[INFO] fetching crate message-channel 0.0.1...
[INFO] testing message-channel-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate message-channel 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate message-channel 0.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate message-channel 0.0.1
[INFO] tweaked toml for crates.io crate message-channel 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate message-channel 0.0.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2c2edc37405e646ecd5ee067e74365885662913017b4f3b97ef0f1dafebbdb6c
[INFO] running `Command { std: "docker" "start" "-a" "2c2edc37405e646ecd5ee067e74365885662913017b4f3b97ef0f1dafebbdb6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c2edc37405e646ecd5ee067e74365885662913017b4f3b97ef0f1dafebbdb6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c2edc37405e646ecd5ee067e74365885662913017b4f3b97ef0f1dafebbdb6c", kill_on_drop: false }`
[INFO] [stdout] 2c2edc37405e646ecd5ee067e74365885662913017b4f3b97ef0f1dafebbdb6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7f2bd0344ad537201db39a7962c8e305292879f05deabbe62d0b2f5969a59a9d
[INFO] running `Command { std: "docker" "start" "-a" "7f2bd0344ad537201db39a7962c8e305292879f05deabbe62d0b2f5969a59a9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling message-channel v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "7f2bd0344ad537201db39a7962c8e305292879f05deabbe62d0b2f5969a59a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f2bd0344ad537201db39a7962c8e305292879f05deabbe62d0b2f5969a59a9d", kill_on_drop: false }`
[INFO] [stdout] 7f2bd0344ad537201db39a7962c8e305292879f05deabbe62d0b2f5969a59a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c52d858847a3a9ec7dd2def7d616a18199548d4f362e1d90ae0392c3d0eb019c
[INFO] running `Command { std: "docker" "start" "-a" "c52d858847a3a9ec7dd2def7d616a18199548d4f362e1d90ae0392c3d0eb019c", kill_on_drop: false }`
[INFO] [stderr]    Compiling message-channel v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "c52d858847a3a9ec7dd2def7d616a18199548d4f362e1d90ae0392c3d0eb019c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c52d858847a3a9ec7dd2def7d616a18199548d4f362e1d90ae0392c3d0eb019c", kill_on_drop: false }`
[INFO] [stdout] c52d858847a3a9ec7dd2def7d616a18199548d4f362e1d90ae0392c3d0eb019c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7b4c71e7f1841afb91afca9e0a7984a2437677953e11f5cedf623a30604bb2ab
[INFO] running `Command { std: "docker" "start" "-a" "7b4c71e7f1841afb91afca9e0a7984a2437677953e11f5cedf623a30604bb2ab", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/message_channel-b4507035f797890d)
[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/tests.rs (/opt/rustwide/target/debug/deps/tests-f1e5f4c14d0830f2)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test receive_empty_channel ... ok
[INFO] [stdout] test concurrent_send_receive ... ok
[INFO] [stdout] test send_receive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests message_channel
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Channel<T>::create (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::recv (line 134) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::send (line 96) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b4c71e7f1841afb91afca9e0a7984a2437677953e11f5cedf623a30604bb2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b4c71e7f1841afb91afca9e0a7984a2437677953e11f5cedf623a30604bb2ab", kill_on_drop: false }`
[INFO] [stdout] 7b4c71e7f1841afb91afca9e0a7984a2437677953e11f5cedf623a30604bb2ab