[INFO] fetching crate imagequant 2.13.0...
[INFO] testing imagequant-2.13.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate imagequant 2.13.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate imagequant 2.13.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imagequant 2.13.0
[INFO] finished tweaking crates.io crate imagequant 2.13.0
[INFO] tweaked toml for crates.io crate imagequant 2.13.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate imagequant 2.13.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d63f7d294b542bf2f57a860914c19d5c4c48216ab237dde66fb676e4e1ec9b20
[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" "d63f7d294b542bf2f57a860914c19d5c4c48216ab237dde66fb676e4e1ec9b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d63f7d294b542bf2f57a860914c19d5c4c48216ab237dde66fb676e4e1ec9b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d63f7d294b542bf2f57a860914c19d5c4c48216ab237dde66fb676e4e1ec9b20", kill_on_drop: false }`
[INFO] [stdout] d63f7d294b542bf2f57a860914c19d5c4c48216ab237dde66fb676e4e1ec9b20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac751c0ca07e75aad5b1338d3a31ed834525d54ecf7ab1e2f0bcacc8e269d5c3
[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" "ac751c0ca07e75aad5b1338d3a31ed834525d54ecf7ab1e2f0bcacc8e269d5c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling imagequant-sys v2.13.0
[INFO] [stderr]    Compiling imagequant v2.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.28s
[INFO] running `Command { std: "docker" "inspect" "ac751c0ca07e75aad5b1338d3a31ed834525d54ecf7ab1e2f0bcacc8e269d5c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac751c0ca07e75aad5b1338d3a31ed834525d54ecf7ab1e2f0bcacc8e269d5c3", kill_on_drop: false }`
[INFO] [stdout] ac751c0ca07e75aad5b1338d3a31ed834525d54ecf7ab1e2f0bcacc8e269d5c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] e5e3db4158714f61b8e987142ceb81a7da48e87d5228852121d454155a18108c
[INFO] running `Command { std: "docker" "start" "-a" "e5e3db4158714f61b8e987142ceb81a7da48e87d5228852121d454155a18108c", kill_on_drop: false }`
[INFO] [stderr]    Compiling imagequant v2.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "e5e3db4158714f61b8e987142ceb81a7da48e87d5228852121d454155a18108c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e3db4158714f61b8e987142ceb81a7da48e87d5228852121d454155a18108c", kill_on_drop: false }`
[INFO] [stdout] e5e3db4158714f61b8e987142ceb81a7da48e87d5228852121d454155a18108c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18db1e822b7fcf492ab0fcd1e39e05722215a5eb8b66b8af112ae23ca4768764
[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" "18db1e822b7fcf492ab0fcd1e39e05722215a5eb8b66b8af112ae23ca4768764", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/imagequant-4865119e2d26a12f
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test histogram ... ok
[INFO] [stdout] test callback_test ... ok
[INFO] [stdout] test thread ... ok
[INFO] [stdout] test takes_rgba ... ok
[INFO] [stdout] test poke_it ... ok
[INFO] [stdout] test set_importance_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18db1e822b7fcf492ab0fcd1e39e05722215a5eb8b66b8af112ae23ca4768764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18db1e822b7fcf492ab0fcd1e39e05722215a5eb8b66b8af112ae23ca4768764", kill_on_drop: false }`
[INFO] [stdout] 18db1e822b7fcf492ab0fcd1e39e05722215a5eb8b66b8af112ae23ca4768764