Dec 04 21:11:19.349 INFO checking ccutch/hairball against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 21:11:19.349 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 21:11:19.821 INFO [stdout] 7d7e8c4f26d42da6148e0e2c9e51db69337729dafd0ad966ebc42b41ae7dafc5
Dec 04 21:11:19.831 INFO running `"docker" "start" "-a" "7d7e8c4f26d42da6148e0e2c9e51db69337729dafd0ad966ebc42b41ae7dafc5"`
Dec 04 21:11:20.839 INFO [stderr] usermod: no changes
Dec 04 21:11:20.987 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 04 21:11:23.803 INFO [stderr]    Compiling rayon v0.8.2
Dec 04 21:11:27.243 INFO [stderr]    Compiling ring v0.12.1
Dec 04 21:11:35.295 INFO [stderr]     Checking hairball v0.1.1 (/source)
Dec 04 21:11:36.088 INFO [stderr] warning: field is never used: `user`
Dec 04 21:11:36.088 INFO [stderr]   --> src/main.rs:92:5
Dec 04 21:11:36.088 INFO [stderr]    |
Dec 04 21:11:36.088 INFO [stderr] 92 |     user: User,
Dec 04 21:11:36.088 INFO [stderr]    |     ^^^^^^^^^^
Dec 04 21:11:36.088 INFO [stderr]    |
Dec 04 21:11:36.088 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 21:11:36.088 INFO [stderr] 
Dec 04 21:11:36.088 INFO [stderr] warning: field is never used: `config`
Dec 04 21:11:36.088 INFO [stderr]   --> src/main.rs:93:5
Dec 04 21:11:36.088 INFO [stderr]    |
Dec 04 21:11:36.088 INFO [stderr] 93 |     config: Config,
Dec 04 21:11:36.088 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 04 21:11:36.089 INFO [stderr] 
Dec 04 21:11:36.089 INFO [stderr] warning: field is never used: `messages`
Dec 04 21:11:36.089 INFO [stderr]   --> src/main.rs:94:5
Dec 04 21:11:36.089 INFO [stderr]    |
Dec 04 21:11:36.089 INFO [stderr] 94 |     messages: Vec<Message>,
Dec 04 21:11:36.089 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:11:36.089 INFO [stderr] 
Dec 04 21:11:36.411 INFO [stderr] warning: field is never used: `user`
Dec 04 21:11:36.411 INFO [stderr]   --> src/main.rs:92:5
Dec 04 21:11:36.411 INFO [stderr]    |
Dec 04 21:11:36.411 INFO [stderr] 92 |     user: User,
Dec 04 21:11:36.411 INFO [stderr]    |     ^^^^^^^^^^
Dec 04 21:11:36.411 INFO [stderr]    |
Dec 04 21:11:36.411 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 21:11:36.411 INFO [stderr] 
Dec 04 21:11:36.411 INFO [stderr] warning: field is never used: `config`
Dec 04 21:11:36.411 INFO [stderr]   --> src/main.rs:93:5
Dec 04 21:11:36.411 INFO [stderr]    |
Dec 04 21:11:36.411 INFO [stderr] 93 |     config: Config,
Dec 04 21:11:36.411 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 04 21:11:36.411 INFO [stderr] 
Dec 04 21:11:36.411 INFO [stderr] warning: field is never used: `messages`
Dec 04 21:11:36.411 INFO [stderr]   --> src/main.rs:94:5
Dec 04 21:11:36.411 INFO [stderr]    |
Dec 04 21:11:36.411 INFO [stderr] 94 |     messages: Vec<Message>,
Dec 04 21:11:36.411 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:11:36.411 INFO [stderr] 
Dec 04 21:11:36.451 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.59s
Dec 04 21:11:36.456 INFO [stderr] su: No module specific data is present
Dec 04 21:11:37.581 INFO running `"docker" "inspect" "7d7e8c4f26d42da6148e0e2c9e51db69337729dafd0ad966ebc42b41ae7dafc5"`
Dec 04 21:11:37.851 INFO running `"docker" "rm" "-f" "7d7e8c4f26d42da6148e0e2c9e51db69337729dafd0ad966ebc42b41ae7dafc5"`
Dec 04 21:11:38.136 INFO [stdout] 7d7e8c4f26d42da6148e0e2c9e51db69337729dafd0ad966ebc42b41ae7dafc5