[INFO] fetching crate mush 0.1.2...
[INFO] testing mush-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mush 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mush 0.1.2 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 mush 0.1.2
[INFO] finished tweaking crates.io crate mush 0.1.2
[INFO] tweaked toml for crates.io crate mush 0.1.2 written to /workspace/builds/worker-4/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d26a23b9497687067cdc54273bdefb07128b4bf752a8e2142ae323c5907ad68e
[INFO] running `Command { std: "docker" "start" "-a" "d26a23b9497687067cdc54273bdefb07128b4bf752a8e2142ae323c5907ad68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d26a23b9497687067cdc54273bdefb07128b4bf752a8e2142ae323c5907ad68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d26a23b9497687067cdc54273bdefb07128b4bf752a8e2142ae323c5907ad68e", kill_on_drop: false }`
[INFO] [stdout] d26a23b9497687067cdc54273bdefb07128b4bf752a8e2142ae323c5907ad68e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 499449abc706807730628983d8e8f5451a91183dff500fd9305dad87f51d7c4e
[INFO] running `Command { std: "docker" "start" "-a" "499449abc706807730628983d8e8f5451a91183dff500fd9305dad87f51d7c4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mush v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "499449abc706807730628983d8e8f5451a91183dff500fd9305dad87f51d7c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "499449abc706807730628983d8e8f5451a91183dff500fd9305dad87f51d7c4e", kill_on_drop: false }`
[INFO] [stdout] 499449abc706807730628983d8e8f5451a91183dff500fd9305dad87f51d7c4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 098200f9d6540479936dee13bcfa488ea5bd82206a5cf6e914c2c6678c8efffe
[INFO] running `Command { std: "docker" "start" "-a" "098200f9d6540479936dee13bcfa488ea5bd82206a5cf6e914c2c6678c8efffe", kill_on_drop: false }`
[INFO] [stderr]    Compiling mush v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "098200f9d6540479936dee13bcfa488ea5bd82206a5cf6e914c2c6678c8efffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "098200f9d6540479936dee13bcfa488ea5bd82206a5cf6e914c2c6678c8efffe", kill_on_drop: false }`
[INFO] [stdout] 098200f9d6540479936dee13bcfa488ea5bd82206a5cf6e914c2c6678c8efffe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c46e7f4d526d700c6b2123c2a1b4a1cc00247e462f816bdffd5dcbb2351ba7ce
[INFO] running `Command { std: "docker" "start" "-a" "c46e7f4d526d700c6b2123c2a1b4a1cc00247e462f816bdffd5dcbb2351ba7ce", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mush-ef785eb8a2696363)
[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]      Running tests/unit.rs (/opt/rustwide/target/debug/deps/unit-cf70fdf7872c9027)
[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 mush
[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" "c46e7f4d526d700c6b2123c2a1b4a1cc00247e462f816bdffd5dcbb2351ba7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46e7f4d526d700c6b2123c2a1b4a1cc00247e462f816bdffd5dcbb2351ba7ce", kill_on_drop: false }`
[INFO] [stdout] c46e7f4d526d700c6b2123c2a1b4a1cc00247e462f816bdffd5dcbb2351ba7ce