[INFO] fetching crate tui 0.14.0...
[INFO] testing tui-0.14.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tui 0.14.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate tui 0.14.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-11/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f466bf81b44d18a71f8fba728f23ea9eb422d85af03d283b7cdf17cf3623ef65
[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" "f466bf81b44d18a71f8fba728f23ea9eb422d85af03d283b7cdf17cf3623ef65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f466bf81b44d18a71f8fba728f23ea9eb422d85af03d283b7cdf17cf3623ef65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f466bf81b44d18a71f8fba728f23ea9eb422d85af03d283b7cdf17cf3623ef65", kill_on_drop: false }`
[INFO] [stdout] f466bf81b44d18a71f8fba728f23ea9eb422d85af03d283b7cdf17cf3623ef65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18e778ea83ede901feb03f682a933ec6939eae97c32654a0e4f5d006461f1f70
[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" "18e778ea83ede901feb03f682a933ec6939eae97c32654a0e4f5d006461f1f70", 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 6.98s
[INFO] running `Command { std: "docker" "inspect" "18e778ea83ede901feb03f682a933ec6939eae97c32654a0e4f5d006461f1f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e778ea83ede901feb03f682a933ec6939eae97c32654a0e4f5d006461f1f70", kill_on_drop: false }`
[INFO] [stdout] 18e778ea83ede901feb03f682a933ec6939eae97c32654a0e4f5d006461f1f70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d33a029a3191b9d7ccbf8eb1b2df70cac258e7049cf1f86ba4ee0a5084e5bac
[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" "2d33a029a3191b9d7ccbf8eb1b2df70cac258e7049cf1f86ba4ee0a5084e5bac", kill_on_drop: false }`
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]    Compiling syn v1.0.56
[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 49.67s
[INFO] running `Command { std: "docker" "inspect" "2d33a029a3191b9d7ccbf8eb1b2df70cac258e7049cf1f86ba4ee0a5084e5bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d33a029a3191b9d7ccbf8eb1b2df70cac258e7049cf1f86ba4ee0a5084e5bac", kill_on_drop: false }`
[INFO] [stdout] 2d33a029a3191b9d7ccbf8eb1b2df70cac258e7049cf1f86ba4ee0a5084e5bac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 808ce6d0857b7c57aac983a9a2786fafdf63f46e220e0ceef73486aa39a8683e
[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" "808ce6d0857b7c57aac983a9a2786fafdf63f46e220e0ceef73486aa39a8683e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 46 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tui-46da742843d12e0a
[INFO] [stdout] test buffer::tests::buffer_merge2 ... ok
[INFO] [stdout] test buffer::tests::buffer_set_string ... ok
[INFO] [stdout] test buffer::tests::buffer_merge3 ... ok
[INFO] [stdout] test buffer::tests::buffer_with_lines ... ok
[INFO] [stdout] test buffer::tests::it_translates_to_and_from_coordinates ... ok
[INFO] [stdout] test buffer::tests::buffer_diffing_empty_empty ... ok
[INFO] [stdout] test buffer::tests::buffer_set_string_zero_width ... ok
[INFO] [stdout] test buffer::tests::buffer_diffing_multi_width ... ok
[INFO] [stdout] test buffer::tests::buffer_set_string_double_width ... ok
[INFO] [stdout] test buffer::tests::buffer_diffing_empty_filled ... ok
[INFO] [stdout] test buffer::tests::buffer_diffing_multi_width_offset ... ok
[INFO] [stdout] test buffer::tests::buffer_diffing_single_width ... ok
[INFO] [stdout] test buffer::tests::buffer_merge ... ok
[INFO] [stdout] test layout::tests::test_rect_size_preservation ... ok
[INFO] [stdout] test layout::tests::test_rect_size_truncation ... ok
[INFO] [stdout] test layout::tests::test_vertical_split_by_height ... ok
[INFO] [stdout] test style::tests::combined_patch_gives_same_result_as_individual_patch ... ok
[INFO] [stdout] test widgets::block::tests::inner_takes_into_account_the_borders ... 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_double_width_chars ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_char_plus_lots_of_spaces ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_leading_whitespace_removal ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_long_word ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_long_sentence ... ok
[INFO] [stdout] test buffer::tests::buffer_diffing_filled_filled ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_lots_of_spaces ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_short_lines ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_max_line_width_of_1 ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_one_line ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_word_wrapper_preserve_indentation_with_wrap ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_zero_width ... ok
[INFO] [stdout] test widgets::sparkline::tests::it_does_not_panic_if_max_is_set_to_zero ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_word_wrapper_preserve_indentation_lots_of_whitespace ... 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 ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_word_wrapper_mixed_length ... 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_nbsp ... ok
[INFO] [stdout] test buffer::tests::index_of_panics_on_out_of_bounds ... ok
[INFO] [stdout] test buffer::tests::pos_of_panics_on_out_of_bounds ... ok
[INFO] [stdout] test widgets::reflow::test::line_composer_max_line_width_of_1_double_width_characters ... ok
[INFO] [stdout] test widgets::gauge::tests::gauge_invalid_ratio_upper_bound ... ok
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/backend_termion-5914771f722cdbf3
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/terminal-1992ca8c9f471802
[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
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widgets_barchart-f052e019aa837336
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widgets_block-2442aac663f05f2f
[INFO] [stdout] test widgets_block_renders ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widgets_chart-f477e4df38748a07
[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
[INFO] [stdout] 
[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_empty_datasets ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widgets_gauge-e4608291349e7f53
[INFO] [stdout] test widgets_chart_can_have_axis_with_zero_length_bounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widgets_list-633216f786716c7c
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widgets_paragraph-dbf238251571875a
[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
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widgets_table-2d12514880cff090
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test widgets_table_should_render_even_if_empty ... ok
[INFO] [stdout] test widgets_table_can_have_elements_styled_individually ... ok
[INFO] [stdout] test widgets_table_columns_widths_can_use_fixed_length_constraints ... ok
[INFO] [stdout] test widgets_table_columns_widths_can_use_mixed_constraints ... ok
[INFO] [stdout] test widgets_table_can_have_rows_with_multi_lines ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widgets_tabs-6969b4045890a4fb
[INFO] [stdout] test widgets_table_column_spacing_can_be_changed ... ok
[INFO] [stdout] test widgets_table_columns_widths_can_use_ratio_constraints ... ok
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests tui
[INFO] [stdout] test widgets_tabs_should_not_panic_on_narrow_areas ... ok
[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
[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 79) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 107) ... 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="termion"' --cfg 'feature="default"' --extern argh=/opt/rustwide/target/debug/deps/libargh-02cf148fdbfc1049.rlib --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-de31228f2c0549ed.rlib --extern cassowary=/opt/rustwide/target/debug/deps/libcassowary-20e79e503b59e6ac.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-87f6316c73290afe.rlib --extern termion=/opt/rustwide/target/debug/deps/libtermion-ef3a2743c3f40988.rlib --extern tui=/opt/rustwide/target/debug/deps/libtui-8c69d1b9feded29c.rlib --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-6cd3e0c20f7bdb50.rlib --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-6a2548713a451fe0.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "808ce6d0857b7c57aac983a9a2786fafdf63f46e220e0ceef73486aa39a8683e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "808ce6d0857b7c57aac983a9a2786fafdf63f46e220e0ceef73486aa39a8683e", kill_on_drop: false }`
[INFO] [stdout] 808ce6d0857b7c57aac983a9a2786fafdf63f46e220e0ceef73486aa39a8683e