[INFO] fetching crate mdsh 0.6.0...
[INFO] testing mdsh-0.6.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mdsh 0.6.0 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate mdsh 0.6.0 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 mdsh 0.6.0
[INFO] finished tweaking crates.io crate mdsh 0.6.0
[INFO] tweaked toml for crates.io crate mdsh 0.6.0 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] crate crates.io crate mdsh 0.6.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] 40184f22a6a39d282d17072c6c88c5bbfab389c6a684f76d2612a64425fb5a65
[INFO] running `Command { std: "docker" "start" "-a" "40184f22a6a39d282d17072c6c88c5bbfab389c6a684f76d2612a64425fb5a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40184f22a6a39d282d17072c6c88c5bbfab389c6a684f76d2612a64425fb5a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40184f22a6a39d282d17072c6c88c5bbfab389c6a684f76d2612a64425fb5a65", kill_on_drop: false }`
[INFO] [stdout] 40184f22a6a39d282d17072c6c88c5bbfab389c6a684f76d2612a64425fb5a65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] 139732fa53623d6f9e8edeb4573ddf3a33a433a0fc4f4cf07abc0d34457ca766
[INFO] running `Command { std: "docker" "start" "-a" "139732fa53623d6f9e8edeb4573ddf3a33a433a0fc4f4cf07abc0d34457ca766", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling once_cell v1.7.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling mdsh v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:237:6
[INFO] [stdout]     |
[INFO] [stdout] 237 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.30s
[INFO] running `Command { std: "docker" "inspect" "139732fa53623d6f9e8edeb4573ddf3a33a433a0fc4f4cf07abc0d34457ca766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "139732fa53623d6f9e8edeb4573ddf3a33a433a0fc4f4cf07abc0d34457ca766", kill_on_drop: false }`
[INFO] [stdout] 139732fa53623d6f9e8edeb4573ddf3a33a433a0fc4f4cf07abc0d34457ca766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] b8b34d3ef3696d47a8d713234fbd4b514f197fcc8d6298e06dea5108cf3ace1a
[INFO] running `Command { std: "docker" "start" "-a" "b8b34d3ef3696d47a8d713234fbd4b514f197fcc8d6298e06dea5108cf3ace1a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mdsh v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:237:6
[INFO] [stdout]     |
[INFO] [stdout] 237 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "b8b34d3ef3696d47a8d713234fbd4b514f197fcc8d6298e06dea5108cf3ace1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b34d3ef3696d47a8d713234fbd4b514f197fcc8d6298e06dea5108cf3ace1a", kill_on_drop: false }`
[INFO] [stdout] b8b34d3ef3696d47a8d713234fbd4b514f197fcc8d6298e06dea5108cf3ace1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] 85a8548514537126befa53d4d11a1a9bc3c03905008a63ed3d6ae3b29bf43c91
[INFO] running `Command { std: "docker" "start" "-a" "85a8548514537126befa53d4d11a1a9bc3c03905008a63ed3d6ae3b29bf43c91", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/main.rs:237:6
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 237 |     };
[INFO] [stdout] 
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 0 tests
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: `mdsh` (bin "mdsh" test) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mdsh-13b40234f3313ff0)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mdsh-4f6429da06cec17b)
[INFO] [stderr]    Doc-tests mdsh
[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" "85a8548514537126befa53d4d11a1a9bc3c03905008a63ed3d6ae3b29bf43c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a8548514537126befa53d4d11a1a9bc3c03905008a63ed3d6ae3b29bf43c91", kill_on_drop: false }`
[INFO] [stdout] 85a8548514537126befa53d4d11a1a9bc3c03905008a63ed3d6ae3b29bf43c91