[INFO] crate learn_crate_io 0.1.0 is already in cache
[INFO] checking learn_crate_io-0.1.0 against master#b1f395de642e8be7bcbbd2bd8aaadab715851f49 for pr-69410
[INFO] extracting crate learn_crate_io 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate learn_crate_io 0.1.0 on toolchain b1f395de642e8be7bcbbd2bd8aaadab715851f49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate learn_crate_io 0.1.0
[INFO] finished tweaking crates.io crate learn_crate_io 0.1.0
[INFO] tweaked toml for crates.io crate learn_crate_io 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate learn_crate_io 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e5de609f815ab1c862e3be03e3655d2866bc01b0073284ecc25950017467065
[INFO] running `"docker" "start" "-a" "7e5de609f815ab1c862e3be03e3655d2866bc01b0073284ecc25950017467065"`
[INFO] [stderr]     Checking learn_crate_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `c1`
[INFO] [stderr]   --> src/lib.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stderr]    |                ^^ help: consider prefixing with an underscore: `_c1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c2`
[INFO] [stderr]   --> src/lib.rs:29:34
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stderr]    |                                  ^^ help: consider prefixing with an underscore: `_c2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c1`
[INFO] [stderr]   --> src/lib.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stderr]    |                ^^ help: consider prefixing with an underscore: `_c1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c2`
[INFO] [stderr]   --> src/lib.rs:29:34
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stderr]    |                                  ^^ help: consider prefixing with an underscore: `_c2`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "7e5de609f815ab1c862e3be03e3655d2866bc01b0073284ecc25950017467065"`
[INFO] running `"docker" "rm" "-f" "7e5de609f815ab1c862e3be03e3655d2866bc01b0073284ecc25950017467065"`
[INFO] [stdout] 7e5de609f815ab1c862e3be03e3655d2866bc01b0073284ecc25950017467065