[INFO] fetching crate imagequant 3.0.4-alpha.2...
[INFO] testing imagequant-3.0.4-alpha.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate imagequant 3.0.4-alpha.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate imagequant 3.0.4-alpha.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 397fad94e315dd79c51bca90c1de4421c9ed1c0666db2559ea394a3bcfdd136b
[INFO] running `Command { std: "docker" "start" "-a" "397fad94e315dd79c51bca90c1de4421c9ed1c0666db2559ea394a3bcfdd136b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "397fad94e315dd79c51bca90c1de4421c9ed1c0666db2559ea394a3bcfdd136b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397fad94e315dd79c51bca90c1de4421c9ed1c0666db2559ea394a3bcfdd136b", kill_on_drop: false }`
[INFO] [stdout] 397fad94e315dd79c51bca90c1de4421c9ed1c0666db2559ea394a3bcfdd136b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02d5bdf97fc6907cc889d53b0430d3c90f258559804bac135bf82660f5f50ae5
[INFO] running `Command { std: "docker" "start" "-a" "02d5bdf97fc6907cc889d53b0430d3c90f258559804bac135bf82660f5f50ae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling bytemuck v1.5.0
[INFO] [stderr]    Compiling rgb v0.8.25
[INFO] [stderr]    Compiling imagequant-sys v3.0.4-alpha.2
[INFO] [stderr]    Compiling imagequant v3.0.4-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.31s
[INFO] running `Command { std: "docker" "inspect" "02d5bdf97fc6907cc889d53b0430d3c90f258559804bac135bf82660f5f50ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d5bdf97fc6907cc889d53b0430d3c90f258559804bac135bf82660f5f50ae5", kill_on_drop: false }`
[INFO] [stdout] 02d5bdf97fc6907cc889d53b0430d3c90f258559804bac135bf82660f5f50ae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 786739e396ec087490f6cabf9f303a94cd81aee9c1523a29d452297275da7ef1
[INFO] running `Command { std: "docker" "start" "-a" "786739e396ec087490f6cabf9f303a94cd81aee9c1523a29d452297275da7ef1", 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 1.26s
[INFO] running `Command { std: "docker" "inspect" "786739e396ec087490f6cabf9f303a94cd81aee9c1523a29d452297275da7ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786739e396ec087490f6cabf9f303a94cd81aee9c1523a29d452297275da7ef1", kill_on_drop: false }`
[INFO] [stdout] 786739e396ec087490f6cabf9f303a94cd81aee9c1523a29d452297275da7ef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cacf54c54a2943b329ebfba4b9adef805b34248bef22cd98fd9126ef7d412f50
[INFO] running `Command { std: "docker" "start" "-a" "cacf54c54a2943b329ebfba4b9adef805b34248bef22cd98fd9126ef7d412f50", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/imagequant-5ee9f84ae076dbf6)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stderr]    Doc-tests imagequant
[INFO] [stdout] test set_importance_map ... ok
[INFO] [stdout] test poke_it ... ok
[INFO] [stdout] test callback_test ... ok
[INFO] [stdout] test takes_rgba ... ok
[INFO] [stdout] test copy_img ... ok
[INFO] [stdout] test histogram ... 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 0.01s
[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" "cacf54c54a2943b329ebfba4b9adef805b34248bef22cd98fd9126ef7d412f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cacf54c54a2943b329ebfba4b9adef805b34248bef22cd98fd9126ef7d412f50", kill_on_drop: false }`
[INFO] [stdout] cacf54c54a2943b329ebfba4b9adef805b34248bef22cd98fd9126ef7d412f50