[INFO] fetching crate rust_loop 0.1.0...
[INFO] testing rust_loop-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rust_loop 0.1.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate rust_loop 0.1.0 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 rust_loop 0.1.0
[INFO] finished tweaking crates.io crate rust_loop 0.1.0
[INFO] tweaked toml for crates.io crate rust_loop 0.1.0 written to /workspace/builds/worker-19/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 585a229ecc442408315879d2e0a8c2a777c79bdd6e3935476d03552f1269ef0a
[INFO] running `Command { std: "docker" "start" "-a" "585a229ecc442408315879d2e0a8c2a777c79bdd6e3935476d03552f1269ef0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "585a229ecc442408315879d2e0a8c2a777c79bdd6e3935476d03552f1269ef0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "585a229ecc442408315879d2e0a8c2a777c79bdd6e3935476d03552f1269ef0a", kill_on_drop: false }`
[INFO] [stdout] 585a229ecc442408315879d2e0a8c2a777c79bdd6e3935476d03552f1269ef0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 470c0752aedf8f36e1c1cdb7ee554f59e8ea99f833c2ceca708923095202c682
[INFO] running `Command { std: "docker" "start" "-a" "470c0752aedf8f36e1c1cdb7ee554f59e8ea99f833c2ceca708923095202c682", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_loop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "470c0752aedf8f36e1c1cdb7ee554f59e8ea99f833c2ceca708923095202c682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470c0752aedf8f36e1c1cdb7ee554f59e8ea99f833c2ceca708923095202c682", kill_on_drop: false }`
[INFO] [stdout] 470c0752aedf8f36e1c1cdb7ee554f59e8ea99f833c2ceca708923095202c682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 085526d6cd0c44e7ac93ca669f50ae1ce772e11e11f03eee21e9f0b3846c8ac4
[INFO] running `Command { std: "docker" "start" "-a" "085526d6cd0c44e7ac93ca669f50ae1ce772e11e11f03eee21e9f0b3846c8ac4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_loop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "085526d6cd0c44e7ac93ca669f50ae1ce772e11e11f03eee21e9f0b3846c8ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085526d6cd0c44e7ac93ca669f50ae1ce772e11e11f03eee21e9f0b3846c8ac4", kill_on_drop: false }`
[INFO] [stdout] 085526d6cd0c44e7ac93ca669f50ae1ce772e11e11f03eee21e9f0b3846c8ac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 89e2c979e5b9449d2ed02367983a82d9cfe40eba605146c442da1a55aea5311e
[INFO] running `Command { std: "docker" "start" "-a" "89e2c979e5b9449d2ed02367983a82d9cfe40eba605146c442da1a55aea5311e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_loop-778ca861d15964d5)
[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] [stderr]    Doc-tests rust_loop
[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" "89e2c979e5b9449d2ed02367983a82d9cfe40eba605146c442da1a55aea5311e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e2c979e5b9449d2ed02367983a82d9cfe40eba605146c442da1a55aea5311e", kill_on_drop: false }`
[INFO] [stdout] 89e2c979e5b9449d2ed02367983a82d9cfe40eba605146c442da1a55aea5311e