[INFO] fetching crate count-invert 0.1.0...
[INFO] testing count-invert-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate count-invert 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate count-invert 0.1.0
[INFO] finished tweaking crates.io crate count-invert 0.1.0
[INFO] tweaked toml for crates.io crate count-invert 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate count-invert 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] [stderr]       Adding itertools v0.13.0 (available: v0.14.0)
[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] 54a76d5afb969e65c0d9331f2000ff8efcfba756274893c67cf9b24d75737cfc
[INFO] running `Command { std: "docker" "start" "-a" "54a76d5afb969e65c0d9331f2000ff8efcfba756274893c67cf9b24d75737cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54a76d5afb969e65c0d9331f2000ff8efcfba756274893c67cf9b24d75737cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a76d5afb969e65c0d9331f2000ff8efcfba756274893c67cf9b24d75737cfc", kill_on_drop: false }`
[INFO] [stdout] 54a76d5afb969e65c0d9331f2000ff8efcfba756274893c67cf9b24d75737cfc
[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] 0c51966318920c0056e4f4331e4686338edfa2ee59e7fc038e9811007d399431
[INFO] running `Command { std: "docker" "start" "-a" "0c51966318920c0056e4f4331e4686338edfa2ee59e7fc038e9811007d399431", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling count-invert v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "0c51966318920c0056e4f4331e4686338edfa2ee59e7fc038e9811007d399431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c51966318920c0056e4f4331e4686338edfa2ee59e7fc038e9811007d399431", kill_on_drop: false }`
[INFO] [stdout] 0c51966318920c0056e4f4331e4686338edfa2ee59e7fc038e9811007d399431
[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] 138c6a114b4d0c6e6cacb5ae8a60278849b0072a21628930e2ef0f8d77701f99
[INFO] running `Command { std: "docker" "start" "-a" "138c6a114b4d0c6e6cacb5ae8a60278849b0072a21628930e2ef0f8d77701f99", kill_on_drop: false }`
[INFO] [stderr]    Compiling count-invert v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "138c6a114b4d0c6e6cacb5ae8a60278849b0072a21628930e2ef0f8d77701f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "138c6a114b4d0c6e6cacb5ae8a60278849b0072a21628930e2ef0f8d77701f99", kill_on_drop: false }`
[INFO] [stdout] 138c6a114b4d0c6e6cacb5ae8a60278849b0072a21628930e2ef0f8d77701f99
[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] 9bc49f213a7edd5cfd9c094cb4314c70aebd2c1d6e5300077b3ffae267feb6d0
[INFO] running `Command { std: "docker" "start" "-a" "9bc49f213a7edd5cfd9c094cb4314c70aebd2c1d6e5300077b3ffae267feb6d0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/count_invert-c958e2fd60ec4d80)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::test_into_count_map_empty ... ok
[INFO] [stdout] test tests::test_into_count_map_mixed_elements ... ok
[INFO] [stdout] test tests::test_into_counts_custom_struct ... ok
[INFO] [stdout] test tests::test_into_count_map_single_element ... ok
[INFO] [stdout] test tests::test_into_counts_empty ... ok
[INFO] [stdout] test tests::test_into_counts_single_element ... ok
[INFO] [stdout] test tests::test_into_counts_mixed_elements ... ok
[INFO] [stdout] test tests::test_invert_map_multiple_values ... ok
[INFO] [stdout] test tests::test_into_counts_multiple_identical_elements ... ok
[INFO] [stdout] test tests::test_invert_map_single_value ... ok
[INFO] [stdout] test tests::test_into_counts_non_integer_elements ... ok
[INFO] [stdout] test tests::test_invert_map_empty ... ok
[INFO] [stdout] test tests::test_large_input ... ok
[INFO] [stderr]    Doc-tests count_invert
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[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" "9bc49f213a7edd5cfd9c094cb4314c70aebd2c1d6e5300077b3ffae267feb6d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc49f213a7edd5cfd9c094cb4314c70aebd2c1d6e5300077b3ffae267feb6d0", kill_on_drop: false }`
[INFO] [stdout] 9bc49f213a7edd5cfd9c094cb4314c70aebd2c1d6e5300077b3ffae267feb6d0