Dec 01 04:41:28.946 INFO testing robot-head/led_dash against 1.30.1 for beta-1.31-5
Dec 01 04:41:28.947 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 04:41:29.151 INFO [stdout] 559b0a9788fe5098f3a2088a3274f78aa957c6b1982b88f9a635c704abfef297
Dec 01 04:41:29.152 INFO running `"docker" "start" "-a" "559b0a9788fe5098f3a2088a3274f78aa957c6b1982b88f9a635c704abfef297"`
Dec 01 04:41:29.577 INFO [stderr] usermod: no changes
Dec 01 04:41:29.834 INFO [stderr]    Compiling memchr v1.0.2
Dec 01 04:41:29.834 INFO [stderr]    Compiling memchr v2.0.1
Dec 01 04:41:29.851 INFO [stderr]    Compiling atty v0.2.10
Dec 01 04:41:29.851 INFO [stderr]    Compiling hostname v0.1.5
Dec 01 04:41:29.851 INFO [stderr]    Compiling filetime v0.1.15
Dec 01 04:41:29.851 INFO [stderr]    Compiling brotli-sys v0.2.1
Dec 01 04:41:29.875 INFO [stderr]    Compiling base64 v0.7.0
Dec 01 04:41:29.876 INFO [stderr]    Compiling tempdir v0.3.7
Dec 01 04:41:30.603 INFO [stderr]    Compiling threadpool v1.7.1
Dec 01 04:41:30.604 INFO [stderr]    Compiling uuid v0.1.18
Dec 01 04:41:30.763 INFO [stderr]    Compiling clap v2.31.2
Dec 01 04:41:30.819 INFO [stderr]    Compiling twoway v0.1.8
Dec 01 04:41:31.526 INFO [stderr]    Compiling mime v0.2.6
Dec 01 04:41:31.639 INFO [stderr]    Compiling chrono v0.4.2
Dec 01 04:41:32.903 INFO [stderr]    Compiling enum_primitive v0.1.1
Dec 01 04:41:32.928 INFO [stderr]    Compiling buf_redux v0.6.3
Dec 01 04:41:32.979 INFO [stderr]    Compiling phf_generator v0.7.22
Dec 01 04:41:33.015 INFO [stderr]    Compiling num v0.1.42
Dec 01 04:41:33.467 INFO [stderr]    Compiling url v0.2.38
Dec 01 04:41:33.827 INFO [stderr]    Compiling chrono v0.2.25
Dec 01 04:41:35.202 INFO [stderr]    Compiling phf_codegen v0.7.22
Dec 01 04:41:35.265 INFO [stderr]    Compiling gzip-header v0.1.2
Dec 01 04:41:37.983 INFO [stderr]    Compiling mime_guess v1.8.4
Dec 01 04:41:39.031 INFO [stderr]    Compiling deflate v0.7.18
Dec 01 04:41:44.476 INFO [stderr]    Compiling tiny_http v0.5.9
Dec 01 04:41:48.819 INFO [stderr]    Compiling brotli2 v0.2.2
Dec 01 04:41:50.200 INFO [stderr]    Compiling multipart v0.13.6
Dec 01 04:41:53.607 INFO [stderr]    Compiling rouille v2.1.0
Dec 01 04:42:00.095 INFO [stderr]    Compiling led_dash v0.1.0 (/source)
Dec 01 04:42:02.203 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 04:42:02.203 INFO [stderr]  --> src/main.rs:1:1
Dec 01 04:42:02.203 INFO [stderr]   |
Dec 01 04:42:02.203 INFO [stderr] 1 | #![feature(proc_macro)]
Dec 01 04:42:02.203 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 04:42:02.203 INFO [stderr] 
Dec 01 04:42:02.203 INFO [stderr] error: aborting due to previous error
Dec 01 04:42:02.203 INFO [stderr] 
Dec 01 04:42:02.203 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 04:42:02.224 INFO [stderr] error: Could not compile `led_dash`.
Dec 01 04:42:02.224 INFO [stderr] 
Dec 01 04:42:02.224 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 04:42:02.224 INFO [stderr] su: No module specific data is present
Dec 01 04:42:02.500 INFO running `"docker" "inspect" "559b0a9788fe5098f3a2088a3274f78aa957c6b1982b88f9a635c704abfef297"`
Dec 01 04:42:02.618 INFO running `"docker" "rm" "-f" "559b0a9788fe5098f3a2088a3274f78aa957c6b1982b88f9a635c704abfef297"`
Dec 01 04:42:02.738 INFO [stdout] 559b0a9788fe5098f3a2088a3274f78aa957c6b1982b88f9a635c704abfef297
