[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#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwaha-Rahman%2Fmicrogrep" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Twaha-Rahman/microgrep on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-104/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: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8e7de15a2b8d825afdff34485c18d8a52af63408127badf590b58885fe23f85
[INFO] running `Command { std: "docker" "start" "-a" "a8e7de15a2b8d825afdff34485c18d8a52af63408127badf590b58885fe23f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8e7de15a2b8d825afdff34485c18d8a52af63408127badf590b58885fe23f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e7de15a2b8d825afdff34485c18d8a52af63408127badf590b58885fe23f85", kill_on_drop: false }`
[INFO] [stdout] a8e7de15a2b8d825afdff34485c18d8a52af63408127badf590b58885fe23f85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 487084baf02d2ed6a99e4ff0062c5588c5fae1878412c2976b626c72ba745298
[INFO] running `Command { std: "docker" "start" "-a" "487084baf02d2ed6a99e4ff0062c5588c5fae1878412c2976b626c72ba745298", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling basic_threadpool v0.1.0 (/opt/rustwide/workdir/basic_threadpool)
[INFO] [stderr]    Compiling memchr v2.3.3
[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 regex v1.4.1
[INFO] [stderr]    Compiling colored v2.0.0
[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 dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "487084baf02d2ed6a99e4ff0062c5588c5fae1878412c2976b626c72ba745298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "487084baf02d2ed6a99e4ff0062c5588c5fae1878412c2976b626c72ba745298", kill_on_drop: false }`
[INFO] [stdout] 487084baf02d2ed6a99e4ff0062c5588c5fae1878412c2976b626c72ba745298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 908cfff6b2c300717ac5ea4b9057315f05782f4fb0a07a562e1a2ea7f589a3e3
[INFO] running `Command { std: "docker" "start" "-a" "908cfff6b2c300717ac5ea4b9057315f05782f4fb0a07a562e1a2ea7f589a3e3", 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 [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "908cfff6b2c300717ac5ea4b9057315f05782f4fb0a07a562e1a2ea7f589a3e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908cfff6b2c300717ac5ea4b9057315f05782f4fb0a07a562e1a2ea7f589a3e3", kill_on_drop: false }`
[INFO] [stdout] 908cfff6b2c300717ac5ea4b9057315f05782f4fb0a07a562e1a2ea7f589a3e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07a9d1109dd86810c73b38695bcc92d4529ed3bed8f2f94190992b36f864ec58
[INFO] running `Command { std: "docker" "start" "-a" "07a9d1109dd86810c73b38695bcc92d4529ed3bed8f2f94190992b36f864ec58", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/argument_parser-ceeb30a965ded9dd)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test collect_flags::tests::collects_multiple_flags ... ok
[INFO] [stdout] test collect_flags::tests::collects_single_flag ... ok
[INFO] [stdout] test collect_flags::tests::filter_out_unknown_flags ... ok
[INFO] [stdout] test collect_flags::tests::no_flags_passed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_threadpool-b47b5c44f78afefa)
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/microgrep-2a68871abf180ec8)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test time_taken::tests::takes_less_than_one_ms ... ok
[INFO] [stdout] test time_taken::tests::takes_one_ms ... ok
[INFO] [stdout] test time_taken::tests::takes_more_than_one_ms ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/microgrep-0872e969c1a6e93f)
[INFO] [stdout] test time_taken::tests::takes_more_than_one_sec ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/recursive_file_check-8b8fd04d93c1e9b7)
[INFO] [stdout] 
[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] [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 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] [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" "07a9d1109dd86810c73b38695bcc92d4529ed3bed8f2f94190992b36f864ec58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a9d1109dd86810c73b38695bcc92d4529ed3bed8f2f94190992b36f864ec58", kill_on_drop: false }`
[INFO] [stdout] 07a9d1109dd86810c73b38695bcc92d4529ed3bed8f2f94190992b36f864ec58