[INFO] fetching crate pngquant 0.0.0...
[INFO] testing pngquant-0.0.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate pngquant 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pngquant 0.0.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pngquant 0.0.0
[INFO] finished tweaking crates.io crate pngquant 0.0.0
[INFO] tweaked toml for crates.io crate pngquant 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8062d268913b29cd6688f727bca3f50e4a7563c6089b80cc25692d47e1851762
[INFO] running `Command { std: "docker" "start" "-a" "8062d268913b29cd6688f727bca3f50e4a7563c6089b80cc25692d47e1851762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8062d268913b29cd6688f727bca3f50e4a7563c6089b80cc25692d47e1851762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8062d268913b29cd6688f727bca3f50e4a7563c6089b80cc25692d47e1851762", kill_on_drop: false }`
[INFO] [stdout] 8062d268913b29cd6688f727bca3f50e4a7563c6089b80cc25692d47e1851762
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43eb82d5140fefd75c1f2d21f85e239e98f41e573774485d5f63dd3cec2d9cb3
[INFO] running `Command { std: "docker" "start" "-a" "43eb82d5140fefd75c1f2d21f85e239e98f41e573774485d5f63dd3cec2d9cb3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pngquant v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "43eb82d5140fefd75c1f2d21f85e239e98f41e573774485d5f63dd3cec2d9cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43eb82d5140fefd75c1f2d21f85e239e98f41e573774485d5f63dd3cec2d9cb3", kill_on_drop: false }`
[INFO] [stdout] 43eb82d5140fefd75c1f2d21f85e239e98f41e573774485d5f63dd3cec2d9cb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 871595fb09b45f76943455dda309121212deb14241a5bdb8adb6f079e859f0aa
[INFO] running `Command { std: "docker" "start" "-a" "871595fb09b45f76943455dda309121212deb14241a5bdb8adb6f079e859f0aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngquant v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "871595fb09b45f76943455dda309121212deb14241a5bdb8adb6f079e859f0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "871595fb09b45f76943455dda309121212deb14241a5bdb8adb6f079e859f0aa", kill_on_drop: false }`
[INFO] [stdout] 871595fb09b45f76943455dda309121212deb14241a5bdb8adb6f079e859f0aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8b25ccc71fc5f4ada265f8c809c0f13a0de6e7d8a05b7b85f1ec5f0cc46f798
[INFO] running `Command { std: "docker" "start" "-a" "f8b25ccc71fc5f4ada265f8c809c0f13a0de6e7d8a05b7b85f1ec5f0cc46f798", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pngquant-a545aabb58046578)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pngquant
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "f8b25ccc71fc5f4ada265f8c809c0f13a0de6e7d8a05b7b85f1ec5f0cc46f798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b25ccc71fc5f4ada265f8c809c0f13a0de6e7d8a05b7b85f1ec5f0cc46f798", kill_on_drop: false }`
[INFO] [stdout] f8b25ccc71fc5f4ada265f8c809c0f13a0de6e7d8a05b7b85f1ec5f0cc46f798