Dec 01 04:49:40.279 INFO testing rightfold/muon against 1.30.1 for beta-1.31-5
Dec 01 04:49:40.280 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 04:49:40.703 INFO [stdout] 523d6795f46ae5832d3f70675d98d050a67f44139af655512769105435b56c74
Dec 01 04:49:40.727 INFO running `"docker" "start" "-a" "523d6795f46ae5832d3f70675d98d050a67f44139af655512769105435b56c74"`
Dec 01 04:49:41.875 INFO [stderr] usermod: no changes
Dec 01 04:49:42.024 INFO [stderr]    Compiling scopeguard v0.3.3
Dec 01 04:49:42.024 INFO [stderr]    Compiling either v1.3.0
Dec 01 04:49:42.035 INFO [stderr]    Compiling lazy_static v0.2.9
Dec 01 04:49:42.035 INFO [stderr]    Compiling siphasher v0.2.2
Dec 01 04:49:42.035 INFO [stderr]    Compiling fallible-iterator v0.1.3
Dec 01 04:49:42.035 INFO [stderr]    Compiling md5 v0.3.5
Dec 01 04:49:42.035 INFO [stderr]    Compiling nodrop v0.1.10
Dec 01 04:49:42.035 INFO [stderr]    Compiling num_cpus v1.7.0
Dec 01 04:49:42.596 INFO [stderr]    Compiling iovec v0.1.1
Dec 01 04:49:43.180 INFO [stderr]    Compiling memchr v1.0.2
Dec 01 04:49:43.237 INFO [stderr]    Compiling uuid v0.5.1
Dec 01 04:49:43.404 INFO [stderr]    Compiling phf_shared v0.7.21
Dec 01 04:49:43.831 INFO [stderr]    Compiling stringprep v0.1.2
Dec 01 04:49:45.199 INFO [stderr]    Compiling generic-array v0.8.3
Dec 01 04:49:45.751 INFO [stderr]    Compiling coco v0.1.1
Dec 01 04:49:45.759 INFO [stderr]    Compiling bytes v0.4.5
Dec 01 04:49:45.817 INFO [stderr]    Compiling phf v0.7.21
Dec 01 04:49:47.060 INFO [stderr]    Compiling digest v0.6.2
Dec 01 04:49:47.061 INFO [stderr]    Compiling crypto-mac v0.4.0
Dec 01 04:49:47.061 INFO [stderr]    Compiling block-buffer v0.2.0
Dec 01 04:49:48.056 INFO [stderr]    Compiling hmac v0.4.2
Dec 01 04:49:48.659 INFO [stderr]    Compiling rayon-core v1.2.1
Dec 01 04:49:48.671 INFO [stderr]    Compiling sha2 v0.6.0
Dec 01 04:49:50.351 INFO [stderr]    Compiling postgres-protocol v0.3.1
Dec 01 04:49:51.555 INFO [stderr]    Compiling rayon v0.8.2
Dec 01 04:49:52.789 INFO [stderr]    Compiling postgres-shared v0.4.0
Dec 01 04:49:55.343 INFO [stderr]    Compiling ring v0.12.1
Dec 01 04:49:56.146 INFO [stderr]    Compiling postgres v0.15.1
Dec 01 04:50:02.257 INFO [stderr]    Compiling muon v0.0.0 (/source)
Dec 01 04:50:02.991 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 04:50:02.991 INFO [stderr]  --> src/lib.rs:1:1
Dec 01 04:50:02.991 INFO [stderr]   |
Dec 01 04:50:02.991 INFO [stderr] 1 | #![feature(never_type)]
Dec 01 04:50:02.991 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 04:50:02.991 INFO [stderr] 
Dec 01 04:50:02.991 INFO [stderr] error: aborting due to previous error
Dec 01 04:50:02.991 INFO [stderr] 
Dec 01 04:50:02.991 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 04:50:02.997 INFO [stderr] error: Could not compile `muon`.
Dec 01 04:50:02.997 INFO [stderr] 
Dec 01 04:50:02.997 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 04:50:02.997 INFO [stderr] su: No module specific data is present
Dec 01 04:50:03.350 INFO running `"docker" "inspect" "523d6795f46ae5832d3f70675d98d050a67f44139af655512769105435b56c74"`
Dec 01 04:50:03.510 INFO running `"docker" "rm" "-f" "523d6795f46ae5832d3f70675d98d050a67f44139af655512769105435b56c74"`
Dec 01 04:50:03.663 INFO [stdout] 523d6795f46ae5832d3f70675d98d050a67f44139af655512769105435b56c74
