[INFO] fetching crate mumlib 0.4.0...
[INFO] testing mumlib-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mumlib 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate mumlib 0.4.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mumlib 0.4.0
[INFO] finished tweaking crates.io crate mumlib 0.4.0
[INFO] tweaked toml for crates.io crate mumlib 0.4.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4eca8c99a33eaf7e72d042e1dbe667debb98f817cca27fd6baf5166041f9d656
[INFO] running `Command { std: "docker" "start" "-a" "4eca8c99a33eaf7e72d042e1dbe667debb98f817cca27fd6baf5166041f9d656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4eca8c99a33eaf7e72d042e1dbe667debb98f817cca27fd6baf5166041f9d656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eca8c99a33eaf7e72d042e1dbe667debb98f817cca27fd6baf5166041f9d656", kill_on_drop: false }`
[INFO] [stdout] 4eca8c99a33eaf7e72d042e1dbe667debb98f817cca27fd6baf5166041f9d656
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35decc46bf5092cb159cf680a84a72dcaed09c064c3ea5bda6538865cef29521
[INFO] running `Command { std: "docker" "start" "-a" "35decc46bf5092cb159cf680a84a72dcaed09c064c3ea5bda6538865cef29521", kill_on_drop: false }`
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling fern v0.6.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling mumlib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.73s
[INFO] running `Command { std: "docker" "inspect" "35decc46bf5092cb159cf680a84a72dcaed09c064c3ea5bda6538865cef29521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35decc46bf5092cb159cf680a84a72dcaed09c064c3ea5bda6538865cef29521", kill_on_drop: false }`
[INFO] [stdout] 35decc46bf5092cb159cf680a84a72dcaed09c064c3ea5bda6538865cef29521
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f567b1622b8a46a61a38cc481ffe584315e478cabf62c4fae793502075db55d
[INFO] running `Command { std: "docker" "start" "-a" "4f567b1622b8a46a61a38cc481ffe584315e478cabf62c4fae793502075db55d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mumlib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "4f567b1622b8a46a61a38cc481ffe584315e478cabf62c4fae793502075db55d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f567b1622b8a46a61a38cc481ffe584315e478cabf62c4fae793502075db55d", kill_on_drop: false }`
[INFO] [stdout] 4f567b1622b8a46a61a38cc481ffe584315e478cabf62c4fae793502075db55d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd5e0f1755a7d543205542c8a8c006afae5600e2548ba5b15cacbe5a7b81e442
[INFO] running `Command { std: "docker" "start" "-a" "dd5e0f1755a7d543205542c8a8c006afae5600e2548ba5b15cacbe5a7b81e442", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mumlib-a0b16fb562c4d1ec)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mumlib
[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] [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" "dd5e0f1755a7d543205542c8a8c006afae5600e2548ba5b15cacbe5a7b81e442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5e0f1755a7d543205542c8a8c006afae5600e2548ba5b15cacbe5a7b81e442", kill_on_drop: false }`
[INFO] [stdout] dd5e0f1755a7d543205542c8a8c006afae5600e2548ba5b15cacbe5a7b81e442