Dec 03 03:09:06.772 INFO testing libdrm-0.0.2 against 1.30.1 for beta-1.31-5
Dec 03 03:09:06.772 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 03 03:09:07.183 INFO [stdout] 5a77cc07bd7cf57d064f1ae2706668f9cb938b3c696fcd50393105e22a2bfa05
Dec 03 03:09:07.185 INFO running `"docker" "start" "-a" "5a77cc07bd7cf57d064f1ae2706668f9cb938b3c696fcd50393105e22a2bfa05"`
Dec 03 03:09:08.256 INFO [stderr] usermod: no changes
Dec 03 03:09:08.391 INFO [stderr]    Compiling drm-sys v0.0.3
Dec 03 03:09:08.391 INFO [stderr]    Compiling smallvec v0.3.4
Dec 03 03:09:12.183 INFO [stderr]    Compiling libdrm v0.0.2 (/source)
Dec 03 03:09:13.515 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 03:09:13.515 INFO [stderr]  --> src/lib.rs:1:1
Dec 03 03:09:13.515 INFO [stderr]   |
Dec 03 03:09:13.515 INFO [stderr] 1 | #![feature(concat_idents)]
Dec 03 03:09:13.515 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 03:09:13.515 INFO [stderr] 
Dec 03 03:09:13.515 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 03:09:13.515 INFO [stderr]  --> src/lib.rs:2:1
Dec 03 03:09:13.515 INFO [stderr]   |
Dec 03 03:09:13.515 INFO [stderr] 2 | #![feature(type_ascription)]
Dec 03 03:09:13.515 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 03:09:13.515 INFO [stderr] 
Dec 03 03:09:13.515 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 03:09:13.515 INFO [stderr]  --> src/lib.rs:3:1
Dec 03 03:09:13.515 INFO [stderr]   |
Dec 03 03:09:13.515 INFO [stderr] 3 | #![feature(conservative_impl_trait)]
Dec 03 03:09:13.515 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 03:09:13.515 INFO [stderr] 
Dec 03 03:09:13.515 INFO [stderr] error: aborting due to 3 previous errors
Dec 03 03:09:13.515 INFO [stderr] 
Dec 03 03:09:13.519 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 03:09:13.523 INFO [stderr] error: Could not compile `libdrm`.
Dec 03 03:09:13.523 INFO [stderr] 
Dec 03 03:09:13.523 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 03:09:13.523 INFO [stderr] su: No module specific data is present
Dec 03 03:09:14.447 INFO running `"docker" "inspect" "5a77cc07bd7cf57d064f1ae2706668f9cb938b3c696fcd50393105e22a2bfa05"`
Dec 03 03:09:14.783 INFO running `"docker" "rm" "-f" "5a77cc07bd7cf57d064f1ae2706668f9cb938b3c696fcd50393105e22a2bfa05"`
Dec 03 03:09:15.115 INFO [stdout] 5a77cc07bd7cf57d064f1ae2706668f9cb938b3c696fcd50393105e22a2bfa05