[INFO] fetching crate peekable-buffer 1.0.0...
[INFO] testing peekable-buffer-1.0.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate peekable-buffer 1.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate peekable-buffer 1.0.0
[INFO] finished tweaking crates.io crate peekable-buffer 1.0.0
[INFO] tweaked toml for crates.io crate peekable-buffer 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate peekable-buffer 1.0.0 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] 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ef95fba7146e4c17dda866ec2a137de689e6c938f661b98284ec5026df65b0ad
[INFO] running `Command { std: "docker" "start" "-a" "ef95fba7146e4c17dda866ec2a137de689e6c938f661b98284ec5026df65b0ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef95fba7146e4c17dda866ec2a137de689e6c938f661b98284ec5026df65b0ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef95fba7146e4c17dda866ec2a137de689e6c938f661b98284ec5026df65b0ad", kill_on_drop: false }`
[INFO] [stdout] ef95fba7146e4c17dda866ec2a137de689e6c938f661b98284ec5026df65b0ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 53e85d59abb8728fa80407a98f450d50c7095a2bce8fbdf64cd14af444837e01
[INFO] running `Command { std: "docker" "start" "-a" "53e85d59abb8728fa80407a98f450d50c7095a2bce8fbdf64cd14af444837e01", kill_on_drop: false }`
[INFO] [stderr]    Compiling peekable-buffer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "53e85d59abb8728fa80407a98f450d50c7095a2bce8fbdf64cd14af444837e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e85d59abb8728fa80407a98f450d50c7095a2bce8fbdf64cd14af444837e01", kill_on_drop: false }`
[INFO] [stdout] 53e85d59abb8728fa80407a98f450d50c7095a2bce8fbdf64cd14af444837e01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 70a5583588118a29c5b218db1ed5e35a9bbe6e560eb23d5cb6845ddc047e6f03
[INFO] running `Command { std: "docker" "start" "-a" "70a5583588118a29c5b218db1ed5e35a9bbe6e560eb23d5cb6845ddc047e6f03", kill_on_drop: false }`
[INFO] [stderr]    Compiling peekable-buffer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "70a5583588118a29c5b218db1ed5e35a9bbe6e560eb23d5cb6845ddc047e6f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a5583588118a29c5b218db1ed5e35a9bbe6e560eb23d5cb6845ddc047e6f03", kill_on_drop: false }`
[INFO] [stdout] 70a5583588118a29c5b218db1ed5e35a9bbe6e560eb23d5cb6845ddc047e6f03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b6aa04cb50821d393422b84379a07448c6db330d4288f5f5f043b4f5c310a59b
[INFO] running `Command { std: "docker" "start" "-a" "b6aa04cb50821d393422b84379a07448c6db330d4288f5f5f043b4f5c310a59b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 15 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/peekable_buffer-234110c6fc0fd998)
[INFO] [stdout] test tests::test_is_at_end ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_pos_consume ... ok
[INFO] [stdout] test tests::test_readme_example ... ok
[INFO] [stdout] test tests::test_set_pos ... ok
[INFO] [stdout] test tests::test_shift_advance ... ok
[INFO] [stdout] test tests::test_slice_between ... ok
[INFO] [stdout] test tests::test_take ... ok
[INFO] [stdout] test tests::test_accept ... ok
[INFO] [stdout] test tests::test_take_while_predicate_consumes_entire_stream ... ok
[INFO] [stdout] test tests::test_take_while_predicate_consumes_no_elements ... ok
[INFO] [stdout] test tests::test_take_while_consumes_part_of_stream ... ok
[INFO] [stdout] test tests::test_lookaround_peek_current ... ok
[INFO] [stdout] test tests::test_slice_from ... ok
[INFO] [stdout] test tests::test_slice_between_panicking - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests peekable_buffer
[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" "b6aa04cb50821d393422b84379a07448c6db330d4288f5f5f043b4f5c310a59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6aa04cb50821d393422b84379a07448c6db330d4288f5f5f043b4f5c310a59b", kill_on_drop: false }`
[INFO] [stdout] b6aa04cb50821d393422b84379a07448c6db330d4288f5f5f043b4f5c310a59b