[INFO] fetching crate double-ended-peekable 0.1.0...
[INFO] testing double-ended-peekable-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate double-ended-peekable 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate double-ended-peekable 0.1.0
[INFO] finished tweaking crates.io crate double-ended-peekable 0.1.0
[INFO] tweaked toml for crates.io crate double-ended-peekable 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate double-ended-peekable 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a34d1978ac36ed9c3f8ca98b99f1511af6006d711098bdbbda5d682dc976e864
[INFO] running `Command { std: "docker" "start" "-a" "a34d1978ac36ed9c3f8ca98b99f1511af6006d711098bdbbda5d682dc976e864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a34d1978ac36ed9c3f8ca98b99f1511af6006d711098bdbbda5d682dc976e864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a34d1978ac36ed9c3f8ca98b99f1511af6006d711098bdbbda5d682dc976e864", kill_on_drop: false }`
[INFO] [stdout] a34d1978ac36ed9c3f8ca98b99f1511af6006d711098bdbbda5d682dc976e864
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f48af6d99495678ad8c81d01b78a9c6c641a4a41644c4f6d45be1e7ea1496f08
[INFO] running `Command { std: "docker" "start" "-a" "f48af6d99495678ad8c81d01b78a9c6c641a4a41644c4f6d45be1e7ea1496f08", kill_on_drop: false }`
[INFO] [stderr]    Compiling double-ended-peekable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "f48af6d99495678ad8c81d01b78a9c6c641a4a41644c4f6d45be1e7ea1496f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f48af6d99495678ad8c81d01b78a9c6c641a4a41644c4f6d45be1e7ea1496f08", kill_on_drop: false }`
[INFO] [stdout] f48af6d99495678ad8c81d01b78a9c6c641a4a41644c4f6d45be1e7ea1496f08
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f6a9fa33eff39cee933f1ec37957240ffd94b8a273ff1ed38ebeb0304a5b4ca
[INFO] running `Command { std: "docker" "start" "-a" "1f6a9fa33eff39cee933f1ec37957240ffd94b8a273ff1ed38ebeb0304a5b4ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling double-ended-peekable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "1f6a9fa33eff39cee933f1ec37957240ffd94b8a273ff1ed38ebeb0304a5b4ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f6a9fa33eff39cee933f1ec37957240ffd94b8a273ff1ed38ebeb0304a5b4ca", kill_on_drop: false }`
[INFO] [stdout] 1f6a9fa33eff39cee933f1ec37957240ffd94b8a273ff1ed38ebeb0304a5b4ca
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eac981e89c90853c1dae18c14db1e429173e6c9dcaa72836c018cf9ccff73bab
[INFO] running `Command { std: "docker" "start" "-a" "eac981e89c90853c1dae18c14db1e429173e6c9dcaa72836c018cf9ccff73bab", 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/double_ended_peekable-29235d90c8bd68e6)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tests::debug ... ok
[INFO] [stdout] test tests::clone ... ok
[INFO] [stdout] test tests::double_ended_iterator ... ok
[INFO] [stdout] test tests::hash ... ok
[INFO] [stdout] test tests::iterator ... ok
[INFO] [stdout] test tests::next_back_if_eq ... ok
[INFO] [stdout] test tests::next_back_if ... ok
[INFO] [stdout] test tests::next_front_back_if_eq ... ok
[INFO] [stdout] test tests::next_front_back_if_even ... ok
[INFO] [stdout] test tests::next_if ... ok
[INFO] [stdout] test tests::next_front_back_if_odd ... ok
[INFO] [stdout] test tests::next_if_eq ... ok
[INFO] [stdout] test tests::partial_eq ... ok
[INFO] [stdout] test tests::peek_and_peek_back_forward ... ok
[INFO] [stdout] test tests::peek_back ... ok
[INFO] [stdout] test tests::peek_back_mut ... ok
[INFO] [stdout] test tests::peek_and_peek_back_backward ... ok
[INFO] [stdout] test tests::peek_mut ... ok
[INFO] [stdout] test tests::peek ... ok
[INFO] [stdout] test tests::size_hint ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests double_ended_peekable
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - DoubleEndedPeekable<I>::next_back_if_eq (line 303) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - DoubleEndedPeekable<I>::next_front_back_if (line 332) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - DoubleEndedPeekable<I>::next_back_if (line 278) ... ok
[INFO] [stdout] test src/lib.rs - DoubleEndedPeekable<I>::peek_back (line 182) ... ok
[INFO] [stdout] test src/lib.rs - DoubleEndedPeekable<I>::peek_back_mut (line 229) ... ok
[INFO] [stdout] test src/lib.rs - DoubleEndedPeekable<I>::next_front_back_if_eq (line 378) ... ok
[INFO] [stdout] test src/lib.rs - DoubleEndedPeekable<I>::next_front_back_if (line 347) ... ok
[INFO] [stdout] test src/lib.rs - DoubleEndedPeekable<I>::next_back_if (line 264) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eac981e89c90853c1dae18c14db1e429173e6c9dcaa72836c018cf9ccff73bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac981e89c90853c1dae18c14db1e429173e6c9dcaa72836c018cf9ccff73bab", kill_on_drop: false }`
[INFO] [stdout] eac981e89c90853c1dae18c14db1e429173e6c9dcaa72836c018cf9ccff73bab