[INFO] cloning repository https://github.com/lukad/rgb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukad/rgb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukad%2Frgb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukad%2Frgb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78766fd3c98f12afebbccaf95e201e74ff7d5389
[INFO] checking lukad/rgb against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukad%2Frgb" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukad/rgb
[INFO] finished tweaking git repo https://github.com/lukad/rgb
[INFO] tweaked toml for git repo https://github.com/lukad/rgb written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukad/rgb on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lukad/rgb 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eadbaa7840fba08be7ec1b4f73f7659ed2c10baab164cb1c89d1eb85665c1cd2
[INFO] running `Command { std: "docker" "start" "-a" "eadbaa7840fba08be7ec1b4f73f7659ed2c10baab164cb1c89d1eb85665c1cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eadbaa7840fba08be7ec1b4f73f7659ed2c10baab164cb1c89d1eb85665c1cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eadbaa7840fba08be7ec1b4f73f7659ed2c10baab164cb1c89d1eb85665c1cd2", kill_on_drop: false }`
[INFO] [stdout] eadbaa7840fba08be7ec1b4f73f7659ed2c10baab164cb1c89d1eb85665c1cd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cb27409c4c395084f51ecad6683c7c11082b654c379ee570fba2983b59cd615
[INFO] running `Command { std: "docker" "start" "-a" "3cb27409c4c395084f51ecad6683c7c11082b654c379ee570fba2983b59cd615", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking rgb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `tile_set` and `canvas_buffer` are never read
[INFO] [stdout]   --> src/gpu.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct GPU {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 10 |     pub ram: [u8; VIDEO_RAM_SIZE],
[INFO] [stdout] 11 |     pub tile_set: [Tile; TILE_SET_SIZE],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 12 |     pub canvas_buffer: [u8; PIXEL_COUNT],
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tile_set` and `canvas_buffer` are never read
[INFO] [stdout]   --> src/gpu.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct GPU {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 10 |     pub ram: [u8; VIDEO_RAM_SIZE],
[INFO] [stdout] 11 |     pub tile_set: [Tile; TILE_SET_SIZE],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 12 |     pub canvas_buffer: [u8; PIXEL_COUNT],
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "3cb27409c4c395084f51ecad6683c7c11082b654c379ee570fba2983b59cd615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb27409c4c395084f51ecad6683c7c11082b654c379ee570fba2983b59cd615", kill_on_drop: false }`
[INFO] [stdout] 3cb27409c4c395084f51ecad6683c7c11082b654c379ee570fba2983b59cd615