[INFO] fetching crate slackarc 0.1.0...
[INFO] testing slackarc-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate slackarc 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate slackarc 0.1.0
[INFO] finished tweaking crates.io crate slackarc 0.1.0
[INFO] tweaked toml for crates.io crate slackarc 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slackarc 0.1.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7eb63ec7475bec9739ceb7f9cb841b3dcf81a993c22b956eef397ae8324ad006
[INFO] running `Command { std: "docker" "start" "-a" "7eb63ec7475bec9739ceb7f9cb841b3dcf81a993c22b956eef397ae8324ad006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7eb63ec7475bec9739ceb7f9cb841b3dcf81a993c22b956eef397ae8324ad006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb63ec7475bec9739ceb7f9cb841b3dcf81a993c22b956eef397ae8324ad006", kill_on_drop: false }`
[INFO] [stdout] 7eb63ec7475bec9739ceb7f9cb841b3dcf81a993c22b956eef397ae8324ad006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 47dcbf86f3b84ee6d1c2b2d93855920af3bab016483a63429b060603e489cb92
[INFO] running `Command { std: "docker" "start" "-a" "47dcbf86f3b84ee6d1c2b2d93855920af3bab016483a63429b060603e489cb92", kill_on_drop: false }`
[INFO] [stderr]    Compiling slackarc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "47dcbf86f3b84ee6d1c2b2d93855920af3bab016483a63429b060603e489cb92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47dcbf86f3b84ee6d1c2b2d93855920af3bab016483a63429b060603e489cb92", kill_on_drop: false }`
[INFO] [stdout] 47dcbf86f3b84ee6d1c2b2d93855920af3bab016483a63429b060603e489cb92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e4a3b03b3fe0978182cbfc3a66a738f96c9bef229cc0ec172ceb4e30fa70dee2
[INFO] running `Command { std: "docker" "start" "-a" "e4a3b03b3fe0978182cbfc3a66a738f96c9bef229cc0ec172ceb4e30fa70dee2", kill_on_drop: false }`
[INFO] [stderr]    Compiling slackarc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use std::sync::Arc;
[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 0.42s
[INFO] running `Command { std: "docker" "inspect" "e4a3b03b3fe0978182cbfc3a66a738f96c9bef229cc0ec172ceb4e30fa70dee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a3b03b3fe0978182cbfc3a66a738f96c9bef229cc0ec172ceb4e30fa70dee2", kill_on_drop: false }`
[INFO] [stdout] e4a3b03b3fe0978182cbfc3a66a738f96c9bef229cc0ec172ceb4e30fa70dee2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f449947b1de2aaa3f7960b99ed230dcc79c7ac08bdad76fd0f093dae11ca781b
[INFO] running `Command { std: "docker" "start" "-a" "f449947b1de2aaa3f7960b99ed230dcc79c7ac08bdad76fd0f093dae11ca781b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]   --> src/lib.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     use std::sync::Arc;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `slackarc` (lib test) generated 1 warning (run `cargo fix --lib -p slackarc --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slackarc-33362a279aa8e2b6)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_constructs ... ok
[INFO] [stdout] test tests::test_converts_weak ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slackarc
[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" "f449947b1de2aaa3f7960b99ed230dcc79c7ac08bdad76fd0f093dae11ca781b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f449947b1de2aaa3f7960b99ed230dcc79c7ac08bdad76fd0f093dae11ca781b", kill_on_drop: false }`
[INFO] [stdout] f449947b1de2aaa3f7960b99ed230dcc79c7ac08bdad76fd0f093dae11ca781b
