[INFO] fetching crate mirir 0.1.0...
[INFO] testing mirir-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mirir 0.1.0 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate mirir 0.1.0 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 mirir 0.1.0
[INFO] finished tweaking crates.io crate mirir 0.1.0
[INFO] tweaked toml for crates.io crate mirir 0.1.0 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] crate crates.io crate mirir 0.1.0 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-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 9a42c716d8cfff7461754d5d32dca102687ff2bde6875b961fb21dadd16470ed
[INFO] running `Command { std: "docker" "start" "-a" "9a42c716d8cfff7461754d5d32dca102687ff2bde6875b961fb21dadd16470ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a42c716d8cfff7461754d5d32dca102687ff2bde6875b961fb21dadd16470ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a42c716d8cfff7461754d5d32dca102687ff2bde6875b961fb21dadd16470ed", kill_on_drop: false }`
[INFO] [stdout] 9a42c716d8cfff7461754d5d32dca102687ff2bde6875b961fb21dadd16470ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 9c521dbb74d93673d4c0c6c76220202964790ed1ece42ff8df55e901a981fdd8
[INFO] running `Command { std: "docker" "start" "-a" "9c521dbb74d93673d4c0c6c76220202964790ed1ece42ff8df55e901a981fdd8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mirir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "9c521dbb74d93673d4c0c6c76220202964790ed1ece42ff8df55e901a981fdd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c521dbb74d93673d4c0c6c76220202964790ed1ece42ff8df55e901a981fdd8", kill_on_drop: false }`
[INFO] [stdout] 9c521dbb74d93673d4c0c6c76220202964790ed1ece42ff8df55e901a981fdd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] e084404d0311c51f2d736597976d9149e15e25227b22cb092029ea6227a4230e
[INFO] running `Command { std: "docker" "start" "-a" "e084404d0311c51f2d736597976d9149e15e25227b22cb092029ea6227a4230e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mirir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "e084404d0311c51f2d736597976d9149e15e25227b22cb092029ea6227a4230e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e084404d0311c51f2d736597976d9149e15e25227b22cb092029ea6227a4230e", kill_on_drop: false }`
[INFO] [stdout] e084404d0311c51f2d736597976d9149e15e25227b22cb092029ea6227a4230e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 7e8be5379c4dd89a0d138503049741a2e545043688856148cf8e1fd285ba5b7f
[INFO] running `Command { std: "docker" "start" "-a" "7e8be5379c4dd89a0d138503049741a2e545043688856148cf8e1fd285ba5b7f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mirir-a7732c8b92023a6c)
[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" "7e8be5379c4dd89a0d138503049741a2e545043688856148cf8e1fd285ba5b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8be5379c4dd89a0d138503049741a2e545043688856148cf8e1fd285ba5b7f", kill_on_drop: false }`
[INFO] [stdout] 7e8be5379c4dd89a0d138503049741a2e545043688856148cf8e1fd285ba5b7f