Nov 01 23:01:19.082 INFO checking floyd-warshall-0.0.3 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 23:01:19.082 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 23:01:19.513 INFO blam! ff2d299e71281a7669c86f8ecd5fe029484dc5c5ac0a78db4b7bf88c17a593a3
Nov 01 23:01:19.514 INFO running `"docker" "start" "-a" "ff2d299e71281a7669c86f8ecd5fe029484dc5c5ac0a78db4b7bf88c17a593a3"`
Nov 01 23:01:20.640 INFO kablam! usermod: no changes
Nov 01 23:01:20.752 INFO kablam!     Checking floyd-warshall v0.0.3 (/source)
Nov 01 23:01:21.900 INFO kablam! warning: unused import: `std::fmt`
Nov 01 23:01:21.900 INFO kablam!  --> src/matrices.rs:1:5
Nov 01 23:01:21.900 INFO kablam!   |
Nov 01 23:01:21.900 INFO kablam! 1 | use std::fmt;
Nov 01 23:01:21.900 INFO kablam!   |     ^^^^^^^^
Nov 01 23:01:21.900 INFO kablam!   |
Nov 01 23:01:21.900 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 23:01:21.900 INFO kablam! 
Nov 01 23:01:21.900 INFO kablam! warning: unused import: `std::fmt::Debug`
Nov 01 23:01:21.900 INFO kablam!  --> src/matrices.rs:2:5
Nov 01 23:01:21.900 INFO kablam!   |
Nov 01 23:01:21.900 INFO kablam! 2 | use std::fmt::Debug;
Nov 01 23:01:21.900 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 01 23:01:21.900 INFO kablam! 
Nov 01 23:01:22.099 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 23:01:22.099 INFO kablam!  --> src/lib.rs:4:12
Nov 01 23:01:22.099 INFO kablam!   |
Nov 01 23:01:22.099 INFO kablam! 4 | #![feature(conservative_impl_trait)]
Nov 01 23:01:22.099 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 23:01:22.099 INFO kablam!   |
Nov 01 23:01:22.099 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 23:01:22.099 INFO kablam! 
Nov 01 23:01:22.369 INFO kablam! warning: unused import: `std::fmt`
Nov 01 23:01:22.370 INFO kablam!  --> src/matrices.rs:1:5
Nov 01 23:01:22.371 INFO kablam!   |
Nov 01 23:01:22.371 INFO kablam! 1 | use std::fmt;
Nov 01 23:01:22.371 INFO kablam!   |     ^^^^^^^^
Nov 01 23:01:22.371 INFO kablam!   |
Nov 01 23:01:22.372 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 23:01:22.372 INFO kablam! 
Nov 01 23:01:22.372 INFO kablam! warning: unused import: `std::fmt::Debug`
Nov 01 23:01:22.372 INFO kablam!  --> src/matrices.rs:2:5
Nov 01 23:01:22.373 INFO kablam!   |
Nov 01 23:01:22.373 INFO kablam! 2 | use std::fmt::Debug;
Nov 01 23:01:22.374 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 01 23:01:22.374 INFO kablam! 
Nov 01 23:01:22.683 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 23:01:22.683 INFO kablam!  --> src/lib.rs:4:12
Nov 01 23:01:22.683 INFO kablam!   |
Nov 01 23:01:22.683 INFO kablam! 4 | #![feature(conservative_impl_trait)]
Nov 01 23:01:22.683 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 23:01:22.683 INFO kablam!   |
Nov 01 23:01:22.683 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 23:01:22.683 INFO kablam! 
Nov 01 23:01:22.754 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
Nov 01 23:01:22.758 INFO kablam! su: No module specific data is present
Nov 01 23:01:23.678 INFO running `"docker" "rm" "-f" "ff2d299e71281a7669c86f8ecd5fe029484dc5c5ac0a78db4b7bf88c17a593a3"`
Nov 01 23:01:24.004 INFO blam! ff2d299e71281a7669c86f8ecd5fe029484dc5c5ac0a78db4b7bf88c17a593a3