[INFO] fetching crate sensehat-screen 0.2.6...
[INFO] testing sensehat-screen-0.2.6 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate sensehat-screen 0.2.6 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate sensehat-screen 0.2.6
[INFO] finished tweaking crates.io crate sensehat-screen 0.2.6
[INFO] tweaked toml for crates.io crate sensehat-screen 0.2.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sensehat-screen 0.2.6 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sensehat-screen 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddd54dca421313ac3635e4aaecbfe0c881288f1819a74151894820c91cda6d6a
[INFO] running `Command { std: "docker" "start" "-a" "ddd54dca421313ac3635e4aaecbfe0c881288f1819a74151894820c91cda6d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddd54dca421313ac3635e4aaecbfe0c881288f1819a74151894820c91cda6d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd54dca421313ac3635e4aaecbfe0c881288f1819a74151894820c91cda6d6a", kill_on_drop: false }`
[INFO] [stdout] ddd54dca421313ac3635e4aaecbfe0c881288f1819a74151894820c91cda6d6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ace85da69b6e0ccc55f1825df08abf94473628da035ac665c0e5a09d5b62cfac
[INFO] running `Command { std: "docker" "start" "-a" "ace85da69b6e0ccc55f1825df08abf94473628da035ac665c0e5a09d5b62cfac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling font8x8 v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling sensehat-screen v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling framebuffer v0.2.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.05s
[INFO] running `Command { std: "docker" "inspect" "ace85da69b6e0ccc55f1825df08abf94473628da035ac665c0e5a09d5b62cfac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace85da69b6e0ccc55f1825df08abf94473628da035ac665c0e5a09d5b62cfac", kill_on_drop: false }`
[INFO] [stdout] ace85da69b6e0ccc55f1825df08abf94473628da035ac665c0e5a09d5b62cfac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c85d12bc143cc76edd21832e08e6e3c5c7d6a1b7d655ea8e9855b7eb46bb02c
[INFO] running `Command { std: "docker" "start" "-a" "3c85d12bc143cc76edd21832e08e6e3c5c7d6a1b7d655ea8e9855b7eb46bb02c", kill_on_drop: false }`
[INFO] [stderr]    Compiling sensehat-screen v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "3c85d12bc143cc76edd21832e08e6e3c5c7d6a1b7d655ea8e9855b7eb46bb02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c85d12bc143cc76edd21832e08e6e3c5c7d6a1b7d655ea8e9855b7eb46bb02c", kill_on_drop: false }`
[INFO] [stdout] 3c85d12bc143cc76edd21832e08e6e3c5c7d6a1b7d655ea8e9855b7eb46bb02c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 261b0429643b64a9ae7b693751123fcb3a2bc7cac60827a713ae71d48e96024f
[INFO] running `Command { std: "docker" "start" "-a" "261b0429643b64a9ae7b693751123fcb3a2bc7cac60827a713ae71d48e96024f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sensehat_screen-acacbab9725b72ad)
[INFO] [stdout] 
[INFO] [stdout] running 71 tests
[INFO] [stdout] test color::tests::color_pixel_converts_rgb_into_2_bytes_rgb565 ... ok
[INFO] [stdout] test color::tests::color_pixel_encodes_rgb_into_2_bytes_rgb565_with_losses ... ok
[INFO] [stdout] test color::tests::convert_byte_array_to_rgb565 ... ok
[INFO] [stdout] test fonts::tests::fn_font_to_frame_takes_a_byte_array_and_pixel_color ... ok
[INFO] [stdout] test fonts::tests::fn_font_to_pixel_color_array_with_bg_creates_new_array ... ok
[INFO] [stdout] test fonts::tests::fn_font_to_pixel_color_array_creates_new_array ... ok
[INFO] [stdout] test color::tests::convert_rgb565_to_byte_array ... ok
