[INFO] fetching crate ringbuf-rs 0.2.6...
[INFO] testing ringbuf-rs-0.2.6 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ringbuf-rs 0.2.6 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ringbuf-rs 0.2.6
[INFO] finished tweaking crates.io crate ringbuf-rs 0.2.6
[INFO] tweaked toml for crates.io crate ringbuf-rs 0.2.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ringbuf-rs 0.2.6 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26d5bda0767ee696b9df2a51d7fa937cbc997b8db26d7bd822d33a34edb37653
[INFO] running `Command { std: "docker" "start" "-a" "26d5bda0767ee696b9df2a51d7fa937cbc997b8db26d7bd822d33a34edb37653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26d5bda0767ee696b9df2a51d7fa937cbc997b8db26d7bd822d33a34edb37653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d5bda0767ee696b9df2a51d7fa937cbc997b8db26d7bd822d33a34edb37653", kill_on_drop: false }`
[INFO] [stdout] 26d5bda0767ee696b9df2a51d7fa937cbc997b8db26d7bd822d33a34edb37653
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0a35c5654439d29c089e49639ae88ca206a0f013512c752f2c50f95cf2688ff
[INFO] running `Command { std: "docker" "start" "-a" "f0a35c5654439d29c089e49639ae88ca206a0f013512c752f2c50f95cf2688ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringbuf-rs v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "f0a35c5654439d29c089e49639ae88ca206a0f013512c752f2c50f95cf2688ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a35c5654439d29c089e49639ae88ca206a0f013512c752f2c50f95cf2688ff", kill_on_drop: false }`
[INFO] [stdout] f0a35c5654439d29c089e49639ae88ca206a0f013512c752f2c50f95cf2688ff
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5b0cb1da16810ce29a6780b9cdcb85719928d480d091b35385ee5f51f4a2d67
[INFO] running `Command { std: "docker" "start" "-a" "b5b0cb1da16810ce29a6780b9cdcb85719928d480d091b35385ee5f51f4a2d67", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringbuf-rs v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "b5b0cb1da16810ce29a6780b9cdcb85719928d480d091b35385ee5f51f4a2d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b0cb1da16810ce29a6780b9cdcb85719928d480d091b35385ee5f51f4a2d67", kill_on_drop: false }`
[INFO] [stdout] b5b0cb1da16810ce29a6780b9cdcb85719928d480d091b35385ee5f51f4a2d67
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a03a06cbfd237bf97bfb7cbfd07ea984d6df61d73ab2f9ae7eb8d2bac126962
[INFO] running `Command { std: "docker" "start" "-a" "1a03a06cbfd237bf97bfb7cbfd07ea984d6df61d73ab2f9ae7eb8d2bac126962", 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/ringbuf_rs-b48a85c117a5b7a2)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_ring_buf ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ringbuf_rs
[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" "1a03a06cbfd237bf97bfb7cbfd07ea984d6df61d73ab2f9ae7eb8d2bac126962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a03a06cbfd237bf97bfb7cbfd07ea984d6df61d73ab2f9ae7eb8d2bac126962", kill_on_drop: false }`
[INFO] [stdout] 1a03a06cbfd237bf97bfb7cbfd07ea984d6df61d73ab2f9ae7eb8d2bac126962