[INFO] cloning repository https://github.com/doums/milcheck
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/doums/milcheck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoums%2Fmilcheck"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoums%2Fmilcheck'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c8580a6b28076ebe28ea971fbaa1aea34854aba8
[INFO] checking doums/milcheck against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoums%2Fmilcheck" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/doums/milcheck on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "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 /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/doums/milcheck already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] 205e053c16abf7e207acf62ace432d7fa9b59f3f33d958eea40d5e03f2217937
[INFO] running `"docker" "start" "-a" "205e053c16abf7e207acf62ace432d7fa9b59f3f33d958eea40d5e03f2217937"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking milcheck v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `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 read: `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: associated function is never used: `finish`
[INFO] [stderr]   --> src/event.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn finish(self) -> Result<(), Error> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `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 read: `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: associated function is never used: `finish`
[INFO] [stderr]   --> src/event.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn finish(self) -> Result<(), Error> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `flag`
[INFO] [stderr]    --> src/cli.rs:131:12
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn flag(
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `flag`
[INFO] [stderr]    --> src/cli.rs:131:12
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn flag(
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.57s
[INFO] running `"docker" "inspect" "205e053c16abf7e207acf62ace432d7fa9b59f3f33d958eea40d5e03f2217937"`
[INFO] running `"docker" "rm" "-f" "205e053c16abf7e207acf62ace432d7fa9b59f3f33d958eea40d5e03f2217937"`
[INFO] [stdout] 205e053c16abf7e207acf62ace432d7fa9b59f3f33d958eea40d5e03f2217937