Aug 02 03:58:49.911 INFO checking munkres-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 03:58:49.911 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:58:49.911 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:58:49.911 INFO running `"docker" "create" "-v" "/tmp/crater.JF9egRGBVWpJ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2:/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 03:58:50.130 INFO blam! a46b9410c573140da9537fa8df42c9fc608a8f16c50dc202899f07b63d141df3
Aug 02 03:58:50.132 INFO running `"docker" "start" "-a" "a46b9410c573140da9537fa8df42c9fc608a8f16c50dc202899f07b63d141df3"`
Aug 02 03:58:51.090 INFO kablam!     Checking munkres v0.1.0 (file:///source)
Aug 02 03:58:51.448 INFO kablam! error[E0432]: unresolved import `std::num::Zero`
Aug 02 03:58:51.448 INFO kablam!   --> src/lib.rs:26:5
Aug 02 03:58:51.448 INFO kablam!    |
Aug 02 03:58:51.449 INFO kablam! 26 | use std::num::Zero;
Aug 02 03:58:51.449 INFO kablam!    |     ^^^^^^^^^^^^^^ no `Zero` in `num`
Aug 02 03:58:51.449 INFO kablam! 
Aug 02 03:58:51.452 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:58:51.452 INFO kablam!  --> src/lib.rs:2:1
Aug 02 03:58:51.452 INFO kablam!   |
Aug 02 03:58:51.452 INFO kablam! 2 | #![feature(zero_one)]
Aug 02 03:58:51.452 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:58:51.452 INFO kablam! 
Aug 02 03:58:51.453 INFO kablam! error: aborting due to 2 previous errors
Aug 02 03:58:51.453 INFO kablam! 
Aug 02 03:58:51.453 INFO kablam! Some errors occurred: E0432, E0554.
Aug 02 03:58:51.453 INFO kablam! For more information about an error, try `rustc --explain E0432`.
Aug 02 03:58:51.458 INFO kablam! error: Could not compile `munkres`.
Aug 02 03:58:51.458 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:58:51.484 INFO kablam! error[E0432]: unresolved import `std::num::Zero`
Aug 02 03:58:51.484 INFO kablam!   --> src/lib.rs:26:5
Aug 02 03:58:51.484 INFO kablam!    |
Aug 02 03:58:51.484 INFO kablam! 26 | use std::num::Zero;
Aug 02 03:58:51.484 INFO kablam!    |     ^^^^^^^^^^^^^^ no `Zero` in `num`
Aug 02 03:58:51.484 INFO kablam! 
Aug 02 03:58:51.498 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:58:51.498 INFO kablam!  --> src/lib.rs:1:19
Aug 02 03:58:51.498 INFO kablam!   |
Aug 02 03:58:51.498 INFO kablam! 1 | #![cfg_attr(test, feature(test))]
Aug 02 03:58:51.498 INFO kablam!   |                   ^^^^^^^^^^^^^^
Aug 02 03:58:51.498 INFO kablam! 
Aug 02 03:58:51.498 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:58:51.498 INFO kablam!  --> src/lib.rs:2:1
Aug 02 03:58:51.498 INFO kablam!   |
Aug 02 03:58:51.498 INFO kablam! 2 | #![feature(zero_one)]
Aug 02 03:58:51.498 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:58:51.498 INFO kablam! 
Aug 02 03:58:51.501 INFO kablam! error: aborting due to 3 previous errors
Aug 02 03:58:51.501 INFO kablam! 
Aug 02 03:58:51.501 INFO kablam! Some errors occurred: E0432, E0554.
Aug 02 03:58:51.501 INFO kablam! For more information about an error, try `rustc --explain E0432`.
Aug 02 03:58:51.509 INFO kablam! error: Could not compile `munkres`.
Aug 02 03:58:51.509 INFO kablam! 
Aug 02 03:58:51.509 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 03:58:51.509 INFO kablam! su: No module specific data is present
Aug 02 03:58:52.155 INFO running `"docker" "rm" "-f" "a46b9410c573140da9537fa8df42c9fc608a8f16c50dc202899f07b63d141df3"`
Aug 02 03:58:52.315 INFO blam! a46b9410c573140da9537fa8df42c9fc608a8f16c50dc202899f07b63d141df3