[INFO] fetching crate preen 0.1.0...
[INFO] testing preen-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate preen 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate preen 0.1.0
[INFO] finished tweaking crates.io crate preen 0.1.0
[INFO] tweaked toml for crates.io crate preen 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate preen 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] crate crates.io crate preen 0.1.0 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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cac5f3df216bdcb8987fa09fbb819dc4d46732a3906c03414e928da85aa5f5fc
[INFO] running `Command { std: "docker" "start" "-a" "cac5f3df216bdcb8987fa09fbb819dc4d46732a3906c03414e928da85aa5f5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cac5f3df216bdcb8987fa09fbb819dc4d46732a3906c03414e928da85aa5f5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac5f3df216bdcb8987fa09fbb819dc4d46732a3906c03414e928da85aa5f5fc", kill_on_drop: false }`
[INFO] [stdout] cac5f3df216bdcb8987fa09fbb819dc4d46732a3906c03414e928da85aa5f5fc
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 043b04c7d4d90740537d119a9c7e25727e6b9b1244097954ff55e824b2012456
[INFO] running `Command { std: "docker" "start" "-a" "043b04c7d4d90740537d119a9c7e25727e6b9b1244097954ff55e824b2012456", kill_on_drop: false }`
[INFO] [stderr]    Compiling preen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "043b04c7d4d90740537d119a9c7e25727e6b9b1244097954ff55e824b2012456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043b04c7d4d90740537d119a9c7e25727e6b9b1244097954ff55e824b2012456", kill_on_drop: false }`
[INFO] [stdout] 043b04c7d4d90740537d119a9c7e25727e6b9b1244097954ff55e824b2012456
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5c5125da44781c36a957137e4724093d9b6eaea60408ffc8ddfcdd39322078f
[INFO] running `Command { std: "docker" "start" "-a" "e5c5125da44781c36a957137e4724093d9b6eaea60408ffc8ddfcdd39322078f", kill_on_drop: false }`
[INFO] [stderr]    Compiling preen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "e5c5125da44781c36a957137e4724093d9b6eaea60408ffc8ddfcdd39322078f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c5125da44781c36a957137e4724093d9b6eaea60408ffc8ddfcdd39322078f", kill_on_drop: false }`
[INFO] [stdout] e5c5125da44781c36a957137e4724093d9b6eaea60408ffc8ddfcdd39322078f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09ac5fa7fb0df2028743d45f8ac7b1313bd7c10a834e636052620b67a82c6d2f
[INFO] running `Command { std: "docker" "start" "-a" "09ac5fa7fb0df2028743d45f8ac7b1313bd7c10a834e636052620b67a82c6d2f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/preen-6fa0d6138c5872c3)
[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" "09ac5fa7fb0df2028743d45f8ac7b1313bd7c10a834e636052620b67a82c6d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ac5fa7fb0df2028743d45f8ac7b1313bd7c10a834e636052620b67a82c6d2f", kill_on_drop: false }`
[INFO] [stdout] 09ac5fa7fb0df2028743d45f8ac7b1313bd7c10a834e636052620b67a82c6d2f
