[INFO] fetching crate mmdu 0.2.2...
[INFO] testing mmdu-0.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mmdu 0.2.2 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate mmdu 0.2.2 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 mmdu 0.2.2
[INFO] finished tweaking crates.io crate mmdu 0.2.2
[INFO] tweaked toml for crates.io crate mmdu 0.2.2 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate crates.io crate mmdu 0.2.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] dede7de41e56b9170a27e9e5c0eb5d39d433ae41a859f3b4a195b171c7d4ba4f
[INFO] running `Command { std: "docker" "start" "-a" "dede7de41e56b9170a27e9e5c0eb5d39d433ae41a859f3b4a195b171c7d4ba4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dede7de41e56b9170a27e9e5c0eb5d39d433ae41a859f3b4a195b171c7d4ba4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dede7de41e56b9170a27e9e5c0eb5d39d433ae41a859f3b4a195b171c7d4ba4f", kill_on_drop: false }`
[INFO] [stdout] dede7de41e56b9170a27e9e5c0eb5d39d433ae41a859f3b4a195b171c7d4ba4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] e93aff907de6314f224cd8db16ca75a347aa5aef76bb6cb0c143371063bc0004
[INFO] running `Command { std: "docker" "start" "-a" "e93aff907de6314f224cd8db16ca75a347aa5aef76bb6cb0c143371063bc0004", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling bytesize v1.1.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling mmdu v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.55s
[INFO] running `Command { std: "docker" "inspect" "e93aff907de6314f224cd8db16ca75a347aa5aef76bb6cb0c143371063bc0004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93aff907de6314f224cd8db16ca75a347aa5aef76bb6cb0c143371063bc0004", kill_on_drop: false }`
[INFO] [stdout] e93aff907de6314f224cd8db16ca75a347aa5aef76bb6cb0c143371063bc0004
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] f251651a41a4c7f59c9a941aaae8cc68a262bcba844ce2043c087efe8950a73f
[INFO] running `Command { std: "docker" "start" "-a" "f251651a41a4c7f59c9a941aaae8cc68a262bcba844ce2043c087efe8950a73f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mmdu v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "f251651a41a4c7f59c9a941aaae8cc68a262bcba844ce2043c087efe8950a73f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f251651a41a4c7f59c9a941aaae8cc68a262bcba844ce2043c087efe8950a73f", kill_on_drop: false }`
[INFO] [stdout] f251651a41a4c7f59c9a941aaae8cc68a262bcba844ce2043c087efe8950a73f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 20d4c8104b757766abbaaf9b85958764bb3b33fc1299c62fa874fd07a4e4d7b5
[INFO] running `Command { std: "docker" "start" "-a" "20d4c8104b757766abbaaf9b85958764bb3b33fc1299c62fa874fd07a4e4d7b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mmdu-2f62189aaac3b119)
[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" "20d4c8104b757766abbaaf9b85958764bb3b33fc1299c62fa874fd07a4e4d7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d4c8104b757766abbaaf9b85958764bb3b33fc1299c62fa874fd07a4e4d7b5", kill_on_drop: false }`
[INFO] [stdout] 20d4c8104b757766abbaaf9b85958764bb3b33fc1299c62fa874fd07a4e4d7b5