[INFO] fetching crate read_collection 0.1.5... [INFO] testing read_collection-0.1.5 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate read_collection 0.1.5 into /workspace/builds/worker-4-tc2/source [INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate read_collection 0.1.5 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate read_collection 0.1.5 [INFO] tweaked toml for crates.io crate read_collection 0.1.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate read_collection 0.1.5 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 read_collection 0.1.5 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 62987e0a7e7aa7e181e8d4290b2e9c7bd484de02362210f3b3b740768d473dc4 [INFO] running `Command { std: "docker" "start" "-a" "62987e0a7e7aa7e181e8d4290b2e9c7bd484de02362210f3b3b740768d473dc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "62987e0a7e7aa7e181e8d4290b2e9c7bd484de02362210f3b3b740768d473dc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62987e0a7e7aa7e181e8d4290b2e9c7bd484de02362210f3b3b740768d473dc4", kill_on_drop: false }` [INFO] [stdout] 62987e0a7e7aa7e181e8d4290b2e9c7bd484de02362210f3b3b740768d473dc4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ac7e6df40f67f85aeb556728d1d43ee3b6fb490f820c0cbed186784893ec9341 [INFO] running `Command { std: "docker" "start" "-a" "ac7e6df40f67f85aeb556728d1d43ee3b6fb490f820c0cbed186784893ec9341", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Compiling read_collection v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.19s [INFO] running `Command { std: "docker" "inspect" "ac7e6df40f67f85aeb556728d1d43ee3b6fb490f820c0cbed186784893ec9341", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac7e6df40f67f85aeb556728d1d43ee3b6fb490f820c0cbed186784893ec9341", kill_on_drop: false }` [INFO] [stdout] ac7e6df40f67f85aeb556728d1d43ee3b6fb490f820c0cbed186784893ec9341 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6511cac624e6912920c3cdaf451b109becc3df2d981bd8abada982d7dc34b682 [INFO] running `Command { std: "docker" "start" "-a" "6511cac624e6912920c3cdaf451b109becc3df2d981bd8abada982d7dc34b682", kill_on_drop: false }` [INFO] [stderr] Compiling read_collection v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "6511cac624e6912920c3cdaf451b109becc3df2d981bd8abada982d7dc34b682", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6511cac624e6912920c3cdaf451b109becc3df2d981bd8abada982d7dc34b682", kill_on_drop: false }` [INFO] [stdout] 6511cac624e6912920c3cdaf451b109becc3df2d981bd8abada982d7dc34b682 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b55ec2bc6399aa34abec72961b8dd04fd9f13b039a1df73df9c1268ed2bb5a62 [INFO] running `Command { std: "docker" "start" "-a" "b55ec2bc6399aa34abec72961b8dd04fd9f13b039a1df73df9c1268ed2bb5a62", 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/read_collection-83dce4b413a866e9) [INFO] [stdout] [INFO] [stdout] running 42 tests [INFO] [stdout] test read_back::buf_read_backer::tests::general ... ok [INFO] [stdout] test read_back::buf_read_backer::tests::small_capacity ... ok [INFO] [stdout] test read_back::buf_read_backer::buffer::tests::partially_filled_buffer ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_bytes::general ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_chain::empty_chain ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_chain::first_chain_full ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_chain::first_and_second_half ... ok [INFO] [stdout] test read_back::buf_read_backer::buffer::tests::empty_buffer ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_line::new_line_in_beginning ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_lines::no_new_lines ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_lines::one_new_line_char ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_skip_until::delim_in_between ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_skip_until::until_end ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_split::delim_in_between ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_skip_until::delim_at_the_beginning ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_take::read_back_fill_buf::exceeding_take_value ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_take::read_back_fill_buf::middle_read_back_fill_buf ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_split::no_delim ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_until::delim_in_between ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::read_back::read_back::amount_1 ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_line::no_new_line ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_until::delim_at_the_beginning ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::read_back::read_back::bigger_buffer_than_self ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::read_back::read_back_exact::buffer_bigger_than_data ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_until::until_end ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::read_back::read_back_take::read_back::limit_0 ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_chain::second_chain_full ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_take::read_back_consume::exceeding_consume ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::read_back::read_back_take::read_back::limit_middle ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::rev_consume_large_amt ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::read_back::read_back_take::read_back::no_limit ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::read_back::read_back_to_end::empty_vec ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::read_back::read_back_to_end::general ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::read_back::read_back_to_end::non_empty_vec ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::read_back::read_back_exact::equal_size ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::read_back::read_back_to_string::empty_data ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::read_back::read_back::multiple ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_bytes::empty_data ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::read_back::read_back_exact::empty_buf ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::read_back::read_back_exact::normal ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::buf_read_back::read_back_line::new_line_in_between ... ok [INFO] [stdout] test read_back::impls::u8_slice::tests::read_back::read_back_to_string::general ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 42 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-68035cc720b40cf5) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test file::same_as_read::read_exact_vs_rev_read_exact ... ok [INFO] [stdout] test file::buf_read_backer::buf_reader_vs_buf_read_backer ... ok [INFO] [stdout] test file::same_as_read::read_vs_rev_read ... ok [INFO] [stdout] test file::same_as_read::read_to_string_vs_rev_read_to_string ... ok [INFO] [stdout] test file::same_as_read::read_to_end_vs_rev_read_to_end ... ok [INFO] [stdout] test file::same_as_read::read_bytes_vs_rev_read_bytes ... ok [INFO] [stdout] test file::same_as_read::read_chain_vs_rev_read_chain ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests read_collection [INFO] [stdout] [INFO] [stdout] running 21 tests [INFO] [stdout] test src/read_back/mod.rs - read_back::ReadBack (line 17) - compile ... ok [INFO] [stdout] test src/read_back/buf_read_backer/mod.rs - read_back::buf_read_backer::BufReadBacker (line 14) - compile ... ok [INFO] [stdout] test src/read_back/buf_read_backer/mod.rs - read_back::buf_read_backer::BufReadBacker::get_ref (line 74) - compile ... ok [INFO] [stdout] test src/read_back/buf_read_backer/mod.rs - read_back::buf_read_backer::BufReadBacker::with_capacity (line 179) - compile ... ok [INFO] [stdout] test src/read_back/mod.rs - read_back::ReadBack::read_back (line 46) ... ok [INFO] [stdout] test src/read_back/mod.rs - read_back::ReadBack::read_back_to_end (line 80) - compile ... ok [INFO] [stdout] test src/read_back/buf_read_backer/mod.rs - read_back::buf_read_backer::BufReadBacker::get_mut (line 95) - compile ... ok [INFO] [stdout] test src/read_back/buf_read_backer/mod.rs - read_back::buf_read_backer::BufReadBacker::new (line 162) - compile ... ok [INFO] [stdout] test src/read_back/impls/u8_slice.rs - read_back::impls::u8_slice::&'_[u8]::read_back_consume (line 96) ... ok [INFO] [stdout] test src/read_back/mod.rs - read_back::ReadBack::read_back_chain (line 176) ... ok [INFO] [stdout] test src/read_back/buf_read_backer/mod.rs - read_back::buf_read_backer::BufReadBacker::into_inner (line 133) ... ok [INFO] [stdout] test src/read_back/mod.rs - read_back::ReadBack::read_back_take (line 208) ... ok [INFO] [stdout] test src/read_back/mod.rs - read_back::ReadBack::read_back_to_string (line 107) ... ok [INFO] [stdout] test src/read_back/buf_read_backer/mod.rs - read_back::buf_read_backer::BufReadBacker::capacity (line 114) ... ok [INFO] [stdout] test src/read_back/mod.rs - read_back::ReadBackChain::get_mut (line 470) ... ok [INFO] [stdout] test src/read_back/mod.rs - read_back::ReadBackChain::into_inner (line 418) ... ok [INFO] [stdout] test src/read_back/mod.rs - read_back::ReadBackChain::get_ref (line 442) ... ok [INFO] [stdout] test src/read_back/buf_read_backer/mod.rs - read_back::buf_read_backer::BufReadBacker::buffer (line 48) - compile ... ok [INFO] [stdout] test src/lib.rs - (line 9) ... ok [INFO] [stdout] test src/read_back/mod.rs - read_back::ReadBack::read_back_exact (line 127) ... ok [INFO] [stdout] test src/read_back/mod.rs - read_back::ReadBack::read_back_bytes (line 150) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.92s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b55ec2bc6399aa34abec72961b8dd04fd9f13b039a1df73df9c1268ed2bb5a62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b55ec2bc6399aa34abec72961b8dd04fd9f13b039a1df73df9c1268ed2bb5a62", kill_on_drop: false }` [INFO] [stdout] b55ec2bc6399aa34abec72961b8dd04fd9f13b039a1df73df9c1268ed2bb5a62