[INFO] fetching crate nonblocking-channel 0.1.0...
[INFO] testing nonblocking-channel-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate nonblocking-channel 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate nonblocking-channel 0.1.0
[INFO] finished tweaking crates.io crate nonblocking-channel 0.1.0
[INFO] tweaked toml for crates.io crate nonblocking-channel 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nonblocking-channel 0.1.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding ringbuf v0.3.3 (available: v0.4.8)
[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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 836bd9f7f13634f9fa2c97721fd296d8919bb5832af2a7d27e6c99e4e44922df
[INFO] running `Command { std: "docker" "start" "-a" "836bd9f7f13634f9fa2c97721fd296d8919bb5832af2a7d27e6c99e4e44922df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "836bd9f7f13634f9fa2c97721fd296d8919bb5832af2a7d27e6c99e4e44922df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836bd9f7f13634f9fa2c97721fd296d8919bb5832af2a7d27e6c99e4e44922df", kill_on_drop: false }`
[INFO] [stdout] 836bd9f7f13634f9fa2c97721fd296d8919bb5832af2a7d27e6c99e4e44922df
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b70394a13f3bdea65266c6614a3079d2f369a0fb7778b7f4e9fc05ed44acbff
[INFO] running `Command { std: "docker" "start" "-a" "9b70394a13f3bdea65266c6614a3079d2f369a0fb7778b7f4e9fc05ed44acbff", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling ringbuf v0.3.3
[INFO] [stderr]    Compiling nonblocking-channel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "9b70394a13f3bdea65266c6614a3079d2f369a0fb7778b7f4e9fc05ed44acbff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b70394a13f3bdea65266c6614a3079d2f369a0fb7778b7f4e9fc05ed44acbff", kill_on_drop: false }`
[INFO] [stdout] 9b70394a13f3bdea65266c6614a3079d2f369a0fb7778b7f4e9fc05ed44acbff
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a2a2e2e8bf8886169efa6d15b1bdcb4924c9028ba2f649dd7c0f178497e1e15
[INFO] running `Command { std: "docker" "start" "-a" "1a2a2e2e8bf8886169efa6d15b1bdcb4924c9028ba2f649dd7c0f178497e1e15", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.105
[INFO] [stderr]    Compiling wasm-bindgen v0.2.105
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.105
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.55
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.105
[INFO] [stderr]    Compiling js-sys v0.3.82
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.55
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.55
[INFO] [stderr]    Compiling nonblocking-channel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.76s
[INFO] running `Command { std: "docker" "inspect" "1a2a2e2e8bf8886169efa6d15b1bdcb4924c9028ba2f649dd7c0f178497e1e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2a2e2e8bf8886169efa6d15b1bdcb4924c9028ba2f649dd7c0f178497e1e15", kill_on_drop: false }`
[INFO] [stdout] 1a2a2e2e8bf8886169efa6d15b1bdcb4924c9028ba2f649dd7c0f178497e1e15
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d02c8dbb1e16287ecf5680ad14b0b19216d6f765991aa529b4b5b923abb36e1
[INFO] running `Command { std: "docker" "start" "-a" "4d02c8dbb1e16287ecf5680ad14b0b19216d6f765991aa529b4b5b923abb36e1", 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/nonblocking_channel-1df5310437e72cb9)
[INFO] [stderr]    Doc-tests nonblocking_channel
[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] [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" "4d02c8dbb1e16287ecf5680ad14b0b19216d6f765991aa529b4b5b923abb36e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d02c8dbb1e16287ecf5680ad14b0b19216d6f765991aa529b4b5b923abb36e1", kill_on_drop: false }`
[INFO] [stdout] 4d02c8dbb1e16287ecf5680ad14b0b19216d6f765991aa529b4b5b923abb36e1