[INFO] [stdout] test fonts::tests::fn_font_to_pixel_frame_takes_a_byte_array_and_pixel_color ... ok
[INFO] [stdout] test fonts::tests::font_collection_sanitizes_text_by_removing_symbols_not_in_set ... ok
[INFO] [stdout] test fonts::tests::font_collection_sanitizes_text_by_filtering_known_unicode_points ... ok
[INFO] [stdout] test fonts::tests::font_collection_searches_for_symbols_by_unicode_key ... ok
[INFO] [stdout] test fonts::tests::font_frame_gets_background_color ... ok
[INFO] [stdout] test fonts::tests::font_frame_sets_stroke_color ... ok
[INFO] [stdout] test fonts::tests::font_frame_sets_background_color ... ok
[INFO] [stdout] test fonts::tests::font_collection_gets_optional_symbol_by_unicode_key ... ok
[INFO] [stdout] test fonts::tests::font_frames_are_created_from_ut16_font_a_stroke_and_a_background_color ... ok
[INFO] [stdout] test fonts::tests::font_string_font_frames_returns_a_vec_of_font_frame ... ok
[INFO] [stdout] test fonts::tests::font_frames_is_represented_as_a_pixel_frame ... ok
[INFO] [stdout] test fonts::tests::font_string_chars_method_returns_vec_of_chars ... ok
[INFO] [stdout] test fonts::tests::font_frame_gets_stroke_color ... ok
[INFO] [stdout] test frame::clip::tests::frame_clip_offsets_to_the_top ... ok
[INFO] [stdout] test fonts::tests::font_string_implements_display_trait ... ok
[INFO] [stdout] test fonts::tests::font_string_new_method_starts_emtpy_instance ... ok
[INFO] [stdout] test frame::clip::tests::frame_clip_offsets_to_the_bottom ... ok
[INFO] [stdout] test frame::offset::tests::pixel_frame_offsets_to_the_bottom ... ok
[INFO] [stdout] test frame::clip::tests::frame_clip_offsets_to_the_left ... ok
[INFO] [stdout] test frame::clip::tests::frame_clip_offsets_to_the_right ... ok
[INFO] [stdout] test fonts::tests::font_string_font_frames_returns_a_vec_of_pixel_frame ... ok
[INFO] [stdout] test fonts::tests::pixel_frame_implements_from_font_frame_trait ... ok
[INFO] [stdout] test frame::offset::tests::pixel_frame_offsets_to_the_top ... ok
[INFO] [stdout] test frame::offset::tests::pixel_frame_offsets_to_the_left ... ok
[INFO] [stdout] test frame::rotate::tests::pixel_frame_is_rotated_90_degrees_left ... ok
[INFO] [stdout] test frame::tests::frame_line_is_created_from_slice_of_pixel_color ... ok
[INFO] [stdout] test frame::rotate::tests::pixel_frame_is_rotated_90_degrees_right ... ok
[INFO] [stdout] test frame::tests::pixel_frame_creates_a_frame_line_of_the_current_state ... ok
[INFO] [stdout] test frame::tests::pixel_frame_is_created_from_rows_of_pixel_color ... ok
[INFO] [stdout] test frame::rotate::tests::pixel_frame_is_rotated_by_180_degrees ... ok
[INFO] [stdout] test frame::offset::tests::pixel_frame_offsets_to_the_right ... ok
[INFO] [stdout] test frame::rotate::tests::pixel_frame_is_rotated_by_180_degrees_by_two_90_deg_steps ... ok
[INFO] [stdout] test frame::tests::frame_line_is_created_from_slice_of_bytes ... ok
[INFO] [stdout] test frame::tests::pixel_frame_is_created_from_columns_of_pixel_color ... ok
[INFO] [stdout] test frame::tests::pixel_frame_is_represented_as_columns_of_pixel_color ... ok
[INFO] [stdout] test frame::tests::pixel_frame_is_represented_as_rows_of_pixel_color ... ok
[INFO] [stdout] test frame::tests::pixel_frame_is_created_from_a_slice_of_pixel_color ... ok
[INFO] [stdout] test scroll::tests::frame_sequence_positions_method_returns_number_of_pixel_frame_positions ... ok
[INFO] [stdout] test scroll::tests::frame_sequence_implements_iterator_of_pixel_frames_bottom_to_top ... ok
[INFO] [stdout] test scroll::tests::scroll_has_len_method_returns_the_number_of_pixel_frames ... ok
