Aug 01 18:32:20.193 INFO checking x25519-dalek-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 18:32:20.193 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:32:20.193 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:32:20.193 INFO running `"docker" "create" "-v" "/tmp/crater.VFkS8REHIGRH:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+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 18:32:20.474 INFO blam! 204e23770683e06d8388e31aa1353ca51a1d8591cf66d62341cf3ad4198e66db
Aug 01 18:32:20.477 INFO running `"docker" "start" "-a" "204e23770683e06d8388e31aa1353ca51a1d8591cf66d62341cf3ad4198e66db"`
Aug 01 18:32:21.591 INFO kablam!    Compiling subtle v0.6.3
Aug 01 18:32:21.592 INFO kablam!    Compiling clear_on_drop v0.2.3
Aug 01 18:32:21.594 INFO kablam!    Compiling rand v0.5.0-pre.2
Aug 01 18:32:21.605 INFO kablam!     Checking chrono v0.4.5
Aug 01 18:32:22.107 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:32:22.107 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-0.6.3/src/lib.rs:13:34
Aug 01 18:32:22.108 INFO kablam!    |
Aug 01 18:32:22.108 INFO kablam! 13 | #![cfg_attr(feature = "nightly", feature(asm))]
Aug 01 18:32:22.108 INFO kablam!    |                                  ^^^^^^^^^^^^^
Aug 01 18:32:22.108 INFO kablam! 
Aug 01 18:32:22.108 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:32:22.108 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-0.6.3/src/lib.rs:14:34
Aug 01 18:32:22.108 INFO kablam!    |
Aug 01 18:32:22.108 INFO kablam! 14 | #![cfg_attr(feature = "nightly", feature(external_doc))]
Aug 01 18:32:22.108 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^
Aug 01 18:32:22.108 INFO kablam! 
Aug 01 18:32:22.112 INFO kablam! error: aborting due to 2 previous errors
Aug 01 18:32:22.112 INFO kablam! 
Aug 01 18:32:22.112 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 18:32:22.119 INFO kablam! error: Could not compile `subtle`.
Aug 01 18:32:22.119 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 18:32:22.198 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:32:22.198 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-0.6.3/src/lib.rs:13:34
Aug 01 18:32:22.198 INFO kablam!    |
Aug 01 18:32:22.198 INFO kablam! 13 | #![cfg_attr(feature = "nightly", feature(asm))]
Aug 01 18:32:22.198 INFO kablam!    |                                  ^^^^^^^^^^^^^
Aug 01 18:32:22.198 INFO kablam! 
Aug 01 18:32:22.198 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:32:22.198 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-0.6.3/src/lib.rs:14:34
Aug 01 18:32:22.198 INFO kablam!    |
Aug 01 18:32:22.198 INFO kablam! 14 | #![cfg_attr(feature = "nightly", feature(external_doc))]
Aug 01 18:32:22.198 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^
Aug 01 18:32:22.198 INFO kablam! 
Aug 01 18:32:22.200 INFO kablam! error: aborting due to 2 previous errors
Aug 01 18:32:22.200 INFO kablam! 
Aug 01 18:32:22.200 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 18:32:22.207 INFO kablam! error: Could not compile `subtle`.
Aug 01 18:32:22.208 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 18:32:33.700 INFO kablam! error: build failed
Aug 01 18:32:33.710 INFO kablam! su: No module specific data is present
Aug 01 18:32:34.202 INFO running `"docker" "rm" "-f" "204e23770683e06d8388e31aa1353ca51a1d8591cf66d62341cf3ad4198e66db"`
Aug 01 18:32:34.354 INFO blam! 204e23770683e06d8388e31aa1353ca51a1d8591cf66d62341cf3ad4198e66db