Dec 01 03:11:13.022 INFO testing scottwillmoore/rust-primer against 1.30.1 for beta-1.31-5
Dec 01 03:11:13.024 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 03:11:13.447 INFO [stdout] 0004f8cd7b5e25f420a1b9ae841e794469c4585412faedeb951ad3822aec9272
Dec 01 03:11:13.453 INFO running `"docker" "start" "-a" "0004f8cd7b5e25f420a1b9ae841e794469c4585412faedeb951ad3822aec9272"`
Dec 01 03:11:14.558 INFO [stderr] usermod: no changes
Dec 01 03:11:14.671 INFO [stderr]    Compiling libc v0.2.39
Dec 01 03:11:16.082 INFO [stderr]    Compiling memchr v2.0.1
Dec 01 03:11:16.723 INFO [stderr]    Compiling aho-corasick v0.6.4
Dec 01 03:11:17.720 INFO [stderr]    Compiling regex v0.2.10
Dec 01 03:11:25.268 INFO [stderr]    Compiling docopt v0.8.3
Dec 01 03:11:30.895 INFO [stderr]    Compiling primer v0.1.0 (/source)
Dec 01 03:11:31.156 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 03:11:31.156 INFO [stderr]  --> src/lib.rs:1:1
Dec 01 03:11:31.156 INFO [stderr]   |
Dec 01 03:11:31.156 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 01 03:11:31.156 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 03:11:31.156 INFO [stderr] 
Dec 01 03:11:31.156 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 03:11:31.156 INFO [stderr]  --> src/lib.rs:2:1
Dec 01 03:11:31.156 INFO [stderr]   |
Dec 01 03:11:31.156 INFO [stderr] 2 | #![feature(test)]
Dec 01 03:11:31.156 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 01 03:11:31.156 INFO [stderr] 
Dec 01 03:11:31.156 INFO [stderr] error: aborting due to 2 previous errors
Dec 01 03:11:31.156 INFO [stderr] 
Dec 01 03:11:31.156 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 03:11:31.167 INFO [stderr] error: Could not compile `primer`.
Dec 01 03:11:31.167 INFO [stderr] 
Dec 01 03:11:31.167 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 03:11:31.168 INFO [stderr] su: No module specific data is present
Dec 01 03:11:32.316 INFO running `"docker" "inspect" "0004f8cd7b5e25f420a1b9ae841e794469c4585412faedeb951ad3822aec9272"`
Dec 01 03:11:32.589 INFO running `"docker" "rm" "-f" "0004f8cd7b5e25f420a1b9ae841e794469c4585412faedeb951ad3822aec9272"`
Dec 01 03:11:32.987 INFO [stdout] 0004f8cd7b5e25f420a1b9ae841e794469c4585412faedeb951ad3822aec9272
