Dec 15 16:53:20.730 INFO testing display-99bugs-driver-0.1.0-a against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 16:53:20.730 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 16:53:20.939 INFO [stdout] 8e2b8f5264f2cc6b69c1e6995f6746e874e92855c61cf3194f23bb3f6119f99c
Dec 15 16:53:20.940 INFO running `"docker" "start" "-a" "8e2b8f5264f2cc6b69c1e6995f6746e874e92855c61cf3194f23bb3f6119f99c"`
Dec 15 16:53:21.576 INFO [stderr] usermod: no changes
Dec 15 16:53:21.665 INFO [stderr]    Compiling display-99bugs-driver v0.1.0-a (/source)
Dec 15 16:53:22.667 INFO [stderr] warning: constant item is never used: `PANEL_LINE_COUNT`
Dec 15 16:53:22.667 INFO [stderr]  --> src/display.rs:7:1
Dec 15 16:53:22.667 INFO [stderr]   |
Dec 15 16:53:22.667 INFO [stderr] 7 | pub const PANEL_LINE_COUNT: usize = 32;
Dec 15 16:53:22.667 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:53:22.667 INFO [stderr]   |
Dec 15 16:53:22.667 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 15 16:53:22.667 INFO [stderr] 
Dec 15 16:53:22.667 INFO [stderr] warning: constant item is never used: `PANEL_COUNT`
Dec 15 16:53:22.667 INFO [stderr]  --> src/display.rs:8:1
Dec 15 16:53:22.667 INFO [stderr]   |
Dec 15 16:53:22.667 INFO [stderr] 8 | pub const PANEL_COUNT: usize = 6;
Dec 15 16:53:22.667 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:53:22.667 INFO [stderr] 
Dec 15 16:53:22.667 INFO [stderr] warning: constant item is never used: `PANEL_BUFFER_SIZE`
Dec 15 16:53:22.667 INFO [stderr]   --> src/display.rs:12:1
Dec 15 16:53:22.667 INFO [stderr]    |
Dec 15 16:53:22.667 INFO [stderr] 12 | pub const PANEL_BUFFER_SIZE: usize = LINE_BUFFER_SIZE * PANEL_LINE_COUNT;
Dec 15 16:53:22.667 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:53:22.667 INFO [stderr] 
Dec 15 16:53:22.667 INFO [stderr] warning: constant item is never used: `FRAME_BUFFER_SIZE`
Dec 15 16:53:22.667 INFO [stderr]   --> src/display.rs:13:1
Dec 15 16:53:22.667 INFO [stderr]    |
Dec 15 16:53:22.667 INFO [stderr] 13 | pub const FRAME_BUFFER_SIZE: usize = PANEL_BUFFER_SIZE * PANEL_COUNT;
Dec 15 16:53:22.667 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:53:22.667 INFO [stderr] 
Dec 15 16:53:22.667 INFO [stderr] warning: constant item is never used: `PANEL_MODE`
Dec 15 16:53:22.667 INFO [stderr]   --> src/display.rs:22:1
Dec 15 16:53:22.667 INFO [stderr]    |
Dec 15 16:53:22.667 INFO [stderr] 22 | const PANEL_MODE: u8 = 0x02;
Dec 15 16:53:22.667 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:53:22.667 INFO [stderr] 
Dec 15 16:53:22.667 INFO [stderr] warning: constant item is never used: `FRAME_MODE`
Dec 15 16:53:22.667 INFO [stderr]   --> src/display.rs:23:1
Dec 15 16:53:22.667 INFO [stderr]    |
Dec 15 16:53:22.667 INFO [stderr] 23 | const FRAME_MODE: u8 = 0x03;
Dec 15 16:53:22.667 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:53:22.667 INFO [stderr] 
Dec 15 16:53:22.667 INFO [stderr] warning: method is never used: `write_frame`
Dec 15 16:53:22.667 INFO [stderr]   --> src/display.rs:55:5
Dec 15 16:53:22.667 INFO [stderr]    |
