[INFO] fetching crate ternary-tree 0.0.6... [INFO] extracting crate ternary-tree 0.0.6 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/ternary-tree/0.0.6 [INFO] extracting crate ternary-tree 0.0.6 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/ternary-tree/0.0.6 [INFO] validating manifest of ternary-tree-0.0.6 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ternary-tree-0.0.6 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/ternary-tree/0.0.6/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ternary-tree-0.0.6 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] 1e3cc117881547d965a3e04d15724a7bf50d258132b634936b63077816337f88 [INFO] running `"docker" "start" "-a" "1e3cc117881547d965a3e04d15724a7bf50d258132b634936b63077816337f88"` [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 0.74s [INFO] running `"docker" "inspect" "1e3cc117881547d965a3e04d15724a7bf50d258132b634936b63077816337f88"` [INFO] running `"docker" "rm" "-f" "1e3cc117881547d965a3e04d15724a7bf50d258132b634936b63077816337f88"` [INFO] [stdout] 1e3cc117881547d965a3e04d15724a7bf50d258132b634936b63077816337f88 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 9ac821d98edbb70253e9790ff7af3bd10c1b16b9f4467fe98e32f0980016cfdb [INFO] running `"docker" "start" "-a" "9ac821d98edbb70253e9790ff7af3bd10c1b16b9f4467fe98e32f0980016cfdb"` [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 4.17s [INFO] running `"docker" "inspect" "9ac821d98edbb70253e9790ff7af3bd10c1b16b9f4467fe98e32f0980016cfdb"` [INFO] running `"docker" "rm" "-f" "9ac821d98edbb70253e9790ff7af3bd10c1b16b9f4467fe98e32f0980016cfdb"` [INFO] [stdout] 9ac821d98edbb70253e9790ff7af3bd10c1b16b9f4467fe98e32f0980016cfdb [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] 0a6fc02ea1ee709d25206ab4ac05aa58e3164c37508990a456da43bc120064e2 [INFO] running `"docker" "start" "-a" "0a6fc02ea1ee709d25206ab4ac05aa58e3164c37508990a456da43bc120064e2"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/ternary_tree-e4255a11ae2bd441 [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-ea1e85afe130f448 [INFO] [stdout] [INFO] [stdout] running 34 tests [INFO] [stdout] test tst_get_some_value_by_key ... ok [INFO] [stdout] test tst_current_keyterators ... ok [INFO] [stdout] test tst_create_empty_map ... ok [INFO] [stdout] test tst_insert_and_remove_some_key_value ... ok [INFO] [stdout] test tst_get_value_back_on_empty_key ... ok [INFO] [stdout] test tst_insert_some_key_value ... ok [INFO] [stdout] test tst_insert_and_get_more_key_value ... ok [INFO] [stdout] test tst_insert_and_remove_more_key_value ... ok [INFO] [stdout] test tst_create_with_macro ... ok [INFO] [stdout] test tst_clear_some_map ... 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_with_complete ... ok [INFO] [stdout] test tst_iterate_over_values_with_peek_and_co ... ok [INFO] [stdout] test tst_iterate_with_crossword_backward ... 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_iterate_over_values_backward ... ok [INFO] [stdout] test tst_iterate_and_read_current_key ... ok [INFO] [stderr] Doc-tests ternary-tree [INFO] [stdout] test tst_iterate_with_crossword ... ok [INFO] [stdout] test tst_iterate_with_crossword_from_both_end ... ok [INFO] [stdout] test tst_replace_some_value ... ok [INFO] [stdout] test tst_stats_on_insert_and_remove ... ok [INFO] [stdout] test tst_iterate_with_neighbor ... ok [INFO] [stdout] test tst_iterate_with_neighbor_backward ... ok [INFO] [stdout] test tst_pretty_print ... ok [INFO] [stdout] test tst_iterate_with_neighbor_from_both_end ... ok [INFO] [stdout] test tst_visit_values ... ok [INFO] [stdout] test tst_visit_neighbor_values ... ok [INFO] [stdout] test tst_iterate_over_values_backward_with_rev ... 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] [INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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::get_mut (line 950) ... ok [INFO] [stdout] test src/lib.rs - Tst::get (line 927) ... 