[INFO] fetching crate practicegrep 0.1.0...
[INFO] testing practicegrep-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate practicegrep 0.1.0 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate practicegrep 0.1.0 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 practicegrep 0.1.0
[INFO] finished tweaking crates.io crate practicegrep 0.1.0
[INFO] tweaked toml for crates.io crate practicegrep 0.1.0 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] crate crates.io crate practicegrep 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 574ab610a1ceb22523cd3c110262ca5d04a81aad60aceb920c3d9ea84cb5afe0
[INFO] running `Command { std: "docker" "start" "-a" "574ab610a1ceb22523cd3c110262ca5d04a81aad60aceb920c3d9ea84cb5afe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "574ab610a1ceb22523cd3c110262ca5d04a81aad60aceb920c3d9ea84cb5afe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "574ab610a1ceb22523cd3c110262ca5d04a81aad60aceb920c3d9ea84cb5afe0", kill_on_drop: false }`
[INFO] [stdout] 574ab610a1ceb22523cd3c110262ca5d04a81aad60aceb920c3d9ea84cb5afe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] ef8cb49e3d33e2fc66f6ad2ba73e3ba950304e123699f7b3989f985a0837a3bf
[INFO] running `Command { std: "docker" "start" "-a" "ef8cb49e3d33e2fc66f6ad2ba73e3ba950304e123699f7b3989f985a0837a3bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling practicegrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "ef8cb49e3d33e2fc66f6ad2ba73e3ba950304e123699f7b3989f985a0837a3bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef8cb49e3d33e2fc66f6ad2ba73e3ba950304e123699f7b3989f985a0837a3bf", kill_on_drop: false }`
[INFO] [stdout] ef8cb49e3d33e2fc66f6ad2ba73e3ba950304e123699f7b3989f985a0837a3bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 5a010e5563da471b419ab60f121f235f66cea02dfae3e15132dcbbfc02946b14
[INFO] running `Command { std: "docker" "start" "-a" "5a010e5563da471b419ab60f121f235f66cea02dfae3e15132dcbbfc02946b14", kill_on_drop: false }`
[INFO] [stderr]    Compiling practicegrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "5a010e5563da471b419ab60f121f235f66cea02dfae3e15132dcbbfc02946b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a010e5563da471b419ab60f121f235f66cea02dfae3e15132dcbbfc02946b14", kill_on_drop: false }`
[INFO] [stdout] 5a010e5563da471b419ab60f121f235f66cea02dfae3e15132dcbbfc02946b14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 729169a5d319496a61a74fa21e6aa6ab66c3d16f23ebd344b3f0d9c2bc93fbe4
[INFO] running `Command { std: "docker" "start" "-a" "729169a5d319496a61a74fa21e6aa6ab66c3d16f23ebd344b3f0d9c2bc93fbe4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/practicegrep-d38f080dd3784180)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::case_sensitive_does_not_return_insensitive ... ok
[INFO] [stdout] test tests::constructor_does_not_return_error_when_enough_arguments ... ok
[INFO] [stdout] test tests::constructor_returns_valid_config_struct ... ok
[INFO] [stdout] test tests::constructor_returns_error_when_not_enough_arguments ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/practicegrep-21f3077c232b9893)
[INFO] [stdout] test tests::no_search_results ... ok
[INFO] [stdout] test tests::one_case_sensitive_search_result ... ok
[INFO] [stdout] test tests::run_returns_err_with_invalid_file ... ok
[INFO] [stdout] test tests::run_returns_ok_with_valid_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests practicegrep
[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" "729169a5d319496a61a74fa21e6aa6ab66c3d16f23ebd344b3f0d9c2bc93fbe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729169a5d319496a61a74fa21e6aa6ab66c3d16f23ebd344b3f0d9c2bc93fbe4", kill_on_drop: false }`
[INFO] [stdout] 729169a5d319496a61a74fa21e6aa6ab66c3d16f23ebd344b3f0d9c2bc93fbe4