Sep 01 04:12:39.271 INFO checking floyd-warshall-0.0.3 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Sep 01 04:12:39.271 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Sep 01 04:12:39.272 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 04:12:39.450 INFO blam! c53f193fdd6cb0af05d7af99a215fe25e4dcd04a3650c4be33ed9972bbc881a1
Sep 01 04:12:39.452 INFO running `"docker" "start" "-a" "c53f193fdd6cb0af05d7af99a215fe25e4dcd04a3650c4be33ed9972bbc881a1"`
Sep 01 04:12:40.084 INFO kablam!     Checking floyd-warshall v0.0.3 (file:///source)
Sep 01 04:12:40.666 INFO kablam! warning: unused import: `std::fmt`
Sep 01 04:12:40.666 INFO kablam!  --> src/matrices.rs:1:5
Sep 01 04:12:40.666 INFO kablam!   |
Sep 01 04:12:40.666 INFO kablam! 1 | use std::fmt;
Sep 01 04:12:40.666 INFO kablam!   |     ^^^^^^^^
Sep 01 04:12:40.666 INFO kablam!   |
Sep 01 04:12:40.666 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 04:12:40.666 INFO kablam! 
Sep 01 04:12:40.666 INFO kablam! warning: unused import: `std::fmt::Debug`
Sep 01 04:12:40.666 INFO kablam!  --> src/matrices.rs:2:5
Sep 01 04:12:40.666 INFO kablam!   |
Sep 01 04:12:40.666 INFO kablam! 2 | use std::fmt::Debug;
Sep 01 04:12:40.666 INFO kablam!   |     ^^^^^^^^^^^^^^^
Sep 01 04:12:40.666 INFO kablam! 
Sep 01 04:12:40.886 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 01 04:12:40.886 INFO kablam!  --> src/lib.rs:4:12
Sep 01 04:12:40.886 INFO kablam!   |
Sep 01 04:12:40.886 INFO kablam! 4 | #![feature(conservative_impl_trait)]
Sep 01 04:12:40.886 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 04:12:40.886 INFO kablam!   |
Sep 01 04:12:40.886 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 01 04:12:40.886 INFO kablam! 
Sep 01 04:12:40.925 INFO kablam! warning: unused import: `std::fmt`
Sep 01 04:12:40.925 INFO kablam!  --> src/matrices.rs:1:5
Sep 01 04:12:40.925 INFO kablam!   |
Sep 01 04:12:40.925 INFO kablam! 1 | use std::fmt;
Sep 01 04:12:40.925 INFO kablam!   |     ^^^^^^^^
Sep 01 04:12:40.925 INFO kablam!   |
Sep 01 04:12:40.925 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 04:12:40.925 INFO kablam! 
Sep 01 04:12:40.925 INFO kablam! warning: unused import: `std::fmt::Debug`
Sep 01 04:12:40.925 INFO kablam!  --> src/matrices.rs:2:5
Sep 01 04:12:40.925 INFO kablam!   |
Sep 01 04:12:40.925 INFO kablam! 2 | use std::fmt::Debug;
Sep 01 04:12:40.925 INFO kablam!   |     ^^^^^^^^^^^^^^^
Sep 01 04:12:40.925 INFO kablam! 
Sep 01 04:12:41.543 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 01 04:12:41.543 INFO kablam!  --> src/lib.rs:4:12
Sep 01 04:12:41.543 INFO kablam!   |
Sep 01 04:12:41.543 INFO kablam! 4 | #![feature(conservative_impl_trait)]
Sep 01 04:12:41.543 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 04:12:41.543 INFO kablam!   |
Sep 01 04:12:41.543 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 01 04:12:41.543 INFO kablam! 
Sep 01 04:12:41.571 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
Sep 01 04:12:41.575 INFO kablam! su: No module specific data is present
Sep 01 04:12:41.975 INFO running `"docker" "rm" "-f" "c53f193fdd6cb0af05d7af99a215fe25e4dcd04a3650c4be33ed9972bbc881a1"`
Sep 01 04:12:42.077 INFO blam! c53f193fdd6cb0af05d7af99a215fe25e4dcd04a3650c4be33ed9972bbc881a1