[INFO] crate sensehat-screen 0.2.3 is already in cache
[INFO] extracting crate sensehat-screen 0.2.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/sensehat-screen/0.2.3
[INFO] extracting crate sensehat-screen 0.2.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sensehat-screen/0.2.3
[INFO] validating manifest of sensehat-screen-0.2.3 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sensehat-screen-0.2.3 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sensehat-screen-0.2.3
[INFO] finished frobbing sensehat-screen-0.2.3
[INFO] frobbed toml for sensehat-screen-0.2.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/sensehat-screen/0.2.3/Cargo.toml
[INFO] started frobbing sensehat-screen-0.2.3
[INFO] finished frobbing sensehat-screen-0.2.3
[INFO] frobbed toml for sensehat-screen-0.2.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sensehat-screen/0.2.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sensehat-screen-0.2.3 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sensehat-screen/0.2.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 214b44800089b4063d579fbe159b804f8b4611e4d0124ecb942b8d329804db59
[INFO] running `"docker" "start" "-a" "214b44800089b4063d579fbe159b804f8b4611e4d0124ecb942b8d329804db59"`
[INFO] [stderr]    Compiling font8x8 v0.2.5
[INFO] [stderr]    Compiling memmap v0.5.2
[INFO] [stderr]    Compiling sensehat-screen v0.2.3 (/opt/crater/workdir)
[INFO] [stderr]    Compiling framebuffer v0.1.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `"docker" "inspect" "214b44800089b4063d579fbe159b804f8b4611e4d0124ecb942b8d329804db59"`
[INFO] running `"docker" "rm" "-f" "214b44800089b4063d579fbe159b804f8b4611e4d0124ecb942b8d329804db59"`
[INFO] [stdout] 214b44800089b4063d579fbe159b804f8b4611e4d0124ecb942b8d329804db59
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sensehat-screen/0.2.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0b7e2b0de9ea947434cb3413df7ac8cc6b9a672143ce6c1630f9bda69299d0cb
[INFO] running `"docker" "start" "-a" "0b7e2b0de9ea947434cb3413df7ac8cc6b9a672143ce6c1630f9bda69299d0cb"`
[INFO] [stderr]    Compiling sensehat-screen v0.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.99s
[INFO] running `"docker" "inspect" "0b7e2b0de9ea947434cb3413df7ac8cc6b9a672143ce6c1630f9bda69299d0cb"`
[INFO] running `"docker" "rm" "-f" "0b7e2b0de9ea947434cb3413df7ac8cc6b9a672143ce6c1630f9bda69299d0cb"`
[INFO] [stdout] 0b7e2b0de9ea947434cb3413df7ac8cc6b9a672143ce6c1630f9bda69299d0cb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sensehat-screen/0.2.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 44e110e1499fbb9a872dc2d5c2745496eb7a492803709b6eb9b3e5eb7bfd5b78
[INFO] running `"docker" "start" "-a" "44e110e1499fbb9a872dc2d5c2745496eb7a492803709b6eb9b3e5eb7bfd5b78"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sensehat_screen-51003e47ff696b87
[INFO] [stdout] 
[INFO] [stdout] running 71 tests
[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::font_collection_gets_optional_symbol_by_unicode_key ... ok
[INFO] [stdout] test fonts::tests::fn_font_to_pixel_color_array_creates_new_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::fn_font_to_pixel_color_array_with_bg_creates_new_array ... ok
[INFO] [stdout] test fonts::tests::fn_font_to_frame_takes_a_byte_array_and_pixel_color ... ok
[INFO] [stdout] test color::tests::convert_rgb565_to_byte_array ... ok
[INFO] [stdout] test fonts::tests::font_collection_searches_for_symbols_by_unicode_key ... ok
[INFO] [stdout] test fonts::tests::font_frame_gets_stroke_color ... ok
[INFO] [stdout] test fonts::tests::font_frame_sets_background_color ... ok
[INFO] [stdout] test fonts::tests::font_collection_sanitizes_text_by_filtering_known_unicode_points ... ok
[INFO] [stdout] test color::tests::color_pixel_converts_rgb_into_2_bytes_rgb565 ... ok
[INFO] [stdout] test fonts::tests::font_string_font_frames_returns_a_vec_of_font_frame ... ok
[INFO] [stdout] test fonts::tests::font_collection_sanitizes_text_by_removing_symbols_not_in_set ... ok
[INFO] [stdout] test fonts::tests::font_frame_gets_background_color ... ok
[INFO] [stdout] test fonts::tests::font_string_chars_method_returns_vec_of_chars ... ok
[INFO] [stdout] test fonts::tests::font_frame_sets_stroke_color ... ok
[INFO] [stdout] test fonts::tests::font_frames_is_represented_as_a_pixel_frame ... 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_new_method_starts_emtpy_instance ... ok
[INFO] [stdout] test fonts::tests::font_string_font_frames_returns_a_vec_of_pixel_frame ... ok
[INFO] [stdout] test frame::clip::tests::frame_clip_offsets_to_the_left ... ok
[INFO] [stdout] test fonts::tests::font_string_to_string_method_returns_string ... ok
[INFO] [stdout] test frame::clip::tests::frame_clip_offsets_to_the_bottom ... ok
[INFO] [stdout] test frame::clip::tests::frame_clip_offsets_to_the_right ... ok
