[INFO] fetching crate rand 0.8.4... [INFO] testing rand-0.8.4 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate rand 0.8.4 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate rand 0.8.4 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-3/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bincode v1.3.2 [INFO] [stderr] Downloaded packed_simd_2 v0.3.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 88c1a251a9e8d68d28831f0a566b914c2307baeee34a009f256b856c951e6e97 [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" "88c1a251a9e8d68d28831f0a566b914c2307baeee34a009f256b856c951e6e97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "88c1a251a9e8d68d28831f0a566b914c2307baeee34a009f256b856c951e6e97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88c1a251a9e8d68d28831f0a566b914c2307baeee34a009f256b856c951e6e97", kill_on_drop: false }` [INFO] [stdout] 88c1a251a9e8d68d28831f0a566b914c2307baeee34a009f256b856c951e6e97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89db40068f4980fa1b0c440170c30f2390911087b11fa1dd9e88dfc511d0ae36 [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" "89db40068f4980fa1b0c440170c30f2390911087b11fa1dd9e88dfc511d0ae36", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [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 5.76s [INFO] running `Command { std: "docker" "inspect" "89db40068f4980fa1b0c440170c30f2390911087b11fa1dd9e88dfc511d0ae36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89db40068f4980fa1b0c440170c30f2390911087b11fa1dd9e88dfc511d0ae36", kill_on_drop: false }` [INFO] [stdout] 89db40068f4980fa1b0c440170c30f2390911087b11fa1dd9e88dfc511d0ae36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f286a0cbc7114ca59329026627768db5f9b2a8c1ad8075dee760e2e706388bfc [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" "f286a0cbc7114ca59329026627768db5f9b2a8c1ad8075dee760e2e706388bfc", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling rand_hc v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.3.1 [INFO] [stderr] Compiling bincode v1.3.2 [INFO] [stderr] Compiling rand v0.8.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `from` that must be used [INFO] [stdout] --> src/distributions/uniform.rs:1433:9 [INFO] [stdout] | [INFO] [stdout] 1433 | Uniform::from(::core::f64::MIN..::core::f64::MAX); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 10.24s [INFO] running `Command { std: "docker" "inspect" "f286a0cbc7114ca59329026627768db5f9b2a8c1ad8075dee760e2e706388bfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f286a0cbc7114ca59329026627768db5f9b2a8c1ad8075dee760e2e706388bfc", kill_on_drop: false }` [INFO] [stdout] f286a0cbc7114ca59329026627768db5f9b2a8c1ad8075dee760e2e706388bfc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 49bbbf23130633036a8f2d5325de6d49793241b6d5ef5b4e6d28962dd4522d27 [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" "49bbbf23130633036a8f2d5325de6d49793241b6d5ef5b4e6d28962dd4522d27", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `from` that must be used [INFO] [stderr] --> src/distributions/uniform.rs:1433:9 [INFO] [stderr] | [INFO] [stderr] 1433 | Uniform::from(::core::f64::MIN..::core::f64::MAX); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rand` (lib test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rand-dc12fa5489530f3d) [INFO] [stdout] running 72 tests [INFO] [stdout] test distributions::bernoulli::test::test_trivial ... ok [INFO] [stdout] test distributions::bernoulli::test::value_stability ... ok [INFO] [stdout] test distributions::distribution::tests::test_distributions_map ... ok [INFO] [stdout] test distributions::float::tests::f32_edge_cases ... ok [INFO] [stdout] test distributions::float::tests::f64_edge_cases ... ok [INFO] [stdout] test distributions::float::tests::value_stability ... ok [INFO] [stdout] test distributions::integer::tests::value_stability ... ok [INFO] [stdout] test distributions::other::tests::test_alphanumeric ... ok [INFO] [stdout] test distributions::distribution::tests::test_distributions_iter ... ok [INFO] [stdout] test distributions::other::tests::test_chars ... ok [INFO] [stdout] test distributions::other::tests::test_misc ... ok [INFO] [stdout] test distributions::uniform::tests::test_custom_uniform ... ok [INFO] [stdout] test distributions::distribution::tests::test_dist_string ... ok [INFO] [stdout] test distributions::uniform::tests::test_durations ... ok [INFO] [stdout] test distributions::uniform::tests::value_stability ... ok [INFO] [stdout] test distributions::uniform::tests::test_uniform_good_limits_equal_int ... ok [INFO] [stdout] test distributions::uniform::tests::test_uniform_from_std_range_inclusive ... ok [INFO] [stdout] test distributions::weighted_index::test::test_accepting_nan ... ok [INFO] [stdout] test distributions::weighted_index::test::test_update_weights ... ok [INFO] [stdout] test distributions::integer::tests::test_integers ... ok [INFO] [stdout] test distributions::uniform::tests::test_uniform_from_std_range ... ok [INFO] [stdout] test distributions::other::tests::value_stability ... ok [INFO] [stdout] test distributions::distribution::tests::test_make_an_iter ... ok [INFO] [stdout] test distributions::uniform::tests::test_char ... ok [INFO] [stdout] test distributions::uniform::tests::test_floats ... 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::value_stability ... ok [INFO] [stdout] test rng::test::test_fill ... ok [INFO] [stdout] test distributions::weighted_index::test::test_weightedindex ... ok [INFO] [stdout] test rng::test::test_gen_bool ... 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_rng_boxed_trait ... ok [INFO] [stdout] test rng::test::test_gen_range_int ... ok [INFO] [stdout] test rng::test::test_gen_range_float ... ok [INFO] [stdout] test rng::test::test_gen_ratio_average ... ok [INFO] [stdout] test rngs::adapter::read::test::test_reader_rng_u32 ... 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 rngs::adapter::read::test::test_reader_rng_u64 ... ok [INFO] [stdout] test rngs::thread::test::test_thread_rng ... 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 rngs::std::test::test_stdrng_construction ... ok [INFO] [stdout] test seq::index::test::test_sample_alg ... ok [INFO] [stdout] test seq::index::test::value_stability_sample ... ok [INFO] [stdout] test seq::test::test_partial_shuffle ... ok [INFO] [stdout] test seq::test::test_multiple_weighted_edge_cases ... ok [INFO] [stdout] test seq::index::test::test_sample_weighted ... ok [INFO] [stdout] test seq::test::test_slice_choose ... ok [INFO] [stdout] test seq::test::test_sample_iter ... ok [INFO] [stdout] test seq::test::test_iterator_choose ... ok [INFO] [stdout] test seq::test::value_stability_choose ... ok [INFO] [stdout] test distributions::bernoulli::test::test_average ... ok [INFO] [stdout] test seq::test::value_stability_choose_stable ... ok [INFO] [stdout] test seq::test::value_stability_choose_multiple ... ok [INFO] [stdout] test seq::test::value_stability_slice ... ok [INFO] [stdout] test seq::test::test_iterator_choose_stable ... ok [INFO] [stdout] test seq::test::test_weighted ... ok [INFO] [stdout] test test::test_random ... ok [INFO] [stdout] test distributions::uniform::tests::test_integers ... ok [INFO] [stdout] test distributions::uniform::tests::test_float_overflow - should panic ... ok [INFO] [stdout] test seq::test::test_iterator_choose_stable_stability ... ok [INFO] [stdout] test distributions::uniform::tests::test_uniform_bad_limits_equal_int - should panic ... ok [INFO] [stdout] test rng::test::test_gen_range_panic_usize - should panic ... ok [INFO] [stdout] test distributions::uniform::tests::test_uniform_bad_limits_flipped_int - should panic ... ok [INFO] [stdout] test distributions::uniform::tests::test_float_overflow_single - should panic ... ok [INFO] [stdout] test rng::test::test_gen_range_panic_int - should panic ... ok [INFO] [stdout] test seq::test::test_shuffle ... 