[INFO] fetching crate mdo 0.3.0...
[INFO] testing mdo-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate mdo 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mdo 0.3.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdo 0.3.0
[INFO] finished tweaking crates.io crate mdo 0.3.0
[INFO] tweaked toml for crates.io crate mdo 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-2022-02-22" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c55bfe1e28ad38383d09f617d0772523c5b271ced5c9a8fc054f00e514d8d9d8
[INFO] running `Command { std: "docker" "start" "-a" "c55bfe1e28ad38383d09f617d0772523c5b271ced5c9a8fc054f00e514d8d9d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c55bfe1e28ad38383d09f617d0772523c5b271ced5c9a8fc054f00e514d8d9d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55bfe1e28ad38383d09f617d0772523c5b271ced5c9a8fc054f00e514d8d9d8", kill_on_drop: false }`
[INFO] [stdout] c55bfe1e28ad38383d09f617d0772523c5b271ced5c9a8fc054f00e514d8d9d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63360d5138bcd8feb162b217e00aac89f38ee8f9df02f3055b5fab0a49007ae2
[INFO] running `Command { std: "docker" "start" "-a" "63360d5138bcd8feb162b217e00aac89f38ee8f9df02f3055b5fab0a49007ae2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdo v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "63360d5138bcd8feb162b217e00aac89f38ee8f9df02f3055b5fab0a49007ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63360d5138bcd8feb162b217e00aac89f38ee8f9df02f3055b5fab0a49007ae2", kill_on_drop: false }`
[INFO] [stdout] 63360d5138bcd8feb162b217e00aac89f38ee8f9df02f3055b5fab0a49007ae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9044486526d1700882bd699875dd41b0945782040f6eb0bf10b25b15789efe6
[INFO] running `Command { std: "docker" "start" "-a" "d9044486526d1700882bd699875dd41b0945782040f6eb0bf10b25b15789efe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdo v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "d9044486526d1700882bd699875dd41b0945782040f6eb0bf10b25b15789efe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9044486526d1700882bd699875dd41b0945782040f6eb0bf10b25b15789efe6", kill_on_drop: false }`
[INFO] [stdout] d9044486526d1700882bd699875dd41b0945782040f6eb0bf10b25b15789efe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82ee44fa9203fe76f0e07d575085bb4c7e7d5649157aa605710b916b6003e146
[INFO] running `Command { std: "docker" "start" "-a" "82ee44fa9203fe76f0e07d575085bb4c7e7d5649157aa605710b916b6003e146", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mdo-d2f981ad044cb52d)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::ign_trick ... ok
[INFO] [stdout] test tests::iter_bind ... ok
[INFO] [stdout] test tests::iter_ignore ... ok
[INFO] [stdout] test tests::iter_mdo ... ok
[INFO] [stdout] test tests::mdo_doc_example ... ok
[INFO] [stdout] test tests::let_type ... ok
[INFO] [stdout] test tests::option_bind ... ok
[INFO] [stdout] test tests::option_mdo ... ok
[INFO] [stdout] test tests::ret_trick ... ok
[INFO] [stdout] test tests::when_trick ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mdo
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - mdo (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "82ee44fa9203fe76f0e07d575085bb4c7e7d5649157aa605710b916b6003e146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ee44fa9203fe76f0e07d575085bb4c7e7d5649157aa605710b916b6003e146", kill_on_drop: false }`
[INFO] [stdout] 82ee44fa9203fe76f0e07d575085bb4c7e7d5649157aa605710b916b6003e146