Aug 01 21:25:32.691 INFO checking stdsimd-0.0.3 against 1.27.2+tmplazy for lazy_static-1 Aug 01 21:25:32.691 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 01 21:25:32.691 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 01 21:25:32.691 INFO running `"docker" "create" "-v" "/tmp/crater.575Si4YXpXHw:/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 01 21:25:32.935 INFO blam! 71afe250f7105c39a6587806d2d2da96815e97fc411d4d2b3fc161ead94c6bb4 Aug 01 21:25:32.937 INFO running `"docker" "start" "-a" "71afe250f7105c39a6587806d2d2da96815e97fc411d4d2b3fc161ead94c6bb4"` Aug 01 21:25:33.831 INFO kablam! Checking stdsimd v0.0.3 (file:///source) Aug 01 21:25:33.831 INFO kablam! Compiling cupid v0.3.0 Aug 01 21:25:37.766 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 01 21:25:37.767 INFO kablam! --> src/lib.rs:121:1 Aug 01 21:25:37.767 INFO kablam! | Aug 01 21:25:37.767 INFO kablam! 121 | / #![feature(const_fn, link_llvm_intrinsics, platform_intrinsics, repr_simd, Aug 01 21:25:37.767 INFO kablam! 122 | | simd_ffi, target_feature, cfg_target_feature, i128_type, asm, Aug 01 21:25:37.767 INFO kablam! 123 | | const_atomic_usize_new, stmt_expr_attributes)] Aug 01 21:25:37.767 INFO kablam! | |_________________________________________________________^ Aug 01 21:25:37.767 INFO kablam! Aug 01 21:25:38.168 INFO kablam! error: aborting due to previous error Aug 01 21:25:38.169 INFO kablam! Aug 01 21:25:38.169 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 01 21:25:38.188 INFO kablam! error: Could not compile `stdsimd`. Aug 01 21:25:38.189 INFO kablam! warning: build failed, waiting for other jobs to finish... Aug 01 21:25:38.469 INFO kablam! error: build failed Aug 01 21:25:38.471 INFO kablam! su: No module specific data is present Aug 01 21:25:39.290 INFO running `"docker" "rm" "-f" "71afe250f7105c39a6587806d2d2da96815e97fc411d4d2b3fc161ead94c6bb4"` Aug 01 21:25:39.446 INFO blam! 71afe250f7105c39a6587806d2d2da96815e97fc411d4d2b3fc161ead94c6bb4