[INFO] fetching crate practicegrep 0.1.0...
[INFO] testing practicegrep-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate practicegrep 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate practicegrep 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7455ba55d3bdfc957c3087bf5270601fa15cb3040d7897c35b78a3ec0194faa9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7455ba55d3bdfc957c3087bf5270601fa15cb3040d7897c35b78a3ec0194faa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7455ba55d3bdfc957c3087bf5270601fa15cb3040d7897c35b78a3ec0194faa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7455ba55d3bdfc957c3087bf5270601fa15cb3040d7897c35b78a3ec0194faa9", kill_on_drop: false }`
[INFO] [stdout] 7455ba55d3bdfc957c3087bf5270601fa15cb3040d7897c35b78a3ec0194faa9
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b614a6426dbe34abf79039023771baeb6aee5d36ad29d763b9a4089b098fd6d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2b614a6426dbe34abf79039023771baeb6aee5d36ad29d763b9a4089b098fd6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling practicegrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "2b614a6426dbe34abf79039023771baeb6aee5d36ad29d763b9a4089b098fd6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b614a6426dbe34abf79039023771baeb6aee5d36ad29d763b9a4089b098fd6d", kill_on_drop: false }`
[INFO] [stdout] 2b614a6426dbe34abf79039023771baeb6aee5d36ad29d763b9a4089b098fd6d
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 760abd9264d490f59fb8b64d65a4578c9e45339c5f81c6c81affd48b0a63c83e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "760abd9264d490f59fb8b64d65a4578c9e45339c5f81c6c81affd48b0a63c83e", kill_on_drop: false }`
[INFO] [stderr]    Compiling practicegrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "760abd9264d490f59fb8b64d65a4578c9e45339c5f81c6c81affd48b0a63c83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "760abd9264d490f59fb8b64d65a4578c9e45339c5f81c6c81affd48b0a63c83e", kill_on_drop: false }`
[INFO] [stdout] 760abd9264d490f59fb8b64d65a4578c9e45339c5f81c6c81affd48b0a63c83e
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b76a311cba9fa9b5284f0119aa7ee8aa6d2506b86fd97891f308c6b75718764a
[INFO] running `Command { std: "docker" "start" "-a" "b76a311cba9fa9b5284f0119aa7ee8aa6d2506b86fd97891f308c6b75718764a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/practicegrep-9f851ecb013449b2
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::run_returns_err_with_invalid_file ... ok
[INFO] [stdout] test tests::run_returns_ok_with_valid_file ... ok
[INFO] [stdout] test tests::one_case_sensitive_search_result ... ok
[INFO] [stdout] test tests::no_search_results ... ok
[INFO] [stdout] test tests::constructor_returns_valid_config_struct ... ok
[INFO] [stdout] test tests::constructor_returns_error_when_not_enough_arguments ... ok
[INFO] [stdout] test tests::constructor_does_not_return_error_when_enough_arguments ... ok
[INFO] [stdout] test tests::case_sensitive_does_not_return_insensitive ... ok
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/practicegrep-4c057723fe1ffbf5
[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" "b76a311cba9fa9b5284f0119aa7ee8aa6d2506b86fd97891f308c6b75718764a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b76a311cba9fa9b5284f0119aa7ee8aa6d2506b86fd97891f308c6b75718764a", kill_on_drop: false }`
[INFO] [stdout] b76a311cba9fa9b5284f0119aa7ee8aa6d2506b86fd97891f308c6b75718764a