[INFO] fetching crate xor-distance-exercise 0.3.6...
[INFO] testing xor-distance-exercise-0.3.6 against 1.49.0 for beta-1.50-1
[INFO] extracting crate xor-distance-exercise 0.3.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate xor-distance-exercise 0.3.6 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53e2ae0b977f816c3756418dd9b7b4055aa239b38cbc878f3c99b5089c4d7396
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "53e2ae0b977f816c3756418dd9b7b4055aa239b38cbc878f3c99b5089c4d7396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53e2ae0b977f816c3756418dd9b7b4055aa239b38cbc878f3c99b5089c4d7396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e2ae0b977f816c3756418dd9b7b4055aa239b38cbc878f3c99b5089c4d7396", kill_on_drop: false }`
[INFO] [stdout] 53e2ae0b977f816c3756418dd9b7b4055aa239b38cbc878f3c99b5089c4d7396
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63d3c3421598bd3056c52250755dab682f709a84245d63185d2452548dd0c26b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "63d3c3421598bd3056c52250755dab682f709a84245d63185d2452548dd0c26b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling xor-distance-exercise v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "63d3c3421598bd3056c52250755dab682f709a84245d63185d2452548dd0c26b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d3c3421598bd3056c52250755dab682f709a84245d63185d2452548dd0c26b", kill_on_drop: false }`
[INFO] [stdout] 63d3c3421598bd3056c52250755dab682f709a84245d63185d2452548dd0c26b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e97b734149e90559c74f567ed18c5360df03e65e321e45d70e286df50520a68c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e97b734149e90559c74f567ed18c5360df03e65e321e45d70e286df50520a68c", kill_on_drop: false }`
[INFO] [stderr]    Compiling xor-distance-exercise v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "e97b734149e90559c74f567ed18c5360df03e65e321e45d70e286df50520a68c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97b734149e90559c74f567ed18c5360df03e65e321e45d70e286df50520a68c", kill_on_drop: false }`
[INFO] [stdout] e97b734149e90559c74f567ed18c5360df03e65e321e45d70e286df50520a68c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 33d621dcdc2c36f1ebed62e3c963378935eac6e539e21a3e97617a196a1356a3
[INFO] running `Command { std: "docker" "start" "-a" "33d621dcdc2c36f1ebed62e3c963378935eac6e539e21a3e97617a196a1356a3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 27 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xor_distance_exercise-01ed3fb2bf50f9ab
[INFO] [stdout] test bitops::tests::check_set_bit ... ok
[INFO] [stdout] test bitops::tests::check_set_flag ... ok
[INFO] [stdout] test bitops::tests::check_is_flag ... ok
[INFO] [stdout] test bitops::tests::check_is_flag_set ... ok
[INFO] [stdout] test bits::tests::bit_size ... ok
[INFO] [stdout] test bits::tests::new_bits_by_default_none ... ok
[INFO] [stdout] test bitops::tests::check_is_bit_set ... ok
[INFO] [stdout] test bits::tests::form_zero_padded_number ... ok
[INFO] [stdout] test bits::tests::form_zero_padded_number_type_error ... ok
[INFO] [stdout] test bits::tests::get_set_bit ... ok
[INFO] [stdout] test bits::tests::incorporate_bit ... ok
[INFO] [stdout] test bits::tests::is_bit_decided ... ok
[INFO] [stdout] test xor_distance::tests::closest_u8 ... ok
[INFO] [stdout] test xor_distance::tests::closest_u64 ... ok
[INFO] [stdout] test xor_distance::tests::compose_further_points_inequalities ... ok
[INFO] [stdout] test xor_distance::tests::reverse_closest_u64 ... ok
[INFO] [stdout] test xor_distance::tests::reverse_closest_invalid_input ... ok
[INFO] [stdout] test delivery_system::tests::reverse_closest_farms ... ok
[INFO] [stdout] test delivery_system::tests::closest_farms ... ok
[INFO] [stdout] test bits::tests::set_bit_within_constrains ... ok
[INFO] [stdout] test xor_distance::tests::reverse_closest_u8 ... ok
[INFO] [stdout] test xor_distance::tests::compose_closest_points_inequalities ... ok
[INFO] [stdout] test bits::tests::get_bit_index_out_of_range ... ok
[INFO] [stdout] test bitops::tests::is_bit_set_index_out_of_range ... ok
[INFO] [stdout] test bits::tests::set_bit_index_out_of_range ... ok
[INFO] [stdout] test delivery_system::tests::reverse_closest_farms_random_set ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xor_distance_exercise-91f78fb262159664
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xor-distance-exercise
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/bits.rs - bits::Bits::new (line 36) ... ok
[INFO] [stdout] test src/bits.rs - bits::Bits::is_bit_decided (line 151) ... ok
[INFO] [stdout] test src/bitops.rs - bitops::BitOps::is_flag (line 34) ... ok
[INFO] [stdout] test src/bitops.rs - bitops::BitOps::is_flag_set (line 58) ... ok
[INFO] [stdout] test src/bitops.rs - bitops::BitOps::set_flag (line 80) ... ok
[INFO] [stdout] test src/bitops.rs - bitops::BitOps::is_bit_set (line 105) ... ok
[INFO] [stdout] test src/bitops.rs - bitops (line 5) ... ok
[INFO] [stdout] test src/bits.rs - bits::Bits::set_bit (line 97) ... ok
[INFO] [stdout] test src/bits.rs - bits::Bits::set_bit_within_constrains (line 119) ... ok
[INFO] [stdout] test src/bits.rs - bits::Bits::bit_size (line 58) ... ok
[INFO] [stdout] test src/bits.rs - bits::Bits (line 10) ... 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/bitops.rs - bitops::BitOps::set_bit (line 129) ... ok
[INFO] [stdout] test src/delivery_system.rs - delivery_system::FoodDeliverySystem<T>::closest_farms (line 41) ... ok
[INFO] [stdout] test src/delivery_system.rs - delivery_system::FoodDeliverySystem<T>::reverse_closest_farms (line 63) ... ok
[INFO] [stdout] test src/delivery_system.rs - delivery_system::FoodDeliverySystem (line 9) ... 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>::closest (line 44) ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "33d621dcdc2c36f1ebed62e3c963378935eac6e539e21a3e97617a196a1356a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d621dcdc2c36f1ebed62e3c963378935eac6e539e21a3e97617a196a1356a3", kill_on_drop: false }`
[INFO] [stdout] 33d621dcdc2c36f1ebed62e3c963378935eac6e539e21a3e97617a196a1356a3