[INFO] updating cached repository https://github.com/Merik88/keyboard-walker
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 89f6524333a04f7e302833050a3194763145f6ad
[INFO] checking Merik88/keyboard-walker against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMerik88%2Fkeyboard-walker" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Merik88/keyboard-walker on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Merik88/keyboard-walker
[INFO] finished tweaking git repo https://github.com/Merik88/keyboard-walker
[INFO] tweaked toml for git repo https://github.com/Merik88/keyboard-walker written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Merik88/keyboard-walker already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] 34b25bc6c043c145fa9c70ba9da8d02c9fd20cc055c0bb5826f5771ca5c009bb
[INFO] running `"docker" "start" "-a" "34b25bc6c043c145fa9c70ba9da8d02c9fd20cc055c0bb5826f5771ca5c009bb"`
[INFO] [stderr]     Checking strum v0.11.0
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling strum_macros v0.11.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking keyboard-walker v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:91:78
[INFO] [stderr]    |
[INFO] [stderr] 91 |         Err(why) => panic!("couldn't create {}: {}", filepath.display(), why.description()),
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:91:78
[INFO] [stderr]    |
[INFO] [stderr] 91 |         Err(why) => panic!("couldn't create {}: {}", filepath.display(), why.description()),
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `"docker" "inspect" "34b25bc6c043c145fa9c70ba9da8d02c9fd20cc055c0bb5826f5771ca5c009bb"`
[INFO] running `"docker" "rm" "-f" "34b25bc6c043c145fa9c70ba9da8d02c9fd20cc055c0bb5826f5771ca5c009bb"`
[INFO] [stdout] 34b25bc6c043c145fa9c70ba9da8d02c9fd20cc055c0bb5826f5771ca5c009bb