[INFO] fetching crate peekaboo 0.3.0... [INFO] testing peekaboo-0.3.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate peekaboo 0.3.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate peekaboo 0.3.0 [INFO] finished tweaking crates.io crate peekaboo 0.3.0 [INFO] tweaked toml for crates.io crate peekaboo 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate peekaboo 0.3.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 644f0e656e71c202f9e33bb669330bd1ab1af77de4a1431b51cbb45b8867b6f8 [INFO] running `Command { std: "docker" "start" "-a" "644f0e656e71c202f9e33bb669330bd1ab1af77de4a1431b51cbb45b8867b6f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "644f0e656e71c202f9e33bb669330bd1ab1af77de4a1431b51cbb45b8867b6f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "644f0e656e71c202f9e33bb669330bd1ab1af77de4a1431b51cbb45b8867b6f8", kill_on_drop: false }` [INFO] [stdout] 644f0e656e71c202f9e33bb669330bd1ab1af77de4a1431b51cbb45b8867b6f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cf4a7b69fdda4b5c277e805871190b059d5971245b692a1b51dfcbf59951f34c [INFO] running `Command { std: "docker" "start" "-a" "cf4a7b69fdda4b5c277e805871190b059d5971245b692a1b51dfcbf59951f34c", kill_on_drop: false }` [INFO] [stderr] Compiling peekaboo v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "cf4a7b69fdda4b5c277e805871190b059d5971245b692a1b51dfcbf59951f34c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf4a7b69fdda4b5c277e805871190b059d5971245b692a1b51dfcbf59951f34c", kill_on_drop: false }` [INFO] [stdout] cf4a7b69fdda4b5c277e805871190b059d5971245b692a1b51dfcbf59951f34c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9fc2bc224004a483ec9339f25e33ce6a987a6deecd79981440c800adff13d26a [INFO] running `Command { std: "docker" "start" "-a" "9fc2bc224004a483ec9339f25e33ce6a987a6deecd79981440c800adff13d26a", kill_on_drop: false }` [INFO] [stderr] Compiling peekaboo v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.09s [INFO] running `Command { std: "docker" "inspect" "9fc2bc224004a483ec9339f25e33ce6a987a6deecd79981440c800adff13d26a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fc2bc224004a483ec9339f25e33ce6a987a6deecd79981440c800adff13d26a", kill_on_drop: false }` [INFO] [stdout] 9fc2bc224004a483ec9339f25e33ce6a987a6deecd79981440c800adff13d26a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9963ea1b850e1f0e8ad36c5badc0d8bbe3f753916782cee590e7cded2c7f43ba [INFO] running `Command { std: "docker" "start" "-a" "9963ea1b850e1f0e8ad36c5badc0d8bbe3f753916782cee590e7cded2c7f43ba", 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/peekaboo-de5ec02eb2ecc20b) [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] [stderr] Running tests/main.rs (/opt/rustwide/target/debug/deps/main-1d7068bb8f381f7f) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test count ... ok [INFO] [stdout] test it_works ... ok [INFO] [stdout] test next_back ... ok [INFO] [stdout] test next_if ... ok [INFO] [stdout] test next_if_eq ... ok [INFO] [stdout] test nth ... ok [INFO] [stdout] test last ... ok [INFO] [stdout] test peek_multiple ... ok [INFO] [stdout] test rfold ... ok [INFO] [stdout] test size_hint ... ok [INFO] [stdout] test unchecked_works ... ok [INFO] [stdout] test fold ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [INFO] [stderr] Running tests/std.rs (/opt/rustwide/target/debug/deps/std-cd6e7ead08045097) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test test_iterator_peekable_mut ... ok [INFO] [stdout] test test_iterator_peekable_next_if_eq ... ok [INFO] [stdout] test test_iterator_peekable_remember_peek_none_1 ... ok [INFO] [stdout] test test_iterator_peekable_last ... ok [INFO] [stdout] test test_iterator_peekable_fold ... ok [INFO] [stdout] test test_iterator_peekable_remember_peek_none_2 ... ok [INFO] [stdout] test test_iterator_peekable_nth ... ok [INFO] [stdout] test test_iterator_peekable_remember_peek_none_3 ... ok [INFO] [stdout] test test_iterator_peekable ... ok [INFO] [stdout] test test_iterator_peekable_rfold ... ok [INFO] [stdout] test test_peek_try_folds ... ok [INFO] [stdout] test test_peekable_non_fused ... ok [INFO] [stderr] Doc-tests peekaboo [INFO] [stdout] test test_iterator_peekable_count ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/lib.rs - Peekable::new (line 77) - compile fail ... ok [INFO] [stdout] test src/lib.rs - Peekable::peek (line 116) - compile fail ... ok [INFO] [stdout] test src/lib.rs - Peekable::peek_mut (line 193) - compile fail ... ok [INFO] [stdout] test src/lib.rs - Peekable::peek_multiple (line 275) - compile fail ... ok [INFO] [stdout] test src/lib.rs - Peekable::peek_multiple (line 254) - compile fail ... ok [INFO] [stdout] test src/lib.rs - Peekable::peek_multiple (line 264) ... ok [INFO] [stdout] test src/lib.rs - (line 9) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9963ea1b850e1f0e8ad36c5badc0d8bbe3f753916782cee590e7cded2c7f43ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9963ea1b850e1f0e8ad36c5badc0d8bbe3f753916782cee590e7cded2c7f43ba", kill_on_drop: false }` [INFO] [stdout] 9963ea1b850e1f0e8ad36c5badc0d8bbe3f753916782cee590e7cded2c7f43ba