[INFO] fetching crate rbuf 0.1.4...
[INFO] testing rbuf-0.1.4 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rbuf 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rbuf 0.1.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rbuf 0.1.4
[INFO] tweaked toml for crates.io crate rbuf 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rbuf 0.1.4 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 rbuf 0.1.4 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 961e13bbb9c5f024a1808f613aa48f81f7e1ae5ae74bc1f89caf371ef7d493a8
[INFO] running `Command { std: "docker" "start" "-a" "961e13bbb9c5f024a1808f613aa48f81f7e1ae5ae74bc1f89caf371ef7d493a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "961e13bbb9c5f024a1808f613aa48f81f7e1ae5ae74bc1f89caf371ef7d493a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "961e13bbb9c5f024a1808f613aa48f81f7e1ae5ae74bc1f89caf371ef7d493a8", kill_on_drop: false }`
[INFO] [stdout] 961e13bbb9c5f024a1808f613aa48f81f7e1ae5ae74bc1f89caf371ef7d493a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b91b522f14c1c95b4f6445825e5704ca49aaede6d62ddf5e36d733e54e01d974
[INFO] running `Command { std: "docker" "start" "-a" "b91b522f14c1c95b4f6445825e5704ca49aaede6d62ddf5e36d733e54e01d974", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbuf v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "b91b522f14c1c95b4f6445825e5704ca49aaede6d62ddf5e36d733e54e01d974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91b522f14c1c95b4f6445825e5704ca49aaede6d62ddf5e36d733e54e01d974", kill_on_drop: false }`
[INFO] [stdout] b91b522f14c1c95b4f6445825e5704ca49aaede6d62ddf5e36d733e54e01d974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] afbd309c33f6dada8d6f20e888c4993907bb4f4a828f03e534f0f3da4e0101ac
[INFO] running `Command { std: "docker" "start" "-a" "afbd309c33f6dada8d6f20e888c4993907bb4f4a828f03e534f0f3da4e0101ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbuf v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "afbd309c33f6dada8d6f20e888c4993907bb4f4a828f03e534f0f3da4e0101ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afbd309c33f6dada8d6f20e888c4993907bb4f4a828f03e534f0f3da4e0101ac", kill_on_drop: false }`
[INFO] [stdout] afbd309c33f6dada8d6f20e888c4993907bb4f4a828f03e534f0f3da4e0101ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 093571774b89a1f47531da56eb1b4e830305abfb963c84ac83e470e15ceef6a1
[INFO] running `Command { std: "docker" "start" "-a" "093571774b89a1f47531da56eb1b4e830305abfb963c84ac83e470e15ceef6a1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rbuf-d722599255d463d4)
[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/test.rs (/opt/rustwide/target/debug/deps/test-43d6c291dc295f4c)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test boxed_slice ... ok
[INFO] [stdout] test buf_index ... ok
[INFO] [stdout] test buf_len ... ok
[INFO] [stdout] test double_ended_iter ... ok
[INFO] [stdout] test front_back ... ok
[INFO] [stdout] test iter_next ... ok
[INFO] [stdout] test front_back_mut ... ok
[INFO] [stdout] test mutating_iter ... ok
[INFO] [stdout] test iter_size_hint ... ok
[INFO] [stdout] test ring_buf_macro ... ok
[INFO] [stderr]    Doc-tests rbuf
[INFO] [stdout] test no_mutable_iterator_with_zst - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "093571774b89a1f47531da56eb1b4e830305abfb963c84ac83e470e15ceef6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093571774b89a1f47531da56eb1b4e830305abfb963c84ac83e470e15ceef6a1", kill_on_drop: false }`
[INFO] [stdout] 093571774b89a1f47531da56eb1b4e830305abfb963c84ac83e470e15ceef6a1