[INFO] fetching crate singlevec 1.8.0...
[INFO] testing singlevec-1.8.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate singlevec 1.8.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate singlevec 1.8.0
[INFO] finished tweaking crates.io crate singlevec 1.8.0
[INFO] tweaked toml for crates.io crate singlevec 1.8.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate singlevec 1.8.0 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 singlevec 1.8.0 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f84ce54815f8a3acca8fb4b7d00cbb0ae7c2319d0a3d3a4b9c58ee5e40bdb46
[INFO] running `Command { std: "docker" "start" "-a" "3f84ce54815f8a3acca8fb4b7d00cbb0ae7c2319d0a3d3a4b9c58ee5e40bdb46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f84ce54815f8a3acca8fb4b7d00cbb0ae7c2319d0a3d3a4b9c58ee5e40bdb46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f84ce54815f8a3acca8fb4b7d00cbb0ae7c2319d0a3d3a4b9c58ee5e40bdb46", kill_on_drop: false }`
[INFO] [stdout] 3f84ce54815f8a3acca8fb4b7d00cbb0ae7c2319d0a3d3a4b9c58ee5e40bdb46
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de3909ee0eb515820b3f7107c3b160cf222c09d3af4d11136309edc81cbb7400
[INFO] running `Command { std: "docker" "start" "-a" "de3909ee0eb515820b3f7107c3b160cf222c09d3af4d11136309edc81cbb7400", kill_on_drop: false }`
[INFO] [stderr]    Compiling singlevec v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "de3909ee0eb515820b3f7107c3b160cf222c09d3af4d11136309edc81cbb7400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de3909ee0eb515820b3f7107c3b160cf222c09d3af4d11136309edc81cbb7400", kill_on_drop: false }`
[INFO] [stdout] de3909ee0eb515820b3f7107c3b160cf222c09d3af4d11136309edc81cbb7400
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1575fe9e79f1bcc5a65ca752e8f7b489a0684f44a8aefabbcb4f415c3b54e20
[INFO] running `Command { std: "docker" "start" "-a" "a1575fe9e79f1bcc5a65ca752e8f7b489a0684f44a8aefabbcb4f415c3b54e20", kill_on_drop: false }`
[INFO] [stderr]    Compiling singlevec v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "a1575fe9e79f1bcc5a65ca752e8f7b489a0684f44a8aefabbcb4f415c3b54e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1575fe9e79f1bcc5a65ca752e8f7b489a0684f44a8aefabbcb4f415c3b54e20", kill_on_drop: false }`
[INFO] [stdout] a1575fe9e79f1bcc5a65ca752e8f7b489a0684f44a8aefabbcb4f415c3b54e20
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb077013047327eda821b3950121ccf57447dc306c4b841a0a53363778c7fbc7
[INFO] running `Command { std: "docker" "start" "-a" "fb077013047327eda821b3950121ccf57447dc306c4b841a0a53363778c7fbc7", 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/singlevec-2f0fa96a07319674)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::iter_test ... ok
[INFO] [stdout] test tests::eq_test ... ok
[INFO] [stdout] test tests::index_test ... ok
[INFO] [stdout] test tests::insert_test ... ok
[INFO] [stdout] test tests::remove_test ... ok
[INFO] [stdout] test tests::hash_test ... ok
[INFO] [stdout] test tests::ord_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests singlevec
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test src/lib.rs - SingleVec<Option<T>>::flatten (line 478) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<Option<T>>::transpose (line 503) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<Option<T>>::transpose (line 495) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<Option<T>>::flatten (line 472) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<Result<T,E>>::transpose (line 616) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<(T,U)>::unzip (line 579) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<Result<T,E>>::transpose (line 605) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<SingleVec<T>>::flatten (line 529) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<(T,U)>::unzip (line 585) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::clear (line 211) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<SingleVec<T>>::flatten (line 523) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::filter (line 233) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::filter (line 227) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::filter_map (line 275) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::filter_map (line 281) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::pop (line 99) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::fold (line 345) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::pop (line 92) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::push (line 53) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::map (line 250) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::reduce (line 314) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::reduce (line 308) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::map (line 256) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::retain (line 406) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::zip (line 370) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<Vec<T>>::flatten (line 548) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::reduce (line 320) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::retain (line 399) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<Vec<T>>::flatten (line 554) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::retain_mut (line 444) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::retain_mut (line 432) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<Vec<T>>::flatten (line 560) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::zip (line 363) ... ok
[INFO] [stdout] test src/lib.rs - SingleVec<T>::zip (line 377) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fb077013047327eda821b3950121ccf57447dc306c4b841a0a53363778c7fbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb077013047327eda821b3950121ccf57447dc306c4b841a0a53363778c7fbc7", kill_on_drop: false }`
[INFO] [stdout] fb077013047327eda821b3950121ccf57447dc306c4b841a0a53363778c7fbc7