[INFO] fetching crate seren 0.1.0...
[INFO] testing seren-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate seren 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate seren 0.1.0
[INFO] finished tweaking crates.io crate seren 0.1.0
[INFO] tweaked toml for crates.io crate seren 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seren 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 70de6775f60b86d43e7b3619e9f04c10a5609b78f77f4a6bf86cffc84fc239c8
[INFO] running `Command { std: "docker" "start" "-a" "70de6775f60b86d43e7b3619e9f04c10a5609b78f77f4a6bf86cffc84fc239c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70de6775f60b86d43e7b3619e9f04c10a5609b78f77f4a6bf86cffc84fc239c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70de6775f60b86d43e7b3619e9f04c10a5609b78f77f4a6bf86cffc84fc239c8", kill_on_drop: false }`
[INFO] [stdout] 70de6775f60b86d43e7b3619e9f04c10a5609b78f77f4a6bf86cffc84fc239c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cfa214ac7edffbead2f5f23d6cc7aeb7b84db58042a72dcbf11b2a01685cc661
[INFO] running `Command { std: "docker" "start" "-a" "cfa214ac7edffbead2f5f23d6cc7aeb7b84db58042a72dcbf11b2a01685cc661", kill_on_drop: false }`
[INFO] [stderr]    Compiling seren v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "cfa214ac7edffbead2f5f23d6cc7aeb7b84db58042a72dcbf11b2a01685cc661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa214ac7edffbead2f5f23d6cc7aeb7b84db58042a72dcbf11b2a01685cc661", kill_on_drop: false }`
[INFO] [stdout] cfa214ac7edffbead2f5f23d6cc7aeb7b84db58042a72dcbf11b2a01685cc661
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 426e8a21a2047207940fc66a8571f2f6fdc3f588a7e34d093618d452bd3aedb2
[INFO] running `Command { std: "docker" "start" "-a" "426e8a21a2047207940fc66a8571f2f6fdc3f588a7e34d093618d452bd3aedb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling seren v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "426e8a21a2047207940fc66a8571f2f6fdc3f588a7e34d093618d452bd3aedb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "426e8a21a2047207940fc66a8571f2f6fdc3f588a7e34d093618d452bd3aedb2", kill_on_drop: false }`
[INFO] [stdout] 426e8a21a2047207940fc66a8571f2f6fdc3f588a7e34d093618d452bd3aedb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8f616d92da1310fb46599c8fc08b218493e705a47e8e87651cfcac6a52b30e82
[INFO] running `Command { std: "docker" "start" "-a" "8f616d92da1310fb46599c8fc08b218493e705a47e8e87651cfcac6a52b30e82", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/seren-621144a6876e05fc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests seren
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "8f616d92da1310fb46599c8fc08b218493e705a47e8e87651cfcac6a52b30e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f616d92da1310fb46599c8fc08b218493e705a47e8e87651cfcac6a52b30e82", kill_on_drop: false }`
[INFO] [stdout] 8f616d92da1310fb46599c8fc08b218493e705a47e8e87651cfcac6a52b30e82