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::iter (line 1331) ... ok [INFO] [stdout] test src/lib.rs - Tst::iter_complete (line 1365) ... ok [INFO] [stdout] test src/lib.rs - Tst::new (line 853) ... ok [INFO] [stdout] test src/lib.rs - Tst::new (line 859) ... ok [INFO] [stdout] test src/lib.rs - Tst::len (line 1016) ... ok [INFO] [stdout] test src/lib.rs - (line 54) ... FAILED [INFO] [stdout] test src/lib.rs - Tst::iter_crossword (line 1438) ... ok [INFO] [stdout] test src/lib.rs - Tst::iter_neighbor (line 1402) ... ok [INFO] [stdout] test src/lib.rs - Tst::stat (line 1034) ... ok [INFO] [stdout] test src/lib.rs - Tst::remove (line 978) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_complete_values (line 1118) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_complete_values (line 1131) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_crossword_values (line 1246) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_crossword_values (line 1258) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_neighbor_values (line 1189) ... ok [INFO] [stdout] test src/lib.rs - tst (line 1465) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_neighbor_values (line 1203) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_values (line 1085) ... 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: 0x5598231d0b6b - backtrace::backtrace::libunwind::trace::h98ebe34dc63b52e3 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5598231d0b6b - backtrace::backtrace::trace_unsynchronized::hd041341a38fdc1ca [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5598231d0b6b - std::sys_common::backtrace::_print::hc8c584aa09df5c15 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5598231d0b6b - std::sys_common::backtrace::print::h4828f56ae571c1ad [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5598231d0b6b - std::panicking::default_hook::{{closure}}::h69fce690c9f4b3d3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x5598231d086c - std::panicking::default_hook::h231e0e11400caad4 [INFO] [stdout] at src/libstd/panicking.rs:212 [INFO] [stdout] 6: 0x5598231d1230 - std::panicking::rust_panic_with_hook::h8c0d039880f491f2 [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x5598231d0db2 - std::panicking::continue_panic_fmt::hd71af4da4e8103ab [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x5598231d0c96 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x5598231e5a4d - core::panicking::panic_fmt::h5b6e1f42b8cc12be [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5598231c2784 - core::result::unwrap_failed::h0ab8c4f8971c64c2 [INFO] [stdout] 11: 0x5598231c2cd0 - core::result::Result::unwrap::h3907e96734bde76f [INFO] [stdout] 12: 0x5598231c6300 - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 13: 0x5598231c7743 - std::rt::lang_start::{{closure}}::hcec4a46cabb01368 [INFO] [stdout] 14: 0x5598231d0c83 - std::rt::lang_start_internal::{{closure}}::ha7c0c29bf9d4b1ec [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 15: 0x5598231d0c83 - std::panicking::try::do_call::h6e54176261da06d4 [INFO] [stdout] at src/libstd/panicking.rs:294 [INFO] [stdout] 16: 0x5598231d2c9a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 17: 0x5598231d173d - std::panicking::try::h108b9053abb3bfc3 [INFO] [stdout] at src/libstd/panicking.rs:273 [INFO] [stdout] 18: 0x5598231d173d - std::panic::catch_unwind::h26d0733c47c2fe78 [INFO] [stdout] at src/libstd/panic.rs:388 [INFO] [stdout] 19: 0x5598231d173d - std::rt::lang_start_internal::hfa103a00f84c98f5 [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 20: 0x5598231c7725 - std::rt::lang_start::hbb4741df050865e3 [INFO] [stdout] 21: 0x5598231c6e1b - main [INFO] [stdout] 22: 0x7f0fbdddc2e1 - __libc_start_main [INFO] [stdout] 23: 0x5598231bc49a - _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" "0a6fc02ea1ee709d25206ab4ac05aa58e3164c37508990a456da43bc120064e2"` [INFO] running `"docker" "rm" "-f" "0a6fc02ea1ee709d25206ab4ac05aa58e3164c37508990a456da43bc120064e2"` [INFO] [stdout] 0a6fc02ea1ee709d25206ab4ac05aa58e3164c37508990a456da43bc120064e2