[INFO] fetching crate momo 0.2.1...
[INFO] testing momo-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate momo 0.2.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate momo 0.2.1 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 momo 0.2.1
[INFO] finished tweaking crates.io crate momo 0.2.1
[INFO] tweaked toml for crates.io crate momo 0.2.1 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate momo 0.2.1 already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded watt v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] cfae8f7a2f27328e1171ff6ca06b47fc4434dfc1b512966ad352758e93c859b3
[INFO] running `Command { std: "docker" "start" "-a" "cfae8f7a2f27328e1171ff6ca06b47fc4434dfc1b512966ad352758e93c859b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfae8f7a2f27328e1171ff6ca06b47fc4434dfc1b512966ad352758e93c859b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfae8f7a2f27328e1171ff6ca06b47fc4434dfc1b512966ad352758e93c859b3", kill_on_drop: false }`
[INFO] [stdout] cfae8f7a2f27328e1171ff6ca06b47fc4434dfc1b512966ad352758e93c859b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 560f703597c03ea16a272b59bfcadf54ad748a310614b15078ed466e790d4fd3
[INFO] running `Command { std: "docker" "start" "-a" "560f703597c03ea16a272b59bfcadf54ad748a310614b15078ed466e790d4fd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling watt v0.1.1
[INFO] [stderr]    Compiling momo v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "560f703597c03ea16a272b59bfcadf54ad748a310614b15078ed466e790d4fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "560f703597c03ea16a272b59bfcadf54ad748a310614b15078ed466e790d4fd3", kill_on_drop: false }`
[INFO] [stdout] 560f703597c03ea16a272b59bfcadf54ad748a310614b15078ed466e790d4fd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] b7eba9f408521f05258092dc1bf306ea615c32adfc0938548b4709bf2ad201b2
[INFO] running `Command { std: "docker" "start" "-a" "b7eba9f408521f05258092dc1bf306ea615c32adfc0938548b4709bf2ad201b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling momo v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `Command { std: "docker" "inspect" "b7eba9f408521f05258092dc1bf306ea615c32adfc0938548b4709bf2ad201b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7eba9f408521f05258092dc1bf306ea615c32adfc0938548b4709bf2ad201b2", kill_on_drop: false }`
[INFO] [stdout] b7eba9f408521f05258092dc1bf306ea615c32adfc0938548b4709bf2ad201b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] fe7b376bb1a10e22508af79b58f193c84beeaf3c350b2d265e1388d84948e4f1
[INFO] running `Command { std: "docker" "start" "-a" "fe7b376bb1a10e22508af79b58f193c84beeaf3c350b2d265e1388d84948e4f1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/momo-2f8985ce487d0e7d)
[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] [stderr]    Doc-tests momo
[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" "fe7b376bb1a10e22508af79b58f193c84beeaf3c350b2d265e1388d84948e4f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7b376bb1a10e22508af79b58f193c84beeaf3c350b2d265e1388d84948e4f1", kill_on_drop: false }`
[INFO] [stdout] fe7b376bb1a10e22508af79b58f193c84beeaf3c350b2d265e1388d84948e4f1