Aug 30 17:54:35.419 INFO checking floyd-warshall-0.0.3 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 17:54:35.419 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 17:54:35.419 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-1/try#2d477f9981361618ac78253c28051a66b6cea125:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 17:54:35.566 INFO blam! a0ae57ac86abf0314a784f1657914d937f5e31029f423b9020e8aa91e960e2d5
Aug 30 17:54:35.568 INFO running `"docker" "start" "-a" "a0ae57ac86abf0314a784f1657914d937f5e31029f423b9020e8aa91e960e2d5"`
Aug 30 17:54:36.447 INFO kablam!     Checking floyd-warshall v0.0.3 (file:///source)
Aug 30 17:54:37.071 INFO kablam! warning: unused import: `std::fmt`
Aug 30 17:54:37.071 INFO kablam!  --> src/matrices.rs:1:5
Aug 30 17:54:37.071 INFO kablam!   |
Aug 30 17:54:37.071 INFO kablam! 1 | use std::fmt;
Aug 30 17:54:37.071 INFO kablam!   |     ^^^^^^^^
Aug 30 17:54:37.071 INFO kablam!   |
Aug 30 17:54:37.071 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 17:54:37.071 INFO kablam! 
Aug 30 17:54:37.071 INFO kablam! warning: unused import: `std::fmt::Debug`
Aug 30 17:54:37.071 INFO kablam!  --> src/matrices.rs:2:5
Aug 30 17:54:37.071 INFO kablam!   |
Aug 30 17:54:37.071 INFO kablam! 2 | use std::fmt::Debug;
Aug 30 17:54:37.071 INFO kablam!   |     ^^^^^^^^^^^^^^^
Aug 30 17:54:37.071 INFO kablam! 
Aug 30 17:54:37.246 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Aug 30 17:54:37.246 INFO kablam!  --> src/lib.rs:4:12
Aug 30 17:54:37.247 INFO kablam!   |
Aug 30 17:54:37.247 INFO kablam! 4 | #![feature(conservative_impl_trait)]
Aug 30 17:54:37.247 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 17:54:37.247 INFO kablam!   |
Aug 30 17:54:37.247 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 30 17:54:37.247 INFO kablam! 
Aug 30 17:54:37.381 INFO kablam! warning: unused import: `std::fmt`
Aug 30 17:54:37.381 INFO kablam!  --> src/matrices.rs:1:5
Aug 30 17:54:37.381 INFO kablam!   |
Aug 30 17:54:37.381 INFO kablam! 1 | use std::fmt;
Aug 30 17:54:37.381 INFO kablam!   |     ^^^^^^^^
Aug 30 17:54:37.381 INFO kablam!   |
Aug 30 17:54:37.381 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 17:54:37.382 INFO kablam! 
Aug 30 17:54:37.382 INFO kablam! warning: unused import: `std::fmt::Debug`
Aug 30 17:54:37.382 INFO kablam!  --> src/matrices.rs:2:5
Aug 30 17:54:37.382 INFO kablam!   |
Aug 30 17:54:37.382 INFO kablam! 2 | use std::fmt::Debug;
Aug 30 17:54:37.382 INFO kablam!   |     ^^^^^^^^^^^^^^^
Aug 30 17:54:37.382 INFO kablam! 
Aug 30 17:54:37.742 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Aug 30 17:54:37.742 INFO kablam!  --> src/lib.rs:4:12
Aug 30 17:54:37.742 INFO kablam!   |
Aug 30 17:54:37.742 INFO kablam! 4 | #![feature(conservative_impl_trait)]
Aug 30 17:54:37.742 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 17:54:37.742 INFO kablam!   |
Aug 30 17:54:37.742 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 30 17:54:37.742 INFO kablam! 
Aug 30 17:54:37.760 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
Aug 30 17:54:37.763 INFO kablam! su: No module specific data is present
Aug 30 17:54:38.258 INFO running `"docker" "rm" "-f" "a0ae57ac86abf0314a784f1657914d937f5e31029f423b9020e8aa91e960e2d5"`
Aug 30 17:54:38.344 INFO blam! a0ae57ac86abf0314a784f1657914d937f5e31029f423b9020e8aa91e960e2d5