Aug 02 03:40:55.459 INFO checking ndarray-rand-0.7.0 against 1.27.2+tmplazy for lazy_static-1 Aug 02 03:40:55.459 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 03:40:55.459 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 03:40:55.459 INFO running `"docker" "create" "-v" "/tmp/crater.b8vl0PHF5oUS:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2+tmplazy:/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 03:40:55.716 INFO blam! 5eb9dd0aebaaaac00e3e9c69ebae99d9d1d2192600d5afac987a056306bbea95 Aug 02 03:40:55.718 INFO running `"docker" "start" "-a" "5eb9dd0aebaaaac00e3e9c69ebae99d9d1d2192600d5afac987a056306bbea95"` Aug 02 03:40:57.315 INFO kablam! Checking ndarray-rand v0.7.0 (file:///source) Aug 02 03:40:59.909 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 03:40:59.909 INFO kablam! --> benches/bench.rs:1:1 Aug 02 03:40:59.909 INFO kablam! | Aug 02 03:40:59.909 INFO kablam! 1 | #![feature(test)] Aug 02 03:40:59.909 INFO kablam! | ^^^^^^^^^^^^^^^^^ Aug 02 03:40:59.909 INFO kablam! Aug 02 03:40:59.909 INFO kablam! error: aborting due to previous error Aug 02 03:40:59.909 INFO kablam! Aug 02 03:40:59.909 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 03:40:59.921 INFO kablam! error: Could not compile `ndarray-rand`. Aug 02 03:40:59.921 INFO kablam! warning: build failed, waiting for other jobs to finish... Aug 02 03:41:00.474 INFO kablam! error: build failed Aug 02 03:41:00.480 INFO kablam! su: No module specific data is present Aug 02 03:41:01.026 INFO running `"docker" "rm" "-f" "5eb9dd0aebaaaac00e3e9c69ebae99d9d1d2192600d5afac987a056306bbea95"` Aug 02 03:41:01.188 INFO blam! 5eb9dd0aebaaaac00e3e9c69ebae99d9d1d2192600d5afac987a056306bbea95