[INFO] fetching crate slayer 0.1.0...
[INFO] testing slayer-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate slayer 0.1.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate slayer 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slayer 0.1.0
[INFO] finished tweaking crates.io crate slayer 0.1.0
[INFO] tweaked toml for crates.io crate slayer 0.1.0 written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4ce00dcef70bd5e11f728eb027714e96b75529748703bfff4f8ed43ffabc148
[INFO] running `Command { std: "docker" "start" "-a" "b4ce00dcef70bd5e11f728eb027714e96b75529748703bfff4f8ed43ffabc148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4ce00dcef70bd5e11f728eb027714e96b75529748703bfff4f8ed43ffabc148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ce00dcef70bd5e11f728eb027714e96b75529748703bfff4f8ed43ffabc148", kill_on_drop: false }`
[INFO] [stdout] b4ce00dcef70bd5e11f728eb027714e96b75529748703bfff4f8ed43ffabc148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a7b792332ffaddeafd091cb46f769fae3da9a6a34fc438ae5053b758d86f579
[INFO] running `Command { std: "docker" "start" "-a" "9a7b792332ffaddeafd091cb46f769fae3da9a6a34fc438ae5053b758d86f579", kill_on_drop: false }`
[INFO] [stderr]    Compiling slayer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "9a7b792332ffaddeafd091cb46f769fae3da9a6a34fc438ae5053b758d86f579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7b792332ffaddeafd091cb46f769fae3da9a6a34fc438ae5053b758d86f579", kill_on_drop: false }`
[INFO] [stdout] 9a7b792332ffaddeafd091cb46f769fae3da9a6a34fc438ae5053b758d86f579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d489322a7224645edf094d18d2cb6239c03671a9797357f1acf3343bf28ebbd5
[INFO] running `Command { std: "docker" "start" "-a" "d489322a7224645edf094d18d2cb6239c03671a9797357f1acf3343bf28ebbd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling slayer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "d489322a7224645edf094d18d2cb6239c03671a9797357f1acf3343bf28ebbd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d489322a7224645edf094d18d2cb6239c03671a9797357f1acf3343bf28ebbd5", kill_on_drop: false }`
[INFO] [stdout] d489322a7224645edf094d18d2cb6239c03671a9797357f1acf3343bf28ebbd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 832b8215913e25f53b306a712e166bb7a0b2c96099738610debfa9c7afdbbbd8
[INFO] running `Command { std: "docker" "start" "-a" "832b8215913e25f53b306a712e166bb7a0b2c96099738610debfa9c7afdbbbd8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slayer-0407ed7dc94e6003)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests slayer
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "832b8215913e25f53b306a712e166bb7a0b2c96099738610debfa9c7afdbbbd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "832b8215913e25f53b306a712e166bb7a0b2c96099738610debfa9c7afdbbbd8", kill_on_drop: false }`
[INFO] [stdout] 832b8215913e25f53b306a712e166bb7a0b2c96099738610debfa9c7afdbbbd8