[INFO] fetching crate mls 0.0.1...
[INFO] testing mls-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mls 0.0.1 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate mls 0.0.1 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 mls 0.0.1
[INFO] finished tweaking crates.io crate mls 0.0.1
[INFO] tweaked toml for crates.io crate mls 0.0.1 written to /workspace/builds/worker-112/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-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] bbf355ba649fcd515ba45b4d2ca613b70fa170801a241b07ee447251fed216c3
[INFO] running `Command { std: "docker" "start" "-a" "bbf355ba649fcd515ba45b4d2ca613b70fa170801a241b07ee447251fed216c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbf355ba649fcd515ba45b4d2ca613b70fa170801a241b07ee447251fed216c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf355ba649fcd515ba45b4d2ca613b70fa170801a241b07ee447251fed216c3", kill_on_drop: false }`
[INFO] [stdout] bbf355ba649fcd515ba45b4d2ca613b70fa170801a241b07ee447251fed216c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 46f4fb083172d95e5159ec40ea01e7ee9b3e52d758f03f4b8b4608a899db39d0
[INFO] running `Command { std: "docker" "start" "-a" "46f4fb083172d95e5159ec40ea01e7ee9b3e52d758f03f4b8b4608a899db39d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mls v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "46f4fb083172d95e5159ec40ea01e7ee9b3e52d758f03f4b8b4608a899db39d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f4fb083172d95e5159ec40ea01e7ee9b3e52d758f03f4b8b4608a899db39d0", kill_on_drop: false }`
[INFO] [stdout] 46f4fb083172d95e5159ec40ea01e7ee9b3e52d758f03f4b8b4608a899db39d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] ff088311fdc7d610b6f0d2f9a241862f26657b0c40d4dfde40f0b7da51797d77
[INFO] running `Command { std: "docker" "start" "-a" "ff088311fdc7d610b6f0d2f9a241862f26657b0c40d4dfde40f0b7da51797d77", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mls v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "ff088311fdc7d610b6f0d2f9a241862f26657b0c40d4dfde40f0b7da51797d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff088311fdc7d610b6f0d2f9a241862f26657b0c40d4dfde40f0b7da51797d77", kill_on_drop: false }`
[INFO] [stdout] ff088311fdc7d610b6f0d2f9a241862f26657b0c40d4dfde40f0b7da51797d77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] aa6854844439ff4b8b0bb18d33b0931f8cad0f60197e4bce31c12df2a7ce952b
[INFO] running `Command { std: "docker" "start" "-a" "aa6854844439ff4b8b0bb18d33b0931f8cad0f60197e4bce31c12df2a7ce952b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mls-25fafcc7e7c527bb)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mls
[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" "aa6854844439ff4b8b0bb18d33b0931f8cad0f60197e4bce31c12df2a7ce952b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6854844439ff4b8b0bb18d33b0931f8cad0f60197e4bce31c12df2a7ce952b", kill_on_drop: false }`
[INFO] [stdout] aa6854844439ff4b8b0bb18d33b0931f8cad0f60197e4bce31c12df2a7ce952b