[INFO] fetching crate u4 0.1.2... [INFO] testing u4-0.1.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate u4 0.1.2 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate u4 0.1.2 [INFO] finished tweaking crates.io crate u4 0.1.2 [INFO] tweaked toml for crates.io crate u4 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate u4 0.1.2 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 22 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.13.0 (available: v0.14.0) [INFO] [stderr] Adding zerocopy v0.7.35 (available: v0.8.27) [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 726675df9b92ab97b6f8921770f6529eb6d75713f8159506fc2b23f5413ece6c [INFO] running `Command { std: "docker" "start" "-a" "726675df9b92ab97b6f8921770f6529eb6d75713f8159506fc2b23f5413ece6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "726675df9b92ab97b6f8921770f6529eb6d75713f8159506fc2b23f5413ece6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "726675df9b92ab97b6f8921770f6529eb6d75713f8159506fc2b23f5413ece6c", kill_on_drop: false }` [INFO] [stdout] 726675df9b92ab97b6f8921770f6529eb6d75713f8159506fc2b23f5413ece6c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 816bdda06ec0061b5a52b61cd8bca8f7c8be87c0b120ff392de72d611534b1d2 [INFO] running `Command { std: "docker" "start" "-a" "816bdda06ec0061b5a52b61cd8bca8f7c8be87c0b120ff392de72d611534b1d2", kill_on_drop: false }` [INFO] [stderr] Compiling u4 v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "816bdda06ec0061b5a52b61cd8bca8f7c8be87c0b120ff392de72d611534b1d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "816bdda06ec0061b5a52b61cd8bca8f7c8be87c0b120ff392de72d611534b1d2", kill_on_drop: false }` [INFO] [stdout] 816bdda06ec0061b5a52b61cd8bca8f7c8be87c0b120ff392de72d611534b1d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 882500b8f49021b88f291dff0213f1692daccba8dfa0d9683892e9dc76703e95 [INFO] running `Command { std: "docker" "start" "-a" "882500b8f49021b88f291dff0213f1692daccba8dfa0d9683892e9dc76703e95", kill_on_drop: false }` [INFO] [stderr] Compiling u4 v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "882500b8f49021b88f291dff0213f1692daccba8dfa0d9683892e9dc76703e95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "882500b8f49021b88f291dff0213f1692daccba8dfa0d9683892e9dc76703e95", kill_on_drop: false }` [INFO] [stdout] 882500b8f49021b88f291dff0213f1692daccba8dfa0d9683892e9dc76703e95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c7b3d438b3781f12a3f93e7b19017ab22929f9b605592df1c4fba1cf18e70ec7 [INFO] running `Command { std: "docker" "start" "-a" "c7b3d438b3781f12a3f93e7b19017ab22929f9b605592df1c4fba1cf18e70ec7", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/u4-a50231344486db78) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test new_ref ... ok [INFO] [stdout] test test_pos_overflow ... ok [INFO] [stdout] test binops ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests u4 [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test src/lib.rs - U4::truncate (line 204) ... ok [INFO] [stdout] test src/lib.rs - U4x2::right (line 589) ... ok [INFO] [stdout] test src/lib.rs - U4 (line 461) ... ok [INFO] [stdout] test src/lib.rs - AsNibbles::set (line 805) ... ok [INFO] [stdout] test src/lib.rs - AsNibbles::reverse (line 846) ... ok [INFO] [stdout] test src/lib.rs - AsNibbles::len (line 759) ... ok [INFO] [stdout] test src/lib.rs - AsNibbles::get (line 775) ... ok [INFO] [stdout] test src/lib.rs - U4x2::set_left (line 642) ... ok [INFO] [stdout] test src/lib.rs - U4 (line 491) ... ok [INFO] [stdout] test src/lib.rs - U4 (line 506) ... ok [INFO] [stdout] test src/lib.rs - U4 (line 446) ... ok [INFO] [stdout] test src/lib.rs - AsNibbles::pack_from_slice (line 824) ... ok [INFO] [stdout] test src/lib.rs - U4x2::left (line 578) ... ok [INFO] [stdout] test src/lib.rs - u4 (line 124) - compile fail ... ok [INFO] [stdout] test src/lib.rs - U4x2::with_left (line 628) ... ok [INFO] [stdout] test src/lib.rs - U4::new (line 159) ... ok [INFO] [stdout] test src/lib.rs - AsNibbles::iter (line 789) ... ok [INFO] [stdout] test src/lib.rs - u4 (line 120) ... ok [INFO] [stdout] test src/lib.rs - U4 (line 476) ... ok [INFO] [stdout] test src/lib.rs - U4x2::set_right (line 670) ... ok [INFO] [stdout] test src/lib.rs - U4x2::swap (line 600) ... ok [INFO] [stdout] test src/lib.rs - U4x2::swapped (line 613) ... ok [INFO] [stdout] test src/lib.rs - U4x2::with_right (line 656) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.19s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c7b3d438b3781f12a3f93e7b19017ab22929f9b605592df1c4fba1cf18e70ec7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7b3d438b3781f12a3f93e7b19017ab22929f9b605592df1c4fba1cf18e70ec7", kill_on_drop: false }` [INFO] [stdout] c7b3d438b3781f12a3f93e7b19017ab22929f9b605592df1c4fba1cf18e70ec7