[INFO] fetching crate younger_minigrep 0.1.0...
[INFO] testing younger_minigrep-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate younger_minigrep 0.1.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate younger_minigrep 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 younger_minigrep 0.1.0
[INFO] finished tweaking crates.io crate younger_minigrep 0.1.0
[INFO] tweaked toml for crates.io crate younger_minigrep 0.1.0 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate crates.io crate younger_minigrep 0.1.0 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] d33013e9dc1bc8f644d41f379ffd6ce198ca04b210b5f4ac53d778bcdf07bb47
[INFO] running `Command { std: "docker" "start" "-a" "d33013e9dc1bc8f644d41f379ffd6ce198ca04b210b5f4ac53d778bcdf07bb47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d33013e9dc1bc8f644d41f379ffd6ce198ca04b210b5f4ac53d778bcdf07bb47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d33013e9dc1bc8f644d41f379ffd6ce198ca04b210b5f4ac53d778bcdf07bb47", kill_on_drop: false }`
[INFO] [stdout] d33013e9dc1bc8f644d41f379ffd6ce198ca04b210b5f4ac53d778bcdf07bb47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] bdbe6b2d13ce37032c5b96fbd26924c02b94ec1a28ee203f3221017eba97d6ee
[INFO] running `Command { std: "docker" "start" "-a" "bdbe6b2d13ce37032c5b96fbd26924c02b94ec1a28ee203f3221017eba97d6ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling younger_minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "bdbe6b2d13ce37032c5b96fbd26924c02b94ec1a28ee203f3221017eba97d6ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdbe6b2d13ce37032c5b96fbd26924c02b94ec1a28ee203f3221017eba97d6ee", kill_on_drop: false }`
[INFO] [stdout] bdbe6b2d13ce37032c5b96fbd26924c02b94ec1a28ee203f3221017eba97d6ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] ac5234cbf13b5b8d796869a55d1c1951db321994d1a0ef3c6f3c20f855294684
[INFO] running `Command { std: "docker" "start" "-a" "ac5234cbf13b5b8d796869a55d1c1951db321994d1a0ef3c6f3c20f855294684", kill_on_drop: false }`
[INFO] [stderr]    Compiling younger_minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "ac5234cbf13b5b8d796869a55d1c1951db321994d1a0ef3c6f3c20f855294684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5234cbf13b5b8d796869a55d1c1951db321994d1a0ef3c6f3c20f855294684", kill_on_drop: false }`
[INFO] [stdout] ac5234cbf13b5b8d796869a55d1c1951db321994d1a0ef3c6f3c20f855294684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] fc3ac1e70dd513e0c0c6b0af231e535ee2c7831bf78d98a96ad28ce443ed8184
[INFO] running `Command { std: "docker" "start" "-a" "fc3ac1e70dd513e0c0c6b0af231e535ee2c7831bf78d98a96ad28ce443ed8184", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/younger_minigrep-3f7f5fd286b09e57)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/younger_minigrep-27af784388036c46)
[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 younger_minigrep
[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" "fc3ac1e70dd513e0c0c6b0af231e535ee2c7831bf78d98a96ad28ce443ed8184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc3ac1e70dd513e0c0c6b0af231e535ee2c7831bf78d98a96ad28ce443ed8184", kill_on_drop: false }`
[INFO] [stdout] fc3ac1e70dd513e0c0c6b0af231e535ee2c7831bf78d98a96ad28ce443ed8184