[INFO] fetching crate xor-distance-exercise 0.3.6...
[INFO] testing xor-distance-exercise-0.3.6 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate xor-distance-exercise 0.3.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate xor-distance-exercise 0.3.6
[INFO] finished tweaking crates.io crate xor-distance-exercise 0.3.6
[INFO] tweaked toml for crates.io crate xor-distance-exercise 0.3.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xor-distance-exercise 0.3.6 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 21 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 91c08fde8b6d2b69625cc7c25ec0fc102298b426d0682f9a67578630bc1a1f60
[INFO] running `Command { std: "docker" "start" "-a" "91c08fde8b6d2b69625cc7c25ec0fc102298b426d0682f9a67578630bc1a1f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91c08fde8b6d2b69625cc7c25ec0fc102298b426d0682f9a67578630bc1a1f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c08fde8b6d2b69625cc7c25ec0fc102298b426d0682f9a67578630bc1a1f60", kill_on_drop: false }`
[INFO] [stdout] 91c08fde8b6d2b69625cc7c25ec0fc102298b426d0682f9a67578630bc1a1f60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 80404d395553adb17162beb8558278d377ee4a8298d9100dfff419701d23dc1d
[INFO] running `Command { std: "docker" "start" "-a" "80404d395553adb17162beb8558278d377ee4a8298d9100dfff419701d23dc1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling xor-distance-exercise v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "80404d395553adb17162beb8558278d377ee4a8298d9100dfff419701d23dc1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80404d395553adb17162beb8558278d377ee4a8298d9100dfff419701d23dc1d", kill_on_drop: false }`
[INFO] [stdout] 80404d395553adb17162beb8558278d377ee4a8298d9100dfff419701d23dc1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b98cbc67de42e2c64845d727a2cfd38ea7d764fbd842e0c3ffb1e0ca171f0ea4
[INFO] running `Command { std: "docker" "start" "-a" "b98cbc67de42e2c64845d727a2cfd38ea7d764fbd842e0c3ffb1e0ca171f0ea4", kill_on_drop: false }`
[INFO] [stderr]    Compiling xor-distance-exercise v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "b98cbc67de42e2c64845d727a2cfd38ea7d764fbd842e0c3ffb1e0ca171f0ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b98cbc67de42e2c64845d727a2cfd38ea7d764fbd842e0c3ffb1e0ca171f0ea4", kill_on_drop: false }`
[INFO] [stdout] b98cbc67de42e2c64845d727a2cfd38ea7d764fbd842e0c3ffb1e0ca171f0ea4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 77ce0ecad08dd63d10cc9bd10303753e1b739c604cf9c89998731676d145bd88
[INFO] running `Command { std: "docker" "start" "-a" "77ce0ecad08dd63d10cc9bd10303753e1b739c604cf9c89998731676d145bd88", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xor_distance_exercise-da05fcbe27338c1a)
[INFO] [stdout] running 27 tests
[INFO] [stdout] test bits::tests::form_zero_padded_number_type_error ... ok
[INFO] [stdout] test bitops::tests::check_is_flag_set ... ok
[INFO] [stdout] test bitops::tests::check_set_flag ... ok
[INFO] [stdout] test bits::tests::bit_size ... ok
[INFO] [stdout] test bits::tests::form_zero_padded_number ... ok
[INFO] [stdout] test bitops::tests::check_is_flag ... ok
[INFO] [stdout] test bitops::tests::check_set_bit ... ok
[INFO] [stdout] test bitops::tests::check_is_bit_set ... ok
[INFO] [stdout] test bits::tests::set_bit_within_constrains ... ok
[INFO] [stdout] test delivery_system::tests::closest_farms ... ok
[INFO] [stdout] test xor_distance::tests::compose_closest_points_inequalities ... ok
