[INFO] cloning repository https://github.com/FelixRilling/colo.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FelixRilling/colo.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFelixRilling%2Fcolo.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFelixRilling%2Fcolo.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50ba35b3be90b19462844601b6ddd32fa8562d3b
[INFO] testing FelixRilling/colo.rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFelixRilling%2Fcolo.rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FelixRilling/colo.rs 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 git repo https://github.com/FelixRilling/colo.rs
[INFO] finished tweaking git repo https://github.com/FelixRilling/colo.rs
[INFO] tweaked toml for git repo https://github.com/FelixRilling/colo.rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/FelixRilling/colo.rs 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] 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] 410256b443021545990e0df9e9cc5c28c8196c33bcf7221a7aa2d178b2b5f1a0
[INFO] running `Command { std: "docker" "start" "-a" "410256b443021545990e0df9e9cc5c28c8196c33bcf7221a7aa2d178b2b5f1a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "410256b443021545990e0df9e9cc5c28c8196c33bcf7221a7aa2d178b2b5f1a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410256b443021545990e0df9e9cc5c28c8196c33bcf7221a7aa2d178b2b5f1a0", kill_on_drop: false }`
[INFO] [stdout] 410256b443021545990e0df9e9cc5c28c8196c33bcf7221a7aa2d178b2b5f1a0
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0050040d4cc72edb790066540f20659a5736a352670499c96a967565eb4f5f4a
[INFO] running `Command { std: "docker" "start" "-a" "0050040d4cc72edb790066540f20659a5736a352670499c96a967565eb4f5f4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling palette v0.6.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling dtoa-short v0.3.3
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling find-crate v0.6.3
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling color-utils-internal v0.2.0 (/opt/rustwide/workdir/crates/internal)
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling clap v3.1.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling cssparser v0.29.2
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling palette_derive v0.6.0
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling color-utils v0.2.0 (/opt/rustwide/workdir/crates/lib)
[INFO] [stderr]    Compiling color-utils-cli v0.1.0 (/opt/rustwide/workdir/crates/cli)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "0050040d4cc72edb790066540f20659a5736a352670499c96a967565eb4f5f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0050040d4cc72edb790066540f20659a5736a352670499c96a967565eb4f5f4a", kill_on_drop: false }`
[INFO] [stdout] 0050040d4cc72edb790066540f20659a5736a352670499c96a967565eb4f5f4a
[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] cb02be8010d99d1186feee0bc1ea6be74ee1b1c0e99bce2e68768475c88b0b75
[INFO] running `Command { std: "docker" "start" "-a" "cb02be8010d99d1186feee0bc1ea6be74ee1b1c0e99bce2e68768475c88b0b75", kill_on_drop: false }`
[INFO] [stderr]    Compiling color-utils-internal v0.2.0 (/opt/rustwide/workdir/crates/internal)
[INFO] [stderr]    Compiling color-utils v0.2.0 (/opt/rustwide/workdir/crates/lib)
[INFO] [stderr]    Compiling color-utils-cli v0.1.0 (/opt/rustwide/workdir/crates/cli)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.80s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/color_utils-dfb3d597470992f1)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/colu-e6eb5157f4aff4f8)
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/color_utils_internal-59d5b1197177efb7)
[INFO] running `Command { std: "docker" "inspect" "cb02be8010d99d1186feee0bc1ea6be74ee1b1c0e99bce2e68768475c88b0b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb02be8010d99d1186feee0bc1ea6be74ee1b1c0e99bce2e68768475c88b0b75", kill_on_drop: false }`
[INFO] [stdout] cb02be8010d99d1186feee0bc1ea6be74ee1b1c0e99bce2e68768475c88b0b75
[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] b7d2de599cb89df5bc11dce93282885be6a7fa11a89dbab4d481fa33a45e79b3
