[INFO] fetching crate portal-jsc-swift-backend 0.8.0-pre.0...
[INFO] testing portal-jsc-swift-backend-0.8.0-pre.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate portal-jsc-swift-backend 0.8.0-pre.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate portal-jsc-swift-backend 0.8.0-pre.0
[INFO] finished tweaking crates.io crate portal-jsc-swift-backend 0.8.0-pre.0
[INFO] tweaked toml for crates.io crate portal-jsc-swift-backend 0.8.0-pre.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate portal-jsc-swift-backend 0.8.0-pre.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 portal-jsc-swift-backend 0.8.0-pre.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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 993794edbaec102a272fe5e6317d246339d2369f39e6abcaaa187f5a9643201d
[INFO] running `Command { std: "docker" "start" "-a" "993794edbaec102a272fe5e6317d246339d2369f39e6abcaaa187f5a9643201d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "993794edbaec102a272fe5e6317d246339d2369f39e6abcaaa187f5a9643201d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "993794edbaec102a272fe5e6317d246339d2369f39e6abcaaa187f5a9643201d", kill_on_drop: false }`
[INFO] [stdout] 993794edbaec102a272fe5e6317d246339d2369f39e6abcaaa187f5a9643201d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6f5db5d103a792e0e16ed9081a7846d432be4f556200a3b0bba9d553a2b5ba2c
[INFO] running `Command { std: "docker" "start" "-a" "6f5db5d103a792e0e16ed9081a7846d432be4f556200a3b0bba9d553a2b5ba2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling portal-jsc-mob-backend-common v0.8.0-pre.0
[INFO] [stderr]    Compiling symbolism v0.1.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling portal-jsc-swift-backend v0.8.0-pre.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `String`, `sync::Arc`, and `vec::Vec`
[INFO] [stdout]   --> src/lib.rs:8:14
[INFO] [stdout]    |
[INFO] [stdout]  8 |     string::{String, ToString},
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]  9 |     sync::Arc,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 10 |     vec::Vec,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "6f5db5d103a792e0e16ed9081a7846d432be4f556200a3b0bba9d553a2b5ba2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5db5d103a792e0e16ed9081a7846d432be4f556200a3b0bba9d553a2b5ba2c", kill_on_drop: false }`
[INFO] [stdout] 6f5db5d103a792e0e16ed9081a7846d432be4f556200a3b0bba9d553a2b5ba2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7d595096cd94c528bb6e6768f7418107ec6795535f0893743cec41bef0482eb3
[INFO] running `Command { std: "docker" "start" "-a" "7d595096cd94c528bb6e6768f7418107ec6795535f0893743cec41bef0482eb3", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `String`, `sync::Arc`, and `vec::Vec`
[INFO] [stdout]   --> src/lib.rs:8:14
[INFO] [stdout]    |
[INFO] [stdout]  8 |     string::{String, ToString},
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]  9 |     sync::Arc,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 10 |     vec::Vec,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling portal-jsc-swift-backend v0.8.0-pre.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `String`, `sync::Arc`, and `vec::Vec`
[INFO] [stdout]   --> src/lib.rs:8:14
[INFO] [stdout]    |
[INFO] [stdout]  8 |     string::{String, ToString},
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]  9 |     sync::Arc,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 10 |     vec::Vec,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "7d595096cd94c528bb6e6768f7418107ec6795535f0893743cec41bef0482eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d595096cd94c528bb6e6768f7418107ec6795535f0893743cec41bef0482eb3", kill_on_drop: false }`
[INFO] [stdout] 7d595096cd94c528bb6e6768f7418107ec6795535f0893743cec41bef0482eb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3db78207d994bc22f42cc1bbda0480c6375bcfa6553e40c7d6cf2b28685786e0
[INFO] running `Command { std: "docker" "start" "-a" "3db78207d994bc22f42cc1bbda0480c6375bcfa6553e40c7d6cf2b28685786e0", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `String`, `sync::Arc`, and `vec::Vec`
[INFO] [stderr]   --> src/lib.rs:8:14
[INFO] [stderr]    |
[INFO] [stderr]  8 |     string::{String, ToString},
[INFO] [stderr]    |              ^^^^^^
[INFO] [stderr]  9 |     sync::Arc,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 10 |     vec::Vec,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `portal-jsc-swift-backend` (lib) generated 1 warning (run `cargo fix --lib -p portal-jsc-swift-backend` to apply 1 suggestion)
[INFO] [stderr] warning: `portal-jsc-swift-backend` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/portal_jsc_swift_backend-54ac6a70827e3d25)
[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]    Doc-tests portal_jsc_swift_backend
[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" "3db78207d994bc22f42cc1bbda0480c6375bcfa6553e40c7d6cf2b28685786e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db78207d994bc22f42cc1bbda0480c6375bcfa6553e40c7d6cf2b28685786e0", kill_on_drop: false }`
[INFO] [stdout] 3db78207d994bc22f42cc1bbda0480c6375bcfa6553e40c7d6cf2b28685786e0