Dec 15 16:53:22.667 INFO [stderr] 55 |     pub fn write_frame(&mut self, data: &[u8]) {
Dec 15 16:53:22.667 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:53:22.667 INFO [stderr] 
Dec 15 16:53:22.667 INFO [stderr] warning: constant item is never used: `HEADER_SIZE`
Dec 15 16:53:22.668 INFO [stderr]   --> src/display.rs:56:9
Dec 15 16:53:22.668 INFO [stderr]    |
Dec 15 16:53:22.668 INFO [stderr] 56 |         const HEADER_SIZE: usize = 1;
Dec 15 16:53:22.668 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:53:22.668 INFO [stderr] 
Dec 15 16:53:23.159 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
Dec 15 16:53:23.167 INFO [stderr] su: No module specific data is present
Dec 15 16:53:23.776 INFO running `"docker" "inspect" "8e2b8f5264f2cc6b69c1e6995f6746e874e92855c61cf3194f23bb3f6119f99c"`
Dec 15 16:53:23.877 INFO running `"docker" "rm" "-f" "8e2b8f5264f2cc6b69c1e6995f6746e874e92855c61cf3194f23bb3f6119f99c"`
Dec 15 16:53:24.053 INFO [stdout] 8e2b8f5264f2cc6b69c1e6995f6746e874e92855c61cf3194f23bb3f6119f99c
Dec 15 16:53:24.059 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 16:53:24.335 INFO [stdout] b4111406bf5923f9b0d7b38bd2fb19e8e43abfe7195a7b4c914c5ea4c959db39
Dec 15 16:53:24.343 INFO running `"docker" "start" "-a" "b4111406bf5923f9b0d7b38bd2fb19e8e43abfe7195a7b4c914c5ea4c959db39"`
Dec 15 16:53:25.180 INFO [stderr] usermod: no changes
Dec 15 16:53:25.242 INFO [stderr]    Compiling display-99bugs-driver v0.1.0-a (/source)
Dec 15 16:53:26.289 INFO [stderr] warning: constant item is never used: `PANEL_LINE_COUNT`
Dec 15 16:53:26.289 INFO [stderr]  --> src/display.rs:7:1
Dec 15 16:53:26.289 INFO [stderr]   |
Dec 15 16:53:26.289 INFO [stderr] 7 | pub const PANEL_LINE_COUNT: usize = 32;
Dec 15 16:53:26.289 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:53:26.289 INFO [stderr]   |
Dec 15 16:53:26.289 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 15 16:53:26.289 INFO [stderr] 
Dec 15 16:53:26.289 INFO [stderr] warning: constant item is never used: `PANEL_COUNT`
Dec 15 16:53:26.289 INFO [stderr]  --> src/display.rs:8:1
Dec 15 16:53:26.289 INFO [stderr]   |
Dec 15 16:53:26.289 INFO [stderr] 8 | pub const PANEL_COUNT: usize = 6;
Dec 15 16:53:26.289 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:53:26.289 INFO [stderr] 
Dec 15 16:53:26.289 INFO [stderr] warning: constant item is never used: `PANEL_BUFFER_SIZE`
Dec 15 16:53:26.289 INFO [stderr]   --> src/display.rs:12:1
Dec 15 16:53:26.289 INFO [stderr]    |
Dec 15 16:53:26.289 INFO [stderr] 12 | pub const PANEL_BUFFER_SIZE: usize = LINE_BUFFER_SIZE * PANEL_LINE_COUNT;
Dec 15 16:53:26.289 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:53:26.289 INFO [stderr] 
Dec 15 16:53:26.289 INFO [stderr] warning: constant item is never used: `FRAME_BUFFER_SIZE`
Dec 15 16:53:26.289 INFO [stderr]   --> src/display.rs:13:1
Dec 15 16:53:26.289 INFO [stderr]    |
Dec 15 16:53:26.289 INFO [stderr] 13 | pub const FRAME_BUFFER_SIZE: usize = PANEL_BUFFER_SIZE * PANEL_COUNT;
Dec 15 16:53:26.289 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:53:26.289 INFO [stderr] 
