[INFO] fetching crate ch14_guessing_game_yeomiji 0.1.0...
[INFO] checking ch14_guessing_game_yeomiji-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate ch14_guessing_game_yeomiji 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ch14_guessing_game_yeomiji 0.1.0
[INFO] finished tweaking crates.io crate ch14_guessing_game_yeomiji 0.1.0
[INFO] tweaked toml for crates.io crate ch14_guessing_game_yeomiji 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ch14_guessing_game_yeomiji 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ch14_guessing_game_yeomiji 0.1.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11c163bea4b7a8dedcbbc18bf9b0cd0eaa236fa54cbd31698cad9a8c85aa573d
[INFO] running `Command { std: "docker" "start" "-a" "11c163bea4b7a8dedcbbc18bf9b0cd0eaa236fa54cbd31698cad9a8c85aa573d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11c163bea4b7a8dedcbbc18bf9b0cd0eaa236fa54cbd31698cad9a8c85aa573d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11c163bea4b7a8dedcbbc18bf9b0cd0eaa236fa54cbd31698cad9a8c85aa573d", kill_on_drop: false }`
[INFO] [stdout] 11c163bea4b7a8dedcbbc18bf9b0cd0eaa236fa54cbd31698cad9a8c85aa573d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aedb393b741c2c57a001a24d4f2884eb77d3c917eb46315f05b425d51a686d7e
[INFO] running `Command { std: "docker" "start" "-a" "aedb393b741c2c57a001a24d4f2884eb77d3c917eb46315f05b425d51a686d7e", kill_on_drop: false }`
[INFO] [stderr]     Checking ch14_guessing_game_yeomiji v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:41:16
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:41:16
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "aedb393b741c2c57a001a24d4f2884eb77d3c917eb46315f05b425d51a686d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aedb393b741c2c57a001a24d4f2884eb77d3c917eb46315f05b425d51a686d7e", kill_on_drop: false }`
[INFO] [stdout] aedb393b741c2c57a001a24d4f2884eb77d3c917eb46315f05b425d51a686d7e