[INFO] fetching crate rust_grep 0.1.0...
[INFO] testing rust_grep-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rust_grep 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rust_grep 0.1.0
[INFO] finished tweaking crates.io crate rust_grep 0.1.0
[INFO] tweaked toml for crates.io crate rust_grep 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_grep 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust_grep 0.1.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddc0385ba3240484d240f23dd9f674c0258468b6ed86c6bb01f7d21872a47406
[INFO] running `Command { std: "docker" "start" "-a" "ddc0385ba3240484d240f23dd9f674c0258468b6ed86c6bb01f7d21872a47406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc0385ba3240484d240f23dd9f674c0258468b6ed86c6bb01f7d21872a47406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc0385ba3240484d240f23dd9f674c0258468b6ed86c6bb01f7d21872a47406", kill_on_drop: false }`
[INFO] [stdout] ddc0385ba3240484d240f23dd9f674c0258468b6ed86c6bb01f7d21872a47406
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 742c812452667cf031cd2b8be2479b3be515f82058fdcda18c6b240680f30ceb
[INFO] running `Command { std: "docker" "start" "-a" "742c812452667cf031cd2b8be2479b3be515f82058fdcda18c6b240680f30ceb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "742c812452667cf031cd2b8be2479b3be515f82058fdcda18c6b240680f30ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742c812452667cf031cd2b8be2479b3be515f82058fdcda18c6b240680f30ceb", kill_on_drop: false }`
[INFO] [stdout] 742c812452667cf031cd2b8be2479b3be515f82058fdcda18c6b240680f30ceb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40cbfb5ed2bb2ba4ee621aea5c40926958b2c88fc97ec0e15d7d0574b59385fc
[INFO] running `Command { std: "docker" "start" "-a" "40cbfb5ed2bb2ba4ee621aea5c40926958b2c88fc97ec0e15d7d0574b59385fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "40cbfb5ed2bb2ba4ee621aea5c40926958b2c88fc97ec0e15d7d0574b59385fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40cbfb5ed2bb2ba4ee621aea5c40926958b2c88fc97ec0e15d7d0574b59385fc", kill_on_drop: false }`
[INFO] [stdout] 40cbfb5ed2bb2ba4ee621aea5c40926958b2c88fc97ec0e15d7d0574b59385fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80b63a2e2cb2bbb74d6ca38e97eca601923845379aaa1bb75a24f40dad5d8553
[INFO] running `Command { std: "docker" "start" "-a" "80b63a2e2cb2bbb74d6ca38e97eca601923845379aaa1bb75a24f40dad5d8553", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_grep-d8e7a5eade959db7)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::one_result ... ok
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_grep-c4a5107fd44cf49d)
[INFO] [stderr]    Doc-tests rust_grep
[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] running `Command { std: "docker" "inspect" "80b63a2e2cb2bbb74d6ca38e97eca601923845379aaa1bb75a24f40dad5d8553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80b63a2e2cb2bbb74d6ca38e97eca601923845379aaa1bb75a24f40dad5d8553", kill_on_drop: false }`
[INFO] [stdout] 80b63a2e2cb2bbb74d6ca38e97eca601923845379aaa1bb75a24f40dad5d8553