[INFO] fetching crate lehmer 3.0.0...
[INFO] testing lehmer-3.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate lehmer 3.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lehmer 3.0.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 857021c58593272f311512d909b5fedd6a640be77a6a4f26ced4d11c4cfa2105
[INFO] running `Command { std: "docker" "start" "-a" "857021c58593272f311512d909b5fedd6a640be77a6a4f26ced4d11c4cfa2105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "857021c58593272f311512d909b5fedd6a640be77a6a4f26ced4d11c4cfa2105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857021c58593272f311512d909b5fedd6a640be77a6a4f26ced4d11c4cfa2105", kill_on_drop: false }`
[INFO] [stdout] 857021c58593272f311512d909b5fedd6a640be77a6a4f26ced4d11c4cfa2105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ce23f879080d5e946225d85327b3a9a5e55dbeb3bc1f3e4cf177ec94750da09
[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" "0ce23f879080d5e946225d85327b3a9a5e55dbeb3bc1f3e4cf177ec94750da09", kill_on_drop: false }`
[INFO] [stderr]    Compiling lehmer v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "0ce23f879080d5e946225d85327b3a9a5e55dbeb3bc1f3e4cf177ec94750da09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ce23f879080d5e946225d85327b3a9a5e55dbeb3bc1f3e4cf177ec94750da09", kill_on_drop: false }`
[INFO] [stdout] 0ce23f879080d5e946225d85327b3a9a5e55dbeb3bc1f3e4cf177ec94750da09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d570209eb20258a297e91e152b8d9edf8c8fa054302b3c09611400e2d5e07c43
[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" "d570209eb20258a297e91e152b8d9edf8c8fa054302b3c09611400e2d5e07c43", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.25s
[INFO] running `Command { std: "docker" "inspect" "d570209eb20258a297e91e152b8d9edf8c8fa054302b3c09611400e2d5e07c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d570209eb20258a297e91e152b8d9edf8c8fa054302b3c09611400e2d5e07c43", kill_on_drop: false }`
[INFO] [stdout] d570209eb20258a297e91e152b8d9edf8c8fa054302b3c09611400e2d5e07c43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1df6f52b61754fdce908bb5755837c875f0f70b18e6b682f7d8d34b6519fb53f
[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" "1df6f52b61754fdce908bb5755837c875f0f70b18e6b682f7d8d34b6519fb53f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.97s
[INFO] [stdout] running 18 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lehmer-e89808811b4367ad)
[INFO] [stdout] test bit_string::test::new::it_is_initialized_to_zero ... ok
[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::set::it_sets_the_nth_bit ... ok
[INFO] [stdout] test test::from_permutation::it_works_for_a_complicated_case ... ok
[INFO] [stdout] test test::from_decimal::it_maps_a_decimal_number_to_its_lehmer_code ... ok
[INFO] [stdout] test test::max_value::it_returns_the_maximum_decimal_for_a_permutation_of_n_items ... ok
[INFO] [stdout] test test::from_decimal::it_works_for_a_complicated_case ... ok
[INFO] [stdout] test test::to_decimal::it_works_for_a_complicated_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_maps_a_lehmer_code_to_its_permutation ... ok
[INFO] [stdout] test test::to_permutation::it_works_for_a_complicated_case ... ok
[INFO] [stdout] test test::from_decimal::it_works_for_trivial_cases ... ok
[INFO] [stdout] test test::to_decimal::it_works_for_the_trivial_case ... ok
[INFO] [stdout] test test::to_permutation::it_works_for_trivial_cases ... ok
[INFO] [stdout] test test::from_permutation::it_maps_a_permutation_to_its_lehmer_code ... ok
[INFO] [stdout] test test::from_permutation::it_works_for_the_trivial_case ... ok
[INFO] [stdout] test bit_string::test::set::it_panics_if_n_is_out_of_bounds - should panic ... ok
[INFO] [stdout] test bit_string::test::count_until::it_panics_if_n_is_out_of_bounds - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lehmer_test.rs (/opt/rustwide/target/debug/deps/lehmer_test-988bddb692a3c717)
[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; finished in 0.00s
[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] running `Command { std: "docker" "inspect" "1df6f52b61754fdce908bb5755837c875f0f70b18e6b682f7d8d34b6519fb53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df6f52b61754fdce908bb5755837c875f0f70b18e6b682f7d8d34b6519fb53f", kill_on_drop: false }`
[INFO] [stdout] 1df6f52b61754fdce908bb5755837c875f0f70b18e6b682f7d8d34b6519fb53f