Nov 01 23:01:19.154 INFO checking floyd-warshall-0.0.3 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 23:01:19.154 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +05812fa8c588473f03e3fa7cf59cd84f4f37c715-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 23:01:19.656 INFO blam! 7c8aa63185613c1875294c7c5a96d8f9c40e5a011c14be77c2552437b63e7bf6
Nov 01 23:01:19.662 INFO running `"docker" "start" "-a" "7c8aa63185613c1875294c7c5a96d8f9c40e5a011c14be77c2552437b63e7bf6"`
Nov 01 23:01:20.988 INFO kablam! usermod: no changes
Nov 01 23:01:21.124 INFO kablam!     Checking floyd-warshall v0.0.3 (/source)
Nov 01 23:01:22.195 INFO kablam! warning: unused import: `std::fmt`
Nov 01 23:01:22.195 INFO kablam!  --> src/matrices.rs:1:5
Nov 01 23:01:22.195 INFO kablam!   |
Nov 01 23:01:22.195 INFO kablam! 1 | use std::fmt;
Nov 01 23:01:22.196 INFO kablam!   |     ^^^^^^^^
Nov 01 23:01:22.196 INFO kablam!   |
Nov 01 23:01:22.197 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 23:01:22.198 INFO kablam! 
Nov 01 23:01:22.198 INFO kablam! warning: unused import: `std::fmt::Debug`
Nov 01 23:01:22.199 INFO kablam!  --> src/matrices.rs:2:5
Nov 01 23:01:22.199 INFO kablam!   |
Nov 01 23:01:22.200 INFO kablam! 2 | use std::fmt::Debug;
Nov 01 23:01:22.201 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 01 23:01:22.201 INFO kablam! 
Nov 01 23:01:22.336 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 01 23:01:22.336 INFO kablam!  --> src/lib.rs:4:12
Nov 01 23:01:22.336 INFO kablam!   |
Nov 01 23:01:22.336 INFO kablam! 4 | #![feature(conservative_impl_trait)]
Nov 01 23:01:22.336 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 23:01:22.338 INFO kablam!   |
Nov 01 23:01:22.338 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 23:01:22.338 INFO kablam! 
Nov 01 23:01:22.586 INFO kablam! warning: unused import: `std::fmt`
Nov 01 23:01:22.587 INFO kablam!  --> src/matrices.rs:1:5
Nov 01 23:01:22.588 INFO kablam!   |
Nov 01 23:01:22.588 INFO kablam! 1 | use std::fmt;
Nov 01 23:01:22.589 INFO kablam!   |     ^^^^^^^^
Nov 01 23:01:22.589 INFO kablam!   |
Nov 01 23:01:22.590 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 23:01:22.590 INFO kablam! 
Nov 01 23:01:22.591 INFO kablam! warning: unused import: `std::fmt::Debug`
Nov 01 23:01:22.592 INFO kablam!  --> src/matrices.rs:2:5
Nov 01 23:01:22.592 INFO kablam!   |
Nov 01 23:01:22.593 INFO kablam! 2 | use std::fmt::Debug;
Nov 01 23:01:22.593 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 01 23:01:22.594 INFO kablam! 
Nov 01 23:01:22.888 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 01 23:01:22.888 INFO kablam!  --> src/lib.rs:4:12
Nov 01 23:01:22.888 INFO kablam!   |
Nov 01 23:01:22.888 INFO kablam! 4 | #![feature(conservative_impl_trait)]
Nov 01 23:01:22.888 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 23:01:22.888 INFO kablam!   |
Nov 01 23:01:22.888 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 23:01:22.888 INFO kablam! 
Nov 01 23:01:22.925 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
Nov 01 23:01:22.932 INFO kablam! su: No module specific data is present
Nov 01 23:01:23.667 INFO running `"docker" "rm" "-f" "7c8aa63185613c1875294c7c5a96d8f9c40e5a011c14be77c2552437b63e7bf6"`
Nov 01 23:01:24.044 INFO blam! 7c8aa63185613c1875294c7c5a96d8f9c40e5a011c14be77c2552437b63e7bf6