[INFO] fetching crate imagequant 3.0.4-alpha.2...
[INFO] testing imagequant-3.0.4-alpha.2 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate imagequant 3.0.4-alpha.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate imagequant 3.0.4-alpha.2 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bc604a0a8bac252c6a2071ae0fcff81edf4aec017d423a3fffa55c341717f1c
[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" "5bc604a0a8bac252c6a2071ae0fcff81edf4aec017d423a3fffa55c341717f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bc604a0a8bac252c6a2071ae0fcff81edf4aec017d423a3fffa55c341717f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc604a0a8bac252c6a2071ae0fcff81edf4aec017d423a3fffa55c341717f1c", kill_on_drop: false }`
[INFO] [stdout] 5bc604a0a8bac252c6a2071ae0fcff81edf4aec017d423a3fffa55c341717f1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 0a3ff83f4544562f89cdaafd96b9f8530fa5a6dc99433a90aa4e2d14c45fe0db
[INFO] running `Command { std: "docker" "start" "-a" "0a3ff83f4544562f89cdaafd96b9f8530fa5a6dc99433a90aa4e2d14c45fe0db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[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 5.04s
[INFO] running `Command { std: "docker" "inspect" "0a3ff83f4544562f89cdaafd96b9f8530fa5a6dc99433a90aa4e2d14c45fe0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3ff83f4544562f89cdaafd96b9f8530fa5a6dc99433a90aa4e2d14c45fe0db", kill_on_drop: false }`
[INFO] [stdout] 0a3ff83f4544562f89cdaafd96b9f8530fa5a6dc99433a90aa4e2d14c45fe0db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 537ec9880f1630bd70f8b7a66a870b9b33c297b85b24dbd66fb2bf3264492280
[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" "537ec9880f1630bd70f8b7a66a870b9b33c297b85b24dbd66fb2bf3264492280", 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" "537ec9880f1630bd70f8b7a66a870b9b33c297b85b24dbd66fb2bf3264492280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537ec9880f1630bd70f8b7a66a870b9b33c297b85b24dbd66fb2bf3264492280", kill_on_drop: false }`
[INFO] [stdout] 537ec9880f1630bd70f8b7a66a870b9b33c297b85b24dbd66fb2bf3264492280
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0cf4c2c9e3b56f6dcc75b9cd4a0f744ec5ee70dacd4879a5fdaebcef62e6a562
[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" "0cf4c2c9e3b56f6dcc75b9cd4a0f744ec5ee70dacd4879a5fdaebcef62e6a562", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/imagequant-5ee9f84ae076dbf6)
[INFO] [stdout] test set_importance_map ... ok
[INFO] [stdout] test callback_test ... ok
[INFO] [stdout] test takes_rgba ... ok
[INFO] [stdout] test copy_img ... ok
[INFO] [stdout] test thread ... ok
[INFO] [stdout] test poke_it ... ok
[INFO] [stdout] test histogram ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests imagequant
[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" "0cf4c2c9e3b56f6dcc75b9cd4a0f744ec5ee70dacd4879a5fdaebcef62e6a562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf4c2c9e3b56f6dcc75b9cd4a0f744ec5ee70dacd4879a5fdaebcef62e6a562", kill_on_drop: false }`
[INFO] [stdout] 0cf4c2c9e3b56f6dcc75b9cd4a0f744ec5ee70dacd4879a5fdaebcef62e6a562