[INFO] fetching crate xor-distance-exercise 0.3.6...
[INFO] testing xor-distance-exercise-0.3.6 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate xor-distance-exercise 0.3.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate xor-distance-exercise 0.3.6 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", 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] a12e19e5701dcd134502572af553f2b1f81d5d1fe359bfbfd863cd19935edc7c
[INFO] running `Command { std: "docker" "start" "-a" "a12e19e5701dcd134502572af553f2b1f81d5d1fe359bfbfd863cd19935edc7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a12e19e5701dcd134502572af553f2b1f81d5d1fe359bfbfd863cd19935edc7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12e19e5701dcd134502572af553f2b1f81d5d1fe359bfbfd863cd19935edc7c", kill_on_drop: false }`
[INFO] [stdout] a12e19e5701dcd134502572af553f2b1f81d5d1fe359bfbfd863cd19935edc7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", 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] 6734e822b674d88182fb26f4062f702c11aec2786645ae42dbc365971d316db8
[INFO] running `Command { std: "docker" "start" "-a" "6734e822b674d88182fb26f4062f702c11aec2786645ae42dbc365971d316db8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[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 num-traits v0.2.14
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling xor-distance-exercise v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.92s
[INFO] running `Command { std: "docker" "inspect" "6734e822b674d88182fb26f4062f702c11aec2786645ae42dbc365971d316db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6734e822b674d88182fb26f4062f702c11aec2786645ae42dbc365971d316db8", kill_on_drop: false }`
[INFO] [stdout] 6734e822b674d88182fb26f4062f702c11aec2786645ae42dbc365971d316db8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56b89c0c5384cd91b0cde7a48282422f5529700d52d2e731d63840f69fdadb5e
[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" "56b89c0c5384cd91b0cde7a48282422f5529700d52d2e731d63840f69fdadb5e", 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 1.28s
[INFO] running `Command { std: "docker" "inspect" "56b89c0c5384cd91b0cde7a48282422f5529700d52d2e731d63840f69fdadb5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b89c0c5384cd91b0cde7a48282422f5529700d52d2e731d63840f69fdadb5e", kill_on_drop: false }`
[INFO] [stdout] 56b89c0c5384cd91b0cde7a48282422f5529700d52d2e731d63840f69fdadb5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae344cd41d1634799fee6c3eeb892ba3cadb7551bcf944d6268b144a61bef2a9
[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" "ae344cd41d1634799fee6c3eeb892ba3cadb7551bcf944d6268b144a61bef2a9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xor_distance_exercise-10f3fb54db0ca71a)
[INFO] [stdout] running 27 tests
[INFO] [stdout] test bitops::tests::check_is_bit_set ... ok
[INFO] [stdout] test bitops::tests::check_is_flag ... ok
[INFO] [stdout] test bitops::tests::check_set_flag ... ok
[INFO] [stdout] test bits::tests::incorporate_bit ... ok
[INFO] [stdout] test bits::tests::is_bit_decided ... ok
[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 bits::tests::new_bits_by_default_none ... ok
[INFO] [stdout] test delivery_system::tests::closest_farms ... ok
[INFO] [stdout] test bits::tests::set_bit_within_constrains ... ok
[INFO] [stdout] test delivery_system::tests::reverse_closest_farms ... ok
[INFO] [stdout] test bitops::tests::check_set_bit ... ok
[INFO] [stdout] test xor_distance::tests::reverse_closest_u64 ... ok
[INFO] [stdout] test xor_distance::tests::closest_u64 ... ok
[INFO] [stdout] test xor_distance::tests::reverse_closest_invalid_input ... ok
[INFO] [stdout] test xor_distance::tests::closest_u8 ... ok
[INFO] [stdout] test xor_distance::tests::compose_closest_points_inequalities ... ok
[INFO] [stdout] test bits::tests::bit_size ... ok
[INFO] [stdout] test bits::tests::form_zero_padded_number ... ok
[INFO] [stdout] test bits::tests::get_set_bit ... ok
[INFO] [stdout] test xor_distance::tests::compose_further_points_inequalities ... ok
[INFO] [stdout] test bits::tests::set_bit_index_out_of_range - should panic ... 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 xor_distance::tests::reverse_closest_u8 ... ok
[INFO] [stdout] test delivery_system::tests::reverse_closest_farms_random_set ... 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 0.47s
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xor_distance_exercise-dbac6f0f54acb194)
[INFO] [stderr]    Doc-tests xor-distance-exercise
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name xor_distance_exercise --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-819abb75827096f3.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-0a6657775f026cf7.rlib --extern xor_distance_exercise=/opt/rustwide/target/debug/deps/libxor_distance_exercise-6a7c82633bd85c89.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ae344cd41d1634799fee6c3eeb892ba3cadb7551bcf944d6268b144a61bef2a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae344cd41d1634799fee6c3eeb892ba3cadb7551bcf944d6268b144a61bef2a9", kill_on_drop: false }`
[INFO] [stdout] ae344cd41d1634799fee6c3eeb892ba3cadb7551bcf944d6268b144a61bef2a9