[INFO] crate suppositions 0.1.4 is already in cache [INFO] extracting crate suppositions 0.1.4 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/suppositions/0.1.4 [INFO] extracting crate suppositions 0.1.4 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/suppositions/0.1.4 [INFO] validating manifest of suppositions-0.1.4 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of suppositions-0.1.4 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing suppositions-0.1.4 [INFO] finished frobbing suppositions-0.1.4 [INFO] frobbed toml for suppositions-0.1.4 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/suppositions/0.1.4/Cargo.toml [INFO] started frobbing suppositions-0.1.4 [INFO] finished frobbing suppositions-0.1.4 [INFO] frobbed toml for suppositions-0.1.4 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/suppositions/0.1.4/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing suppositions-0.1.4 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/suppositions/0.1.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"` [INFO] [stdout] 7ff0b6db4361553857059ae76bf2898f18ce814ad5ba006c242c8f9ff3543f25 [INFO] running `"docker" "start" "-a" "7ff0b6db4361553857059ae76bf2898f18ce814ad5ba006c242c8f9ff3543f25"` [INFO] [stderr] Compiling hex-slice v0.1.4 [INFO] [stderr] Compiling suppositions v0.1.4 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.52s [INFO] running `"docker" "inspect" "7ff0b6db4361553857059ae76bf2898f18ce814ad5ba006c242c8f9ff3543f25"` [INFO] running `"docker" "rm" "-f" "7ff0b6db4361553857059ae76bf2898f18ce814ad5ba006c242c8f9ff3543f25"` [INFO] [stdout] 7ff0b6db4361553857059ae76bf2898f18ce814ad5ba006c242c8f9ff3543f25 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/suppositions/0.1.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 457277d0f0590bf7fc6f6e346032fa26d82c420cb8a68215089cda94a801ba09 [INFO] running `"docker" "start" "-a" "457277d0f0590bf7fc6f6e346032fa26d82c420cb8a68215089cda94a801ba09"` [INFO] [stderr] Compiling suppositions v0.1.4 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> tests/smoketest.rs:57:14 [INFO] [stderr] | [INFO] [stderr] 57 | property((booleans())).check(|_| false) [INFO] [stderr] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> tests/smoketest.rs:62:14 [INFO] [stderr] | [INFO] [stderr] 62 | property((booleans())).check(|_| true) [INFO] [stderr] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> tests/smoketest.rs:77:14 [INFO] [stderr] | [INFO] [stderr] 77 | property((booleans())).check(|_| -> Result<(), ()> { Err(()) }) [INFO] [stderr] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> tests/smoketest.rs:83:14 [INFO] [stderr] | [INFO] [stderr] 83 | property((booleans())).check(|_| -> Result<(), &'static str> { Err("horrible failure") }) [INFO] [stderr] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> tests/smoketest.rs:89:14 [INFO] [stderr] | [INFO] [stderr] 89 | property((booleans())).check(|_| -> Result<(), ()> { Ok(()) }) [INFO] [stderr] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> tests/smoketest.rs:95:14 [INFO] [stderr] | [INFO] [stderr] 95 | property((booleans())).check(|_| -> () { panic!("Big bad boom") }) [INFO] [stderr] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> tests/smoketest.rs:101:14 [INFO] [stderr] | [INFO] [stderr] 101 | property((booleans())).check(|_| -> () { panic!("Big bad boom") }) [INFO] [stderr] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.48s [INFO] running `"docker" "inspect" "457277d0f0590bf7fc6f6e346032fa26d82c420cb8a68215089cda94a801ba09"` [INFO] running `"docker" "rm" "-f" "457277d0f0590bf7fc6f6e346032fa26d82c420cb8a68215089cda94a801ba09"` [INFO] [stdout] 457277d0f0590bf7fc6f6e346032fa26d82c420cb8a68215089cda94a801ba09 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/suppositions/0.1.