Sep 04 20:27:45.678 INFO checking floyd-warshall-0.0.3 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 20:27:45.678 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 20:27:45.678 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-2/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 20:27:45.883 INFO blam! 84ead6719631519732a55c5e7292599a717e40b913d02463c240f718aadd329f
Sep 04 20:27:45.885 INFO running `"docker" "start" "-a" "84ead6719631519732a55c5e7292599a717e40b913d02463c240f718aadd329f"`
Sep 04 20:27:46.577 INFO kablam!     Checking floyd-warshall v0.0.3 (file:///source)
Sep 04 20:27:47.292 INFO kablam! warning: unused import: `std::fmt`
Sep 04 20:27:47.292 INFO kablam!  --> src/matrices.rs:1:5
Sep 04 20:27:47.292 INFO kablam!   |
Sep 04 20:27:47.292 INFO kablam! 1 | use std::fmt;
Sep 04 20:27:47.292 INFO kablam!   |     ^^^^^^^^
Sep 04 20:27:47.292 INFO kablam!   |
Sep 04 20:27:47.292 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 20:27:47.292 INFO kablam! 
Sep 04 20:27:47.292 INFO kablam! warning: unused import: `std::fmt::Debug`
Sep 04 20:27:47.292 INFO kablam!  --> src/matrices.rs:2:5
Sep 04 20:27:47.292 INFO kablam!   |
Sep 04 20:27:47.292 INFO kablam! 2 | use std::fmt::Debug;
Sep 04 20:27:47.292 INFO kablam!   |     ^^^^^^^^^^^^^^^
Sep 04 20:27:47.293 INFO kablam! 
Sep 04 20:27:47.548 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 04 20:27:47.548 INFO kablam!  --> src/lib.rs:4:12
Sep 04 20:27:47.548 INFO kablam!   |
Sep 04 20:27:47.548 INFO kablam! 4 | #![feature(conservative_impl_trait)]
Sep 04 20:27:47.548 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 20:27:47.548 INFO kablam!   |
Sep 04 20:27:47.548 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 04 20:27:47.548 INFO kablam! 
Sep 04 20:27:47.603 INFO kablam! warning: unused import: `std::fmt`
Sep 04 20:27:47.603 INFO kablam!  --> src/matrices.rs:1:5
Sep 04 20:27:47.603 INFO kablam!   |
Sep 04 20:27:47.603 INFO kablam! 1 | use std::fmt;
Sep 04 20:27:47.603 INFO kablam!   |     ^^^^^^^^
Sep 04 20:27:47.603 INFO kablam!   |
Sep 04 20:27:47.603 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 20:27:47.603 INFO kablam! 
Sep 04 20:27:47.603 INFO kablam! warning: unused import: `std::fmt::Debug`
Sep 04 20:27:47.603 INFO kablam!  --> src/matrices.rs:2:5
Sep 04 20:27:47.603 INFO kablam!   |
Sep 04 20:27:47.603 INFO kablam! 2 | use std::fmt::Debug;
Sep 04 20:27:47.603 INFO kablam!   |     ^^^^^^^^^^^^^^^
Sep 04 20:27:47.603 INFO kablam! 
Sep 04 20:27:48.058 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 04 20:27:48.058 INFO kablam!  --> src/lib.rs:4:12
Sep 04 20:27:48.058 INFO kablam!   |
Sep 04 20:27:48.058 INFO kablam! 4 | #![feature(conservative_impl_trait)]
Sep 04 20:27:48.059 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 20:27:48.059 INFO kablam!   |
Sep 04 20:27:48.059 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 04 20:27:48.059 INFO kablam! 
Sep 04 20:27:48.081 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
Sep 04 20:27:48.085 INFO kablam! su: No module specific data is present
Sep 04 20:27:48.542 INFO running `"docker" "rm" "-f" "84ead6719631519732a55c5e7292599a717e40b913d02463c240f718aadd329f"`
Sep 04 20:27:48.630 INFO blam! 84ead6719631519732a55c5e7292599a717e40b913d02463c240f718aadd329f