[INFO] fetching crate ternary-tree 0.1.1...
[INFO] testing ternary-tree-0.1.1 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate ternary-tree 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ternary-tree 0.1.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db332e19a112e4bead4b7a800c7e434c285ac86941a68053e1aa7e2589cef465
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "db332e19a112e4bead4b7a800c7e434c285ac86941a68053e1aa7e2589cef465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db332e19a112e4bead4b7a800c7e434c285ac86941a68053e1aa7e2589cef465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db332e19a112e4bead4b7a800c7e434c285ac86941a68053e1aa7e2589cef465", kill_on_drop: false }`
[INFO] [stdout] db332e19a112e4bead4b7a800c7e434c285ac86941a68053e1aa7e2589cef465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32c9ef80e2da763ef56bcbb3cc2ec6a46b977bc1e4ceb779e02338ece661cc58
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "32c9ef80e2da763ef56bcbb3cc2ec6a46b977bc1e4ceb779e02338ece661cc58", kill_on_drop: false }`
[INFO] [stderr]    Compiling ternary-tree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "32c9ef80e2da763ef56bcbb3cc2ec6a46b977bc1e4ceb779e02338ece661cc58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32c9ef80e2da763ef56bcbb3cc2ec6a46b977bc1e4ceb779e02338ece661cc58", kill_on_drop: false }`
[INFO] [stdout] 32c9ef80e2da763ef56bcbb3cc2ec6a46b977bc1e4ceb779e02338ece661cc58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93c72c4c0cc28c0189aed6957e97d3078d60b099b00e85febc367a4205e0c868
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "93c72c4c0cc28c0189aed6957e97d3078d60b099b00e85febc367a4205e0c868", kill_on_drop: false }`
[INFO] [stderr]    Compiling ternary-tree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "93c72c4c0cc28c0189aed6957e97d3078d60b099b00e85febc367a4205e0c868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c72c4c0cc28c0189aed6957e97d3078d60b099b00e85febc367a4205e0c868", kill_on_drop: false }`
[INFO] [stdout] 93c72c4c0cc28c0189aed6957e97d3078d60b099b00e85febc367a4205e0c868
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4608f5a9fb47097e65763cdaca179dc4f4d0d5a6a69cb539d7f62b6c4df2127
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f4608f5a9fb47097e65763cdaca179dc4f4d0d5a6a69cb539d7f62b6c4df2127", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ternary_tree-c572089a91634058
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-7aba13ecd9970114
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test tst_create_empty_map ... ok
[INFO] [stdout] test tst_clear_some_map ... ok
[INFO] [stdout] test tst_current_key_iterators ... 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_insert_and_remove_some_key_value ... ok
[INFO] [stdout] test tst_insert_and_remove_more_key_value ... ok
[INFO] [stdout] test tst_insert_some_key_value ... ok
[INFO] [stdout] test tst_fix_unicode_chars_in_key_bug ... ok
[INFO] [stdout] test tst_iterate_and_read_current_key_back ... ok
[INFO] [stdout] test tst_insert_and_get_more_key_value ... ok
[INFO] [stdout] test tst_iterate_over_values_backward_with_rev ... ok
[INFO] [stdout] test tst_iterate_over_values ... ok
[INFO] [stdout] test tst_iterate_over_values_backward ... ok
[INFO] [stdout] test tst_iterate_over_values_from_both_end ... ok
[INFO] [stdout] test tst_iterate_over_empty_tree ... ok
[INFO] [stdout] test tst_iterate_and_read_current_key ... ok
[INFO] [stdout] test tst_iterate_over_values_with_for_loop ... ok
[INFO] [stdout] test tst_iterate_with_crossword_from_both_end ... 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_neighbor ... ok
[INFO] [stdout] test tst_iterate_with_neighbor_backward ... ok
[INFO] [stdout] test tst_iterate_with_crossword ... ok
[INFO] [stdout] test tst_update_some_values ... ok
[INFO] [stdout] test tst_replace_some_value ... ok
[INFO] [stdout] test tst_pretty_print ... ok
[INFO] [stdout] test tst_iterate_with_crossword_backward ... 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_iterate_with_neighbor_from_both_end ... ok
[INFO] [stdout] test tst_stats_on_insert_and_remove ... ok
[INFO] [stdout] test tst_visit_complete_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 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<T>::len (line 1019) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::new (line 856) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::get_mut (line 953) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::iter (line 1336) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::stat (line 1037) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::insert (line 878) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::get (line 930) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::iter_complete (line 1370) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::new (line 862) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::clear (line 1066) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::iter_neighbor (line 1407) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::remove (line 981) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::insert (line 891) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::visit_complete_values (line 1134) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::iter_crossword (line 1443) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::visit_complete_values (line 1121) ... ok
[INFO] [stdout] test src/lib.rs - (line 57) ... FAILED
[INFO] [stdout] test src/lib.rs - tst (line 1470) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::visit_crossword_values (line 1263) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::visit_values (line 1088) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::visit_crossword_values (line 1251) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::visit_neighbor_values (line 1192) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::visit_neighbor_values (line 1206) ... 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:     0x557f5c523cc0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x557f5c523cc0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x557f5c523cc0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x557f5c523cc0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x557f5c53c84c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x557f5c522392 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x557f5c525ded - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    7:     0x557f5c525ded - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    8:     0x557f5c525ded - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]    9:     0x557f5c525a98 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stdout]   10:     0x557f5c526471 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   11:     0x557f5c526019 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   12:     0x557f5c52414c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   13:     0x557f5c525fd9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   14:     0x557f5c53bb61 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stdout]   15:     0x557f5c53b983 - core::option::expect_none_failed::hd08bf36cae411fff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:1234
[INFO] [stdout]   16:     0x557f5c50d35b - core::result::Result<T,E>::unwrap::hc30f19f5bd7f3505
[INFO] [stdout]   17:     0x557f5c511da9 - rust_out::main::h405f65324f7b53be
[INFO] [stdout]   18:     0x557f5c509c23 - core::ops::function::FnOnce::call_once::h5c25fabf55f68cb0
[INFO] [stdout]   19:     0x557f5c507c49 - std::sys_common::backtrace::__rust_begin_short_backtrace::he48b78818c6bb8fc
[INFO] [stdout]   20:     0x557f5c508879 - std::rt::lang_start::{{closure}}::h2090de6a9fc357b8
[INFO] [stdout]   21:     0x557f5c526897 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h908982dfc31b926f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:259
[INFO] [stdout]   22:     0x557f5c526897 - std::panicking::try::do_call::h92777899503b7584
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   23:     0x557f5c526897 - std::panicking::try::h8815656b2b76e792
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   24:     0x557f5c526897 - std::panic::catch_unwind::h112ab81228f50b46
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   25:     0x557f5c526897 - std::rt::lang_start_internal::h1772a706c7575c24
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:51
[INFO] [stdout]   26:     0x557f5c508858 - std::rt::lang_start::h5654c047948033d3
[INFO] [stdout]   27:     0x557f5c5128ab - main
[INFO] [stdout]   28:     0x7fd7031520b3 - __libc_start_main
[INFO] [stdout]   29:     0x557f5c5040ae - _start
[INFO] [stdout]   30:                0x0 - <unknown>
[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
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "f4608f5a9fb47097e65763cdaca179dc4f4d0d5a6a69cb539d7f62b6c4df2127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4608f5a9fb47097e65763cdaca179dc4f4d0d5a6a69cb539d7f62b6c4df2127", kill_on_drop: false }`
[INFO] [stdout] f4608f5a9fb47097e65763cdaca179dc4f4d0d5a6a69cb539d7f62b6c4df2127