Dec 15 16:53:26.290 INFO [stderr] warning: constant item is never used: `PANEL_MODE`
Dec 15 16:53:26.290 INFO [stderr]   --> src/display.rs:22:1
Dec 15 16:53:26.290 INFO [stderr]    |
Dec 15 16:53:26.290 INFO [stderr] 22 | const PANEL_MODE: u8 = 0x02;
Dec 15 16:53:26.290 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:53:26.290 INFO [stderr] 
Dec 15 16:53:26.290 INFO [stderr] warning: constant item is never used: `FRAME_MODE`
Dec 15 16:53:26.290 INFO [stderr]   --> src/display.rs:23:1
Dec 15 16:53:26.290 INFO [stderr]    |
Dec 15 16:53:26.290 INFO [stderr] 23 | const FRAME_MODE: u8 = 0x03;
Dec 15 16:53:26.290 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:53:26.290 INFO [stderr] 
Dec 15 16:53:26.290 INFO [stderr] warning: method is never used: `write_frame`
Dec 15 16:53:26.290 INFO [stderr]   --> src/display.rs:55:5
Dec 15 16:53:26.290 INFO [stderr]    |
Dec 15 16:53:26.290 INFO [stderr] 55 |     pub fn write_frame(&mut self, data: &[u8]) {
Dec 15 16:53:26.290 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:53:26.290 INFO [stderr] 
Dec 15 16:53:26.290 INFO [stderr] warning: constant item is never used: `HEADER_SIZE`
Dec 15 16:53:26.290 INFO [stderr]   --> src/display.rs:56:9
Dec 15 16:53:26.290 INFO [stderr]    |
Dec 15 16:53:26.290 INFO [stderr] 56 |         const HEADER_SIZE: usize = 1;
Dec 15 16:53:26.290 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:53:26.290 INFO [stderr] 
Dec 15 16:53:26.533 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Dec 15 16:53:26.536 INFO [stderr] su: No module specific data is present
Dec 15 16:53:26.861 INFO running `"docker" "inspect" "b4111406bf5923f9b0d7b38bd2fb19e8e43abfe7195a7b4c914c5ea4c959db39"`
Dec 15 16:53:26.958 INFO running `"docker" "rm" "-f" "b4111406bf5923f9b0d7b38bd2fb19e8e43abfe7195a7b4c914c5ea4c959db39"`
Dec 15 16:53:27.100 INFO [stdout] b4111406bf5923f9b0d7b38bd2fb19e8e43abfe7195a7b4c914c5ea4c959db39
Dec 15 16:53:27.105 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 16:53:27.371 INFO [stdout] e19b42ff25a973481b74d69eff88725c84ceaa291bfe93ebdd5588572c8e2e23
Dec 15 16:53:27.373 INFO running `"docker" "start" "-a" "e19b42ff25a973481b74d69eff88725c84ceaa291bfe93ebdd5588572c8e2e23"`
Dec 15 16:53:28.627 INFO [stderr] usermod: no changes
Dec 15 16:53:28.707 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 15 16:53:28.712 INFO [stderr]      Running /target/debug/deps/display_99bugs_driver-2b0594e5baa09e3f
Dec 15 16:53:28.718 INFO [stdout] 
Dec 15 16:53:28.718 INFO [stdout] running 0 tests
Dec 15 16:53:28.719 INFO [stdout] 
Dec 15 16:53:28.719 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 16:53:28.719 INFO [stdout] 
Dec 15 16:53:28.723 INFO [stderr] su: No module specific data is present
Dec 15 16:53:29.357 INFO running `"docker" "inspect" "e19b42ff25a973481b74d69eff88725c84ceaa291bfe93ebdd5588572c8e2e23"`
Dec 15 16:53:29.619 INFO running `"docker" "rm" "-f" "e19b42ff25a973481b74d69eff88725c84ceaa291bfe93ebdd5588572c8e2e23"`
Dec 15 16:53:29.979 INFO [stdout] e19b42ff25a973481b74d69eff88725c84ceaa291bfe93ebdd5588572c8e2e23