[INFO] fetching crate rand 0.8.4...
[INFO] testing rand-0.8.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rand 0.8.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rand 0.8.4 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rand 0.8.4
[INFO] finished tweaking crates.io crate rand 0.8.4
[INFO] tweaked toml for crates.io crate rand 0.8.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rand 0.8.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0da10bc0889be523ada01a6b9d49768f4dcce705d011cee54a9bd30449768762
[INFO] running `Command { std: "docker" "start" "-a" "0da10bc0889be523ada01a6b9d49768f4dcce705d011cee54a9bd30449768762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0da10bc0889be523ada01a6b9d49768f4dcce705d011cee54a9bd30449768762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da10bc0889be523ada01a6b9d49768f4dcce705d011cee54a9bd30449768762", kill_on_drop: false }`
[INFO] [stdout] 0da10bc0889be523ada01a6b9d49768f4dcce705d011cee54a9bd30449768762
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24ac3b9ff3316f53dfadc3d8e8e8c40bd41d91bb16bd0e4b415942b57ca9ae88
[INFO] running `Command { std: "docker" "start" "-a" "24ac3b9ff3316f53dfadc3d8e8e8c40bd41d91bb16bd0e4b415942b57ca9ae88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "24ac3b9ff3316f53dfadc3d8e8e8c40bd41d91bb16bd0e4b415942b57ca9ae88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ac3b9ff3316f53dfadc3d8e8e8c40bd41d91bb16bd0e4b415942b57ca9ae88", kill_on_drop: false }`
[INFO] [stdout] 24ac3b9ff3316f53dfadc3d8e8e8c40bd41d91bb16bd0e4b415942b57ca9ae88
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6bb37d26fe3097e5975560108717d579b6459cc58f71d9693706eac0b7c4177
[INFO] running `Command { std: "docker" "start" "-a" "a6bb37d26fe3097e5975560108717d579b6459cc58f71d9693706eac0b7c4177", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[INFO] [stderr]    Compiling rand_hc v0.3.1
[INFO] [stderr]    Compiling bincode v1.3.2
[INFO] [stderr]    Compiling rand v0.8.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.88s
[INFO] running `Command { std: "docker" "inspect" "a6bb37d26fe3097e5975560108717d579b6459cc58f71d9693706eac0b7c4177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6bb37d26fe3097e5975560108717d579b6459cc58f71d9693706eac0b7c4177", kill_on_drop: false }`
[INFO] [stdout] a6bb37d26fe3097e5975560108717d579b6459cc58f71d9693706eac0b7c4177
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3fc9063c7e8d20f975a06f8da9bbc4fa85c05d6922b54e433b358a95aa06feb2
[INFO] running `Command { std: "docker" "start" "-a" "3fc9063c7e8d20f975a06f8da9bbc4fa85c05d6922b54e433b358a95aa06feb2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 72 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rand-9980108d8548c320)
[INFO] [stdout] test distributions::bernoulli::test::test_trivial ... ok
[INFO] [stdout] test distributions::distribution::tests::test_dist_string ... ok
[INFO] [stdout] test distributions::distribution::tests::test_make_an_iter ... ok
[INFO] [stdout] test distributions::float::tests::f32_edge_cases ... ok
[INFO] [stdout] test distributions::float::tests::value_stability ... ok
[INFO] [stdout] test distributions::integer::tests::test_integers ... ok
[INFO] [stdout] test distributions::integer::tests::value_stability ... ok
[INFO] [stdout] test distributions::other::tests::test_misc ... ok
[INFO] [stdout] test distributions::other::tests::value_stability ... ok
[INFO] [stdout] test distributions::float::tests::f64_edge_cases ... ok
[INFO] [stdout] test distributions::uniform::tests::test_char ... ok
[INFO] [stdout] test distributions::uniform::tests::test_custom_uniform ... ok
[INFO] [stdout] test distributions::other::tests::test_chars ... ok
[INFO] [stdout] test distributions::uniform::tests::test_uniform_from_std_range ... ok
[INFO] [stdout] test distributions::uniform::tests::test_durations ... ok
[INFO] [stdout] test distributions::uniform::tests::test_floats ... ok
[INFO] [stdout] test distributions::distribution::tests::test_distributions_iter ... ok
[INFO] [stdout] test distributions::uniform::tests::test_uniform_from_std_range_inclusive ... ok
[INFO] [stdout] test distributions::distribution::tests::test_distributions_map ... ok
[INFO] [stdout] test distributions::bernoulli::test::value_stability ... ok
[INFO] [stdout] test distributions::other::tests::test_alphanumeric ... ok
[INFO] [stdout] test distributions::uniform::tests::test_uniform_good_limits_equal_int ... ok
[INFO] [stdout] test distributions::uniform::tests::value_stability ... ok
[INFO] [stdout] test rng::test::test_fill_bytes_default ... ok
[INFO] [stdout] test rng::test::test_fill_empty ... ok
[INFO] [stdout] test distributions::weighted_index::test::test_accepting_nan ... ok