[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" "b7d2de599cb89df5bc11dce93282885be6a7fa11a89dbab4d481fa33a45e79b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/color_utils-dfb3d597470992f1)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test to_str::hsl_function::tests::to_hsl_function_str_omit_alpha_channel_opaque ... ok
[INFO] [stdout] test to_str::hsl_function::tests::to_hsl_function_str_number_alpha_channel ... ok
[INFO] [stdout] test to_str::hsl_function::tests::to_hsl_function_str_percentage_alpha_channel ... ok
[INFO] [stdout] test to_str::hwb_function::tests::to_hwb_function_str_number_alpha_channel ... ok
[INFO] [stdout] test to_str::rgb_function::tests::to_rgb_function_str_number_color_channel ... ok
[INFO] [stdout] test to_str::rgb_function::tests::to_rgb_function_str_omit_alpha_channel_opaque ... ok
[INFO] [stdout] test to_str::rgb_function::tests::to_rgb_function_str_omit_alpha_never ... ok
[INFO] [stdout] test to_str::hwb_function::tests::to_hwb_function_str_omit_alpha_channel_opaque ... ok
[INFO] [stdout] test to_str::hwb_function::tests::to_hwb_function_str_percentage_alpha_channel ... ok
[INFO] [stdout] test to_str::hwb_function::tests::to_hwb_function_str_omit_alpha_never ... ok
[INFO] [stdout] test to_str::rgb_function::tests::to_rgb_function_str_number_alpha_channel ... ok
[INFO] [stdout] test to_str::rgb_function::tests::to_rgb_function_str_number_color_channel_decimals ... ok
[INFO] [stdout] test to_str::rgb_function::tests::to_rgb_function_str_omit_alpha_channel_non_opaque ... ok
[INFO] [stdout] test to_str::rgb_hex::tests::to_rgb_hex_str_shorthand_notation_never ... ok
[INFO] [stdout] test to_str::rgb_hex::tests::to_rgb_hex_str_shorthand_notation_possible ... ok
[INFO] [stdout] test to_str::rgb_hex::tests::to_rgb_hex_str_shorthand_notation_possible_alpha ... ok
[INFO] [stdout] test to_str::rgb_hex::tests::to_rgb_hex_str_uppercase ... ok
[INFO] [stdout] test util::tests::fits_in_u8_false_if_too_precise ... ok
[INFO] [stdout] test to_str::hsl_function::tests::to_hsl_function_str_omit_alpha_channel_non_opaque ... ok
[INFO] [stdout] test to_str::rgb_hex::tests::to_rgb_hex_str_omit_alpha_never ... ok
[INFO] [stdout] test to_str::rgb_hex::tests::to_rgb_hex_str_shorthand_notation_not_possible_alpha ... ok
[INFO] [stdout] test to_str::rgb_hex::tests::to_rgb_hex_str_shorthand_notation_not_possible ... ok
[INFO] [stdout] test util::tests::fits_in_u8_true_if_fitting ... ok
[INFO] [stdout] test util::tests::is_opaque_true_for_opaque ... ok
[INFO] [stdout] test util::tests::is_opaque_false_for_transparent ... ok
[INFO] [stdout] test to_str::hwb_function::tests::to_hwb_function_str_omit_alpha_channel_non_opaque ... ok
[INFO] [stdout] test to_str::rgb_function::tests::to_rgb_function_str_percentage_color_channel ... ok
[INFO] [stdout] test to_str::rgb_hex::tests::to_rgb_hex_str_omit_alpha_channel_opaque ... ok
[INFO] [stdout] test to_str::hsl_function::tests::to_hsl_function_str_omit_alpha_never ... ok
[INFO] [stdout] test to_str::rgb_hex::tests::to_rgb_hex_str_lowercase ... ok
[INFO] [stdout] test to_str::rgb_hex::tests::to_rgb_hex_str_omit_alpha_channel_non_opaque ... ok
[INFO] [stdout] test to_str::rgb_function::tests::to_rgb_function_str_percentage_alpha_channel ... ok
[INFO] [stdout] test to_str::rgb_function::tests::to_rgb_function_str_percentage_color_channel_decimals ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/colu-e6eb5157f4aff4f8)
[INFO] [stdout] test color_printing::tests::get_best_contrast_finds_result ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/color_utils_internal-59d5b1197177efb7)
[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] [stderr]    Doc-tests color-utils
[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] [stderr]    Doc-tests color-utils-internal
[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" "b7d2de599cb89df5bc11dce93282885be6a7fa11a89dbab4d481fa33a45e79b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d2de599cb89df5bc11dce93282885be6a7fa11a89dbab4d481fa33a45e79b3", kill_on_drop: false }`
[INFO] [stdout] b7d2de599cb89df5bc11dce93282885be6a7fa11a89dbab4d481fa33a45e79b3