[INFO] cloning repository https://github.com/acedogblast/rust-image-utils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acedogblast/rust-image-utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facedogblast%2Frust-image-utils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facedogblast%2Frust-image-utils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 762cc95b8267a6e2be6817818cc5f762d0a18fa4
[INFO] checking acedogblast/rust-image-utils against try#723ab942d877517caf445dafde0416803ef56501 for pr-143857
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facedogblast%2Frust-image-utils" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/acedogblast/rust-image-utils
[INFO] finished tweaking git repo https://github.com/acedogblast/rust-image-utils
[INFO] tweaked toml for git repo https://github.com/acedogblast/rust-image-utils written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/acedogblast/rust-image-utils on toolchain 723ab942d877517caf445dafde0416803ef56501
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+723ab942d877517caf445dafde0416803ef56501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/acedogblast/rust-image-utils 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" "+723ab942d877517caf445dafde0416803ef56501" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+723ab942d877517caf445dafde0416803ef56501" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a6b834fcbe17d992a6b24bf04a4e6aafa21f36c16679eb7bf84e41870ace0ea
[INFO] running `Command { std: "docker" "start" "-a" "3a6b834fcbe17d992a6b24bf04a4e6aafa21f36c16679eb7bf84e41870ace0ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a6b834fcbe17d992a6b24bf04a4e6aafa21f36c16679eb7bf84e41870ace0ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6b834fcbe17d992a6b24bf04a4e6aafa21f36c16679eb7bf84e41870ace0ea", kill_on_drop: false }`
[INFO] [stdout] 3a6b834fcbe17d992a6b24bf04a4e6aafa21f36c16679eb7bf84e41870ace0ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+723ab942d877517caf445dafde0416803ef56501" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80d603df99f4fbe44961cf294c45fadd5dced82cf12898ec270593c72e889549
[INFO] running `Command { std: "docker" "start" "-a" "80d603df99f4fbe44961cf294c45fadd5dced82cf12898ec270593c72e889549", kill_on_drop: false }`
[INFO] [stderr]     Checking jpeg_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]  --> src/utils/image.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Image {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 4 |     pub height: u32,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_pixel` is never used
[INFO] [stdout]   --> src/utils/image.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Image { // Assumes top left corner is (0,0)
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn set_pixel(&mut self, x: u32, y: u32, pixel: Pixel<u8>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]  --> src/utils/image.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Image {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 4 |     pub height: u32,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_pixel` is never used
[INFO] [stdout]   --> src/utils/image.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Image { // Assumes top left corner is (0,0)
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn set_pixel(&mut self, x: u32, y: u32, pixel: Pixel<u8>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "80d603df99f4fbe44961cf294c45fadd5dced82cf12898ec270593c72e889549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80d603df99f4fbe44961cf294c45fadd5dced82cf12898ec270593c72e889549", kill_on_drop: false }`
[INFO] [stdout] 80d603df99f4fbe44961cf294c45fadd5dced82cf12898ec270593c72e889549