Jul 12 09:31:09.551 INFO checking floyd-warshall-0.0.3 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 09:31:09.552 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 09:31:09.552 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 09:31:09.552 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-7/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 09:31:09.874 INFO blam! 28c0a6733d2e6dd94f9c5165c707bc9ceae4e2e01622532540c71a88efbfcb18
Jul 12 09:31:09.877 INFO running `"docker" "start" "-a" "28c0a6733d2e6dd94f9c5165c707bc9ceae4e2e01622532540c71a88efbfcb18"`
Jul 12 09:31:10.790 INFO kablam!     Blocking waiting for file lock on the registry index
Jul 12 09:31:10.951 INFO kablam!     Checking floyd-warshall v0.0.3 (file:///source)
Jul 12 09:31:12.165 INFO kablam! warning: unused import: `std::fmt`
Jul 12 09:31:12.165 INFO kablam!  --> src/matrices.rs:1:5
Jul 12 09:31:12.165 INFO kablam!   |
Jul 12 09:31:12.165 INFO kablam! 1 | use std::fmt;
Jul 12 09:31:12.165 INFO kablam!   |     ^^^^^^^^
Jul 12 09:31:12.165 INFO kablam!   |
Jul 12 09:31:12.165 INFO kablam!   = note: #[warn(unused_imports)] on by default
Jul 12 09:31:12.165 INFO kablam! 
Jul 12 09:31:12.165 INFO kablam! warning: unused import: `std::fmt::Debug`
Jul 12 09:31:12.165 INFO kablam!  --> src/matrices.rs:2:5
Jul 12 09:31:12.165 INFO kablam!   |
Jul 12 09:31:12.165 INFO kablam! 2 | use std::fmt::Debug;
Jul 12 09:31:12.166 INFO kablam!   |     ^^^^^^^^^^^^^^^
Jul 12 09:31:12.166 INFO kablam! 
Jul 12 09:31:12.337 INFO kablam! warning: unused import: `std::fmt`
Jul 12 09:31:12.337 INFO kablam!  --> src/matrices.rs:1:5
Jul 12 09:31:12.337 INFO kablam!   |
Jul 12 09:31:12.337 INFO kablam! 1 | use std::fmt;
Jul 12 09:31:12.338 INFO kablam!   |     ^^^^^^^^
Jul 12 09:31:12.338 INFO kablam!   |
Jul 12 09:31:12.338 INFO kablam!   = note: #[warn(unused_imports)] on by default
Jul 12 09:31:12.338 INFO kablam! 
Jul 12 09:31:12.338 INFO kablam! warning: unused import: `std::fmt::Debug`
Jul 12 09:31:12.338 INFO kablam!  --> src/matrices.rs:2:5
Jul 12 09:31:12.339 INFO kablam!   |
Jul 12 09:31:12.339 INFO kablam! 2 | use std::fmt::Debug;
Jul 12 09:31:12.339 INFO kablam!   |     ^^^^^^^^^^^^^^^
Jul 12 09:31:12.339 INFO kablam! 
Jul 12 09:31:12.527 INFO kablam! warning: this feature has been stable since 1.26.0. Attribute no longer needed
Jul 12 09:31:12.527 INFO kablam!  --> src/lib.rs:4:12
Jul 12 09:31:12.527 INFO kablam!   |
Jul 12 09:31:12.527 INFO kablam! 4 | #![feature(conservative_impl_trait)]
Jul 12 09:31:12.527 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 09:31:12.527 INFO kablam!   |
Jul 12 09:31:12.528 INFO kablam!   = note: #[warn(stable_features)] on by default
Jul 12 09:31:12.528 INFO kablam! 
Jul 12 09:31:13.026 INFO kablam! warning: this feature has been stable since 1.26.0. Attribute no longer needed
Jul 12 09:31:13.026 INFO kablam!  --> src/lib.rs:4:12
Jul 12 09:31:13.026 INFO kablam!   |
Jul 12 09:31:13.026 INFO kablam! 4 | #![feature(conservative_impl_trait)]
Jul 12 09:31:13.027 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 09:31:13.027 INFO kablam!   |
Jul 12 09:31:13.027 INFO kablam!   = note: #[warn(stable_features)] on by default
Jul 12 09:31:13.027 INFO kablam! 
Jul 12 09:31:13.093 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
Jul 12 09:31:13.104 INFO kablam! su: No module specific data is present
Jul 12 09:31:13.616 INFO running `"docker" "rm" "-f" "28c0a6733d2e6dd94f9c5165c707bc9ceae4e2e01622532540c71a88efbfcb18"`
Jul 12 09:31:13.778 INFO blam! 28c0a6733d2e6dd94f9c5165c707bc9ceae4e2e01622532540c71a88efbfcb18