[INFO] fetching crate swap_channel 0.3.0...
[INFO] testing swap_channel-0.3.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate swap_channel 0.3.0 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swap_channel 0.3.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e9923fa4877439ff175dcc458c2fce1ea6380443b9b9e92b8b260389b7876a8
[INFO] running `Command { std: "docker" "start" "-a" "7e9923fa4877439ff175dcc458c2fce1ea6380443b9b9e92b8b260389b7876a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e9923fa4877439ff175dcc458c2fce1ea6380443b9b9e92b8b260389b7876a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e9923fa4877439ff175dcc458c2fce1ea6380443b9b9e92b8b260389b7876a8", kill_on_drop: false }`
[INFO] [stdout] 7e9923fa4877439ff175dcc458c2fce1ea6380443b9b9e92b8b260389b7876a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a96d6b9ffa89ac2c25f06557924f40b0b9f1f44d26b681e096a2dc2fd5195502
[INFO] running `Command { std: "docker" "start" "-a" "a96d6b9ffa89ac2c25f06557924f40b0b9f1f44d26b681e096a2dc2fd5195502", 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 0.15s
[INFO] running `Command { std: "docker" "inspect" "a96d6b9ffa89ac2c25f06557924f40b0b9f1f44d26b681e096a2dc2fd5195502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a96d6b9ffa89ac2c25f06557924f40b0b9f1f44d26b681e096a2dc2fd5195502", kill_on_drop: false }`
[INFO] [stdout] a96d6b9ffa89ac2c25f06557924f40b0b9f1f44d26b681e096a2dc2fd5195502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbfbe98f27bda58c0675eb67343de8e402675fe1f3b6557ba0a13f07e23759fa
[INFO] running `Command { std: "docker" "start" "-a" "fbfbe98f27bda58c0675eb67343de8e402675fe1f3b6557ba0a13f07e23759fa", 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 0.22s
[INFO] running `Command { std: "docker" "inspect" "fbfbe98f27bda58c0675eb67343de8e402675fe1f3b6557ba0a13f07e23759fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbfbe98f27bda58c0675eb67343de8e402675fe1f3b6557ba0a13f07e23759fa", kill_on_drop: false }`
[INFO] [stdout] fbfbe98f27bda58c0675eb67343de8e402675fe1f3b6557ba0a13f07e23759fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13b2fba6b36cec4407d589e1b0e6b786c2fc614ddd9e9a50173c4d6e6361e413
[INFO] running `Command { std: "docker" "start" "-a" "13b2fba6b36cec4407d589e1b0e6b786c2fc614ddd9e9a50173c4d6e6361e413", 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-18dbf6d3c4713ddc)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[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] test undirected::tests::ensure_channel_is_object_safe ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests swap_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] running `Command { std: "docker" "inspect" "13b2fba6b36cec4407d589e1b0e6b786c2fc614ddd9e9a50173c4d6e6361e413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13b2fba6b36cec4407d589e1b0e6b786c2fc614ddd9e9a50173c4d6e6361e413", kill_on_drop: false }`
[INFO] [stdout] 13b2fba6b36cec4407d589e1b0e6b786c2fc614ddd9e9a50173c4d6e6361e413
