[INFO] cloning repository https://github.com/Yappaholic/river-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yappaholic/river-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYappaholic%2Friver-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYappaholic%2Friver-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d7e17b300717b8d575da3a76c8fcc455b2bca94
[INFO] checking Yappaholic/river-rs against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYappaholic%2Friver-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Yappaholic/river-rs
[INFO] finished tweaking git repo https://github.com/Yappaholic/river-rs
[INFO] tweaked toml for git repo https://github.com/Yappaholic/river-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Yappaholic/river-rs on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Yappaholic/river-rs 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d35b49aa9e281d93cdb8cd67e2c99ed4744c8b6232d5aea70d410a33765a749
[INFO] running `Command { std: "docker" "start" "-a" "4d35b49aa9e281d93cdb8cd67e2c99ed4744c8b6232d5aea70d410a33765a749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d35b49aa9e281d93cdb8cd67e2c99ed4744c8b6232d5aea70d410a33765a749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d35b49aa9e281d93cdb8cd67e2c99ed4744c8b6232d5aea70d410a33765a749", kill_on_drop: false }`
[INFO] [stdout] 4d35b49aa9e281d93cdb8cd67e2c99ed4744c8b6232d5aea70d410a33765a749
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63b616e742d72283d4a5566699b3038b78a265d7c46ccb629e38e918bb35152a
[INFO] running `Command { std: "docker" "start" "-a" "63b616e742d72283d4a5566699b3038b78a265d7c46ccb629e38e918bb35152a", kill_on_drop: false }`
[INFO] [stderr]     Checking river-rs v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `colors` is never read
[INFO] [stdout]   --> src/config.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 34 |     keybinds: Vec<Keybind>,
[INFO] [stdout] 35 |     colors: Colors,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `apply_colors` is never used
[INFO] [stdout]    --> src/config.rs:360:8
[INFO] [stdout]     |
[INFO] [stdout] 221 | impl Config {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 360 |     fn apply_colors(&mut self) -> &mut Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `colors` is never read
[INFO] [stdout]   --> src/config.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 34 |     keybinds: Vec<Keybind>,
[INFO] [stdout] 35 |     colors: Colors,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `apply_colors` is never used
[INFO] [stdout]    --> src/config.rs:360:8
[INFO] [stdout]     |
[INFO] [stdout] 221 | impl Config {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 360 |     fn apply_colors(&mut self) -> &mut Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "63b616e742d72283d4a5566699b3038b78a265d7c46ccb629e38e918bb35152a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b616e742d72283d4a5566699b3038b78a265d7c46ccb629e38e918bb35152a", kill_on_drop: false }`
[INFO] [stdout] 63b616e742d72283d4a5566699b3038b78a265d7c46ccb629e38e918bb35152a