[INFO] [stdout] test frame::clip::tests::frame_clip_offsets_to_the_top ... ok
[INFO] [stdout] test frame::offset::tests::pixel_frame_offsets_to_the_left ... ok
[INFO] [stdout] test frame::offset::tests::pixel_frame_offsets_to_the_right ... ok
[INFO] [stdout] test frame::offset::tests::pixel_frame_offsets_to_the_bottom ... ok
[INFO] [stdout] test frame::offset::tests::pixel_frame_offsets_to_the_top ... ok
[INFO] [stdout] test fonts::tests::pixel_frame_implements_from_font_frame_trait ... ok
[INFO] [stdout] test frame::clip::tests::frame_clip_panics_when_offset_to_the_left_is_greater_than_8 ... ok
[INFO] [stdout] test frame::clip::tests::frame_clip_panics_when_offset_to_the_bottom_is_greater_than_8 ... ok
[INFO] [stdout] test frame::clip::tests::frame_clip_panics_when_offset_to_the_top_is_greater_than_8 ... ok
[INFO] [stdout] test frame::clip::tests::frame_clip_panics_when_offset_to_the_right_is_greater_than_8 ... ok
[INFO] [stdout] test frame::rotate::tests::pixel_frame_is_rotated_by_180_degrees_by_two_90_deg_steps ... ok
[INFO] [stdout] test frame::rotate::tests::pixel_frame_is_rotated_by_180_degrees ... ok
[INFO] [stdout] test frame::tests::frame_line_is_created_from_slice_of_bytes ... ok
[INFO] [stdout] test frame::tests::frame_line_is_created_from_slice_of_pixel_color ... 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_a_slice_of_pixel_color ... ok
[INFO] [stdout] test frame::tests::pixel_frame_is_created_from_columns_of_pixel_color ... ok
[INFO] [stdout] test frame::tests::pixel_frame_is_created_from_rows_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 scroll::tests::frame_sequence_implements_iterator_of_pixel_frames_bottom_to_top ... ok
[INFO] [stdout] test frame::rotate::tests::pixel_frame_is_rotated_90_degrees_right ... ok
[INFO] [stdout] test frame::rotate::tests::pixel_frame_is_rotated_90_degrees_left ... ok
[INFO] [stdout] test scroll::tests::frame_sequence_implements_iterator_of_pixel_frames_top_to_bottom ... ok
[INFO] [stdout] test scroll::tests::frame_sequence_implements_iterator_of_pixel_frames_left_to_right ... ok
[INFO] [stdout] test frame::offset::tests::pixel_frame_panics_when_offset_to_the_bottom_is_greater_than_8 ... ok
[INFO] [stdout] test scroll::tests::frame_sequence_iterator_count_equals_number_of_positions_plus_one ... ok
[INFO] [stdout] test scroll::tests::scroll_has_clips_method_returns_slice_of_clips ... ok
[INFO] [stdout] test frame::offset::tests::pixel_frame_panics_when_offset_to_the_left_is_greater_than_8 ... ok
[INFO] [stdout] test frame::offset::tests::pixel_frame_panics_when_offset_to_the_right_is_greater_than_8 ... ok
[INFO] [stdout] test frame::offset::tests::pixel_frame_panics_when_offset_to_the_top_is_greater_than_8 ... ok
[INFO] [stdout] test scroll::tests::frame_sequence_positions_method_returns_number_of_pixel_frame_positions ... ok
[INFO] [stdout] test scroll::tests::scroll_has_frames_method_returns_slice_of_pixel_frames ... ok
[INFO] [stdout] test scroll::tests::frame_sequence_implements_iterator_of_pixel_frames_right_to_left ... ok
[INFO] [stdout] test scroll::tests::scroll_has_reverse_method_returns_slice_of_pixel_frames ... ok
[INFO] [stdout] test scroll::tests::scroll_implements_index_trait_with_pixel_frame_output ... ok
[INFO] [stdout] test scroll::tests::scroll_has_len_method_returns_the_number_of_pixel_frames ... 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_left_to_right_frame_sequence ... ok
[INFO] [stdout] test scroll::tests::scrolls_create_top_to_bottom_frame_sequence ... ok
[INFO] [stdout] test scroll::tests::scrolls_create_bottom_to_top_frame_sequence ... ok
[INFO] [stdout] test scroll::tests::scrolls_create_right_to_left_frame_sequence ... ok
[INFO] [stdout] test scroll::tests::scroll_implements_index_trait_with_pixel_frame_output_panics_when_out_of_bounds ... ok
[INFO] [stderr]    Doc-tests sensehat-screen
[INFO] [stdout] test scroll::tests::scroll_is_created_from_slice_of_1_pixel_frame_will_panic ... ok
[INFO] [stdout] test scroll::tests::scroll_is_created_from_empty_slice_of_pixel_frames_will_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 71 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/frame_offset.rs - frame::offset::PixelFrame::offset (line 12) ... ok
[INFO] [stdout] test src/frame_clip.rs - frame::clip::Clip (line 143) ... ok
[INFO] [stdout] test src/color.rs - color::Rgb565 (line 152) ... ok
[INFO] [stdout] test src/frame_clip.rs - frame::clip::Clip (line 290) ... ok
[INFO] [stdout] test src/color.rs - color::fmt (line 4) ... 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 72) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "44e110e1499fbb9a872dc2d5c2745496eb7a492803709b6eb9b3e5eb7bfd5b78"`
[INFO] running `"docker" "rm" "-f" "44e110e1499fbb9a872dc2d5c2745496eb7a492803709b6eb9b3e5eb7bfd5b78"`
[INFO] [stdout] 44e110e1499fbb9a872dc2d5c2745496eb7a492803709b6eb9b3e5eb7bfd5b78