[INFO] fetching crate colorskill 1.1.3...
[INFO] testing colorskill-1.1.3 against master#0d13f6afeba4935499abe0c9a07426c94492c94e for pr-96025
[INFO] extracting crate colorskill 1.1.3 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate colorskill 1.1.3 on toolchain 0d13f6afeba4935499abe0c9a07426c94492c94e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate colorskill 1.1.3
[INFO] finished tweaking crates.io crate colorskill 1.1.3
[INFO] tweaked toml for crates.io crate colorskill 1.1.3 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colorsys v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 309d6dcb9930fb645dbac315085406b6e58b1036bea1594891b64da8a8894043
[INFO] running `Command { std: "docker" "start" "-a" "309d6dcb9930fb645dbac315085406b6e58b1036bea1594891b64da8a8894043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "309d6dcb9930fb645dbac315085406b6e58b1036bea1594891b64da8a8894043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "309d6dcb9930fb645dbac315085406b6e58b1036bea1594891b64da8a8894043", kill_on_drop: false }`
[INFO] [stdout] 309d6dcb9930fb645dbac315085406b6e58b1036bea1594891b64da8a8894043
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2394ef75aa7104cf0a02f02a375c311554625d5345cc25ae50d13df374c43a4
[INFO] running `Command { std: "docker" "start" "-a" "b2394ef75aa7104cf0a02f02a375c311554625d5345cc25ae50d13df374c43a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling colorsys v0.5.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling colorskill v1.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "b2394ef75aa7104cf0a02f02a375c311554625d5345cc25ae50d13df374c43a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2394ef75aa7104cf0a02f02a375c311554625d5345cc25ae50d13df374c43a4", kill_on_drop: false }`
[INFO] [stdout] b2394ef75aa7104cf0a02f02a375c311554625d5345cc25ae50d13df374c43a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0db8ab9d03659992e71d1c9374692f704bb5985abafc61f1e90ff0cff512e91a
[INFO] running `Command { std: "docker" "start" "-a" "0db8ab9d03659992e71d1c9374692f704bb5985abafc61f1e90ff0cff512e91a", kill_on_drop: false }`
[INFO] [stderr]    Compiling colorskill v1.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/colorskill-49d2b41a5d4897df)
[INFO] [stderr]   Executable tests/integration.rs (/opt/rustwide/target/debug/deps/integration-690559f30c1b3873)
[INFO] running `Command { std: "docker" "inspect" "0db8ab9d03659992e71d1c9374692f704bb5985abafc61f1e90ff0cff512e91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db8ab9d03659992e71d1c9374692f704bb5985abafc61f1e90ff0cff512e91a", kill_on_drop: false }`
[INFO] [stdout] 0db8ab9d03659992e71d1c9374692f704bb5985abafc61f1e90ff0cff512e91a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba5cba9991d345f3afa269c885426098ad412b6182fdda4a57a5a18d5b3c787c
[INFO] running `Command { std: "docker" "start" "-a" "ba5cba9991d345f3afa269c885426098ad412b6182fdda4a57a5a18d5b3c787c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/colorskill-49d2b41a5d4897df)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test rgb::tests::rgb_test ... ok
[INFO] [stdout] test tests::hsl_test ... ok
[INFO] [stdout] test utils::tests::utils_test ... ok
[INFO] [stdout] test tests::name_exists_test ... ok
[INFO] [stdout] test tests::name_test ... ok
[INFO] [stdout] test tests::string_test ... ok
[INFO] [stdout] test tests::lightness_test ... ok
[INFO] [stdout] test tests::random_test ... ok
[INFO] [stdout] test tests::parse_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-690559f30c1b3873)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test integration_test ... 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]    Doc-tests colorskill
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test src/lib.rs - color_to_string_3 (line 370) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name colorskill --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern colorskill=/opt/rustwide/target/debug/deps/libcolorskill-e36b46b9c58fd4a2.rlib --extern colorsys=/opt/rustwide/target/debug/deps/libcolorsys-95de326f7ecb3c13.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-493a60d7d9b37799.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ba5cba9991d345f3afa269c885426098ad412b6182fdda4a57a5a18d5b3c787c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba5cba9991d345f3afa269c885426098ad412b6182fdda4a57a5a18d5b3c787c", kill_on_drop: false }`
[INFO] [stdout] ba5cba9991d345f3afa269c885426098ad412b6182fdda4a57a5a18d5b3c787c