[INFO] fetching crate ternary-tree 0.1.1... [INFO] testing ternary-tree-0.1.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate ternary-tree 0.1.1 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate ternary-tree 0.1.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ternary-tree 0.1.1 [INFO] finished tweaking crates.io crate ternary-tree 0.1.1 [INFO] tweaked toml for crates.io crate ternary-tree 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 261b6cdd1d0c0068733c13207547bed5796c11942ef520ad687410337f7ff0b0 [INFO] running `Command { std: "docker" "start" "-a" "261b6cdd1d0c0068733c13207547bed5796c11942ef520ad687410337f7ff0b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "261b6cdd1d0c0068733c13207547bed5796c11942ef520ad687410337f7ff0b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "261b6cdd1d0c0068733c13207547bed5796c11942ef520ad687410337f7ff0b0", kill_on_drop: false }` [INFO] [stdout] 261b6cdd1d0c0068733c13207547bed5796c11942ef520ad687410337f7ff0b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b9e3be31f5023e9d1f72065d2ae9e0a6644c08a8dd04ee6fb1096f3a7dac092 [INFO] running `Command { std: "docker" "start" "-a" "3b9e3be31f5023e9d1f72065d2ae9e0a6644c08a8dd04ee6fb1096f3a7dac092", kill_on_drop: false }` [INFO] [stderr] Compiling ternary-tree v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "3b9e3be31f5023e9d1f72065d2ae9e0a6644c08a8dd04ee6fb1096f3a7dac092", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b9e3be31f5023e9d1f72065d2ae9e0a6644c08a8dd04ee6fb1096f3a7dac092", kill_on_drop: false }` [INFO] [stdout] 3b9e3be31f5023e9d1f72065d2ae9e0a6644c08a8dd04ee6fb1096f3a7dac092 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] efe3dd3cadf50c95e92eca296599e2cf76ee0285ee9da523e088f913058f0be5 [INFO] running `Command { std: "docker" "start" "-a" "efe3dd3cadf50c95e92eca296599e2cf76ee0285ee9da523e088f913058f0be5", kill_on_drop: false }` [INFO] [stderr] Compiling ternary-tree v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.87s [INFO] running `Command { std: "docker" "inspect" "efe3dd3cadf50c95e92eca296599e2cf76ee0285ee9da523e088f913058f0be5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efe3dd3cadf50c95e92eca296599e2cf76ee0285ee9da523e088f913058f0be5", kill_on_drop: false }` [INFO] [stdout] efe3dd3cadf50c95e92eca296599e2cf76ee0285ee9da523e088f913058f0be5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 483fa0558a63ef6e67c2b13e786b254343908ad8706f095e3068a74efe69d330 [INFO] running `Command { std: "docker" "start" "-a" "483fa0558a63ef6e67c2b13e786b254343908ad8706f095e3068a74efe69d330", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ternary_tree-a7587819104b1e7c) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-e937cc674a623ff9) [INFO] [stdout] [INFO] [stdout] running 35 tests [INFO] [stdout] test tst_create_empty_map ... ok [INFO] [stdout] test tst_insert_some_key_value ... 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_with_complete ... ok [INFO] [stdout] test tst_iterate_with_crossword_from_both_end ... ok [INFO] [stdout] test tst_iterate_with_crossword ... ok [INFO] [stdout] test tst_clear_some_map ... ok [INFO] [stdout] test tst_insert_and_remove_some_key_value ... ok [INFO] [stdout] test tst_iterate_with_crossword_backward ... ok [INFO] [stdout] test tst_insert_and_get_more_key_value ... ok [INFO] [stdout] test tst_iterate_with_neighbor ... ok [INFO] [stdout] test tst_stats_on_insert_and_remove ... ok [INFO] [stdout] test tst_get_some_value_by_key ... ok [INFO] [stdout] test tst_get_value_back_on_empty_key ... ok [INFO] [stdout] test tst_create_with_macro ... ok [INFO] [stdout] test tst_iterate_with_neighbor_backward ... ok [INFO] [stdout] test tst_current_key_iterators ... ok [INFO] [stdout] test tst_iterate_over_values ... ok [INFO] [stdout] test tst_iterate_and_read_current_key ... ok [INFO] [stderr] Doc-tests ternary-tree [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_insert_and_remove_more_key_value ... 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_fix_unicode_chars_in_key_bug ... ok [INFO] [stdout] test tst_replace_some_value ... ok [INFO] [stdout] test tst_update_some_values ... ok [INFO] [stdout] test tst_pretty_print ... ok [INFO] [stdout] test tst_iterate_with_neighbor_from_both_end ... ok [INFO] [stdout] test tst_iterate_over_values_with_peek_and_co ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test src/lib.rs - Tst::visit_complete_values (line 1134) ... ok [INFO] [stdout] test src/lib.rs - Tst::new (line 856) ... ok [INFO] [stdout] test src/lib.rs - Tst::new (line 862) ... ok [INFO] [stdout] test src/lib.rs - Tst::insert (line 878) ... ok [INFO] [stdout] test src/lib.rs - tst (line 1470) ... ok [INFO] [stdout] test src/lib.rs - Tst::iter (line 1336) ... ok [INFO] [stdout] test