`
[INFO] [stdout]  --> src/rgb.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use min_max::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cmyk.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(c: f32, m: f32, y: f32, k: f32) -> Self {
[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: `new`
[INFO] [stdout]   --> src/cmyk.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn new(c: u8, m: u8, y: u8, k: u8) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RGB_SCALE`
[INFO] [stdout]  --> src/rgb.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) const RGB_SCALE: u8 = 255;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling iro v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `min_max::*`
[INFO] [stdout]  --> src/rgb.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use min_max::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cmyk.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(c: f32, m: f32, y: f32, k: f32) -> Self {
[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: `new`
[INFO] [stdout]   --> src/cmyk.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn new(c: u8, m: u8, y: u8, k: u8) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RGB_SCALE`
[INFO] [stdout]  --> src/rgb.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) const RGB_SCALE: u8 = 255;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.13s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/iro-4aeea2f25f2cf47c)
[INFO] running `Command { std: "docker" "inspect" "73b09893029672452f1d97324875d4a1406d01f6d53ac57435cc216f5e6f7035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b09893029672452f1d97324875d4a1406d01f6d53ac57435cc216f5e6f7035", kill_on_drop: false }`
[INFO] [stdout] 73b09893029672452f1d97324875d4a1406d01f6d53ac57435cc216f5e6f7035
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8c8519b0e0b849d8c448f36f2bd8b6e3c220503a54f552c3ee12628b955c55e
[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" "b8c8519b0e0b849d8c448f36f2bd8b6e3c220503a54f552c3ee12628b955c55e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `min_max::*`
[INFO] [stderr]  --> src/rgb.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use min_max::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/cmyk.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn new(c: f32, m: f32, y: f32, k: f32) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/cmyk.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn new(c: u8, m: u8, y: u8, k: u8) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RGB_SCALE`
[INFO] [stderr]  --> src/rgb.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub(crate) const RGB_SCALE: u8 = 255;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `iro` (lib) generated 4 warnings
[INFO] [stderr] warning: `iro` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iro-4aeea2f25f2cf47c)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::test_cmyk_to_rgb::black ... ok
[INFO] [stdout] test tests::test_cmyk_to_rgb::no_m ... ok
[INFO] [stdout] test tests::test_hsl_to_rgb::_1 ... ok
[INFO] [stdout] test tests::test_hsl_to_rgb::white ... ok
[INFO] [stdout] test tests::test_rgb_to_cmyk::black ... ok
[INFO] [stdout] test tests::test_hsl_to_rgb::black ... ok
[INFO] [stdout] test tests::test_rgb_to_hsl::black ... ok
[INFO] [stdout] test tests::test_rgb_to_cmyk::white ... ok
[INFO] [stdout] test tests::test_rgb_to_hsl::white ... ok
[INFO] [stdout] test tests::test_cmyk_to_rgb::white ... ok
[INFO] [stdout] test tests::test_rgb_to_cmyk::no_m ... ok
[INFO] [stdout] test tests::test_rgb_to_hsl::_11 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iro
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b8c8519b0e0b849d8c448f36f2bd8b6e3c220503a54f552c3ee12628b955c55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c8519b0e0b849d8c448f36f2bd8b6e3c220503a54f552c3ee12628b955c55e", kill_on_drop: false }`
[INFO] [stdout] b8c8519b0e0b849d8c448f36f2bd8b6e3c220503a54f552c3ee12628b955c55e