Aug 02 03:58:49.524 INFO checking munkres-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 03:58:49.524 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:58:49.524 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:58:49.524 INFO running `"docker" "create" "-v" "/tmp/crater.hPzUGb7RYGqX:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+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 03:58:49.772 INFO blam! 9986ddfa675840075d6a05073fa993dd288a56e2695b0d79b06f9df7cc321a00
Aug 02 03:58:49.775 INFO running `"docker" "start" "-a" "9986ddfa675840075d6a05073fa993dd288a56e2695b0d79b06f9df7cc321a00"`
Aug 02 03:58:50.772 INFO kablam!     Checking munkres v0.1.0 (file:///source)
Aug 02 03:58:51.141 INFO kablam! error[E0432]: unresolved import `std::num::Zero`
Aug 02 03:58:51.141 INFO kablam!   --> src/lib.rs:26:5
Aug 02 03:58:51.141 INFO kablam!    |
Aug 02 03:58:51.141 INFO kablam! 26 | use std::num::Zero;
Aug 02 03:58:51.141 INFO kablam!    |     ^^^^^^^^^^^^^^ no `Zero` in `num`
Aug 02 03:58:51.141 INFO kablam! 
Aug 02 03:58:51.146 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:58:51.147 INFO kablam!  --> src/lib.rs:2:1
Aug 02 03:58:51.147 INFO kablam!   |
Aug 02 03:58:51.147 INFO kablam! 2 | #![feature(zero_one)]
Aug 02 03:58:51.147 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:58:51.147 INFO kablam! 
Aug 02 03:58:51.147 INFO kablam! error: aborting due to 2 previous errors
Aug 02 03:58:51.147 INFO kablam! 
Aug 02 03:58:51.147 INFO kablam! Some errors occurred: E0432, E0554.
Aug 02 03:58:51.148 INFO kablam! For more information about an error, try `rustc --explain E0432`.
Aug 02 03:58:51.154 INFO kablam! error: Could not compile `munkres`.
Aug 02 03:58:51.154 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:58:51.208 INFO kablam! error[E0432]: unresolved import `std::num::Zero`
Aug 02 03:58:51.208 INFO kablam!   --> src/lib.rs:26:5
Aug 02 03:58:51.209 INFO kablam!    |
Aug 02 03:58:51.209 INFO kablam! 26 | use std::num::Zero;
Aug 02 03:58:51.209 INFO kablam!    |     ^^^^^^^^^^^^^^ no `Zero` in `num`
Aug 02 03:58:51.209 INFO kablam! 
Aug 02 03:58:51.220 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:58:51.220 INFO kablam!  --> src/lib.rs:1:19
Aug 02 03:58:51.220 INFO kablam!   |
Aug 02 03:58:51.220 INFO kablam! 1 | #![cfg_attr(test, feature(test))]
Aug 02 03:58:51.220 INFO kablam!   |                   ^^^^^^^^^^^^^^
Aug 02 03:58:51.220 INFO kablam! 
Aug 02 03:58:51.220 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:58:51.220 INFO kablam!  --> src/lib.rs:2:1
Aug 02 03:58:51.220 INFO kablam!   |
Aug 02 03:58:51.220 INFO kablam! 2 | #![feature(zero_one)]
Aug 02 03:58:51.220 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:58:51.220 INFO kablam! 
Aug 02 03:58:51.224 INFO kablam! error: aborting due to 3 previous errors
Aug 02 03:58:51.224 INFO kablam! 
Aug 02 03:58:51.225 INFO kablam! Some errors occurred: E0432, E0554.
Aug 02 03:58:51.225 INFO kablam! For more information about an error, try `rustc --explain E0432`.
Aug 02 03:58:51.232 INFO kablam! error: Could not compile `munkres`.
Aug 02 03:58:51.233 INFO kablam! 
Aug 02 03:58:51.233 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 03:58:51.234 INFO kablam! su: No module specific data is present
Aug 02 03:58:51.968 INFO running `"docker" "rm" "-f" "9986ddfa675840075d6a05073fa993dd288a56e2695b0d79b06f9df7cc321a00"`
Aug 02 03:58:52.132 INFO blam! 9986ddfa675840075d6a05073fa993dd288a56e2695b0d79b06f9df7cc321a00