[INFO] cloning repository https://github.com/Niedzwiedzw/rust-drivers-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Niedzwiedzw/rust-drivers-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiedzwiedzw%2Frust-drivers-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiedzwiedzw%2Frust-drivers-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d19a47521a504625aa357dabb3d26c34d14f0e6
[INFO] testing Niedzwiedzw/rust-drivers-playground against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiedzwiedzw%2Frust-drivers-playground" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Niedzwiedzw/rust-drivers-playground on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Niedzwiedzw/rust-drivers-playground
[INFO] finished tweaking git repo https://github.com/Niedzwiedzw/rust-drivers-playground
[INFO] tweaked toml for git repo https://github.com/Niedzwiedzw/rust-drivers-playground written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Niedzwiedzw/rust-drivers-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3b95c6e089d1f9ae97bf1d32db6a505f6cafd0d6c0832e550e06775c092024a
[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" "d3b95c6e089d1f9ae97bf1d32db6a505f6cafd0d6c0832e550e06775c092024a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3b95c6e089d1f9ae97bf1d32db6a505f6cafd0d6c0832e550e06775c092024a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b95c6e089d1f9ae97bf1d32db6a505f6cafd0d6c0832e550e06775c092024a", kill_on_drop: false }`
[INFO] [stdout] d3b95c6e089d1f9ae97bf1d32db6a505f6cafd0d6c0832e550e06775c092024a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94e3464887228e5c0089618387f446e131994c70be8bfcfce8870354a41bb2c5
[INFO] running `Command { std: "docker" "start" "-a" "94e3464887228e5c0089618387f446e131994c70be8bfcfce8870354a41bb2c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rppal v0.11.3 (https://github.com/golemparts/rppal#5eb0f148)
[INFO] [stderr]    Compiling rpi-display-driver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `INVERTDISPLAY`
[INFO] [stdout]  --> src/command_ids.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const INVERTDISPLAY: u8 = 0xA7;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SETLOWCOLUMN`
[INFO] [stdout]   --> src/command_ids.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const SETLOWCOLUMN: u8 = 0x00;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SETHIGHCOLUMN`
[INFO] [stdout]   --> src/command_ids.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const SETHIGHCOLUMN: u8 = 0x10;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COLUMNADDR`
[INFO] [stdout]   --> src/command_ids.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const COLUMNADDR: u8 = 0x21;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PAGEADDR`
[INFO] [stdout]   --> src/command_ids.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub const PAGEADDR: u8 = 0x22;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COMSCANINC`
[INFO] [stdout]   --> src/command_ids.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const COMSCANINC: u8 = 0xC0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXTERNALVCC`
[INFO] [stdout]   --> src/command_ids.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const EXTERNALVCC: u8 = 0x1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SWITCHCAPVCC`
[INFO] [stdout]   --> src/command_ids.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const SWITCHCAPVCC: u8 = 0x2;
[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 2.03s
[INFO] running `Command { std: "docker" "inspect" "94e3464887228e5c0089618387f446e131994c70be8bfcfce8870354a41bb2c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e3464887228e5c0089618387f446e131994c70be8bfcfce8870354a41bb2c5", kill_on_drop: false }`
[INFO] [stdout] 94e3464887228e5c0089618387f446e131994c70be8bfcfce8870354a41bb2c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0349420cafb32825a64a85c51cdd99c2ae012aa46729b6c3418931454aa57342
[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" "0349420cafb32825a64a85c51cdd99c2ae012aa46729b6c3418931454aa57342", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpi-display-driver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `INVERTDISPLAY`
[INFO] [stdout]  --> src/command_ids.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const INVERTDISPLAY: u8 = 0xA7;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SETLOWCOLUMN`
[INFO] [stdout]   --> src/command_ids.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const SETLOWCOLUMN: u8 = 0x00;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SETHIGHCOLUMN`
[INFO] [stdout]   --> src/command_ids.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const SETHIGHCOLUMN: u8 = 0x10;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COLUMNADDR`
[INFO] [stdout]   --> src/command_ids.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const COLUMNADDR: u8 = 0x21;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PAGEADDR`
[INFO] [stdout]   --> src/command_ids.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub const PAGEADDR: u8 = 0x22;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COMSCANINC`
[INFO] [stdout]   --> src/command_ids.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const COMSCANINC: u8 = 0xC0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXTERNALVCC`
[INFO] [stdout]   --> src/command_ids.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const EXTERNALVCC: u8 = 0x1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SWITCHCAPVCC`
[INFO] [stdout]   --> src/command_ids.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const SWITCHCAPVCC: u8 = 0x2;
[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 0.45s
[INFO] running `Command { std: "docker" "inspect" "0349420cafb32825a64a85c51cdd99c2ae012aa46729b6c3418931454aa57342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0349420cafb32825a64a85c51cdd99c2ae012aa46729b6c3418931454aa57342", kill_on_drop: false }`
[INFO] [stdout] 0349420cafb32825a64a85c51cdd99c2ae012aa46729b6c3418931454aa57342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa4d0b127760f97e21f7d4cfe78238ecfa75e123f455cada60e1e81251680720
[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" "aa4d0b127760f97e21f7d4cfe78238ecfa75e123f455cada60e1e81251680720", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: constant is never used: `INVERTDISPLAY`
[INFO] [stderr]  --> src/command_ids.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const INVERTDISPLAY: u8 = 0xA7;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `SETLOWCOLUMN`
[INFO] [stderr]   --> src/command_ids.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub const SETLOWCOLUMN: u8 = 0x00;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `SETHIGHCOLUMN`
[INFO] [stderr]   --> src/command_ids.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub const SETHIGHCOLUMN: u8 = 0x10;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `COLUMNADDR`
[INFO] [stderr]   --> src/command_ids.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub const COLUMNADDR: u8 = 0x21;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `PAGEADDR`
[INFO] [stderr]   --> src/command_ids.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub const PAGEADDR: u8 = 0x22;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `COMSCANINC`
[INFO] [stderr]   --> src/command_ids.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub const COMSCANINC: u8 = 0xC0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `EXTERNALVCC`
[INFO] [stderr]   --> src/command_ids.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub const EXTERNALVCC: u8 = 0x1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `SWITCHCAPVCC`
[INFO] [stderr]   --> src/command_ids.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub const SWITCHCAPVCC: u8 = 0x2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rpi_display_driver-a37f438226e74ff0)
[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" "aa4d0b127760f97e21f7d4cfe78238ecfa75e123f455cada60e1e81251680720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4d0b127760f97e21f7d4cfe78238ecfa75e123f455cada60e1e81251680720", kill_on_drop: false }`
[INFO] [stdout] aa4d0b127760f97e21f7d4cfe78238ecfa75e123f455cada60e1e81251680720