[INFO] updating cached repository https://github.com/sverrejb/bankrs
[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] 644fe33e74ef446be062949664f7dcbb76a6a473
[INFO] checking sverrejb/bankrs against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsverrejb%2Fbankrs" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sverrejb/bankrs 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/sverrejb/bankrs
[INFO] finished tweaking git repo https://github.com/sverrejb/bankrs
[INFO] tweaked toml for git repo https://github.com/sverrejb/bankrs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sverrejb/bankrs 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c97c4bde034801ce78297b99fa6bafb2bf091dd27633d7285622407616f9a791
[INFO] running `"docker" "start" "-a" "c97c4bde034801ce78297b99fa6bafb2bf091dd27633d7285622407616f9a791"`
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking backtrace-sys v0.1.30
[INFO] [stderr]     Checking openssl v0.10.23
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.18
[INFO] [stderr]     Checking bankrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `balance`
[INFO] [stderr]  --> src/banklib.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let balance = String::from("Balance:");
[INFO] [stderr]   |         ^^^^^^^ help: consider prefixing with an underscore: `_balance`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `balance`
[INFO] [stderr]  --> src/banklib.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let balance = String::from("Balance:");
[INFO] [stderr]   |         ^^^^^^^ help: consider prefixing with an underscore: `_balance`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.16s
[INFO] running `"docker" "inspect" "c97c4bde034801ce78297b99fa6bafb2bf091dd27633d7285622407616f9a791"`
[INFO] running `"docker" "rm" "-f" "c97c4bde034801ce78297b99fa6bafb2bf091dd27633d7285622407616f9a791"`
[INFO] [stdout] c97c4bde034801ce78297b99fa6bafb2bf091dd27633d7285622407616f9a791