Sep 20 01:42:36.173 INFO checking floyd-warshall-0.0.3 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 20 01:42:36.173 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 20 01:42:36.173 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-7/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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=1000" "-e" "CMD=cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 01:42:36.640 INFO blam! c299708677c45a751a62e3762fcb8044e31dd85d93c04d7eecf9e3e4d557012f
Sep 20 01:42:36.643 INFO running `"docker" "start" "-a" "c299708677c45a751a62e3762fcb8044e31dd85d93c04d7eecf9e3e4d557012f"`
Sep 20 01:42:38.067 INFO kablam! usermod: no changes
Sep 20 01:42:38.130 INFO kablam!     Checking floyd-warshall v0.0.3 (/source)
Sep 20 01:42:38.419 INFO kablam! warning: unused import: `std::fmt`
Sep 20 01:42:38.419 INFO kablam!  --> src/matrices.rs:1:5
Sep 20 01:42:38.419 INFO kablam!   |
Sep 20 01:42:38.419 INFO kablam! 1 | use std::fmt;
Sep 20 01:42:38.419 INFO kablam!   |     ^^^^^^^^
Sep 20 01:42:38.419 INFO kablam!   |
Sep 20 01:42:38.419 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 20 01:42:38.419 INFO kablam! 
Sep 20 01:42:38.419 INFO kablam! warning: unused import: `std::fmt::Debug`
Sep 20 01:42:38.419 INFO kablam!  --> src/matrices.rs:2:5
Sep 20 01:42:38.419 INFO kablam!   |
Sep 20 01:42:38.419 INFO kablam! 2 | use std::fmt::Debug;
Sep 20 01:42:38.419 INFO kablam!   |     ^^^^^^^^^^^^^^^
Sep 20 01:42:38.419 INFO kablam! 
Sep 20 01:42:38.525 INFO kablam! warning: unused import: `std::fmt`
Sep 20 01:42:38.525 INFO kablam!  --> src/matrices.rs:1:5
Sep 20 01:42:38.525 INFO kablam!   |
Sep 20 01:42:38.525 INFO kablam! 1 | use std::fmt;
Sep 20 01:42:38.525 INFO kablam!   |     ^^^^^^^^
Sep 20 01:42:38.525 INFO kablam!   |
Sep 20 01:42:38.525 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 20 01:42:38.525 INFO kablam! 
Sep 20 01:42:38.525 INFO kablam! warning: unused import: `std::fmt::Debug`
Sep 20 01:42:38.525 INFO kablam!  --> src/matrices.rs:2:5
Sep 20 01:42:38.525 INFO kablam!   |
Sep 20 01:42:38.525 INFO kablam! 2 | use std::fmt::Debug;
Sep 20 01:42:38.525 INFO kablam!   |     ^^^^^^^^^^^^^^^
Sep 20 01:42:38.525 INFO kablam! 
Sep 20 01:42:38.543 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 20 01:42:38.543 INFO kablam!  --> src/lib.rs:4:12
Sep 20 01:42:38.543 INFO kablam!   |
Sep 20 01:42:38.543 INFO kablam! 4 | #![feature(conservative_impl_trait)]
Sep 20 01:42:38.543 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 01:42:38.543 INFO kablam!   |
Sep 20 01:42:38.543 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 01:42:38.543 INFO kablam! 
Sep 20 01:42:38.826 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 20 01:42:38.826 INFO kablam!  --> src/lib.rs:4:12
Sep 20 01:42:38.826 INFO kablam!   |
Sep 20 01:42:38.826 INFO kablam! 4 | #![feature(conservative_impl_trait)]
Sep 20 01:42:38.826 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 01:42:38.826 INFO kablam!   |
Sep 20 01:42:38.826 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 01:42:38.826 INFO kablam! 
Sep 20 01:42:38.853 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Sep 20 01:42:38.855 INFO kablam! su: No module specific data is present
Sep 20 01:42:39.470 INFO running `"docker" "rm" "-f" "c299708677c45a751a62e3762fcb8044e31dd85d93c04d7eecf9e3e4d557012f"`
Sep 20 01:42:39.539 INFO blam! c299708677c45a751a62e3762fcb8044e31dd85d93c04d7eecf9e3e4d557012f