[INFO] fetching crate river-rs 0.3.3...
[INFO] checking river-rs-0.3.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate river-rs 0.3.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate river-rs 0.3.3
[INFO] finished tweaking crates.io crate river-rs 0.3.3
[INFO] tweaked toml for crates.io crate river-rs 0.3.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate river-rs 0.3.3 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 crates.io crate river-rs 0.3.3 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] 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 871ba4f8d1f6f59af6a499c097d252d6a594751fa3a8fcd160091c5e7dbd2a65
[INFO] running `Command { std: "docker" "start" "-a" "871ba4f8d1f6f59af6a499c097d252d6a594751fa3a8fcd160091c5e7dbd2a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "871ba4f8d1f6f59af6a499c097d252d6a594751fa3a8fcd160091c5e7dbd2a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "871ba4f8d1f6f59af6a499c097d252d6a594751fa3a8fcd160091c5e7dbd2a65", kill_on_drop: false }`
[INFO] [stdout] 871ba4f8d1f6f59af6a499c097d252d6a594751fa3a8fcd160091c5e7dbd2a65
[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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d61af6ef4ff87d24e4d0acde729824cf4e484a7102a17f99c424f329e5767304
[INFO] running `Command { std: "docker" "start" "-a" "d61af6ef4ff87d24e4d0acde729824cf4e484a7102a17f99c424f329e5767304", kill_on_drop: false }`
[INFO] [stderr]     Checking river-rs v0.3.3 (/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:375:8
[INFO] [stdout]     |
[INFO] [stdout] 236 | impl Config {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 375 |     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:375:8
[INFO] [stdout]     |
[INFO] [stdout] 236 | impl Config {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 375 |     fn apply_colors(&mut self) -> &mut Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "d61af6ef4ff87d24e4d0acde729824cf4e484a7102a17f99c424f329e5767304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61af6ef4ff87d24e4d0acde729824cf4e484a7102a17f99c424f329e5767304", kill_on_drop: false }`
[INFO] [stdout] d61af6ef4ff87d24e4d0acde729824cf4e484a7102a17f99c424f329e5767304