[INFO] crate ternary-tree 0.0.6 is already in cache [INFO] extracting crate ternary-tree 0.0.6 into work/ex/beta-1.37-6/sources/1.36.0/reg/ternary-tree/0.0.6 [INFO] extracting crate ternary-tree 0.0.6 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ternary-tree/0.0.6 [INFO] validating manifest of ternary-tree-0.0.6 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 ternary-tree-0.0.6 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 ternary-tree-0.0.6 [INFO] finished frobbing ternary-tree-0.0.6 [INFO] frobbed toml for ternary-tree-0.0.6 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ternary-tree/0.0.6/Cargo.toml [INFO] started frobbing ternary-tree-0.0.6 [INFO] finished frobbing ternary-tree-0.0.6 [INFO] frobbed toml for ternary-tree-0.0.6 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ternary-tree/0.0.6/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] testing ternary-tree-0.0.6 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/ternary-tree/0.0.6:/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] d48cd2a35cc046eb44f9b13786d7c9e17922dbd99042c029a5837f944657c944 [INFO] running `"docker" "start" "-a" "d48cd2a35cc046eb44f9b13786d7c9e17922dbd99042c029a5837f944657c944"` [INFO] [stderr] Compiling ternary-tree v0.0.6 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:790:80 [INFO] [stderr] | [INFO] [stderr] 790 | fn pretty_print_r<'a, T>(link: &'a Link, ids: &mut Tst, writer: &mut Write) { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [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/lib.rs:1308:45 [INFO] [stderr] | [INFO] [stderr] 1308 | pub fn pretty_print(&self, writer: &mut Write) { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:441:17 [INFO] [stderr] | [INFO] [stderr] 441 | let mut stats = stat_r(stats, &node.middle, matches+1, sides, depth+1); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `"docker" "inspect" "d48cd2a35cc046eb44f9b13786d7c9e17922dbd99042c029a5837f944657c944"` [INFO] running `"docker" "rm" "-f" "d48cd2a35cc046eb44f9b13786d7c9e17922dbd99042c029a5837f944657c944"` [INFO] [stdout] d48cd2a35cc046eb44f9b13786d7c9e17922dbd99042c029a5837f944657c944 [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/ternary-tree/0.0.6:/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] 671fb67fe02c4a06afb1f9628591f576051f3c5d5992433972737a8618412e5a [INFO] running `"docker" "start" "-a" "671fb67fe02c4a06afb1f9628591f576051f3c5d5992433972737a8618412e5a"` [INFO] [stderr] Compiling ternary-tree v0.0.6 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:790:80 [INFO] [stderr] | [INFO] [stderr] 790 | fn pretty_print_r<'a, T>(link: &'a Link, ids: &mut Tst, writer: &mut Write) { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [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/lib.rs:1308:45 [INFO] [stderr] | [INFO] [stderr] 1308 | pub fn pretty_print(&self, writer: &mut Write) { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:441:17 [INFO] [stderr] | [INFO] [stderr] 441 | let mut stats = stat_r(stats, &node.middle, matches+1, sides, depth+1); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/tests.rs:1574:13 [INFO] [stderr] | [INFO] [stderr] 1574 | let mut value = map.get_mut(k); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.69s [INFO] running `"docker" "inspect" "671fb67fe02c4a06afb1f9628591f576051f3c5d5992433972737a8618412e5a"` [INFO] running `"docker" "rm" "-f" "671fb67fe02c4a06afb1f9628591f576051f3c5d5992433972737a8618412e5a"` [INFO] [stdout] 671fb67fe02c4a06afb1f9628591f576051f3c5d5992433972737a8618412e5a [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/ternary-tree/0.0.6:/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] 43d5cb96126bb6ad39048af800c3eea2976525a6fe58f8c59772b20165afbcce [INFO] running `"docker" "start" "-a" "43d5cb96126bb6ad39048af800c3eea2976525a6fe58f8c59772b20165afbcce"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/ternary_tree-d7283c85b6686498 [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 [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/tests-02f7319ba7c96975 [INFO] [stdout] [INFO] [stdout] running 34 tests [INFO] [stdout] test tst_insert_and_remove_more_key_value ... ok [INFO] [stdout] test tst_insert_and_get_more_key_value ... ok [INFO] [stdout] test tst_get_value_back_on_empty_key ... ok [INFO] [stdout] test tst_insert_and_remove_some_key_value ... ok [INFO] [stdout] test tst_get_some_value_by_key ... ok [INFO] [stdout] test tst_insert_some_key_value ... ok [INFO] [stdout] test tst_iterate_and_read_current_key ... ok [INFO] [stdout] test tst_iterate_and_read_current_key_back ... ok [INFO] [stdout] test tst_iterate_over_empty_tree ... ok [INFO] [stdout] test tst_iterate_over_values ... ok [INFO] [stdout] test tst_current_keyterators ... ok [INFO] [stdout] test tst_iterate_over_values_backward ... ok [INFO] [stdout] test tst_iterate_over_values_backward_with_rev ... ok [INFO] [stdout] test tst_iterate_over_values_from_both_end ... ok [INFO] [stdout] test