Dec 04 11:32:18.110 INFO checking robot-head/led_dash against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 11:32:18.110 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 11:32:18.308 INFO [stdout] a4f68beae8a18bae52554aa7fe0814420b083dc3a22f6864fdcfce6759d59caf
Dec 04 11:32:18.310 INFO running `"docker" "start" "-a" "a4f68beae8a18bae52554aa7fe0814420b083dc3a22f6864fdcfce6759d59caf"`
Dec 04 11:32:18.921 INFO [stderr] usermod: no changes
Dec 04 11:32:19.199 INFO [stderr]     Checking memchr v2.0.1
Dec 04 11:32:19.199 INFO [stderr]     Checking memchr v1.0.2
Dec 04 11:32:19.211 INFO [stderr]     Checking filetime v0.1.15
Dec 04 11:32:19.215 INFO [stderr]     Checking base64 v0.7.0
Dec 04 11:32:19.215 INFO [stderr]     Checking tempdir v0.3.7
Dec 04 11:32:19.215 INFO [stderr]     Checking threadpool v1.7.1
Dec 04 11:32:19.223 INFO [stderr]     Checking clap v2.31.2
Dec 04 11:32:19.223 INFO [stderr]     Checking uuid v0.1.18
Dec 04 11:32:20.123 INFO [stderr]     Checking brotli-sys v0.2.1
Dec 04 11:32:20.159 INFO [stderr]     Checking serde_json v1.0.19
Dec 04 11:32:20.523 INFO [stderr]     Checking chrono v0.4.2
Dec 04 11:32:20.659 INFO [stderr]     Checking buf_redux v0.6.3
Dec 04 11:32:21.140 INFO [stderr]     Checking twoway v0.1.8
Dec 04 11:32:21.260 INFO [stderr]     Checking num v0.1.42
Dec 04 11:32:21.335 INFO [stderr]     Checking gzip-header v0.1.2
Dec 04 11:32:21.548 INFO [stderr]     Checking brotli2 v0.2.2
Dec 04 11:32:21.975 INFO [stderr]     Checking url v0.2.38
Dec 04 11:32:22.783 INFO [stderr]     Checking chrono v0.2.25
Dec 04 11:32:22.795 INFO [stderr]    Compiling mime_guess v1.8.4
Dec 04 11:32:22.799 INFO [stderr]     Checking deflate v0.7.18
Dec 04 11:32:27.310 INFO [stderr]     Checking tiny_http v0.5.9
Dec 04 11:32:28.174 INFO [stderr]     Checking multipart v0.13.6
Dec 04 11:32:29.207 INFO [stderr]     Checking rouille v2.1.0
Dec 04 11:32:31.411 INFO [stderr]     Checking led_dash v0.1.0 (/source)
Dec 04 11:32:34.082 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 04 11:32:34.082 INFO [stderr]  --> src/main.rs:1:12
Dec 04 11:32:34.082 INFO [stderr]   |
Dec 04 11:32:34.082 INFO [stderr] 1 | #![feature(proc_macro)]
Dec 04 11:32:34.082 INFO [stderr]   |            ^^^^^^^^^^
Dec 04 11:32:34.082 INFO [stderr]   |
Dec 04 11:32:34.082 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 04 11:32:34.082 INFO [stderr] 
Dec 04 11:32:34.203 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 04 11:32:34.203 INFO [stderr]  --> src/main.rs:1:12
Dec 04 11:32:34.203 INFO [stderr]   |
Dec 04 11:32:34.203 INFO [stderr] 1 | #![feature(proc_macro)]
Dec 04 11:32:34.203 INFO [stderr]   |            ^^^^^^^^^^
Dec 04 11:32:34.203 INFO [stderr]   |
Dec 04 11:32:34.203 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 04 11:32:34.203 INFO [stderr] 
Dec 04 11:32:34.231 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.27s
Dec 04 11:32:34.255 INFO [stderr] su: No module specific data is present
Dec 04 11:32:35.592 INFO running `"docker" "inspect" "a4f68beae8a18bae52554aa7fe0814420b083dc3a22f6864fdcfce6759d59caf"`
Dec 04 11:32:35.860 INFO running `"docker" "rm" "-f" "a4f68beae8a18bae52554aa7fe0814420b083dc3a22f6864fdcfce6759d59caf"`
Dec 04 11:32:36.075 INFO [stdout] a4f68beae8a18bae52554aa7fe0814420b083dc3a22f6864fdcfce6759d59caf