[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 beta-2026-04-21 for beta-1.96-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwaha-Rahman%2Fmicrogrep" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [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-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Twaha-Rahman/microgrep on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c9596c9e2dfc56dbf4ab88c78344ca8c092c265e4552d740ccc3e7d30223780c [INFO] running `Command { std: "docker" "start" "-a" "c9596c9e2dfc56dbf4ab88c78344ca8c092c265e4552d740ccc3e7d30223780c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c9596c9e2dfc56dbf4ab88c78344ca8c092c265e4552d740ccc3e7d30223780c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9596c9e2dfc56dbf4ab88c78344ca8c092c265e4552d740ccc3e7d30223780c", kill_on_drop: false }` [INFO] [stdout] c9596c9e2dfc56dbf4ab88c78344ca8c092c265e4552d740ccc3e7d30223780c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f391a9ca8bd69d2a38963e5ab0aed49c73bcdd1fb7feb17265bdc20ef0895f4 [INFO] running `Command { std: "docker" "start" "-a" "4f391a9ca8bd69d2a38963e5ab0aed49c73bcdd1fb7feb17265bdc20ef0895f4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.78 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling regex-syntax v0.6.20 [INFO] [stderr] Compiling basic_threadpool v0.1.0 (/opt/rustwide/workdir/basic_threadpool) [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling aho-corasick v0.7.14 [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 6.07s [INFO] running `Command { std: "docker" "inspect" "4f391a9ca8bd69d2a38963e5ab0aed49c73bcdd1fb7feb17265bdc20ef0895f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f391a9ca8bd69d2a38963e5ab0aed49c73bcdd1fb7feb17265bdc20ef0895f4", kill_on_drop: false }` [INFO] [stdout] 4f391a9ca8bd69d2a38963e5ab0aed49c73bcdd1fb7feb17265bdc20ef0895f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7efaa2b26759d80431afd6d254630e82ceaa59bf2b3b8480c739b4c9f83768da [INFO] running `Command { std: "docker" "start" "-a" "7efaa2b26759d80431afd6d254630e82ceaa59bf2b3b8480c739b4c9f83768da", 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 0.65s [INFO] running `Command { std: "docker" "inspect" "7efaa2b26759d80431afd6d254630e82ceaa59bf2b3b8480c739b4c9f83768da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7efaa2b26759d80431afd6d254630e82ceaa59bf2b3b8480c739b4c9f83768da", kill_on_drop: false }` [INFO] [stdout] 7efaa2b26759d80431afd6d254630e82ceaa59bf2b3b8480c739b4c9f83768da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2f9f601f0c19956fbac5d2552e52ea3f3bec42444fdb1a3059e9f464372499b0 [INFO] running `Command { std: "docker" "start" "-a" "2f9f601f0c19956fbac5d2552e52ea3f3bec42444fdb1a3059e9f464372499b0", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/argument_parser-418ccc29944b3baf) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test collect_flags::tests::collects_single_flag ... ok [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::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 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/basic_threadpool-3b96b248484c2ecd) [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/microgrep-64852723b4efa26e) [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] [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] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/microgrep-d5d1fe385041947b) [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] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/recursive_file_check-86c48fb78d66ac02) [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" "2f9f601f0c19956fbac5d2552e52ea3f3bec42444fdb1a3059e9f464372499b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f9f601f0c19956fbac5d2552e52ea3f3bec42444fdb1a3059e9f464372499b0", kill_on_drop: false }` [INFO] [stdout] 2f9f601f0c19956fbac5d2552e52ea3f3bec42444fdb1a3059e9f464372499b0