[INFO] fetching crate display-99bugs-driver 0.1.0-a... [INFO] testing display-99bugs-driver-0.1.0-a against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate display-99bugs-driver 0.1.0-a into /workspace/builds/worker-27/source [INFO] validating manifest of crates.io crate display-99bugs-driver 0.1.0-a on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate display-99bugs-driver 0.1.0-a [INFO] finished tweaking crates.io crate display-99bugs-driver 0.1.0-a [INFO] tweaked toml for crates.io crate display-99bugs-driver 0.1.0-a written to /workspace/builds/worker-27/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d8a18aa27c056e5ddcd492e083cb8c8ed3028c7c47caccba4438decbe91d849 [INFO] running `Command { std: "docker" "start" "-a" "2d8a18aa27c056e5ddcd492e083cb8c8ed3028c7c47caccba4438decbe91d849", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d8a18aa27c056e5ddcd492e083cb8c8ed3028c7c47caccba4438decbe91d849", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d8a18aa27c056e5ddcd492e083cb8c8ed3028c7c47caccba4438decbe91d849", kill_on_drop: false }` [INFO] [stdout] 2d8a18aa27c056e5ddcd492e083cb8c8ed3028c7c47caccba4438decbe91d849 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa96ac789cb2722f939a80e01a48debc662e3fd26d27cd89e9a0c11eb6b6d3c9 [INFO] running `Command { std: "docker" "start" "-a" "fa96ac789cb2722f939a80e01a48debc662e3fd26d27cd89e9a0c11eb6b6d3c9", kill_on_drop: false }` [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling bitflags v0.3.3 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Compiling spidev v0.3.0 [INFO] [stderr] Compiling display-99bugs-driver v0.1.0-a (/opt/rustwide/workdir) [INFO] [stdout] warning: constant is never used: `PANEL_LINE_COUNT` [INFO] [stdout] --> src/display.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | pub const PANEL_LINE_COUNT: usize = 32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `PANEL_COUNT` [INFO] [stdout] --> src/display.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | pub const PANEL_COUNT: usize = 6; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `PANEL_BUFFER_SIZE` [INFO] [stdout] --> src/display.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | pub const PANEL_BUFFER_SIZE: usize = LINE_BUFFER_SIZE * PANEL_LINE_COUNT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `FRAME_BUFFER_SIZE` [INFO] [stdout] --> src/display.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | pub const FRAME_BUFFER_SIZE: usize = PANEL_BUFFER_SIZE * PANEL_COUNT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `PANEL_MODE` [INFO] [stdout] --> src/display.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | const PANEL_MODE: u8 = 0x02; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `FRAME_MODE` [INFO] [stdout] --> src/display.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | const FRAME_MODE: u8 = 0x03; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_frame` [INFO] [stdout] --> src/display.rs:55:12 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn write_frame(&mut self, data: &[u8]) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `HEADER_SIZE` [INFO] [stdout] --> src/display.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | const HEADER_SIZE: usize = 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.20s [INFO] running `Command { std: "docker" "inspect" "fa96ac789cb2722f939a80e01a48debc662e3fd26d27cd89e9a0c11eb6b6d3c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa96ac789cb2722f939a80e01a48debc662e3fd26d27cd89e9a0c11eb6b6d3c9", kill_on_drop: false }` [INFO] [stdout] fa96ac789cb2722f939a80e01a48debc662e3fd26d27cd89e9a0c11eb6b6d3c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] af6b3c2b0070d61a2c2733193bc710ceb5d2a91e9cbb82d0bf940e13f1e78d4a [INFO] running `Command { std: "docker" "start" "-a" "af6b3c2b0070d61a2c2733193bc710ceb5d2a91e9cbb82d0bf940e13f1e78d4a", kill_on_drop: false }` [INFO] [stderr] Compiling display-99bugs-driver v0.1.0-a (/opt/rustwide/workdir) [INFO] [stdout] warning: constant is never used: `PANEL_LINE_COUNT` [INFO] [stdout] --> src/display.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | pub const PANEL_LINE_COUNT: usize = 32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `PANEL_COUNT` [INFO] [stdout] --> src/display.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | pub const PANEL_COUNT: usize = 6; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `PANEL_BUFFER_SIZE` [INFO] [stdout] --> src/display.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | pub const PANEL_BUFFER_SIZE: usize = LINE_BUFFER_SIZE * PANEL_LINE_COUNT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `FRAME_BUFFER_SIZE` [INFO] [stdout] --> src/display.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | pub const FRAME_BUFFER_SIZE: usize = PANEL_BUFFER_SIZE * PANEL_COUNT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `PANEL_MODE` [INFO] [stdout] --> src/display.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | const PANEL_MODE: u8 = 0x02; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `FRAME_MODE` [INFO] [stdout] --> src/display.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | const FRAME_MODE: u8 = 0x03; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_frame` [INFO] [stdout] --> src/display.rs:55:12 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn write_frame(&mut self, data: &[u8]) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `HEADER_SIZE` [INFO] [stdout] --> src/display.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | const HEADER_SIZE: usize = 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "af6b3c2b0070d61a2c2733193bc710ceb5d2a91e9cbb82d0bf940e13f1e78d4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af6b3c2b0070d61a2c2733193bc710ceb5d2a91e9cbb82d0bf940e13f1e78d4a", kill_on_drop: false }` [INFO] [stdout] af6b3c2b0070d61a2c2733193bc710ceb5d2a91e9cbb82d0bf940e13f1e78d4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 099bad15c0eea8291a3c35484011fa3c179ed871fc7373ccefb03a24145aee48 [INFO] running `Command { std: "docker" "start" "-a" "099bad15c0eea8291a3c35484011fa3c179ed871fc7373ccefb03a24145aee48", kill_on_drop: false }` [INFO] [stderr] warning: constant is never used: `PANEL_LINE_COUNT` [INFO] [stderr] --> src/display.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | pub const PANEL_LINE_COUNT: usize = 32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `PANEL_COUNT` [INFO] [stderr] --> src/display.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | pub const PANEL_COUNT: usize = 6; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `PANEL_BUFFER_SIZE` [INFO] [stderr] --> src/display.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | pub const PANEL_BUFFER_SIZE: usize = LINE_BUFFER_SIZE * PANEL_LINE_COUNT; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `FRAME_BUFFER_SIZE` [INFO] [stderr] --> src/display.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | pub const FRAME_BUFFER_SIZE: usize = PANEL_BUFFER_SIZE * PANEL_COUNT; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `PANEL_MODE` [INFO] [stderr] --> src/display.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | const PANEL_MODE: u8 = 0x02; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `FRAME_MODE` [INFO] [stderr] --> src/display.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | const FRAME_MODE: u8 = 0x03; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `write_frame` [INFO] [stderr] --> src/display.rs:55:12 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn write_frame(&mut self, data: &[u8]) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `HEADER_SIZE` [INFO] [stderr] --> src/display.rs:56:9 [INFO] [stderr] | [INFO] [stderr] 56 | const HEADER_SIZE: usize = 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `display-99bugs-driver` (bin "display-99bugs-driver" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/display_99bugs_driver-62ef672ab66879cd) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "099bad15c0eea8291a3c35484011fa3c179ed871fc7373ccefb03a24145aee48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "099bad15c0eea8291a3c35484011fa3c179ed871fc7373ccefb03a24145aee48", kill_on_drop: false }` [INFO] [stdout] 099bad15c0eea8291a3c35484011fa3c179ed871fc7373ccefb03a24145aee48