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 0.25s [INFO] [stdout] [INFO] [stderr] Doc-tests rand [INFO] [stdout] [INFO] [stdout] running 39 tests [INFO] [stdout] test src/distributions/uniform.rs - distributions::uniform::UniformSampler::sample_single (line 265) ... ok [INFO] [stdout] test src/distributions/other.rs - distributions::other::Alphanumeric (line 34) ... ok [INFO] [stdout] test src/distributions/distribution.rs - distributions::distribution::Distribution::map (line 90) ... ok [INFO] [stdout] test src/distributions/bernoulli.rs - distributions::bernoulli::Bernoulli (line 23) ... ok [INFO] [stdout] test src/distributions/uniform.rs - distributions::uniform (line 61) ... ok [INFO] [stdout] test src/distributions/distribution.rs - distributions::distribution::Distribution::sample_iter (line 50) ... ok [INFO] [stdout] test src/distributions/weighted_index.rs - distributions::weighted_index::WeightedIndex (line 55) ... ok [INFO] [stdout] test src/distributions/mod.rs - distributions::Standard (line 175) ... ok [INFO] [stdout] test src/distributions/mod.rs - distributions::Standard (line 192) ... ok [INFO] [stdout] test src/distributions/uniform.rs - distributions::uniform (line 29) ... ok [INFO] [stdout] test src/distributions/uniform.rs - distributions::uniform::Uniform (line 149) ... ok [INFO] [stdout] test src/distributions/float.rs - distributions::float::OpenClosed01 (line 33) ... ok [INFO] [stdout] test src/distributions/uniform.rs - distributions::uniform::Uniform (line 163) ... ok [INFO] [stdout] test src/distributions/slice.rs - distributions::slice::Slice (line 52) ... ok [INFO] [stdout] test src/distributions/float.rs - distributions::float::Open01 (line 60) ... ok [INFO] [stdout] test src/distributions/slice.rs - distributions::slice::Slice (line 30) ... ok [INFO] [stdout] test src/rng.rs - rng::Rng (line 45) ... ok [INFO] [stdout] test src/rng.rs - rng::Rng::sample (line 142) ... ok [INFO] [stdout] test src/lib.rs - random (line 162) ... ok [INFO] [stdout] test src/rng.rs - rng::Rng::gen (line 60) ... ok [INFO] [stdout] test src/rngs/adapter/reseeding.rs - rngs::adapter::reseeding::ReseedingRng (line 59) ... ok [INFO] [stdout] test src/lib.rs - (line 23) ... ok [INFO] [stdout] test src/rng.rs - rng::Rng::gen_bool (line 257) ... ok [INFO] [stdout] test src/prelude.rs - prelude (line 15) ... ok [INFO] [stdout] test src/lib.rs - random (line 147) ... ok [INFO] [stdout] test src/rng.rs - rng::Rng::fill (line 209) ... ok [INFO] [stdout] test src/rng.rs - rng::Rng::gen_range (line 112) ... ok [INFO] [stdout] test src/rng.rs - rng::Rng::gen (line 80) ... ok [INFO] [stdout] test src/rng.rs - rng::Rng::gen_ratio (line 290) ... ok [INFO] [stdout] test src/rngs/mock.rs - rngs::mock::StepRng (line 22) ... ok [INFO] [stdout] test src/rng.rs - rng::Rng::try_fill (line 231) ... ok [INFO] [stdout] test src/rng.rs - rng::Rng::sample_iter (line 166) ... ok [INFO] [stdout] test src/seq/mod.rs - seq::IteratorRandom (line 276) ... ok [INFO] [stdout] test src/seq/mod.rs - seq::SliceRandom::shuffle (line 234) ... ok [INFO] [stdout] test src/seq/mod.rs - seq::SliceRandom::choose (line 70) ... ok [INFO] [stdout] test src/seq/mod.rs - seq::SliceRandom (line 46) ... ok [INFO] [stdout] test src/seq/mod.rs - seq::SliceRandom::choose_weighted (line 130) ... ok [INFO] [stdout] test src/seq/mod.rs - seq::SliceRandom::choose_multiple_weighted (line 202) ... ok [INFO] [stdout] test src/seq/mod.rs - seq::SliceRandom::choose_multiple (line 98) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.81s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "49bbbf23130633036a8f2d5325de6d49793241b6d5ef5b4e6d28962dd4522d27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49bbbf23130633036a8f2d5325de6d49793241b6d5ef5b4e6d28962dd4522d27", kill_on_drop: false }` [INFO] [stdout] 49bbbf23130633036a8f2d5325de6d49793241b6d5ef5b4e6d28962dd4522d27