[INFO] fetching crate sludge 0.0.0...
[INFO] testing sludge-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate sludge 0.0.0 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate sludge 0.0.0 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 sludge 0.0.0
[INFO] finished tweaking crates.io crate sludge 0.0.0
[INFO] tweaked toml for crates.io crate sludge 0.0.0 written to /workspace/builds/worker-72/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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 93a5bdc0dcad3a0a9577818245e5947fb0b2a56c47cfb8d0ad900e1eb5585485
[INFO] running `Command { std: "docker" "start" "-a" "93a5bdc0dcad3a0a9577818245e5947fb0b2a56c47cfb8d0ad900e1eb5585485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93a5bdc0dcad3a0a9577818245e5947fb0b2a56c47cfb8d0ad900e1eb5585485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93a5bdc0dcad3a0a9577818245e5947fb0b2a56c47cfb8d0ad900e1eb5585485", kill_on_drop: false }`
[INFO] [stdout] 93a5bdc0dcad3a0a9577818245e5947fb0b2a56c47cfb8d0ad900e1eb5585485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] edf50f05079958dc53a6f211106096ec810ee2c569c0b318be00f01331354ba8
[INFO] running `Command { std: "docker" "start" "-a" "edf50f05079958dc53a6f211106096ec810ee2c569c0b318be00f01331354ba8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling extreme v666.666.666666
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling rio v0.9.4
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling sled v0.31.0
[INFO] [stderr]    Compiling sludge v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.83s
[INFO] running `Command { std: "docker" "inspect" "edf50f05079958dc53a6f211106096ec810ee2c569c0b318be00f01331354ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf50f05079958dc53a6f211106096ec810ee2c569c0b318be00f01331354ba8", kill_on_drop: false }`
[INFO] [stdout] edf50f05079958dc53a6f211106096ec810ee2c569c0b318be00f01331354ba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 8f1af0006da2b5c31ce511c9a430638515ecb8ed0d214a16cdce7e0165064801
[INFO] running `Command { std: "docker" "start" "-a" "8f1af0006da2b5c31ce511c9a430638515ecb8ed0d214a16cdce7e0165064801", kill_on_drop: false }`
[INFO] [stderr]    Compiling sludge v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "8f1af0006da2b5c31ce511c9a430638515ecb8ed0d214a16cdce7e0165064801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1af0006da2b5c31ce511c9a430638515ecb8ed0d214a16cdce7e0165064801", kill_on_drop: false }`
[INFO] [stdout] 8f1af0006da2b5c31ce511c9a430638515ecb8ed0d214a16cdce7e0165064801
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] b61b2f7e21dfdd336c89423d6b8d7c82eecd6afda75da4d3766937d8f3d7ad29
[INFO] running `Command { std: "docker" "start" "-a" "b61b2f7e21dfdd336c89423d6b8d7c82eecd6afda75da4d3766937d8f3d7ad29", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sludge-08be15bec9513ba7)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests sludge
[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" "b61b2f7e21dfdd336c89423d6b8d7c82eecd6afda75da4d3766937d8f3d7ad29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b61b2f7e21dfdd336c89423d6b8d7c82eecd6afda75da4d3766937d8f3d7ad29", kill_on_drop: false }`
[INFO] [stdout] b61b2f7e21dfdd336c89423d6b8d7c82eecd6afda75da4d3766937d8f3d7ad29