[INFO] crate lehmer 3.0.0 is already in cache
[INFO] testing lehmer-3.0.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate lehmer 3.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lehmer 3.0.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lehmer 3.0.0
[INFO] finished tweaking crates.io crate lehmer 3.0.0
[INFO] tweaked toml for crates.io crate lehmer 3.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 4ff58dfcf1bb29a515123fa5d5ea131504de83c6a140e174ba96941604a38fff
[INFO] running `Command { std: "docker" "start" "-a" "4ff58dfcf1bb29a515123fa5d5ea131504de83c6a140e174ba96941604a38fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ff58dfcf1bb29a515123fa5d5ea131504de83c6a140e174ba96941604a38fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff58dfcf1bb29a515123fa5d5ea131504de83c6a140e174ba96941604a38fff", kill_on_drop: false }`
[INFO] [stdout] 4ff58dfcf1bb29a515123fa5d5ea131504de83c6a140e174ba96941604a38fff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb22eb4790d1cd83b9e9eec5fdfa87bf2b5a8ffc3625669a0b50f38640a51430
[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" "fb22eb4790d1cd83b9e9eec5fdfa87bf2b5a8ffc3625669a0b50f38640a51430", kill_on_drop: false }`
[INFO] [stderr]    Compiling lehmer v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "fb22eb4790d1cd83b9e9eec5fdfa87bf2b5a8ffc3625669a0b50f38640a51430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb22eb4790d1cd83b9e9eec5fdfa87bf2b5a8ffc3625669a0b50f38640a51430", kill_on_drop: false }`
[INFO] [stdout] fb22eb4790d1cd83b9e9eec5fdfa87bf2b5a8ffc3625669a0b50f38640a51430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d99113c2f496970c1ac9c37487df764ca30d8839365577e9fe50a87b8a4bbb47
[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" "d99113c2f496970c1ac9c37487df764ca30d8839365577e9fe50a87b8a4bbb47", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling lehmer v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "d99113c2f496970c1ac9c37487df764ca30d8839365577e9fe50a87b8a4bbb47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d99113c2f496970c1ac9c37487df764ca30d8839365577e9fe50a87b8a4bbb47", kill_on_drop: false }`
[INFO] [stdout] d99113c2f496970c1ac9c37487df764ca30d8839365577e9fe50a87b8a4bbb47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96cf74ac69ebe85cc53b70ee092ca06bc8045be023cd8b4ac4e8efa91f94cd17
[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" "96cf74ac69ebe85cc53b70ee092ca06bc8045be023cd8b4ac4e8efa91f94cd17", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lehmer-55b171615d531c71
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test bit_string::test::count_until::it_counts_the_number_of_set_bits_until_the_nth_bit ... ok
[INFO] [stdout] test bit_string::test::new::it_is_initialized_to_zero ... ok
[INFO] [stdout] test test::to_decimal::it_works_for_the_trivial_case ... ok
[INFO] [stdout] test test::to_decimal::it_maps_a_lehmer_code_to_its_decimal_number ... ok
[INFO] [stdout] test test::to_permutation::it_works_for_a_complicated_case ... ok
[INFO] [stdout] test test::from_decimal::it_works_for_a_complicated_case ... ok
[INFO] [stdout] test test::from_permutation::it_works_for_the_trivial_case ... ok
[INFO] [stdout] test test::to_decimal::it_works_for_a_complicated_case ... ok
[INFO] [stdout] test test::from_decimal::it_works_for_trivial_cases ... ok
[INFO] [stdout] test test::to_permutation::it_maps_a_lehmer_code_to_its_permutation ... ok
[INFO] [stdout] test test::max_value::it_returns_the_maximum_decimal_for_a_permutation_of_n_items ... ok
[INFO] [stdout] test test::from_permutation::it_works_for_a_complicated_case ... ok
[INFO] [stdout] test bit_string::test::set::it_sets_the_nth_bit ... ok
[INFO] [stdout] test test::from_decimal::it_maps_a_decimal_number_to_its_lehmer_code ... ok
[INFO] [stdout] test test::from_permutation::it_maps_a_permutation_to_its_lehmer_code ... ok
[INFO] [stdout] test test::to_permutation::it_works_for_trivial_cases ... ok
[INFO] [stdout] test bit_string::test::set::it_panics_if_n_is_out_of_bounds ... ok
[INFO] [stdout] test bit_string::test::count_until::it_panics_if_n_is_out_of_bounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lehmer_test-8b88abb89f43f01a
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lehmer
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_can_convert_between_permutations_lehmer_codes_and_decimals ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "96cf74ac69ebe85cc53b70ee092ca06bc8045be023cd8b4ac4e8efa91f94cd17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96cf74ac69ebe85cc53b70ee092ca06bc8045be023cd8b4ac4e8efa91f94cd17", kill_on_drop: false }`
[INFO] [stdout] 96cf74ac69ebe85cc53b70ee092ca06bc8045be023cd8b4ac4e8efa91f94cd17