[INFO] fetching crate poll-tail 0.1.3...
[INFO] testing poll-tail-0.1.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate poll-tail 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate poll-tail 0.1.3
[INFO] finished tweaking crates.io crate poll-tail 0.1.3
[INFO] tweaked toml for crates.io crate poll-tail 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate poll-tail 0.1.3 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 crates.io crate poll-tail 0.1.3 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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ace25268a155f29688e41e1a6fe364a9108e74112f89c0eb846486b50b010cf
[INFO] running `Command { std: "docker" "start" "-a" "4ace25268a155f29688e41e1a6fe364a9108e74112f89c0eb846486b50b010cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ace25268a155f29688e41e1a6fe364a9108e74112f89c0eb846486b50b010cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ace25268a155f29688e41e1a6fe364a9108e74112f89c0eb846486b50b010cf", kill_on_drop: false }`
[INFO] [stdout] 4ace25268a155f29688e41e1a6fe364a9108e74112f89c0eb846486b50b010cf
[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=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] 12410d1cf924d65fd125a1d8a2f823a28b0e227c720f21e947b79ec80e0152f3
[INFO] running `Command { std: "docker" "start" "-a" "12410d1cf924d65fd125a1d8a2f823a28b0e227c720f21e947b79ec80e0152f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling poll-tail v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.04s
[INFO] running `Command { std: "docker" "inspect" "12410d1cf924d65fd125a1d8a2f823a28b0e227c720f21e947b79ec80e0152f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12410d1cf924d65fd125a1d8a2f823a28b0e227c720f21e947b79ec80e0152f3", kill_on_drop: false }`
[INFO] [stdout] 12410d1cf924d65fd125a1d8a2f823a28b0e227c720f21e947b79ec80e0152f3
[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=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] 3f30c92f7c9d226f0baf8ff9a2413f8e01cdf9a9f2665cd1c4cc1a3c38b92ea2
[INFO] running `Command { std: "docker" "start" "-a" "3f30c92f7c9d226f0baf8ff9a2413f8e01cdf9a9f2665cd1c4cc1a3c38b92ea2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling poll-tail v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.57s
[INFO] running `Command { std: "docker" "inspect" "3f30c92f7c9d226f0baf8ff9a2413f8e01cdf9a9f2665cd1c4cc1a3c38b92ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f30c92f7c9d226f0baf8ff9a2413f8e01cdf9a9f2665cd1c4cc1a3c38b92ea2", kill_on_drop: false }`
[INFO] [stdout] 3f30c92f7c9d226f0baf8ff9a2413f8e01cdf9a9f2665cd1c4cc1a3c38b92ea2
[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=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] 1bf3a1981afaee6aafbba3eafeccabb8a0921632e8b44ed5f9357106618ef1ec
[INFO] running `Command { std: "docker" "start" "-a" "1bf3a1981afaee6aafbba3eafeccabb8a0921632e8b44ed5f9357106618ef1ec", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/poll_tail-cfc692e16cae8f45)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_custom_parser ... ok
[INFO] [stdout] test tests::test_default_timestamp_parser ... ok
[INFO] [stdout] test tests::test_max_lines_enforced ... ok
[INFO] [stdout] test tests::test_timestamp_fallback ... ok
[INFO] [stdout] test tests::test_truncation ... ok
[INFO] [stdout] test tests::test_file_creation_and_append ... ok
[INFO] [stdout] test tests::test_initial_read_lines ... ok
[INFO] [stdout] test tests::test_delete_and_recreate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests poll_tail
[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" "1bf3a1981afaee6aafbba3eafeccabb8a0921632e8b44ed5f9357106618ef1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf3a1981afaee6aafbba3eafeccabb8a0921632e8b44ed5f9357106618ef1ec", kill_on_drop: false }`
[INFO] [stdout] 1bf3a1981afaee6aafbba3eafeccabb8a0921632e8b44ed5f9357106618ef1ec
