[INFO] cloning repository https://github.com/sarahkittyy/rpi-epaper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sarahkittyy/rpi-epaper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarahkittyy%2Frpi-epaper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarahkittyy%2Frpi-epaper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5205507fb01a95c36f4921145940ce2d3d0920d4
[INFO] checking sarahkittyy/rpi-epaper against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarahkittyy%2Frpi-epaper" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/sarahkittyy/rpi-epaper
[INFO] finished tweaking git repo https://github.com/sarahkittyy/rpi-epaper
[INFO] tweaked toml for git repo https://github.com/sarahkittyy/rpi-epaper written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sarahkittyy/rpi-epaper on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sarahkittyy/rpi-epaper 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a33e71ab29a72a3cb13e3e04756ecbb3f84462938ef282972941cf9c17b9726c
[INFO] running `Command { std: "docker" "start" "a33e71ab29a72a3cb13e3e04756ecbb3f84462938ef282972941cf9c17b9726c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a33e71ab29a72a3cb13e3e04756ecbb3f84462938ef282972941cf9c17b9726c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a33e71ab29a72a3cb13e3e04756ecbb3f84462938ef282972941cf9c17b9726c" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a33e71ab29a72a3cb13e3e04756ecbb3f84462938ef282972941cf9c17b9726c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a33e71ab29a72a3cb13e3e04756ecbb3f84462938ef282972941cf9c17b9726c" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bmp v0.5.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rppal v0.18.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rpi-epaper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `RandomColors` is never constructed
[INFO] [stdout]   --> src/draw.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct RandomColors;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SequentialColors` is never constructed
[INFO] [stdout]   --> src/draw.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct SequentialColors;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Partial` is never constructed
[INFO] [stdout]   --> src/draw.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct Partial<'a, D: Drawable> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Rgb`
[INFO] [stdout]    --> src/main.rs:174:43
[INFO] [stdout]     |
[INFO] [stdout] 174 |             let newpixel = Color::closest(oldpixel.into());
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 174 -             let newpixel = Color::closest(oldpixel.into());
[INFO] [stdout] 174 +             let newpixel = Color::closest(oldpixel);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 174 -             let newpixel = Color::closest(oldpixel.into());
[INFO] [stdout] 174 +             let newpixel = Color::closest(<Rgb as Into<_>>::into(oldpixel));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rpi-epaper` (bin "rpi-epaper") due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `RandomColors` is never constructed
[INFO] [stdout]   --> src/draw.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct RandomColors;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SequentialColors` is never constructed
[INFO] [stdout]   --> src/draw.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct SequentialColors;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Partial` is never constructed
[INFO] [stdout]   --> src/draw.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct Partial<'a, D: Drawable> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Rgb`
[INFO] [stdout]    --> src/main.rs:174:43
[INFO] [stdout]     |
[INFO] [stdout] 174 |             let newpixel = Color::closest(oldpixel.into());
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 174 -             let newpixel = Color::closest(oldpixel.into());
[INFO] [stdout] 174 +             let newpixel = Color::closest(oldpixel);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 174 -             let newpixel = Color::closest(oldpixel.into());
[INFO] [stdout] 174 +             let newpixel = Color::closest(<Rgb as Into<_>>::into(oldpixel));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rpi-epaper` (bin "rpi-epaper" test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a33e71ab29a72a3cb13e3e04756ecbb3f84462938ef282972941cf9c17b9726c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33e71ab29a72a3cb13e3e04756ecbb3f84462938ef282972941cf9c17b9726c", kill_on_drop: false }`
[INFO] [stdout] a33e71ab29a72a3cb13e3e04756ecbb3f84462938ef282972941cf9c17b9726c
