Aug 02 04:25:13.265 INFO checking meval-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 04:25:13.265 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:25:13.265 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:25:13.265 INFO running `"docker" "create" "-v" "/tmp/crater.G08lAjKkAuDE:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 04:25:13.567 INFO blam! c520160f6c9cbd0ac84ca2fee2038ad9744270217996a54b6faeba699758aec2
Aug 02 04:25:13.569 INFO running `"docker" "start" "-a" "c520160f6c9cbd0ac84ca2fee2038ad9744270217996a54b6faeba699758aec2"`
Aug 02 04:25:14.757 INFO kablam!     Checking gnuplot v0.0.23
Aug 02 04:25:14.759 INFO kablam!     Checking meval v0.1.0 (file:///source)
Aug 02 04:25:18.709 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:25:18.709 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 04:25:18.709 INFO kablam!   |
Aug 02 04:25:18.709 INFO kablam! 1 | #![feature(test)]
Aug 02 04:25:18.709 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 04:25:18.710 INFO kablam! 
Aug 02 04:25:18.710 INFO kablam! error: aborting due to previous error
Aug 02 04:25:18.710 INFO kablam! 
Aug 02 04:25:18.710 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:25:18.717 INFO kablam! error: Could not compile `meval`.
Aug 02 04:25:18.717 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:25:19.067 INFO kablam! warning: variable does not need to be mutable
Aug 02 04:25:19.067 INFO kablam!   --> examples/plot.rs:24:13
Aug 02 04:25:19.067 INFO kablam!    |
Aug 02 04:25:19.067 INFO kablam! 24 |         let mut axes = fg.axes2d();
Aug 02 04:25:19.067 INFO kablam!    |             ----^^^^
Aug 02 04:25:19.067 INFO kablam!    |             |
Aug 02 04:25:19.067 INFO kablam!    |             help: remove this `mut`
Aug 02 04:25:19.067 INFO kablam!    |
Aug 02 04:25:19.067 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 02 04:25:19.067 INFO kablam! 
Aug 02 04:25:20.916 INFO kablam! error: build failed
Aug 02 04:25:20.919 INFO kablam! su: No module specific data is present
Aug 02 04:25:21.544 INFO running `"docker" "rm" "-f" "c520160f6c9cbd0ac84ca2fee2038ad9744270217996a54b6faeba699758aec2"`
Aug 02 04:25:21.670 INFO blam! c520160f6c9cbd0ac84ca2fee2038ad9744270217996a54b6faeba699758aec2