[INFO] [stdout] test seq::index::test::test_sample_weighted ... ok
[INFO] [stdout] test distributions::weighted_index::test::test_update_weights ... ok
[INFO] [stdout] test rng::test::test_gen_range_float ... ok
[INFO] [stdout] test distributions::weighted_index::test::value_stability ... ok
[INFO] [stdout] test rng::test::test_rng_boxed_trait ... ok
[INFO] [stdout] test rng::test::test_fill ... ok
[INFO] [stdout] test rngs::adapter::read::test::test_reader_rng_fill_bytes ... ok
[INFO] [stdout] test rng::test::test_rng_trait_object ... ok
[INFO] [stdout] test rng::test::test_gen_range_int ... ok
[INFO] [stdout] test rngs::adapter::read::test::test_reader_rng_u32 ... ok
[INFO] [stdout] test rngs::adapter::reseeding::test::test_clone_reseeding ... ok
[INFO] [stdout] test rngs::adapter::reseeding::test::test_reseeding ... ok
[INFO] [stdout] test distributions::bernoulli::test::test_average ... ok
[INFO] [stdout] test distributions::weighted_index::test::test_weightedindex ... ok
[INFO] [stdout] test rngs::adapter::read::test::test_reader_rng_u64 ... ok
[INFO] [stdout] test rngs::adapter::read::test::test_reader_rng_insufficient_bytes ... ok
[INFO] [stdout] test seq::index::test::test_sample_boundaries ... ok
[INFO] [stdout] test seq::test::value_stability_choose_multiple ... ok
[INFO] [stdout] test seq::test::test_slice_choose ... ok
[INFO] [stdout] test seq::test::test_partial_shuffle ... ok
[INFO] [stdout] test seq::test::test_multiple_weighted_edge_cases ... ok
[INFO] [stdout] test rngs::std::test::test_stdrng_construction ... ok
[INFO] [stdout] test seq::test::test_sample_iter ... ok
[INFO] [stdout] test seq::index::test::value_stability_sample ... ok
[INFO] [stdout] test seq::test::value_stability_choose ... ok
[INFO] [stdout] test rng::test::test_gen_bool ... ok
[INFO] [stdout] test seq::test::value_stability_choose_stable ... ok
[INFO] [stdout] test distributions::uniform::tests::test_integers ... ok
[INFO] [stdout] test seq::test::value_stability_slice ... ok
[INFO] [stdout] test seq::index::test::test_sample_alg ... ok
[INFO] [stdout] test test::test_random ... ok
[INFO] [stdout] test rngs::thread::test::test_thread_rng ... ok
[INFO] [stdout] test seq::test::test_iterator_choose ... ok
[INFO] [stdout] test rng::test::test_gen_ratio_average ... ok
[INFO] [stdout] test seq::test::test_iterator_choose_stable_stability ... ok
[INFO] [stdout] test seq::test::test_shuffle ... ok
[INFO] [stdout] test distributions::uniform::tests::test_uniform_bad_limits_flipped_int - should panic ... ok
[INFO] [stdout] test rng::test::test_gen_range_panic_usize - should panic ... ok
[INFO] [stdout] test rng::test::test_gen_range_panic_int - should panic ... ok
[INFO] [stdout] test distributions::uniform::tests::test_float_overflow_single - should panic ... ok
[INFO] [stdout] test distributions::uniform::tests::test_uniform_bad_limits_equal_int - should panic ... ok
[INFO] [stdout] test seq::test::test_iterator_choose_stable ... ok
[INFO] [stdout] test distributions::uniform::tests::test_float_overflow - should panic ... ok
[INFO] [stdout] test seq::test::test_weighted ... ok
[INFO] [stdout] test seq::test::test_multiple_weighted_distributions ... ok
[INFO] [stdout] test distributions::uniform::tests::test_float_assertions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 72 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rand
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test src/distributions/uniform.rs - distributions::uniform::Uniform (line 163) ... ok
[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 rand --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-50501ce9af530fc9.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-5a9f4fbf1b1fce6d.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-6fabc42008cf5441.rlib --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-be17d0bd6c68ecea.rlib --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-00728e86ea0da245.rlib --extern rand_hc=/opt/rustwide/target/debug/deps/librand_hc-cd2376d449c03a57.rlib --extern rand_pcg=/opt/rustwide/target/debug/deps/librand_pcg-17db632dc475f8e6.rlib -C embed-bitcode=no --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="getrandom"' --cfg 'feature="libc"' --cfg 'feature="rand_chacha"' --cfg 'feature="rand_hc"' --cfg 'feature="std"' --cfg 'feature="std_rng"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3fc9063c7e8d20f975a06f8da9bbc4fa85c05d6922b54e433b358a95aa06feb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc9063c7e8d20f975a06f8da9bbc4fa85c05d6922b54e433b358a95aa06feb2", kill_on_drop: false }`
[INFO] [stdout] 3fc9063c7e8d20f975a06f8da9bbc4fa85c05d6922b54e433b358a95aa06feb2