[INFO] fetching crate wambda 0.0.0...
[INFO] testing wambda-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wambda 0.0.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate wambda 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 wambda 0.0.0
[INFO] finished tweaking crates.io crate wambda 0.0.0
[INFO] tweaked toml for crates.io crate wambda 0.0.0 written to /workspace/builds/worker-19/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] d001da4338dfa18e557c7f55ba33768d903409d829693377bdd95ef11c58263b
[INFO] running `Command { std: "docker" "start" "-a" "d001da4338dfa18e557c7f55ba33768d903409d829693377bdd95ef11c58263b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d001da4338dfa18e557c7f55ba33768d903409d829693377bdd95ef11c58263b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d001da4338dfa18e557c7f55ba33768d903409d829693377bdd95ef11c58263b", kill_on_drop: false }`
[INFO] [stdout] d001da4338dfa18e557c7f55ba33768d903409d829693377bdd95ef11c58263b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 0069bb31110e69815821d41603c2cf4db3847f80675207293b95718ff1a6a6f9
[INFO] running `Command { std: "docker" "start" "-a" "0069bb31110e69815821d41603c2cf4db3847f80675207293b95718ff1a6a6f9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wambda v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "0069bb31110e69815821d41603c2cf4db3847f80675207293b95718ff1a6a6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0069bb31110e69815821d41603c2cf4db3847f80675207293b95718ff1a6a6f9", kill_on_drop: false }`
[INFO] [stdout] 0069bb31110e69815821d41603c2cf4db3847f80675207293b95718ff1a6a6f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] b4ab2beb6db147d3311e30301a35e33a73a806c204be567a47778d956dda7097
[INFO] running `Command { std: "docker" "start" "-a" "b4ab2beb6db147d3311e30301a35e33a73a806c204be567a47778d956dda7097", kill_on_drop: false }`
[INFO] [stderr]    Compiling wambda v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "b4ab2beb6db147d3311e30301a35e33a73a806c204be567a47778d956dda7097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ab2beb6db147d3311e30301a35e33a73a806c204be567a47778d956dda7097", kill_on_drop: false }`
[INFO] [stdout] b4ab2beb6db147d3311e30301a35e33a73a806c204be567a47778d956dda7097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 2d03f1a145f5136a0fcd63a6e62cf2046e989106502e7e3c52c0eceb865b0b70
[INFO] running `Command { std: "docker" "start" "-a" "2d03f1a145f5136a0fcd63a6e62cf2046e989106502e7e3c52c0eceb865b0b70", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wambda-f4452ad9ebca6ae5)
[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" "2d03f1a145f5136a0fcd63a6e62cf2046e989106502e7e3c52c0eceb865b0b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d03f1a145f5136a0fcd63a6e62cf2046e989106502e7e3c52c0eceb865b0b70", kill_on_drop: false }`
[INFO] [stdout] 2d03f1a145f5136a0fcd63a6e62cf2046e989106502e7e3c52c0eceb865b0b70