[INFO] fetching crate fgoxide 0.6.0...
[INFO] testing fgoxide-0.6.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fgoxide 0.6.0 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate fgoxide 0.6.0
[INFO] finished tweaking crates.io crate fgoxide 0.6.0
[INFO] tweaked toml for crates.io crate fgoxide 0.6.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fgoxide 0.6.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fgoxide 0.6.0 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-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca1726478a7c2efd1fc059870cbfd7bff5d95a1ce95606e862eab472035ae086
[INFO] running `Command { std: "docker" "start" "-a" "ca1726478a7c2efd1fc059870cbfd7bff5d95a1ce95606e862eab472035ae086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca1726478a7c2efd1fc059870cbfd7bff5d95a1ce95606e862eab472035ae086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1726478a7c2efd1fc059870cbfd7bff5d95a1ce95606e862eab472035ae086", kill_on_drop: false }`
[INFO] [stdout] ca1726478a7c2efd1fc059870cbfd7bff5d95a1ce95606e862eab472035ae086
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb2f3df90c100ec28ec48a66f6f4da82e693447a6c179bd628ed681bebf92b88
[INFO] running `Command { std: "docker" "start" "-a" "fb2f3df90c100ec28ec48a66f6f4da82e693447a6c179bd628ed681bebf92b88", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling serde_json v1.0.109
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling serde-aux v4.6.0
[INFO] [stderr]    Compiling fgoxide v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.44s
[INFO] running `Command { std: "docker" "inspect" "fb2f3df90c100ec28ec48a66f6f4da82e693447a6c179bd628ed681bebf92b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb2f3df90c100ec28ec48a66f6f4da82e693447a6c179bd628ed681bebf92b88", kill_on_drop: false }`
[INFO] [stdout] fb2f3df90c100ec28ec48a66f6f4da82e693447a6c179bd628ed681bebf92b88
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abdd0e2afc9633f7599b4b3240f95492a9cc4b7f73aa8a700905962292b3a0c8
[INFO] running `Command { std: "docker" "start" "-a" "abdd0e2afc9633f7599b4b3240f95492a9cc4b7f73aa8a700905962292b3a0c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling rustix v0.38.22
[INFO] [stderr]    Compiling linux-raw-sys v0.4.11
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rstest v0.12.0
[INFO] [stderr]    Compiling tempfile v3.8.1
[INFO] [stderr]    Compiling fgoxide v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `Command { std: "docker" "inspect" "abdd0e2afc9633f7599b4b3240f95492a9cc4b7f73aa8a700905962292b3a0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abdd0e2afc9633f7599b4b3240f95492a9cc4b7f73aa8a700905962292b3a0c8", kill_on_drop: false }`
[INFO] [stdout] abdd0e2afc9633f7599b4b3240f95492a9cc4b7f73aa8a700905962292b3a0c8
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3238b9f0d2bb47e7b31306b7194c30fbce1f5c207d22f9de310761a4ee4f1ef
[INFO] running `Command { std: "docker" "start" "-a" "e3238b9f0d2bb47e7b31306b7194c30fbce1f5c207d22f9de310761a4ee4f1ef", 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/fgoxide-5ed601dbca5f0ad9)
[INFO] [stdout] 
[INFO] [stdout] running 60 tests
[INFO] [stdout] test iter::tests::test_dropping_fully_used_iterator_doesnt_explode::case_2 ... ok
[INFO] [stdout] test iter::tests::test_dropping_fully_used_iterator_doesnt_explode::case_4 ... ok
[INFO] [stdout] test iter::tests::test_dropping_fully_used_iterator_doesnt_explode::case_3 ... ok
[INFO] [stdout] test iter::tests::test_dropping_fully_used_iterator_doesnt_explode::case_1 ... ok
[INFO] [stdout] test iter::tests::test_dropping_fully_used_iterator_doesnt_explode::case_5 ... ok
[INFO] [stdout] test iter::tests::test_dropping_half_used_iterator_doesnt_explode::case_1 ... ok
[INFO] [stdout] test iter::tests::test_dropping_half_used_iterator_doesnt_explode::case_4 ... ok
[INFO] [stdout] test iter::tests::test_dropping_half_used_iterator_doesnt_explode::case_3 ... ok
[INFO] [stdout] test iter::tests::test_dropping_half_used_iterator_doesnt_explode::case_2 ... ok
[INFO] [stdout] test io::tests::test_header_missing ... ok
[INFO] [stdout] test iter::tests::test_dropping_half_used_iterator_doesnt_explode::case_5 ... ok
