Dec 02 15:52:01.841 INFO testing spherical-cow-0.1.2 against 1.30.1 for beta-1.31-5
Dec 02 15:52:01.841 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 02 15:52:02.309 INFO [stdout] 5231a21c535cafcf4a1a54a58fe2669d2dcd4d664ec5c39b0cf4a3293a3f5896
Dec 02 15:52:02.317 INFO running `"docker" "start" "-a" "5231a21c535cafcf4a1a54a58fe2669d2dcd4d664ec5c39b0cf4a3293a3f5896"`
Dec 02 15:52:03.590 INFO [stderr] usermod: no changes
Dec 02 15:52:03.908 INFO [stderr]    Compiling alga v0.7.2
Dec 02 15:52:08.501 INFO [stderr]    Compiling nalgebra v0.16.11
Dec 02 15:52:41.292 INFO [stderr]    Compiling spherical-cow v0.1.2 (/source)
Dec 02 15:52:42.550 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 15:52:42.550 INFO [stderr]   --> src/lib.rs:58:1
Dec 02 15:52:42.550 INFO [stderr]    |
Dec 02 15:52:42.550 INFO [stderr] 58 | #![feature(vec_remove_item)]
Dec 02 15:52:42.550 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 15:52:42.550 INFO [stderr] 
Dec 02 15:52:42.551 INFO [stderr] error: aborting due to previous error
Dec 02 15:52:42.551 INFO [stderr] 
Dec 02 15:52:42.551 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 15:52:42.570 INFO [stderr] error: Could not compile `spherical-cow`.
Dec 02 15:52:42.570 INFO [stderr] 
Dec 02 15:52:42.570 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 15:52:42.572 INFO [stderr] su: No module specific data is present
Dec 02 15:52:42.911 INFO running `"docker" "inspect" "5231a21c535cafcf4a1a54a58fe2669d2dcd4d664ec5c39b0cf4a3293a3f5896"`
Dec 02 15:52:43.012 INFO running `"docker" "rm" "-f" "5231a21c535cafcf4a1a54a58fe2669d2dcd4d664ec5c39b0cf4a3293a3f5896"`
Dec 02 15:52:43.093 INFO [stdout] 5231a21c535cafcf4a1a54a58fe2669d2dcd4d664ec5c39b0cf4a3293a3f5896