Dec 01 04:49:40.096 INFO testing rightfold/muon against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 04:49:40.097 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 04:49:40.443 INFO [stdout] 8fdc6a50ec7f4f8693358de57512a5ee8ad3a6918b156afc77f869f2db480d7b
Dec 01 04:49:40.449 INFO running `"docker" "start" "-a" "8fdc6a50ec7f4f8693358de57512a5ee8ad3a6918b156afc77f869f2db480d7b"`
Dec 01 04:49:41.415 INFO [stderr] usermod: no changes
Dec 01 04:49:41.591 INFO [stderr]    Compiling memchr v1.0.2
Dec 01 04:49:41.591 INFO [stderr]    Compiling uuid v0.5.1
Dec 01 04:49:41.591 INFO [stderr]    Compiling ring v0.12.1
Dec 01 04:49:42.475 INFO [stderr]    Compiling postgres-protocol v0.3.1
Dec 01 04:49:46.491 INFO [stderr]    Compiling postgres-shared v0.4.0
Dec 01 04:49:51.580 INFO [stderr]    Compiling postgres v0.15.1
Dec 01 04:49:55.999 INFO [stderr]    Compiling muon v0.0.0 (/source)
Dec 01 04:49:56.721 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 01 04:49:56.721 INFO [stderr]  --> src/lib.rs:1:1
Dec 01 04:49:56.721 INFO [stderr]   |
Dec 01 04:49:56.721 INFO [stderr] 1 | #![feature(never_type)]
Dec 01 04:49:56.721 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 04:49:56.721 INFO [stderr] 
Dec 01 04:49:56.721 INFO [stderr] error: aborting due to previous error
Dec 01 04:49:56.721 INFO [stderr] 
Dec 01 04:49:56.721 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 04:49:56.731 INFO [stderr] error: Could not compile `muon`.
Dec 01 04:49:56.731 INFO [stderr] 
Dec 01 04:49:56.731 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 04:49:56.731 INFO [stderr] su: No module specific data is present
Dec 01 04:49:57.288 INFO running `"docker" "inspect" "8fdc6a50ec7f4f8693358de57512a5ee8ad3a6918b156afc77f869f2db480d7b"`
Dec 01 04:49:57.408 INFO running `"docker" "rm" "-f" "8fdc6a50ec7f4f8693358de57512a5ee8ad3a6918b156afc77f869f2db480d7b"`
Dec 01 04:49:57.499 INFO [stdout] 8fdc6a50ec7f4f8693358de57512a5ee8ad3a6918b156afc77f869f2db480d7b
