Dec 01 18:54:02.893 INFO testing dropbox/ruba against 1.30.1 for beta-1.31-5
Dec 01 18:54:02.893 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 18:54:03.656 INFO [stdout] e96d8ad6af03bcabcaaaa7d2a19f967f91008b4c7be6c59003907fa7423e2fde
Dec 01 18:54:03.658 INFO running `"docker" "start" "-a" "e96d8ad6af03bcabcaaaa7d2a19f967f91008b4c7be6c59003907fa7423e2fde"`
Dec 01 18:54:05.932 INFO [stderr] usermod: no changes
Dec 01 18:54:06.227 INFO [stderr]    Compiling either v1.4.0
Dec 01 18:54:06.240 INFO [stderr]    Compiling heapsize v0.3.9
Dec 01 18:54:06.248 INFO [stderr]    Compiling seahash v3.0.5
Dec 01 18:54:06.251 INFO [stderr]    Compiling memchr v1.0.2
Dec 01 18:54:06.252 INFO [stderr]    Compiling num-complex v0.1.43
Dec 01 18:54:06.252 INFO [stderr]    Compiling nix v0.5.1
Dec 01 18:54:06.253 INFO [stderr]    Compiling bincode v0.9.2
Dec 01 18:54:06.253 INFO [stderr]    Compiling serde_json v0.9.10
Dec 01 18:54:08.275 INFO [stderr]    Compiling num-bigint v0.1.43
Dec 01 18:54:10.276 INFO [stderr]    Compiling csv v0.15.0
Dec 01 18:54:10.955 INFO [stderr]    Compiling nom v3.2.1
Dec 01 18:54:14.752 INFO [stderr]    Compiling futures-core v0.2.0-alpha
Dec 01 18:54:14.825 INFO [stderr]    Compiling itertools v0.5.10
Dec 01 18:54:15.889 INFO [stderr]    Compiling failure v0.1.1
Dec 01 18:54:20.930 INFO [stderr]    Compiling futures-channel v0.2.0-alpha
Dec 01 18:54:25.692 INFO [stderr]    Compiling futures-io v0.2.0-alpha
Dec 01 18:54:25.764 INFO [stderr]    Compiling futures-sink v0.2.0-alpha
Dec 01 18:54:25.794 INFO [stderr]    Compiling num-rational v0.1.42
Dec 01 18:54:27.871 INFO [stderr]    Compiling futures-util v0.2.0-alpha
Dec 01 18:54:31.879 INFO [stderr]    Compiling rustyline v1.0.0
Dec 01 18:54:31.903 INFO [stderr]    Compiling num v0.1.42
Dec 01 18:54:33.346 INFO [stderr]    Compiling chrono v0.4.0
Dec 01 18:54:37.563 INFO [stderr]    Compiling futures-executor v0.2.0-alpha
Dec 01 18:54:39.921 INFO [stderr]    Compiling futures v0.2.0-alpha
Dec 01 18:54:40.613 INFO [stderr]    Compiling ruba v0.1.0 (/source)
Dec 01 18:54:42.867 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 18:54:42.867 INFO [stderr]  --> src/lib.rs:1:1
Dec 01 18:54:42.867 INFO [stderr]   |
Dec 01 18:54:42.867 INFO [stderr] 1 | #![feature(fn_traits, integer_atomics, refcell_replace_swap, trait_alias, nll)]
Dec 01 18:54:42.867 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 18:54:42.867 INFO [stderr] 
Dec 01 18:54:42.887 INFO [stderr] error: aborting due to previous error
Dec 01 18:54:42.887 INFO [stderr] 
Dec 01 18:54:42.887 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 18:54:42.935 INFO [stderr] error: Could not compile `ruba`.
Dec 01 18:54:42.935 INFO [stderr] 
Dec 01 18:54:42.935 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 18:54:42.937 INFO [stderr] su: No module specific data is present
Dec 01 18:54:44.107 INFO running `"docker" "inspect" "e96d8ad6af03bcabcaaaa7d2a19f967f91008b4c7be6c59003907fa7423e2fde"`
Dec 01 18:54:44.397 INFO running `"docker" "rm" "-f" "e96d8ad6af03bcabcaaaa7d2a19f967f91008b4c7be6c59003907fa7423e2fde"`
Dec 01 18:54:44.672 INFO [stdout] e96d8ad6af03bcabcaaaa7d2a19f967f91008b4c7be6c59003907fa7423e2fde