src/lib.rs - Tst::remove (line 981) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_neighbor_values (line 1192) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_neighbor_values (line 1206) ... ok [INFO] [stdout] test src/lib.rs - Tst::stat (line 1037) ... ok [INFO] [stdout] test src/lib.rs - Tst::iter_complete (line 1370) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_crossword_values (line 1263) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_crossword_values (line 1251) ... ok [INFO] [stdout] test src/lib.rs - Tst::len (line 1019) ... ok [INFO] [stdout] test src/lib.rs - Tst::get_mut (line 953) ... ok [INFO] [stdout] test src/lib.rs - Tst::get (line 930) ... ok [INFO] [stdout] test src/lib.rs - (line 57) ... FAILED [INFO] [stdout] test src/lib.rs - Tst::iter_neighbor (line 1407) ... ok [INFO] [stdout] test src/lib.rs - Tst::insert (line 891) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_values (line 1088) ... ok [INFO] [stdout] test src/lib.rs - Tst::visit_complete_values (line 1121) ... ok [INFO] [stdout] test src/lib.rs - Tst::iter_crossword (line 1443) ... ok [INFO] [stdout] test src/lib.rs - Tst::clear (line 1066) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 57) 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/lib.rs:26:40 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x564af2507060 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x564af2507060 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x564af2507060 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x564af2507060 - ::fmt::h767e17e1aa7df6a8 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x564af2520b6c - core::fmt::write::h7aa6cd0067dca82a [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/fmt/mod.rs:1110:17 [INFO] [stdout] 5: 0x564af2505915 - std::io::Write::write_fmt::h4c802b6f761026c1 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/io/mod.rs:1584:15 [INFO] [stdout] 6: 0x564af2508c8b - std::sys_common::backtrace::_print::h2769edb26a7eb606 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x564af2508c8b - std::sys_common::backtrace::print::ha71f3549862b4cb6 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x564af2508c8b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x564af2508761 - std::panicking::default_hook::h290aa602c0fb11df [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x564af2509331 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x564af2508e37 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x564af250753c - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x564af2508d99 - rust_begin_unwind [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x564af24ebe31 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x564af24ebec3 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:1355:5 [INFO] [stdout] 16: 0x564af24f4f5a - core::result::Result::unwrap::h5a68ec6108fd2892 [INFO] [stdout] 17: 0x564af24f8c6b - rust_out::main::_doctest_main_src_lib_rs_57_0::h356ba96dd8d6ba14 [INFO] [stdout] 18: 0x564af24f8b36 - rust_out::main::h2a38bb51b9580a7d [INFO] [stdout] 19: 0x564af24f1e43 - core::ops::function::FnOnce::call_once::h2b2994027e3ddb49 [INFO] [stdout] 20: 0x564af24f02b9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0646a71575223ddb [INFO] [stdout] 21: 0x564af24f0ed9 - std::rt::lang_start::{{closure}}::h56dae38fc2742666 [INFO] [stdout] 22: 0x564af2509829 - core::ops::function::impls:: for &F>::call_once::h04259e4a34d07c2f [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 23: 0x564af2509829 - std::panicking::try::do_call::hb8da45704d5cfbbf [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 24: 0x564af2509829 - std::panicking::try::h4beadc19a78fec52 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 25: 0x564af2509829 - std::panic::catch_unwind::hc58016cd36ba81a4 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:433:14 [INFO] [stdout] 26: 0x564af2509829 - std::rt::lang_start_internal::hc51399759a90501a [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:34:21 [INFO] [stdout] 27: 0x564af24f0ec1 - std::rt::lang_start::h186ee2dda057dd14 [INFO] [stdout] 28: 0x564af24f9253 - main [INFO] [stdout] 29: 0x7f5e4d2ed0b3 - __libc_start_main [INFO] [stdout] 30: 0x564af24ec58e - _start [INFO] [stdout] 31: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 57) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 22 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.74s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "483fa0558a63ef6e67c2b13e786b254343908ad8706f095e3068a74efe69d330", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "483fa0558a63ef6e67c2b13e786b254343908ad8706f095e3068a74efe69d330", kill_on_drop: false }` [INFO] [stdout] 483fa0558a63ef6e67c2b13e786b254343908ad8706f095e3068a74efe69d330