[INFO] crate immutable-seq 0.1.2 is already in cache [INFO] extracting crate immutable-seq 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/immutable-seq/0.1.2 [INFO] extracting crate immutable-seq 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/immutable-seq/0.1.2 [INFO] validating manifest of immutable-seq-0.1.2 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of immutable-seq-0.1.2 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing immutable-seq-0.1.2 [INFO] finished frobbing immutable-seq-0.1.2 [INFO] frobbed toml for immutable-seq-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/immutable-seq/0.1.2/Cargo.toml [INFO] started frobbing immutable-seq-0.1.2 [INFO] finished frobbing immutable-seq-0.1.2 [INFO] frobbed toml for immutable-seq-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/immutable-seq/0.1.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing immutable-seq-0.1.2 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/immutable-seq/0.1.2:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] e734ff53666c5b9f111f2b6e70a64824193c7c07d0c5958ab68dac4b80e9d2ba [INFO] running `"docker" "start" "-a" "e734ff53666c5b9f111f2b6e70a64824193c7c07d0c5958ab68dac4b80e9d2ba"` [INFO] [stderr] Compiling debug_unreachable v0.1.1 [INFO] [stderr] Compiling immutable-seq v0.1.2 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lazy.rs:183:16 [INFO] [stderr] | [INFO] [stderr] 183 | inner: Box> [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Invoke` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lazy.rs:197:23 [INFO] [stderr] | [INFO] [stderr] 197 | }) as Box> [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Invoke` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.21s [INFO] running `"docker" "inspect" "e734ff53666c5b9f111f2b6e70a64824193c7c07d0c5958ab68dac4b80e9d2ba"` [INFO] running `"docker" "rm" "-f" "e734ff53666c5b9f111f2b6e70a64824193c7c07d0c5958ab68dac4b80e9d2ba"` [INFO] [stdout] e734ff53666c5b9f111f2b6e70a64824193c7c07d0c5958ab68dac4b80e9d2ba [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/immutable-seq/0.1.2:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 2660767d1172894930064db2dc6a1345e92c6870f0fea4b36c81403d140ad103 [INFO] running `"docker" "start" "-a" "2660767d1172894930064db2dc6a1345e92c6870f0fea4b36c81403d140ad103"` [INFO] [stderr] Compiling immutable-seq v0.1.2 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lazy.rs:183:16 [INFO] [stderr] | [INFO] [stderr] 183 | inner: Box> [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Invoke` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lazy.rs:197:23 [INFO] [stderr] | [INFO] [stderr] 197 | }) as Box> [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Invoke` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/seq_quickcheck.rs:150:29 [INFO] [stderr] | [INFO] [stderr] 150 | fn shrink(&self) -> Box>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/seq_quickcheck.rs:320:26 [INFO] [stderr] | [INFO] [stderr] 320 | action_shrinker: Box>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/seq_quickcheck.rs:368:29 [INFO] [stderr] | [INFO] [stderr] 368 | fn shrink(&self) -> Box>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.86s [INFO] running `"docker" "inspect" "2660767d1172894930064db2dc6a1345e92c6870f0fea4b36c81403d140ad103"` [INFO] running `"docker" "rm" "-f" "2660767d1172894930064db2dc6a1345e92c6870f0fea4b36c81403d140ad103"` [INFO] [stdout] 2660767d1172894930064db2dc6a1345e92c6870f0fea4b36c81403d140ad103 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/immutable-seq/0.1.2:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] c18db97b57eece68fb728c897e781421c2f3d3285ede58f92ec0a08261fe1d33 [INFO] running `"docker" "start" "-a" "c18db97b57eece68fb728c897e781421c2f3d3285ede58f92ec0a08261fe1d33"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/immutable_seq-697882f2364255be [INFO] [stdout] [INFO] [stderr] thread '' panicked at 'Muahahahah', src/lazy.rs:288:17 [INFO] [stdout] running 13 tests [INFO] [stderr] stack backtrace: [INFO] [stdout] test lazy::test::test_thunk_should_evaluate_just_once ... ok [INFO] [stdout] test lazy::test::test_strict_should_produce_already_evaluated_thunk ... ok [INFO] [stdout] test finger_tree::test::test_iter_single ... ok [INFO] [stdout] test finger_tree::test::test_iter_inner_single ... ok [INFO] [stdout] test lazy::test::test_thunk_should_evaluate_when_accessed ... ok [INFO] [stdout] test finger_tree::test::test_iter_inner_empty ... ok [INFO] [stdout] test lazy::test::test_thunk_should_not_evaluate_if_not_accessed ... ok [INFO] [stdout] test node::test::test_node_iter ... ok [INFO] [stdout] test digit::test::test_digit_iter ... ok [INFO] [stdout] test node::test::test_tree23_measure ... ok [INFO] [stdout] test lazy::test::test_thunk_should_evaluate_through_redirect ... ok [INFO] [stdout] test finger_tree::test::test_iter_empty ... ok [INFO] [stdout] test lazy::test::test_drop_internal_data_just_once ... ok [INFO] [stderr] 0: 0x5637bf82d12b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] 1: 