[INFO] fetching crate lehmer 3.0.0...
[INFO] testing lehmer-3.0.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate lehmer 3.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lehmer 3.0.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bebfc5e1c29ba5e8a8f252f0e7c7a2161d9d6458d5dd10a57c087af16e3c389c
[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" "bebfc5e1c29ba5e8a8f252f0e7c7a2161d9d6458d5dd10a57c087af16e3c389c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bebfc5e1c29ba5e8a8f252f0e7c7a2161d9d6458d5dd10a57c087af16e3c389c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bebfc5e1c29ba5e8a8f252f0e7c7a2161d9d6458d5dd10a57c087af16e3c389c", kill_on_drop: false }`
[INFO] [stdout] bebfc5e1c29ba5e8a8f252f0e7c7a2161d9d6458d5dd10a57c087af16e3c389c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] e5235dc313c9a7286126bc8857d099cf987ea2e864baa88b0e8ba5423e1cea75
[INFO] running `Command { std: "docker" "start" "-a" "e5235dc313c9a7286126bc8857d099cf987ea2e864baa88b0e8ba5423e1cea75", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lehmer v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "e5235dc313c9a7286126bc8857d099cf987ea2e864baa88b0e8ba5423e1cea75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5235dc313c9a7286126bc8857d099cf987ea2e864baa88b0e8ba5423e1cea75", kill_on_drop: false }`
[INFO] [stdout] e5235dc313c9a7286126bc8857d099cf987ea2e864baa88b0e8ba5423e1cea75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b142718ac1121d7447f5ec38bfb80724b6df2f97c8d530dabe752b3c9c7f61c9
[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" "b142718ac1121d7447f5ec38bfb80724b6df2f97c8d530dabe752b3c9c7f61c9", 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 2.57s
[INFO] running `Command { std: "docker" "inspect" "b142718ac1121d7447f5ec38bfb80724b6df2f97c8d530dabe752b3c9c7f61c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b142718ac1121d7447f5ec38bfb80724b6df2f97c8d530dabe752b3c9c7f61c9", kill_on_drop: false }`
[INFO] [stdout] b142718ac1121d7447f5ec38bfb80724b6df2f97c8d530dabe752b3c9c7f61c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3153652d69ec999bc396c22094355453bf4473615a3a6c2bcbf82b9304670400
[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" "3153652d69ec999bc396c22094355453bf4473615a3a6c2bcbf82b9304670400", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 18 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lehmer-385fe153e4367a54)
[INFO] [stdout] test bit_string::test::set::it_sets_the_nth_bit ... ok
[INFO] [stdout] test test::max_value::it_returns_the_maximum_decimal_for_a_permutation_of_n_items ... ok
[INFO] [stdout] test test::to_decimal::it_maps_a_lehmer_code_to_its_decimal_number ... ok
[INFO] [stdout] test test::to_decimal::it_works_for_a_complicated_case ... ok
[INFO] [stdout] test test::to_decimal::it_works_for_the_trivial_case ... ok
[INFO] [stdout] test bit_string::test::new::it_is_initialized_to_zero ... ok
[INFO] [stdout] test test::from_decimal::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::from_permutation::it_works_for_the_trivial_case ... ok
[INFO] [stdout] test bit_string::test::count_until::it_counts_the_number_of_set_bits_until_the_nth_bit ... ok
[INFO] [stdout] test test::from_permutation::it_works_for_a_complicated_case ... ok
[INFO] [stdout] test test::to_permutation::it_maps_a_lehmer_code_to_its_permutation ... ok
[INFO] [stdout] test test::from_decimal::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::to_permutation::it_works_for_a_complicated_case ... ok
[INFO] [stdout] test test::to_permutation::it_works_for_trivial_cases ... ok
[INFO] [stderr]      Running tests/lehmer_test.rs (/opt/rustwide/target/debug/deps/lehmer_test-540678d9680dc10e)
[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 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lehmer
[INFO] [stdout] 
[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" "3153652d69ec999bc396c22094355453bf4473615a3a6c2bcbf82b9304670400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3153652d69ec999bc396c22094355453bf4473615a3a6c2bcbf82b9304670400", kill_on_drop: false }`
[INFO] [stdout] 3153652d69ec999bc396c22094355453bf4473615a3a6c2bcbf82b9304670400