[INFO] updating cached repository https://github.com/doums/milcheck
[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] 63bd604845ecc6c0fdcaeea0ed2e90df1519a346
[INFO] checking doums/milcheck against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoums%2Fmilcheck" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/doums/milcheck on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/doums/milcheck
[INFO] finished tweaking git repo https://github.com/doums/milcheck
[INFO] tweaked toml for git repo https://github.com/doums/milcheck written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/doums/milcheck already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/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" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8a0a433f89886809001353b783bdcff0be736ab35ce500d760f3f2b2e2502ce0
[INFO] running `"docker" "start" "-a" "8a0a433f89886809001353b783bdcff0be736ab35ce500d760f3f2b2e2502ce0"`
[INFO] [stderr]     Checking milcheck v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `input_handle`
[INFO] [stderr]   --> src/event.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     input_handle: JoinHandle<Result<(), Error>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `tick_handle`
[INFO] [stderr]   --> src/event.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     tick_handle: JoinHandle<Result<(), Error>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `finish`
[INFO] [stderr]   --> src/event.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn finish(self) -> Result<(), Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `input_handle`
[INFO] [stderr]   --> src/event.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     input_handle: JoinHandle<Result<(), Error>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `tick_handle`
[INFO] [stderr]   --> src/event.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     tick_handle: JoinHandle<Result<(), Error>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `finish`
[INFO] [stderr]   --> src/event.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn finish(self) -> Result<(), Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `flag`
[INFO] [stderr]    --> src/cli.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 | /     pub fn flag(
[INFO] [stderr] 132 | |         &mut self,
[INFO] [stderr] 133 | |         name: &'static str,
[INFO] [stderr] 134 | |         short: char,
[INFO] [stderr] ...   |
[INFO] [stderr] 139 | |         self
[INFO] [stderr] 140 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `flag`
[INFO] [stderr]    --> src/cli.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 | /     pub fn flag(
[INFO] [stderr] 132 | |         &mut self,
[INFO] [stderr] 133 | |         name: &'static str,
[INFO] [stderr] 134 | |         short: char,
[INFO] [stderr] ...   |
[INFO] [stderr] 139 | |         self
[INFO] [stderr] 140 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.58s
[INFO] running `"docker" "inspect" "8a0a433f89886809001353b783bdcff0be736ab35ce500d760f3f2b2e2502ce0"`
[INFO] running `"docker" "rm" "-f" "8a0a433f89886809001353b783bdcff0be736ab35ce500d760f3f2b2e2502ce0"`
[INFO] [stdout] 8a0a433f89886809001353b783bdcff0be736ab35ce500d760f3f2b2e2502ce0