[INFO] [stdout] test bits::tests::new_bits_by_default_none ... ok
[INFO] [stdout] test xor_distance::tests::reverse_closest_invalid_input ... ok
[INFO] [stdout] test xor_distance::tests::compose_further_points_inequalities ... ok
[INFO] [stdout] test xor_distance::tests::closest_u8 ... ok
[INFO] [stdout] test delivery_system::tests::reverse_closest_farms_random_set ... ok
[INFO] [stdout] test bits::tests::incorporate_bit ... ok
[INFO] [stdout] test bits::tests::is_bit_decided ... ok
[INFO] [stdout] test delivery_system::tests::reverse_closest_farms ... ok
[INFO] [stdout] test xor_distance::tests::closest_u64 ... ok
[INFO] [stdout] test xor_distance::tests::reverse_closest_u64 ... ok
[INFO] [stdout] test xor_distance::tests::reverse_closest_u8 ... ok
[INFO] [stdout] test bits::tests::get_set_bit ... ok
[INFO] [stdout] test bits::tests::get_bit_index_out_of_range - should panic ... ok
[INFO] [stdout] test bitops::tests::is_bit_set_index_out_of_range - should panic ... ok
[INFO] [stdout] test bits::tests::set_bit_index_out_of_range - should panic ... ok
[INFO] [stdout] test delivery_system::tests::reverse_closest_farms_random_position ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/xor_distance_exercise-2471d8c12df9f57e)
[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] [stderr]    Doc-tests xor_distance_exercise
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/bits.rs - bits::Bits::new (line 36) ... ok
[INFO] [stdout] test src/bitops.rs - bitops::BitOps::is_flag (line 34) ... ok
[INFO] [stdout] test src/bits.rs - bits::Bits::is_bit_decided (line 151) ... ok
[INFO] [stdout] test src/bits.rs - bits::Bits::set_bit_within_constrains (line 119) ... ok
[INFO] [stdout] test src/bitops.rs - bitops::BitOps::set_bit (line 129) ... ok
[INFO] [stdout] test src/bitops.rs - bitops::BitOps::is_bit_set (line 105) ... ok
[INFO] [stdout] test src/bits.rs - bits::Bits (line 10) ... ok
[INFO] [stdout] test src/bitops.rs - bitops (line 5) ... ok
[INFO] [stdout] test src/bits.rs - bits::Bits::bit_size (line 58) ... ok
[INFO] [stdout] test src/bitops.rs - bitops::BitOps::is_flag_set (line 58) ... ok
[INFO] [stdout] test src/bits.rs - bits::Bits::set_bit (line 97) ... ok
[INFO] [stdout] test src/bits.rs - bits::Bits::form_zero_padded_number (line 172) ... ok
[INFO] [stdout] test src/bits.rs - bits::Bits::get_bit (line 78) ... ok
[INFO] [stdout] test src/delivery_system.rs - delivery_system::FoodDeliverySystem<T>::closest_farms (line 41) ... ok
[INFO] [stdout] test src/xor_distance.rs - xor_distance::XorDistance<T>::closest (line 44) ... ok
[INFO] [stdout] test src/delivery_system.rs - delivery_system::FoodDeliverySystem (line 9) ... ok
[INFO] [stdout] test src/bitops.rs - bitops::BitOps::set_flag (line 80) ... ok
[INFO] [stdout] test src/delivery_system.rs - delivery_system::FoodDeliverySystem<T>::reverse_closest_farms (line 63) ... ok
[INFO] [stdout] test src/xor_distance.rs - xor_distance::XorDistance (line 10) ... ok
[INFO] [stdout] test src/xor_distance.rs - xor_distance::XorDistance<T>::reverse_closest (line 69) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77ce0ecad08dd63d10cc9bd10303753e1b739c604cf9c89998731676d145bd88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ce0ecad08dd63d10cc9bd10303753e1b739c604cf9c89998731676d145bd88", kill_on_drop: false }`
[INFO] [stdout] 77ce0ecad08dd63d10cc9bd10303753e1b739c604cf9c89998731676d145bd88