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"` [INFO] [stdout] db78515873f2ea2ae96f1222927d4ce842a9f3670bd247e7ebf9e7281ee24cb9 [INFO] running `"docker" "start" "-a" "db78515873f2ea2ae96f1222927d4ce842a9f3670bd247e7ebf9e7281ee24cb9"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/suppositions-0ff35e4ba47250fe [INFO] [stdout] [INFO] [stdout] running 61 tests [INFO] [stdout] test data::tests::minimiser_should_minimise_scalar_values_to_empty ... ok [INFO] [stdout] test data::tests::minimiser_should_minimise_scalar_values_accounting_for_overflow ... ok [INFO] [stdout] test data::tests::should_allow_borrowing_buffer ... ok [INFO] [stdout] test data::tests::minimiser_should_minimise_to_minimum_given_size ... ok [INFO] [stdout] test data::tests::replay_can_act_as_iterator ... ok [INFO] [stdout] test data::tests::minimiser_should_minimise_to_empty ... ok [INFO] [stdout] test data::tests::should_allow_restarting_read ... ok [INFO] [stdout] test generators::tests::biased_coin ... ok [INFO] [stdout] test generators::tests::bools_should_generate_false_booleans_from_zeros ... ok [INFO] [stdout] test generators::tests::bools_minimize_to_false ... ok [INFO] [stdout] test generators::tests::bools_should_generate_true_booleans_from_saturated_values ... ok [INFO] [stdout] test data::tests::should_take_each_item_in_pool ... ok [INFO] [stdout] test data::tests::minimiser_should_minimise_scalar_values_by_search ... ok [INFO] [stdout] test data::tests::should_generate_random_data ... ok [INFO] [stdout] test data::tests::tap_can_act_as_iterator ... ok [INFO] [stdout] test data::tests::minimiser_should_minimise_scalar_values ... ok [INFO] [stdout] test generators::tests::bools_should_generate_same_output_given_same_input ... ok [INFO] [stdout] test generators::tests::collections_u64s_minimize_to_empty ... ok [INFO] [stdout] test generators::tests::consts_should_generate_same_values ... ok [INFO] [stdout] test generators::tests::filter_map_should_pass_through_when_ok ... ok [INFO] [stdout] test generators::tests::filter_map_should_skip_when_err ... ok [INFO] [stdout] test generators::tests::filter_should_pass_through_when_true ... ok [INFO] [stdout] test generators::tests::filter_should_skip_when_false ... ok [INFO] [stdout] test generators::tests::i64s_minimize_to_zero ... ok [INFO] [stdout] test generators::tests::bools_usually_generates_different_output_for_different_inputs ... ok [INFO] [stdout] test generators::tests::collection_lengths::mean_length_can_be_set_as_7 ... ok [INFO] [stdout] test generators::tests::bools_should_partially_order_same_as_source ... ok [INFO] [stdout] test generators::tests::i64s_should_generate_same_output_given_same_input ... ok [INFO] [stdout] test generators::tests::info_pools_minimize_to_empty ... ok [INFO] [stdout] test generators::tests::collection_lengths::mean_length_can_be_set_as_5 ... ok [INFO] [stdout] test generators::tests::info_pools_should_generate_same_output_given_same_input ... ok [INFO] [stdout] test generators::tests::optional_u64s_minimize_to_none ... ok [INFO] [stdout] test generators::tests::result_u8_u64s_minimize_to_ok ... ok [INFO] [stdout] test generators::tests::collection_lengths::mean_length_can_be_set_as_10 ... ok [INFO] [stdout] test generators::tests::tuple_u8s_u8s_minimize_to_zero ... ok [INFO] [stdout] test generators::tests::i64s_should_partially_order_same_as_source ... ok [INFO] [stdout] test generators::tests::i64s_usually_generates_different_output_for_different_inputs ... ok [INFO] [stdout] test generators::tests::collection_lengths::mean_length_can_be_set_as_3 ... ok [INFO] [stdout] test generators::tests::u64s_minimize_to_zero ... ok [INFO] [stdout] test generators::tests::tuple_u8s_u8s_should_generate_same_output_given_same_input ... ok [INFO] [stdout] test generators::tests::tuple_u8s_u8s_usually_generates_different_output_for_different_inputs ... ok [INFO] [stdout] test generators::tests::info_pools_usually_generates_different_output_for_different_inputs ... ok [INFO] [stdout] test generators::tests::u8s_minimize_to_zero ... ok [INFO] [stdout] test generators::tests::collection_lengths::mean_length_can_be_set_as_23 ... ok [INFO] [stdout] test generators::tests::one_of_should_pick_choices_relativey_evenly ... ok [INFO] [stdout] test generators::tests::vec_bools_can_minimise_with_predicate ... ok [INFO] [stdout] test generators::tests::vec_bools_minimize_to_empty ... ok [INFO] [stdout] test generators::tests::u8s_should_generate_same_output_given_same_input ... ok [INFO] [stdout] test generators::tests::u64s_should_generate_same_output_given_same_input ... ok [INFO] [stdout] test generators::tests::vecs_should_generate_same_output_given_same_input ... ok [INFO] [stdout] test generators::tests::u8s_should_partially_order_same_as_source ... ok [INFO] [stdout] test generators::tests::u8s_usually_generates_different_output_for_different_inputs ... ok [INFO] [stdout] test generators::tests::tuple_u8s_u8s_should_partially_order_same_as_source ... ok [INFO] [stdout] test generators::tests::u64s_usually_generates_different_output_for_different_inputs ... ok [INFO] [stdout] test generators::tests::u64s_should_partially_order_same_as_source ... ok [INFO] [stdout] test generators::tests::vecs_usually_generates_different_output_for_different_inputs ... ok [INFO] [stdout] test generators::tests::vector_lengths::mean_length_can_be_set_as_3 ... ok [INFO] [stdout] test generators::tests::vector_lengths::mean_length_can_be_set_as_10 ... ok [INFO] [stdout] test generators::tests::vector_lengths::mean_length_can_be_set_as_5 ... ok [INFO] [stdout] test generators::tests::vector_lengths::mean_length_can_be_set_as_7 ... ok [INFO] [stdout] test generators::tests::vector_lengths::mean_length_can_be_set_as_23 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 61 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/generators-19efab1b209b8613 [INFO] [stdout] [INFO] [stdout] running 16 tests [INFO] [stdout] test generator_of_3_tuple ... ok [INFO] [stdout] test generator_of_2_tuple ... ok [INFO] [stdout] test generator_map_should_trivially_preserve_invariants ... ok [INFO] [stdout] test boxed_generator_yields_same_as_inner_value ... ok [INFO] [stdout] test f64s_should_generate_same_output_given_same_input ... ok [INFO] [stdout] test f64s_should_partially_order_same_as_source ... ok [INFO] [stdout] test i64s_should_generate_same_output_given_same_input ... ok [INFO] [stdout] test one_of_should_pick_a_single_sample ... ok [INFO] [stdout] test one_of_should_partially_order_same_as_source ... ok [INFO] [stdout] test uniform_f64s_should_generate_same_output_given_same_input ... ok [INFO] [stdout] test i64s_should_partially_order_same_as_source ... ok [INFO] [stdout] test lazy_generator_yields_same_as_inner_value ... ok [INFO] [stdout] test weighted_coin_should_partially_order_same_as_source ... ok [INFO] [stdout] test uniform_f64s_should_generate_values_between_0_and_1 ... ok [INFO] [stdout] test weighted_coin_should_generate_same_output_given_same_input ... ok [INFO] [stdout] test uniform_f64s_should_partially_order_same_as_source ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/recursive-8c89fee47add9ec4 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test add_adds ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/smoketest-a2f1c3158cc4c0e0 [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test some_approximation_of_usage ... ok [INFO] [stdout] test trivial_pass ... ok [INFO] [stdout] test trivial_result_pass ... ok [INFO] [stdout] test panic_includes_failure_message ... ok [INFO] [stdout] test mersenne_conjecture ... ok [INFO] [stdout] test trivial_result_failure ... ok [INFO] [stdout] test trivial_failure ... ok [INFO] [stdout] test trivial_result_includes_failing_result ... ok [INFO] [stdout] test some_approximation_of_failing_example ... ok [INFO] [stdout] test value_dependent ... ok [INFO] [stdout] test trivial_panic_failure ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests suppositions [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 25) ... ok [INFO] [stdout] test src/generators.rs - generators::one_of (line 618) ... ok [INFO] [stdout] test src/generators.rs - generators::collections (line 246) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "db78515873f2ea2ae96f1222927d4ce842a9f3670bd247e7ebf9e7281ee24cb9"` [INFO] running `"docker" "rm" "-f" "db78515873f2ea2ae96f1222927d4ce842a9f3670bd247e7ebf9e7281ee24cb9"` [INFO] [stdout] db78515873f2ea2ae96f1222927d4ce842a9f3670bd247e7ebf9e7281ee24cb9