[INFO] cloning repository https://github.com/Twaha-Rahman/microgrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Twaha-Rahman/microgrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwaha-Rahman%2Fmicrogrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwaha-Rahman%2Fmicrogrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8177df957e4bae8ee31103265f41f26fbf1b4b6e
[INFO] testing Twaha-Rahman/microgrep against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwaha-Rahman%2Fmicrogrep" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Twaha-Rahman/microgrep on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Twaha-Rahman/microgrep
[INFO] finished tweaking git repo https://github.com/Twaha-Rahman/microgrep
[INFO] tweaked toml for git repo https://github.com/Twaha-Rahman/microgrep written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Twaha-Rahman/microgrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 783d1fbc5f0ae24bcd9bbdeac4f9114b0b9919002a7b034610b0a3720e6a07bb
[INFO] running `Command { std: "docker" "start" "-a" "783d1fbc5f0ae24bcd9bbdeac4f9114b0b9919002a7b034610b0a3720e6a07bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "783d1fbc5f0ae24bcd9bbdeac4f9114b0b9919002a7b034610b0a3720e6a07bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783d1fbc5f0ae24bcd9bbdeac4f9114b0b9919002a7b034610b0a3720e6a07bb", kill_on_drop: false }`
[INFO] [stdout] 783d1fbc5f0ae24bcd9bbdeac4f9114b0b9919002a7b034610b0a3720e6a07bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cae5994434485b3c3b03603ad23ebc1405825bd3c248e6e216ba5fa555c1366
[INFO] running `Command { std: "docker" "start" "-a" "7cae5994434485b3c3b03603ad23ebc1405825bd3c248e6e216ba5fa555c1366", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling basic_threadpool v0.1.0 (/opt/rustwide/workdir/basic_threadpool)
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling argument_parser v0.1.0 (/opt/rustwide/workdir/argument_parser)
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling recursive_file_check v0.1.0 (/opt/rustwide/workdir/recursive_file_check)
[INFO] [stderr]    Compiling microgrep v0.1.0 (/opt/rustwide/workdir/microgrep)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.26s
[INFO] running `Command { std: "docker" "inspect" "7cae5994434485b3c3b03603ad23ebc1405825bd3c248e6e216ba5fa555c1366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cae5994434485b3c3b03603ad23ebc1405825bd3c248e6e216ba5fa555c1366", kill_on_drop: false }`
[INFO] [stdout] 7cae5994434485b3c3b03603ad23ebc1405825bd3c248e6e216ba5fa555c1366
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 205f9122def2af7f77dbe7b940a73c24c4a0be0b08b9dd695aaea3037fd22ed5
[INFO] running `Command { std: "docker" "start" "-a" "205f9122def2af7f77dbe7b940a73c24c4a0be0b08b9dd695aaea3037fd22ed5", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_threadpool v0.1.0 (/opt/rustwide/workdir/basic_threadpool)
[INFO] [stderr]    Compiling argument_parser v0.1.0 (/opt/rustwide/workdir/argument_parser)
[INFO] [stderr]    Compiling recursive_file_check v0.1.0 (/opt/rustwide/workdir/recursive_file_check)
[INFO] [stderr]    Compiling microgrep v0.1.0 (/opt/rustwide/workdir/microgrep)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "205f9122def2af7f77dbe7b940a73c24c4a0be0b08b9dd695aaea3037fd22ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "205f9122def2af7f77dbe7b940a73c24c4a0be0b08b9dd695aaea3037fd22ed5", kill_on_drop: false }`
[INFO] [stdout] 205f9122def2af7f77dbe7b940a73c24c4a0be0b08b9dd695aaea3037fd22ed5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1ee373c79d81398ee2b29d197234ba6f816addc82f0be0457dc09696bf90b10
[INFO] running `Command { std: "docker" "start" "-a" "e1ee373c79d81398ee2b29d197234ba6f816addc82f0be0457dc09696bf90b10", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/argument_parser-769588ee22bcc45f)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test collect_flags::tests::collects_multiple_flags ... ok
[INFO] [stdout] test collect_flags::tests::no_flags_passed ... ok
[INFO] [stdout] test collect_flags::tests::collects_single_flag ... ok
[INFO] [stdout] test collect_flags::tests::filter_out_unknown_flags ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/basic_threadpool-559e89f06b188992)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/microgrep-999d4f0c03eeb7c7)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test time_taken::tests::takes_one_ms ... ok
[INFO] [stdout] test time_taken::tests::takes_less_than_one_ms ... ok
[INFO] [stdout] test time_taken::tests::takes_more_than_one_ms ... ok
[INFO] [stdout] test time_taken::tests::takes_more_than_one_sec ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/microgrep-4676724be9b1f3b8)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/recursive_file_check-25b0fdaa16ea3249)
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests argument_parser
[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 basic_threadpool
[INFO] [stderr]    Doc-tests microgrep
[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] [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 recursive_file_check
[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" "e1ee373c79d81398ee2b29d197234ba6f816addc82f0be0457dc09696bf90b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ee373c79d81398ee2b29d197234ba6f816addc82f0be0457dc09696bf90b10", kill_on_drop: false }`
[INFO] [stdout] e1ee373c79d81398ee2b29d197234ba6f816addc82f0be0457dc09696bf90b10