[INFO] fetching crate prev-iter 0.2.0...
[INFO] testing prev-iter-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate prev-iter 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate prev-iter 0.2.0
[INFO] finished tweaking crates.io crate prev-iter 0.2.0
[INFO] tweaked toml for crates.io crate prev-iter 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prev-iter 0.2.0 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62044f2897744d58cc59dd8fb47b9d3e196b6bbba4321d31f2c2782e1b135185
[INFO] running `Command { std: "docker" "start" "-a" "62044f2897744d58cc59dd8fb47b9d3e196b6bbba4321d31f2c2782e1b135185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62044f2897744d58cc59dd8fb47b9d3e196b6bbba4321d31f2c2782e1b135185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62044f2897744d58cc59dd8fb47b9d3e196b6bbba4321d31f2c2782e1b135185", kill_on_drop: false }`
[INFO] [stdout] 62044f2897744d58cc59dd8fb47b9d3e196b6bbba4321d31f2c2782e1b135185
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f7453da56555c5f627212a395fe15d74dad96268c1ae8b3fabb1f2fabd729f0
[INFO] running `Command { std: "docker" "start" "-a" "4f7453da56555c5f627212a395fe15d74dad96268c1ae8b3fabb1f2fabd729f0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling prev-iter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "4f7453da56555c5f627212a395fe15d74dad96268c1ae8b3fabb1f2fabd729f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7453da56555c5f627212a395fe15d74dad96268c1ae8b3fabb1f2fabd729f0", kill_on_drop: false }`
[INFO] [stdout] 4f7453da56555c5f627212a395fe15d74dad96268c1ae8b3fabb1f2fabd729f0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37bbd5db757fa628b66942e8d2d0ea7a0b1ed2e71b6de3e4d6507d1c98cf12df
[INFO] running `Command { std: "docker" "start" "-a" "37bbd5db757fa628b66942e8d2d0ea7a0b1ed2e71b6de3e4d6507d1c98cf12df", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling prev-iter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "37bbd5db757fa628b66942e8d2d0ea7a0b1ed2e71b6de3e4d6507d1c98cf12df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37bbd5db757fa628b66942e8d2d0ea7a0b1ed2e71b6de3e4d6507d1c98cf12df", kill_on_drop: false }`
[INFO] [stdout] 37bbd5db757fa628b66942e8d2d0ea7a0b1ed2e71b6de3e4d6507d1c98cf12df
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1949d0e4596f0675aebe626aaa3ff16a4b381a283db1cce8f3561f64b6085f8d
[INFO] running `Command { std: "docker" "start" "-a" "1949d0e4596f0675aebe626aaa3ff16a4b381a283db1cce8f3561f64b6085f8d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prev_iter-a52c6a35a68dae8a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_next ... ok
[INFO] [stdout] test tests::test_prev ... ok
[INFO] [stdout] test tests::test_prev_peek ... ok
[INFO] [stdout] test tests::test_peek ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prev_iter
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - PrevPeekable<I>::peek (line 80) ... ok
[INFO] [stdout] test src/lib.rs - PrevPeekable<I>::new (line 45) ... ok
[INFO] [stdout] test src/lib.rs - PrevPeekable<I>::prev (line 114) ... ok
[INFO] [stdout] test src/lib.rs - PrevPeekable<I>::prev_peek (line 152) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1949d0e4596f0675aebe626aaa3ff16a4b381a283db1cce8f3561f64b6085f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1949d0e4596f0675aebe626aaa3ff16a4b381a283db1cce8f3561f64b6085f8d", kill_on_drop: false }`
[INFO] [stdout] 1949d0e4596f0675aebe626aaa3ff16a4b381a283db1cce8f3561f64b6085f8d