[INFO] fetching crate tui 0.14.0...
[INFO] testing tui-0.14.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tui 0.14.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate tui 0.14.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tui 0.14.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tui 0.14.0
[INFO] tweaked toml for crates.io crate tui 0.14.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate tui 0.14.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argh_shared v0.1.4
[INFO] [stderr]   Downloaded argh_derive v0.1.4
[INFO] [stderr]   Downloaded argh v0.1.4
[INFO] [stderr]   Downloaded termbox-sys v0.2.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9be41b7aaae34f8099f3276a5969441639aee0eec332f4eed4de873584db7e5
[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" "b9be41b7aaae34f8099f3276a5969441639aee0eec332f4eed4de873584db7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9be41b7aaae34f8099f3276a5969441639aee0eec332f4eed4de873584db7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9be41b7aaae34f8099f3276a5969441639aee0eec332f4eed4de873584db7e5", kill_on_drop: false }`
[INFO] [stdout] b9be41b7aaae34f8099f3276a5969441639aee0eec332f4eed4de873584db7e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13a5d89a0c521e6bb0085323a865185e1343d3382fd01582be0fe157c5f82bad
[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" "13a5d89a0c521e6bb0085323a865185e1343d3382fd01582be0fe157c5f82bad", kill_on_drop: false }`
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling tui v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.19s
[INFO] running `Command { std: "docker" "inspect" "13a5d89a0c521e6bb0085323a865185e1343d3382fd01582be0fe157c5f82bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a5d89a0c521e6bb0085323a865185e1343d3382fd01582be0fe157c5f82bad", kill_on_drop: false }`
[INFO] [stdout] 13a5d89a0c521e6bb0085323a865185e1343d3382fd01582be0fe157c5f82bad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 305aa69fe6cbe4fc3e6e7b35e38c32b05b1e063aed1212de695c79cdf8e771d2
[INFO] running `Command { std: "docker" "start" "-a" "305aa69fe6cbe4fc3e6e7b35e38c32b05b1e063aed1212de695c79cdf8e771d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]    Compiling argh v0.1.4
[INFO] [stderr]    Compiling tui v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 52.46s
[INFO] running `Command { std: "docker" "inspect" "305aa69fe6cbe4fc3e6e7b35e38c32b05b1e063aed1212de695c79cdf8e771d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305aa69fe6cbe4fc3e6e7b35e38c32b05b1e063aed1212de695c79cdf8e771d2", kill_on_drop: false }`
[INFO] [stdout] 305aa69fe6cbe4fc3e6e7b35e38c32b05b1e063aed1212de695c79cdf8e771d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dad5e68b2e4f3e376d95851e419827f0fc1902b8277d67ca6085aa2ff8b7f3b9
[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" "dad5e68b2e4f3e376d95851e419827f0fc1902b8277d67ca6085aa2ff8b7f3b9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tui-eeeb76d006830b8b
[INFO] [stdout] running 46 tests
[INFO] [stdout] test buffer::tests::buffer_diffing_multi_width_offset ... ok
[INFO] [stdout] test buffer::tests::buffer_set_string ... ok
[INFO] [stdout] test buffer::tests::buffer_diffing_single_width ... ok
[INFO] [stdout] test buffer::tests::buffer_merge ... ok
[INFO] [stdout] test buffer::tests::buffer_set_string_zero_width ... ok
[INFO] [stdout] test buffer::tests::buffer_with_lines ... ok
[INFO] [stdout] test buffer::tests::buffer_set_string_double_width ... ok
[INFO] [stdout] test buffer::tests::buffer_merge2 ... ok
[INFO] [stdout] test buffer::tests::buffer_merge3 ... ok
[INFO] [stdout] test widgets::block::tests::inner_takes_into_account_the_borders ... ok
[INFO] [stdout] test buffer::tests::buffer_diffing_empty_filled ... ok
[INFO] [stdout] test buffer::tests::buffer_diffing_empty_empty ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_double_width_chars ... ok
[INFO] [stdout] test widgets::block::tests::inner_takes_into_account_the_title ... ok
[INFO] [stdout] test widgets::chart::tests::it_should_hide_the_legend ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_leading_whitespace_removal ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_long_sentence ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_long_word ... ok
[INFO] [stdout] test style::tests::combined_patch_gives_same_result_as_individual_patch ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_char_plus_lots_of_spaces ... ok
[INFO] [stdout] test layout::tests::test_vertical_split_by_height ... ok
[INFO] [stdout] test buffer::tests::buffer_diffing_multi_width ... ok
[INFO] [stdout] test layout::tests::test_rect_size_truncation ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_max_line_width_of_1 ... ok
[INFO] [stdout] test layout::tests::test_rect_size_preservation ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_max_line_width_of_1_double_width_characters ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_word_wrapper_preserve_indentation ... ok
[INFO] [stdout] test buffer::tests::buffer_diffing_filled_filled ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_zero_width ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_word_wrapper_preserve_indentation_with_wrap ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_lots_of_spaces ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_one_line ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_word_wrapper_double_width_chars_mixed_with_spaces ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_word_wrapper_mixed_length ... ok
