[INFO] fetching crate port-pulse 0.4.0...
[INFO] testing port-pulse-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate port-pulse 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate port-pulse 0.4.0
[INFO] finished tweaking crates.io crate port-pulse 0.4.0
[INFO] tweaked toml for crates.io crate port-pulse 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate port-pulse 0.4.0 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] crate crates.io crate port-pulse 0.4.0 already has a lockfile, it will not be regenerated
[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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2c508e41b56f01568f4592b681de6bff1173ef26635abbf400055c768ba7217
[INFO] running `Command { std: "docker" "start" "-a" "c2c508e41b56f01568f4592b681de6bff1173ef26635abbf400055c768ba7217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2c508e41b56f01568f4592b681de6bff1173ef26635abbf400055c768ba7217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c508e41b56f01568f4592b681de6bff1173ef26635abbf400055c768ba7217", kill_on_drop: false }`
[INFO] [stdout] c2c508e41b56f01568f4592b681de6bff1173ef26635abbf400055c768ba7217
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63bd693055bb3adcd2ff8386efa08373255e34c06657e991973332ba7788d0bb
[INFO] running `Command { std: "docker" "start" "-a" "63bd693055bb3adcd2ff8386efa08373255e34c06657e991973332ba7788d0bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling port-pulse v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `flag` is never read
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Arguments {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 11 |     flag: String,   
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "63bd693055bb3adcd2ff8386efa08373255e34c06657e991973332ba7788d0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63bd693055bb3adcd2ff8386efa08373255e34c06657e991973332ba7788d0bb", kill_on_drop: false }`
[INFO] [stdout] 63bd693055bb3adcd2ff8386efa08373255e34c06657e991973332ba7788d0bb
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a14680b380e7f5d6a53a5711550ac20b84d427d493fd14ae22053a2029dc10eb
[INFO] running `Command { std: "docker" "start" "-a" "a14680b380e7f5d6a53a5711550ac20b84d427d493fd14ae22053a2029dc10eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling port-pulse v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `flag` is never read
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Arguments {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 11 |     flag: String,   
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "a14680b380e7f5d6a53a5711550ac20b84d427d493fd14ae22053a2029dc10eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14680b380e7f5d6a53a5711550ac20b84d427d493fd14ae22053a2029dc10eb", kill_on_drop: false }`
[INFO] [stdout] a14680b380e7f5d6a53a5711550ac20b84d427d493fd14ae22053a2029dc10eb
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2845576fe1cf2054d34017f667d7c5305c39674325fd8607e5af0668632645db
[INFO] running `Command { std: "docker" "start" "-a" "2845576fe1cf2054d34017f667d7c5305c39674325fd8607e5af0668632645db", kill_on_drop: false }`
[INFO] [stderr] warning: field `flag` is never read
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Arguments {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] 11 |     flag: String,   
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `port-pulse` (bin "port-pulse" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/port_pulse-e1e000a1cd3ebf80)
[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" "2845576fe1cf2054d34017f667d7c5305c39674325fd8607e5af0668632645db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2845576fe1cf2054d34017f667d7c5305c39674325fd8607e5af0668632645db", kill_on_drop: false }`
[INFO] [stdout] 2845576fe1cf2054d34017f667d7c5305c39674325fd8607e5af0668632645db