[INFO] [stdout] test scroll::tests::scroll_has_reverse_method_returns_slice_of_pixel_frames ... ok
[INFO] [stdout] test scroll::tests::frame_sequence_implements_iterator_of_pixel_frames_left_to_right ... ok
[INFO] [stdout] test scroll::tests::frame_sequence_implements_iterator_of_pixel_frames_right_to_left ... ok
[INFO] [stdout] test scroll::tests::scroll_has_clips_method_returns_slice_of_clips ... ok
[INFO] [stdout] test scroll::tests::scroll_has_frames_method_returns_slice_of_pixel_frames ... ok
[INFO] [stdout] test scroll::tests::frame_sequence_iterator_count_equals_number_of_positions_plus_one ... ok
[INFO] [stdout] test scroll::tests::scrolls_create_bottom_to_top_frame_sequence ... ok
[INFO] [stdout] test scroll::tests::scrolls_create_left_to_right_frame_sequence ... ok
[INFO] [stdout] test scroll::tests::frame_sequence_implements_iterator_of_pixel_frames_top_to_bottom ... ok
[INFO] [stdout] test scroll::tests::scrolls_create_right_to_left_frame_sequence ... ok
[INFO] [stdout] test scroll::tests::scroll_is_created_from_slice_of_at_least_2_pixel_frames ... ok
[INFO] [stdout] test scroll::tests::scrolls_create_top_to_bottom_frame_sequence ... ok
[INFO] [stdout] test frame::clip::tests::frame_clip_panics_when_offset_to_the_bottom_is_greater_than_8 - should panic ... ok
[INFO] [stdout] test frame::clip::tests::frame_clip_panics_when_offset_to_the_top_is_greater_than_8 - should panic ... ok
[INFO] [stdout] test frame::clip::tests::frame_clip_panics_when_offset_to_the_left_is_greater_than_8 - should panic ... ok
[INFO] [stdout] test scroll::tests::scroll_implements_index_trait_with_pixel_frame_output ... ok
[INFO] [stdout] test frame::clip::tests::frame_clip_panics_when_offset_to_the_right_is_greater_than_8 - should panic ... ok
[INFO] [stdout] test frame::offset::tests::pixel_frame_panics_when_offset_to_the_bottom_is_greater_than_8 - should panic ... ok
[INFO] [stdout] test frame::offset::tests::pixel_frame_panics_when_offset_to_the_left_is_greater_than_8 - should panic ... ok
[INFO] [stdout] test frame::offset::tests::pixel_frame_panics_when_offset_to_the_right_is_greater_than_8 - should panic ... ok
[INFO] [stdout] test frame::offset::tests::pixel_frame_panics_when_offset_to_the_top_is_greater_than_8 - should panic ... ok
[INFO] [stdout] test scroll::tests::scroll_is_created_from_empty_slice_of_pixel_frames_will_panic - should panic ... ok
[INFO] [stdout] test scroll::tests::scroll_is_created_from_slice_of_1_pixel_frame_will_panic - should panic ... ok
[INFO] [stdout] test scroll::tests::scroll_implements_index_trait_with_pixel_frame_output_panics_when_out_of_bounds - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 71 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sensehat_screen
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/color.rs - color::fmt (line 4) ... ok
[INFO] [stdout] test src/frame_offset.rs - frame::offset::PixelFrame::offset (line 12) ... ok
[INFO] [stdout] test src/color.rs - color::Rgb565 (line 170) ... ok
[INFO] [stdout] test src/frame_clip.rs - frame::clip::Clip (line 143) ... ok
[INFO] [stdout] test src/frame_clip.rs - frame::clip::Clip (line 72) ... ok
[INFO] [stdout] test src/frame_clip.rs - frame::clip::Clip (line 220) ... ok
[INFO] [stdout] test src/frame_clip.rs - frame::clip::Clip (line 290) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "261b0429643b64a9ae7b693751123fcb3a2bc7cac60827a713ae71d48e96024f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261b0429643b64a9ae7b693751123fcb3a2bc7cac60827a713ae71d48e96024f", kill_on_drop: false }`
[INFO] [stdout] 261b0429643b64a9ae7b693751123fcb3a2bc7cac60827a713ae71d48e96024f