[INFO] [stdout] test widgets::sparkline::tests::it_does_not_panic_if_max_is_set_to_zero ... ok
[INFO] [stdout] test buffer::tests::it_translates_to_and_from_coordinates ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_word_wrapper_nbsp ... ok
[INFO] [stdout] test widgets::sparkline::tests::it_does_not_panic_if_max_is_zero ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_word_wrapper_preserve_indentation_lots_of_whitespace ... ok
[INFO] [stdout] test buffer::tests::index_of_panics_on_out_of_bounds ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_short_lines ... ok
[INFO] [stdout] test buffer::tests::pos_of_panics_on_out_of_bounds ... ok
[INFO] [stdout] test widgets::gauge::tests::gauge_invalid_ratio_upper_bound ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/backend_termion-cf21badde988f3d3
[INFO] [stdout] test widgets::gauge::tests::gauge_invalid_percentage ... ok
[INFO] [stdout] test widgets::gauge::tests::gauge_invalid_ratio_lower_bound ... ok
[INFO] [stdout] test widgets::table::tests::table_invalid_percentages ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/terminal-1112337ef0f71a59
[INFO] [stdout] test backend_termion_should_only_write_diffs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test terminal_buffer_size_should_be_limited ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widgets_barchart-870f73eef243f915
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test widgets_barchart_not_full_below_max_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widgets_block-36de22309e81e41f
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test widgets_block_renders ... ok
[INFO] [stdout] test widgets_block_renders_on_small_areas ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widgets_chart-b1b24c569c6417fb
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test widgets_chart_can_render_on_small_areas ... ok
[INFO] [stdout] test widgets_chart_handles_overflows ... ok
[INFO] [stdout] test widgets_chart_can_have_a_legend ... ok
[INFO] [stdout] test widgets_chart_can_have_axis_with_zero_length_bounds ... ok
[INFO] [stdout] test widgets_chart_can_have_empty_datasets ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widgets_gauge-6ac2e71cdd31c381
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test widgets_line_gauge_renders ... ok
[INFO] [stdout] test widgets_gauge_renders ... ok
[INFO] [stdout] test widgets_gauge_renders_no_unicode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widgets_list-ed792e427e4d79a7
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widgets_paragraph-0c7817585d478aeb
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widgets_table-38837c756103d529
[INFO] [stdout] test widgets_list_should_highlight_the_selected_item ... ok
[INFO] [stdout] test widgets_list_should_truncate_items ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test widgets_paragraph_can_wrap_with_a_trailing_nbsp ... ok
[INFO] [stdout] test widgets_paragraph_renders_double_width_graphemes ... ok
[INFO] [stdout] test widgets_paragraph_can_scroll_horizontally ... ok
[INFO] [stdout] test widgets_paragraph_renders_mixed_width_graphemes ... ok
[INFO] [stdout] test widgets_paragraph_can_wrap_its_content ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test widgets_table_can_have_elements_styled_individually ... ok
[INFO] [stdout] test widgets_table_should_render_even_if_empty ... ok
[INFO] [stdout] test widgets_table_columns_widths_can_use_mixed_constraints ... ok
[INFO] [stdout] test widgets_table_columns_widths_can_use_fixed_length_constraints ... ok
[INFO] [stdout] test widgets_table_column_spacing_can_be_changed ... ok
[INFO] [stdout] test widgets_table_can_have_rows_with_multi_lines ... ok
[INFO] [stdout] test widgets_table_columns_widths_can_use_ratio_constraints ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widgets_tabs-d99367feb627ccbd
[INFO] [stdout] test widgets_table_columns_widths_can_use_percentage_constraints ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test widgets_tabs_should_not_panic_on_narrow_areas ... ok
[INFO] [stderr]    Doc-tests tui
[INFO] [stdout] test widgets_tabs_should_truncate_the_last_item ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test src/lib.rs - (line 51) ... ignored
[INFO] [stdout] test src/lib.rs - (line 107) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[INFO] [stdout] test src/style.rs - style::Style::fg (line 153) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name tui -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cfg 'feature="default"' --cfg 'feature="termion"' --extern argh=/opt/rustwide/target/debug/deps/libargh-2551ae259f2121cf.rlib --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-8a5476fab5bb3232.rlib --extern cassowary=/opt/rustwide/target/debug/deps/libcassowary-df72917e0809795d.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-7b71cf6ad96983b5.rlib --extern termion=/opt/rustwide/target/debug/deps/libtermion-fdfebfe699c1b41e.rlib --extern tui=/opt/rustwide/target/debug/deps/libtui-68e8138d4497b967.rlib --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-07ba75ebec98cf1f.rlib --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-906fa989c4fba052.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "dad5e68b2e4f3e376d95851e419827f0fc1902b8277d67ca6085aa2ff8b7f3b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad5e68b2e4f3e376d95851e419827f0fc1902b8277d67ca6085aa2ff8b7f3b9", kill_on_drop: false }`
[INFO] [stdout] dad5e68b2e4f3e376d95851e419827f0fc1902b8277d67ca6085aa2ff8b7f3b9