[INFO] fetching crate swap_channel 0.3.0...
[INFO] testing swap_channel-0.3.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate swap_channel 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate swap_channel 0.3.0
[INFO] finished tweaking crates.io crate swap_channel 0.3.0
[INFO] tweaked toml for crates.io crate swap_channel 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swap_channel 0.3.0 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]     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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6191c9dea31c9680d3e48472e555516aa9e26080a97111ee26874d4eb3392a74
[INFO] running `Command { std: "docker" "start" "-a" "6191c9dea31c9680d3e48472e555516aa9e26080a97111ee26874d4eb3392a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6191c9dea31c9680d3e48472e555516aa9e26080a97111ee26874d4eb3392a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6191c9dea31c9680d3e48472e555516aa9e26080a97111ee26874d4eb3392a74", kill_on_drop: false }`
[INFO] [stdout] 6191c9dea31c9680d3e48472e555516aa9e26080a97111ee26874d4eb3392a74
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f7b6a20d4b240f54fda1e83bfad9f13ae44d73182351da84709a6c5cade13da
[INFO] running `Command { std: "docker" "start" "-a" "4f7b6a20d4b240f54fda1e83bfad9f13ae44d73182351da84709a6c5cade13da", kill_on_drop: false }`
[INFO] [stderr]    Compiling swap_channel v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "4f7b6a20d4b240f54fda1e83bfad9f13ae44d73182351da84709a6c5cade13da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7b6a20d4b240f54fda1e83bfad9f13ae44d73182351da84709a6c5cade13da", kill_on_drop: false }`
[INFO] [stdout] 4f7b6a20d4b240f54fda1e83bfad9f13ae44d73182351da84709a6c5cade13da
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b447cff1964d67cad45fbde8ef051cef8fd3b5cd8a824ad79cf853f0da3f0fe3
[INFO] running `Command { std: "docker" "start" "-a" "b447cff1964d67cad45fbde8ef051cef8fd3b5cd8a824ad79cf853f0da3f0fe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling swap_channel v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "b447cff1964d67cad45fbde8ef051cef8fd3b5cd8a824ad79cf853f0da3f0fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b447cff1964d67cad45fbde8ef051cef8fd3b5cd8a824ad79cf853f0da3f0fe3", kill_on_drop: false }`
[INFO] [stdout] b447cff1964d67cad45fbde8ef051cef8fd3b5cd8a824ad79cf853f0da3f0fe3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e38cbb191b5920e7bfdcdb092432b3ea07b41c01442309663df1b08bd5419644
[INFO] running `Command { std: "docker" "start" "-a" "e38cbb191b5920e7bfdcdb092432b3ea07b41c01442309663df1b08bd5419644", 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/swap_channel-87965bd952750d1f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests swap_channel
[INFO] [stdout] running 4 tests
[INFO] [stdout] test undirected::tests::ensure_channel_is_object_safe ... ok
[INFO] [stdout] test directed::tests::ensure_channel_is_object_safe ... ok
[INFO] [stdout] test directed::tests::test ... ok
[INFO] [stdout] test undirected::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "e38cbb191b5920e7bfdcdb092432b3ea07b41c01442309663df1b08bd5419644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e38cbb191b5920e7bfdcdb092432b3ea07b41c01442309663df1b08bd5419644", kill_on_drop: false }`
[INFO] [stdout] e38cbb191b5920e7bfdcdb092432b3ea07b41c01442309663df1b08bd5419644