[INFO] fetching crate quartet 0.2.1...
[INFO] testing quartet-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate quartet 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate quartet 0.2.1
[INFO] finished tweaking crates.io crate quartet 0.2.1
[INFO] tweaked toml for crates.io crate quartet 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate quartet 0.2.1 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] crate crates.io crate quartet 0.2.1 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2c8fdd242de5a85060a97fc8c5d89a6466328fb51a3f2626c334c13c77cc78cf
[INFO] running `Command { std: "docker" "start" "-a" "2c8fdd242de5a85060a97fc8c5d89a6466328fb51a3f2626c334c13c77cc78cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c8fdd242de5a85060a97fc8c5d89a6466328fb51a3f2626c334c13c77cc78cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8fdd242de5a85060a97fc8c5d89a6466328fb51a3f2626c334c13c77cc78cf", kill_on_drop: false }`
[INFO] [stdout] 2c8fdd242de5a85060a97fc8c5d89a6466328fb51a3f2626c334c13c77cc78cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3d82fc4b648adc3a5d8b54d65e7b19356ca1e74998bdcfa689ed82e843da7a08
[INFO] running `Command { std: "docker" "start" "-a" "3d82fc4b648adc3a5d8b54d65e7b19356ca1e74998bdcfa689ed82e843da7a08", kill_on_drop: false }`
[INFO] [stderr]    Compiling quartet v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "3d82fc4b648adc3a5d8b54d65e7b19356ca1e74998bdcfa689ed82e843da7a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d82fc4b648adc3a5d8b54d65e7b19356ca1e74998bdcfa689ed82e843da7a08", kill_on_drop: false }`
[INFO] [stdout] 3d82fc4b648adc3a5d8b54d65e7b19356ca1e74998bdcfa689ed82e843da7a08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a598180d2e124e51c2351ac2bbcca07a19ef716479e8f9696f6a218ea1355448
[INFO] running `Command { std: "docker" "start" "-a" "a598180d2e124e51c2351ac2bbcca07a19ef716479e8f9696f6a218ea1355448", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling quartet v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "a598180d2e124e51c2351ac2bbcca07a19ef716479e8f9696f6a218ea1355448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a598180d2e124e51c2351ac2bbcca07a19ef716479e8f9696f6a218ea1355448", kill_on_drop: false }`
[INFO] [stdout] a598180d2e124e51c2351ac2bbcca07a19ef716479e8f9696f6a218ea1355448
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c99b7f4b9c6851b940db8d83095be703127b04d46835a911769d0cf29f54ca39
[INFO] running `Command { std: "docker" "start" "-a" "c99b7f4b9c6851b940db8d83095be703127b04d46835a911769d0cf29f54ca39", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/quartet-a5371d323fcd9c02)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_nibslice::index_2 ... ok
[INFO] [stdout] test test_nibslice::index_middle ... ok
[INFO] [stdout] test test_nibslice::get_range_oob_exclude_both ... ok
[INFO] [stdout] test test_nibslice::index_range ... ok
[INFO] [stdout] test test_nibslice::index_single ... ok
[INFO] [stdout] test test_nibslice::iter ... ok
[INFO] [stdout] test test_nibslice::index_to_1 ... ok
[INFO] [stdout] test test_nibslice::index_oob - should panic ... ok
[INFO] [stdout] test test_nibslice::index_range_bad - should panic ... ok
[INFO] [stdout] test test_nibslice::index_3 ... ok
[INFO] [stdout] test test_nibslice::build_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stderr]    Doc-tests quartet
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - NibSlice<'a>::nibble (line 109) ... ok
[INFO] [stdout] test src/lib.rs - doctest (line 592) ... ok
[INFO] [stdout] test src/lib.rs - NibSlice<'a>::index (line 87) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - NibSlice<'a>::try_nibble (line 129) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c99b7f4b9c6851b940db8d83095be703127b04d46835a911769d0cf29f54ca39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c99b7f4b9c6851b940db8d83095be703127b04d46835a911769d0cf29f54ca39", kill_on_drop: false }`
[INFO] [stdout] c99b7f4b9c6851b940db8d83095be703127b04d46835a911769d0cf29f54ca39