[INFO] fetching crate slot_generator 0.1.0...
[INFO] testing slot_generator-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate slot_generator 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate slot_generator 0.1.0
[INFO] finished tweaking crates.io crate slot_generator 0.1.0
[INFO] tweaked toml for crates.io crate slot_generator 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slot_generator 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48a076287b57c5c088aa0efca592a97a5477a4cfaa21ecea79cca0d0792c7867
[INFO] running `Command { std: "docker" "start" "-a" "48a076287b57c5c088aa0efca592a97a5477a4cfaa21ecea79cca0d0792c7867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48a076287b57c5c088aa0efca592a97a5477a4cfaa21ecea79cca0d0792c7867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a076287b57c5c088aa0efca592a97a5477a4cfaa21ecea79cca0d0792c7867", kill_on_drop: false }`
[INFO] [stdout] 48a076287b57c5c088aa0efca592a97a5477a4cfaa21ecea79cca0d0792c7867
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 988394a6843fae077e2c1d9a3c595e9fe24ce083c897bb2c93487134f0c23123
[INFO] running `Command { std: "docker" "start" "-a" "988394a6843fae077e2c1d9a3c595e9fe24ce083c897bb2c93487134f0c23123", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling slot_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "988394a6843fae077e2c1d9a3c595e9fe24ce083c897bb2c93487134f0c23123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "988394a6843fae077e2c1d9a3c595e9fe24ce083c897bb2c93487134f0c23123", kill_on_drop: false }`
[INFO] [stdout] 988394a6843fae077e2c1d9a3c595e9fe24ce083c897bb2c93487134f0c23123
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a6920c6d9906c18ccfc191a477c8f1e78192db542f7549ab41ca12f8398d765
[INFO] running `Command { std: "docker" "start" "-a" "4a6920c6d9906c18ccfc191a477c8f1e78192db542f7549ab41ca12f8398d765", kill_on_drop: false }`
[INFO] [stderr]    Compiling slot_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "4a6920c6d9906c18ccfc191a477c8f1e78192db542f7549ab41ca12f8398d765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6920c6d9906c18ccfc191a477c8f1e78192db542f7549ab41ca12f8398d765", kill_on_drop: false }`
[INFO] [stdout] 4a6920c6d9906c18ccfc191a477c8f1e78192db542f7549ab41ca12f8398d765
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4cf6dd9842633fec610e915c0b673330c18d3ebfafad60780a8df4382b9d13e3
[INFO] running `Command { std: "docker" "start" "-a" "4cf6dd9842633fec610e915c0b673330c18d3ebfafad60780a8df4382b9d13e3", 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/slot_generator-7671c470b4628afe)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::exhaust_slots ... ok
[INFO] [stdout] test tests::generate_slots ... ok
[INFO] [stdout] test tests::replace_slots ... ok
[INFO] [stdout] test tests::replace_filled_slots - should panic ... ok
[INFO] [stderr]    Doc-tests slot_generator
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "4cf6dd9842633fec610e915c0b673330c18d3ebfafad60780a8df4382b9d13e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf6dd9842633fec610e915c0b673330c18d3ebfafad60780a8df4382b9d13e3", kill_on_drop: false }`
[INFO] [stdout] 4cf6dd9842633fec610e915c0b673330c18d3ebfafad60780a8df4382b9d13e3