[INFO] fetching crate huffcomp 0.1.24...
[INFO] testing huffcomp-0.1.24 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate huffcomp 0.1.24 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate huffcomp 0.1.24 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate huffcomp 0.1.24
[INFO] finished tweaking crates.io crate huffcomp 0.1.24
[INFO] tweaked toml for crates.io crate huffcomp 0.1.24 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate huffcomp 0.1.24 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 685c48a45e84832205338e4e0aedf171b7ecb075ec50e951362203f73b1a2a11
[INFO] running `Command { std: "docker" "start" "-a" "685c48a45e84832205338e4e0aedf171b7ecb075ec50e951362203f73b1a2a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "685c48a45e84832205338e4e0aedf171b7ecb075ec50e951362203f73b1a2a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685c48a45e84832205338e4e0aedf171b7ecb075ec50e951362203f73b1a2a11", kill_on_drop: false }`
[INFO] [stdout] 685c48a45e84832205338e4e0aedf171b7ecb075ec50e951362203f73b1a2a11
[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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4223bbe7eab52b71589646389b3a3e9169679ee72db6b747264abf9239cfa1de
[INFO] running `Command { std: "docker" "start" "-a" "4223bbe7eab52b71589646389b3a3e9169679ee72db6b747264abf9239cfa1de", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling huffcomp v0.1.24 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.21s
[INFO] running `Command { std: "docker" "inspect" "4223bbe7eab52b71589646389b3a3e9169679ee72db6b747264abf9239cfa1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4223bbe7eab52b71589646389b3a3e9169679ee72db6b747264abf9239cfa1de", kill_on_drop: false }`
[INFO] [stdout] 4223bbe7eab52b71589646389b3a3e9169679ee72db6b747264abf9239cfa1de
[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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c21783261104d432065233621df46ac0bdfe13dcfa306f7c8ab06424271a58e5
[INFO] running `Command { std: "docker" "start" "-a" "c21783261104d432065233621df46ac0bdfe13dcfa306f7c8ab06424271a58e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffcomp v0.1.24 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "c21783261104d432065233621df46ac0bdfe13dcfa306f7c8ab06424271a58e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21783261104d432065233621df46ac0bdfe13dcfa306f7c8ab06424271a58e5", kill_on_drop: false }`
[INFO] [stdout] c21783261104d432065233621df46ac0bdfe13dcfa306f7c8ab06424271a58e5
[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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8ce5a7dd617041c4e28290bb1107601e3ae75a21b31a70ddbdbb12bf79e49be
[INFO] running `Command { std: "docker" "start" "-a" "d8ce5a7dd617041c4e28290bb1107601e3ae75a21b31a70ddbdbb12bf79e49be", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/huffcomp-c0d1d98e0f180b77)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/huffcomp-000fcb39b3630915)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests huffcomp
[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] [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" "d8ce5a7dd617041c4e28290bb1107601e3ae75a21b31a70ddbdbb12bf79e49be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8ce5a7dd617041c4e28290bb1107601e3ae75a21b31a70ddbdbb12bf79e49be", kill_on_drop: false }`
[INFO] [stdout] d8ce5a7dd617041c4e28290bb1107601e3ae75a21b31a70ddbdbb12bf79e49be