[INFO] updating cached repository https://github.com/song9446/r2d2-beanstalkd
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 6a0a2b7543dfd26880460549e1c085ceb3390f3a
[INFO] checking song9446/r2d2-beanstalkd against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsong9446%2Fr2d2-beanstalkd" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/song9446/r2d2-beanstalkd on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/song9446/r2d2-beanstalkd
[INFO] finished tweaking git repo https://github.com/song9446/r2d2-beanstalkd
[INFO] tweaked toml for git repo https://github.com/song9446/r2d2-beanstalkd written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/song9446/r2d2-beanstalkd already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 04f7e77f69c67412b0ebe228f5be97bd3614f200f24e26cab9fe00134e165a12
[INFO] running `"docker" "start" "-a" "04f7e77f69c67412b0ebe228f5be97bd3614f200f24e26cab9fe00134e165a12"`
[INFO] [stderr]     Checking beanstalkd v0.4.1 (https://github.com/song9446/rust-beanstalkd#03fb0070)
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking r2d2 v0.8.5
[INFO] [stderr]     Checking r2d2_beanstalkd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `conn`
[INFO] [stderr]   --> src/lib.rs:75:26
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn has_broken(&self, conn: &mut Client) -> bool {
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_conn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `conn`
[INFO] [stderr]   --> src/lib.rs:75:26
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn has_broken(&self, conn: &mut Client) -> bool {
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_conn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `"docker" "inspect" "04f7e77f69c67412b0ebe228f5be97bd3614f200f24e26cab9fe00134e165a12"`
[INFO] running `"docker" "rm" "-f" "04f7e77f69c67412b0ebe228f5be97bd3614f200f24e26cab9fe00134e165a12"`
[INFO] [stdout] 04f7e77f69c67412b0ebe228f5be97bd3614f200f24e26cab9fe00134e165a12