[INFO] fetching crate imagequant 3.0.4-alpha.2...
[INFO] testing imagequant-3.0.4-alpha.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate imagequant 3.0.4-alpha.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate imagequant 3.0.4-alpha.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imagequant 3.0.4-alpha.2
[INFO] finished tweaking crates.io crate imagequant 3.0.4-alpha.2
[INFO] tweaked toml for crates.io crate imagequant 3.0.4-alpha.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate imagequant 3.0.4-alpha.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openmp-sys v1.2.0-alpha.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49179d7b543599baa4278b5873a51eb92d1178047af5802f6f9d4ff6f976c31d
[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" "49179d7b543599baa4278b5873a51eb92d1178047af5802f6f9d4ff6f976c31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49179d7b543599baa4278b5873a51eb92d1178047af5802f6f9d4ff6f976c31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49179d7b543599baa4278b5873a51eb92d1178047af5802f6f9d4ff6f976c31d", kill_on_drop: false }`
[INFO] [stdout] 49179d7b543599baa4278b5873a51eb92d1178047af5802f6f9d4ff6f976c31d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2a12a63c6cec774c6769b6231e02b829ee51645a3651167090b24e47ca61490
[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" "c2a12a63c6cec774c6769b6231e02b829ee51645a3651167090b24e47ca61490", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.5.0
[INFO] [stderr]    Compiling imagequant-sys v3.0.4-alpha.2
[INFO] [stderr]    Compiling rgb v0.8.25
[INFO] [stderr]    Compiling imagequant v3.0.4-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "c2a12a63c6cec774c6769b6231e02b829ee51645a3651167090b24e47ca61490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a12a63c6cec774c6769b6231e02b829ee51645a3651167090b24e47ca61490", kill_on_drop: false }`
[INFO] [stdout] c2a12a63c6cec774c6769b6231e02b829ee51645a3651167090b24e47ca61490
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b36b9a7bc9ee6eca29a3904b0f5220c41de0d4051f5d3968d4be7e70f5e7e37f
[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" "b36b9a7bc9ee6eca29a3904b0f5220c41de0d4051f5d3968d4be7e70f5e7e37f", kill_on_drop: false }`
[INFO] [stderr]    Compiling imagequant v3.0.4-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "b36b9a7bc9ee6eca29a3904b0f5220c41de0d4051f5d3968d4be7e70f5e7e37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36b9a7bc9ee6eca29a3904b0f5220c41de0d4051f5d3968d4be7e70f5e7e37f", kill_on_drop: false }`
[INFO] [stdout] b36b9a7bc9ee6eca29a3904b0f5220c41de0d4051f5d3968d4be7e70f5e7e37f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfc26349377ba58b212865e5fefe142cca6694dabaf0d3d54a5e89d7a37639a1
[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" "dfc26349377ba58b212865e5fefe142cca6694dabaf0d3d54a5e89d7a37639a1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/imagequant-d7f2e841067aab2a)
[INFO] [stdout] test histogram ... ok
[INFO] [stdout] test takes_rgba ... ok
[INFO] [stdout] test copy_img ... ok
[INFO] [stdout] test callback_test ... ok
[INFO] [stderr]    Doc-tests imagequant
[INFO] [stdout] test set_importance_map ... ok
[INFO] [stdout] test poke_it ... ok
[INFO] [stdout] test thread ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[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" "dfc26349377ba58b212865e5fefe142cca6694dabaf0d3d54a5e89d7a37639a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc26349377ba58b212865e5fefe142cca6694dabaf0d3d54a5e89d7a37639a1", kill_on_drop: false }`
[INFO] [stdout] dfc26349377ba58b212865e5fefe142cca6694dabaf0d3d54a5e89d7a37639a1