[INFO] fetching crate seekable-iterator 0.3.1...
[INFO] testing seekable-iterator-0.3.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate seekable-iterator 0.3.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate seekable-iterator 0.3.1
[INFO] finished tweaking crates.io crate seekable-iterator 0.3.1
[INFO] tweaked toml for crates.io crate seekable-iterator 0.3.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seekable-iterator 0.3.1 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 seekable-iterator 0.3.1 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 141238ee093f2b4d9aa89a89559d94ba488210b7b0266b22dd560160e1973f0b
[INFO] running `Command { std: "docker" "start" "-a" "141238ee093f2b4d9aa89a89559d94ba488210b7b0266b22dd560160e1973f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "141238ee093f2b4d9aa89a89559d94ba488210b7b0266b22dd560160e1973f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "141238ee093f2b4d9aa89a89559d94ba488210b7b0266b22dd560160e1973f0b", kill_on_drop: false }`
[INFO] [stdout] 141238ee093f2b4d9aa89a89559d94ba488210b7b0266b22dd560160e1973f0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 68db2f7b7079965d8173b23c9d38ef33e36585ee7e62c3e15b1211d67b5a18f9
[INFO] running `Command { std: "docker" "start" "-a" "68db2f7b7079965d8173b23c9d38ef33e36585ee7e62c3e15b1211d67b5a18f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-container v0.2.1
[INFO] [stderr]    Compiling clone-behavior v0.0.1
[INFO] [stderr]    Compiling seekable-iterator v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "68db2f7b7079965d8173b23c9d38ef33e36585ee7e62c3e15b1211d67b5a18f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68db2f7b7079965d8173b23c9d38ef33e36585ee7e62c3e15b1211d67b5a18f9", kill_on_drop: false }`
[INFO] [stdout] 68db2f7b7079965d8173b23c9d38ef33e36585ee7e62c3e15b1211d67b5a18f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 800381533fdf29a4fab6251dd7a4024b9887110753db331733b36df370824c9c
[INFO] running `Command { std: "docker" "start" "-a" "800381533fdf29a4fab6251dd7a4024b9887110753db331733b36df370824c9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling seekable-iterator v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "800381533fdf29a4fab6251dd7a4024b9887110753db331733b36df370824c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "800381533fdf29a4fab6251dd7a4024b9887110753db331733b36df370824c9c", kill_on_drop: false }`
[INFO] [stdout] 800381533fdf29a4fab6251dd7a4024b9887110753db331733b36df370824c9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 979cf96dff285831081c66482e3c36ddcbc2010a8f26463fce66c786817c1864
[INFO] running `Command { std: "docker" "start" "-a" "979cf96dff285831081c66482e3c36ddcbc2010a8f26463fce66c786817c1864", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/seekable_iterator-84a33579a2dc3010)
[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]    Doc-tests seekable_iterator
[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" "979cf96dff285831081c66482e3c36ddcbc2010a8f26463fce66c786817c1864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "979cf96dff285831081c66482e3c36ddcbc2010a8f26463fce66c786817c1864", kill_on_drop: false }`
[INFO] [stdout] 979cf96dff285831081c66482e3c36ddcbc2010a8f26463fce66c786817c1864