Dec 01 07:14:27.470 INFO testing nrc/rls-rustc against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 07:14:27.470 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 07:14:27.694 INFO [stdout] 28e26aa87a775e12ce228b73f13b06f1154af02e95040fa82d1578551f642958
Dec 01 07:14:27.698 INFO running `"docker" "start" "-a" "28e26aa87a775e12ce228b73f13b06f1154af02e95040fa82d1578551f642958"`
Dec 01 07:14:28.142 INFO [stderr] usermod: no changes
Dec 01 07:14:28.202 INFO [stderr]    Compiling rls-rustc v0.5.0 (/source)
Dec 01 07:14:30.283 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 01 07:14:30.283 INFO [stderr]  --> src/lib.rs:1:1
Dec 01 07:14:30.283 INFO [stderr]   |
Dec 01 07:14:30.283 INFO [stderr] 1 | #![feature(rustc_private)]
Dec 01 07:14:30.283 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 07:14:30.283 INFO [stderr] 
Dec 01 07:14:30.283 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 01 07:14:30.283 INFO [stderr]  --> src/lib.rs:2:1
Dec 01 07:14:30.283 INFO [stderr]   |
Dec 01 07:14:30.283 INFO [stderr] 2 | #![feature(box_syntax)]
Dec 01 07:14:30.283 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 07:14:30.283 INFO [stderr] 
Dec 01 07:14:30.283 INFO [stderr] error: aborting due to 2 previous errors
Dec 01 07:14:30.283 INFO [stderr] 
Dec 01 07:14:30.283 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 07:14:30.295 INFO [stderr] error: Could not compile `rls-rustc`.
Dec 01 07:14:30.295 INFO [stderr] 
Dec 01 07:14:30.295 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 07:14:30.296 INFO [stderr] su: No module specific data is present
Dec 01 07:14:30.570 INFO running `"docker" "inspect" "28e26aa87a775e12ce228b73f13b06f1154af02e95040fa82d1578551f642958"`
Dec 01 07:14:30.685 INFO running `"docker" "rm" "-f" "28e26aa87a775e12ce228b73f13b06f1154af02e95040fa82d1578551f642958"`
Dec 01 07:14:30.812 INFO [stdout] 28e26aa87a775e12ce228b73f13b06f1154af02e95040fa82d1578551f642958