[INFO] [stdout] test io::tests::test_reading_and_writing_lines_to_file ... ok
[INFO] [stdout] test io::tests::test_skip_empty_lines ... ok
[INFO] [stdout] test io::tests::test_header_error ... ok
[INFO] [stdout] test io::tests::test_reading_and_writing_gzip_files ... ok
[INFO] [stdout] test io::tests::test_reading_and_writing_empty_delim_file ... ok
[INFO] [stdout] test io::tests::test_reading_and_writing_delim_file ... ok
[INFO] [stdout] test iter::tests::test_dropping_before_doesnt_explode::case_1 ... ok
[INFO] [stdout] test iter::tests::test_dropping_before_doesnt_explode::case_3 ... ok
[INFO] [stdout] test iter::tests::test_dropping_before_doesnt_explode::case_2 ... ok
[INFO] [stdout] test iter::tests::test_dropping_before_doesnt_explode::case_4 ... ok
[INFO] [stdout] test iter::tests::test_dropping_before_doesnt_explode::case_5 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_15 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_14 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_13 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_16 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_05 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_17 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_18 ... ok
[INFO] [stdout] test iter::tests::test_panic_occurring_after_iteration_raises - should panic ... ok
[INFO] [stdout] test iter::tests::test_panic_occurring_mid_chunk_returns_results_until_panic - should panic ... ok
[INFO] [stdout] test iter::tests::test_read_ahead_results_in_same_results_as_regular_iter::case_2 ... ok
[INFO] [stdout] test iter::tests::test_read_ahead_results_in_same_results_as_regular_iter::case_3 ... ok
[INFO] [stdout] test iter::tests::test_read_ahead_results_in_same_results_as_regular_iter::case_1 ... ok
[INFO] [stdout] test iter::tests::test_read_ahead_results_in_same_results_as_regular_iter::case_4 ... ok
[INFO] [stdout] test iter::tests::test_read_ahead_results_in_same_results_as_regular_iter::case_5 ... ok
[INFO] [stdout] test iter::tests::test_read_past_end::case_1 ... ok
[INFO] [stdout] test iter::tests::test_read_past_end::case_2 ... ok
[INFO] [stdout] test iter::tests::test_read_past_end::case_3 ... ok
[INFO] [stdout] test iter::tests::test_read_past_end::case_4 ... ok
[INFO] [stdout] test iter::tests::test_read_past_end::case_5 ... ok
[INFO] [stdout] test iter::tests::test_wrapping_empty_iter::case_1 ... ok
[INFO] [stdout] test iter::tests::test_wrapping_empty_iter::case_2 ... ok
[INFO] [stdout] test iter::tests::test_wrapping_empty_iter::case_3 ... ok
[INFO] [stdout] test iter::tests::test_wrapping_empty_iter::case_4 ... ok
[INFO] [stdout] test iter::tests::test_wrapping_empty_iter::case_5 ... ok
[INFO] [stdout] test iter::tests::test_low_bound_on_channel_for_blocking ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_19 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_20 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_10 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_09 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_12 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_04 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_11 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_08 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_03 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_07 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_02 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_06 ... ok
[INFO] [stdout] test iter::tests::test_handle_large_iterator_and_low_chunk_size::case_01 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 60 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 15.47s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fgoxide
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/iter/mod.rs - iter::ChunkedReadAheadIterator (line 17) ... ok
[INFO] [stdout] test src/io/mod.rs - io (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e3238b9f0d2bb47e7b31306b7194c30fbce1f5c207d22f9de310761a4ee4f1ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3238b9f0d2bb47e7b31306b7194c30fbce1f5c207d22f9de310761a4ee4f1ef", kill_on_drop: false }`
[INFO] [stdout] e3238b9f0d2bb47e7b31306b7194c30fbce1f5c207d22f9de310761a4ee4f1ef