0x5637bf82d12b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5637bf82d12b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5637bf82d12b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5637bf82d12b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5637bf82ce07 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x5637bf82d8a0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x5637bf7c60c4 - std::panicking::begin_panic::h77b8d684e3787cea [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x5637bf7e091b - immutable_seq::lazy::test::test_drop_internal_data_just_once::{{closure}}::{{closure}}::h67ef4569c4e1f398 [INFO] [stderr] at src/lazy.rs:288 [INFO] [stderr] 9: 0x5637bf7c1053 - immutable_seq::lazy::Producer::new::{{closure}}::ha65d67f6e6343fb4 [INFO] [stderr] at src/lazy.rs:196 [INFO] [stderr] 10: 0x5637bf7c1610 - >::invoke::hb3167c275ec83543 [INFO] [stderr] at src/lazy.rs:224 [INFO] [stderr] 11: 0x5637bf7c1178 - immutable_seq::lazy::Producer::invoke::h4ee4489712e6a0d8 [INFO] [stderr] at src/lazy.rs:202 [INFO] [stderr] 12: 0x5637bf7bdf7a - immutable_seq::lazy::Thunk::force::h6fd8f8081450c62f [INFO] [stderr] at src/lazy.rs:108 [INFO] [stderr] 13: 0x5637bf7e0986 - immutable_seq::lazy::test::test_drop_internal_data_just_once::{{closure}}::h7e2af93f285dbbe5 [INFO] [stderr] at src/lazy.rs:290 [INFO] [stderr] 14: 0x5637bf7ddeb3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h1746a83c5b82ce0c [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 15: 0x5637bf7cc20e - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha692c939155e7685 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stderr] 16: 0x5637bf7cb6a1 - as core::ops::function::FnOnce<()>>::call_once::h7f5fa845e2255ccd [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stderr] 17: 0x5637bf7c6305 - std::panicking::try::do_call::h84d5cc7558cdb96a [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stderr] 18: 0x5637bf82feaa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 19: 0x5637bf7c61a1 - std::panicking::try::he9359937d86de316 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stderr] 20: 0x5637bf7cb6f3 - std::panic::catch_unwind::hd9c6cda68b23c372 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x5637bf7cc026 - std::thread::Builder::spawn_unchecked::{{closure}}::hc153c06dc864186b [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stderr] 22: 0x5637bf7c64f3 - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb4c83954d553f8f [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stderr] 23: 0x5637bf822ecf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stderr] 24: 0x5637bf82f570 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stderr] 25: 0x5637bf82f570 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 26: 0x5637bf82f570 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 27: 0x7f942c73f4a4 - start_thread [INFO] [stderr] 28: 0x7f942c26ad0f - __clone [INFO] [stderr] 29: 0x0 - [INFO] [stderr] Running /opt/crater/target/debug/deps/seq-213459fa9551d2cf [INFO] [stdout] [INFO] [stdout] running 30 tests [INFO] [stdout] test test_empty_is_empty ... ok [INFO] [stdout] test test_empty_len ... ok [INFO] [stdout] test test_back_pop_back ... ok [INFO] [stdout] test test_get_nonempty ... ok [INFO] [stdout] test test_get_empty ... ok [INFO] [stdout] test test_front_pop_front ... ok [INFO] [stdout] test test_index ... ok [INFO] [stdout] test test_back_empty ... ok [INFO] [stdout] test test_iter_append ... ok [INFO] [stdout] test test_back_nonempty ... ok [INFO] [stdout] test test_iter_push_back ... ok [INFO] [stdout] test test_iter_empty ... ok [INFO] [stdout] test test_front_empty ... ok [INFO] [stdout] test test_adjust ... ok [INFO] [stdout] test test_insert ... ok [INFO] [stdout] test test_singleton_len ... ok [INFO] [stdout] test test_singleton_not_is_empty ... ok [INFO] [stdout] test test_iter_singleton ... ok [INFO] [stdout] test test_get_out_of_bounds ... ok [INFO] [stdout] test test_front_nonempty ... ok [INFO] [stdout] test test_split_empty ... ok [INFO] [stdout] test test_split_singleton ... ok [INFO] [stdout] test test_iter_push_front ... ok [INFO] [stdout] test test_skip ... ok [INFO] [stdout] test test_split ... ok [INFO] [stdout] test test_remove ... ok [INFO] [stdout] test test_truncate ... ok [INFO] [stdout] test test_vec_macro ... ok [INFO] [stdout] test test_update ... ok [INFO] [stdout] test test_index_out_of_bounds ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/seq_quickcheck-cce9db29486a3160 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test_action_series_drop_slot ... ok [INFO] [stdout] test test_check_temp ... ok [INFO] [stdout] test check_model_u32 ... ok [INFO] [stderr] Doc-tests immutable-seq [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lazy.rs - lazy (line 13) ... ignored [INFO] [stdout] test src/lazy.rs - lazy::Thunk::new (line 72) ... ignored [INFO] [stdout] test src/seq.rs - seq (line 193) ... ok [INFO] [stdout] test src/seq.rs - seq (line 182) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "c18db97b57eece68fb728c897e781421c2f3d3285ede58f92ec0a08261fe1d33"` [INFO] running `"docker" "rm" "-f" "c18db97b57eece68fb728c897e781421c2f3d3285ede58f92ec0a08261fe1d33"` [INFO] [stdout] c18db97b57eece68fb728c897e781421c2f3d3285ede58f92ec0a08261fe1d33