tst_iterate_over_values_with_for_loop ... ok [INFO] [stdout] test tst_iterate_over_values_with_peek_and_co ... ok [INFO] [stdout] test tst_iterate_with_complete ... ok [INFO] [stdout] test tst_iterate_with_crossword ... ok [INFO] [stdout] test tst_iterate_with_crossword_backward ... ok [INFO] [stdout] test tst_iterate_with_crossword_from_both_end ... ok [INFO] [stdout] test tst_iterate_with_neighbor ... ok [INFO] [stdout] test tst_iterate_with_neighbor_backward ... ok [INFO] [stdout] test tst_iterate_with_neighbor_from_both_end ... ok [INFO] [stdout] test tst_pretty_print ... ok [INFO] [stdout] test tst_replace_some_value ... ok [INFO] [stdout] test tst_update_some_values ... ok [INFO] [stdout] test tst_visit_complete_values ... ok [INFO] [stdout] test tst_visit_crossword_values ... ok [INFO] [stdout] test tst_visit_neighbor_values ... ok [INFO] [stdout] test tst_visit_values ... ok [INFO] [stdout] test tst_stats_on_insert_and_remove ... ok [INFO] [stdout] test tst_create_with_macro ... ok [INFO] [stdout] test tst_clear_some_map ... ok [INFO] [stdout] test tst_create_empty_map ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests ternary-tree [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test src/lib.rs - Tst::clear (line 1063) ... ok [INFO] [stdout] test src/lib.rs - Tst::insert (line 875) ... ok [INFO] [stdout] test src/lib.rs - Tst::insert (line 888) ... ok [INFO] [stdout] test src/lib.rs - Tst::get_mut (line 950) ... ok [INFO] [stdout] test src/lib.rs - Tst::get (line 927) ... ok [INFO] [stdout] test src/lib.rs - Tst::iter (line 1331) ... ok [INFO] [stdout] test src/lib.rs - Tst::iter_complete (line 1365) ... ok [INFO] [stdout] test src/lib.rs - (line 54) ... FAILED [INFO] [stdout] test src/lib.rs - Tst::new (line 853) ... ok [INFO] [stdout] test src/lib.rs - Tst::len (line 1016) ... ok [INFO] [stdout] test src/lib.rs - Tst::stat (line 1034) ... ok [INFO] [stdout] test src/lib.rs - Tst::iter_crossword (line 1438) ... ok [INFO] [stdout] test src/lib.rs - Tst::new (line 859) ... ok [INFO] [stdout] test src/lib.rs - Tst::iter_neighbor (line 1402) ... ok [INFO] [stdout] test src/lib.rs - Tst::remove (line 978) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_crossword_values (line 1246) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_complete_values (line 1131) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_complete_values (line 1118) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_crossword_values (line 1258) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_values (line 1085) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_neighbor_values (line 1203) ... ok [INFO] [stdout] test src/lib.rs - tst (line 1465) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_neighbor_values (line 1189) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 54) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c4d88f6f5b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55c4d88f6f5b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55c4d88f6f5b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55c4d88f6f5b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55c4d88f6f5b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55c4d88f6c37 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 6: 0x55c4d88f7620 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55c4d88f71a2 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55c4d88f7086 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x55c4d890bc0d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55c4d88e88b4 - core::result::unwrap_failed::h2efcb8a2dbf695a5 [INFO] [stdout] 11: 0x55c4d88e8e00 - core::result::Result::unwrap::hf30d1568bf5a3153 [INFO] [stdout] 12: 0x55c4d88ecf70 - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 13: 0x55c4d88e7633 - std::rt::lang_start::{{closure}}::hcae6cf720578140e [INFO] [stdout] 14: 0x55c4d88f7073 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 15: 0x55c4d88f7073 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 16: 0x55c4d88f8dea - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x55c4d88f7b2d - std::panicking::try::he0549d0299de204a [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x55c4d88f7b2d - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x55c4d88f7b2d - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 20: 0x55c4d88e7615 - std::rt::lang_start::hf87e2ef1856a065b [INFO] [stdout] 21: 0x55c4d88eda7b - main [INFO] [stdout] 22: 0x7fd311f382e1 - __libc_start_main [INFO] [stdout] 23: 0x55c4d88e249a - _start [INFO] [stdout] 24: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 54) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 22 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "43d5cb96126bb6ad39048af800c3eea2976525a6fe58f8c59772b20165afbcce"` [INFO] running `"docker" "rm" "-f" "43d5cb96126bb6ad39048af800c3eea2976525a6fe58f8c59772b20165afbcce"` [INFO] [stdout] 43d5cb96126bb6ad39048af800c3eea2976525a6fe58f8c59772b20165afbcce