Dec 05 13:44:23.892 INFO checking floyd-warshall-0.0.3 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 13:44:23.893 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 13:44:24.387 INFO [stdout] 25ec5e72d6aaee78d61f3cb090ea7c203f3757b052173e8d2ce705965e295d65
Dec 05 13:44:24.395 INFO running `"docker" "start" "-a" "25ec5e72d6aaee78d61f3cb090ea7c203f3757b052173e8d2ce705965e295d65"`
Dec 05 13:44:25.607 INFO [stderr] usermod: no changes
Dec 05 13:44:25.712 INFO [stderr]     Checking floyd-warshall v0.0.3 (/source)
Dec 05 13:44:26.631 INFO [stderr] warning: unused import: `std::fmt`
Dec 05 13:44:26.631 INFO [stderr]  --> src/matrices.rs:1:5
Dec 05 13:44:26.631 INFO [stderr]   |
Dec 05 13:44:26.631 INFO [stderr] 1 | use std::fmt;
Dec 05 13:44:26.631 INFO [stderr]   |     ^^^^^^^^
Dec 05 13:44:26.631 INFO [stderr]   |
Dec 05 13:44:26.631 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 13:44:26.631 INFO [stderr] 
Dec 05 13:44:26.631 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 05 13:44:26.631 INFO [stderr]  --> src/matrices.rs:2:5
Dec 05 13:44:26.631 INFO [stderr]   |
Dec 05 13:44:26.631 INFO [stderr] 2 | use std::fmt::Debug;
Dec 05 13:44:26.631 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 13:44:26.631 INFO [stderr] 
Dec 05 13:44:26.747 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 13:44:26.747 INFO [stderr]  --> src/lib.rs:4:12
Dec 05 13:44:26.747 INFO [stderr]   |
Dec 05 13:44:26.747 INFO [stderr] 4 | #![feature(conservative_impl_trait)]
Dec 05 13:44:26.747 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:44:26.747 INFO [stderr]   |
Dec 05 13:44:26.747 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 13:44:26.747 INFO [stderr] 
Dec 05 13:44:26.827 INFO [stderr] warning: unused import: `std::fmt`
Dec 05 13:44:26.827 INFO [stderr]  --> src/matrices.rs:1:5
Dec 05 13:44:26.827 INFO [stderr]   |
Dec 05 13:44:26.827 INFO [stderr] 1 | use std::fmt;
Dec 05 13:44:26.827 INFO [stderr]   |     ^^^^^^^^
Dec 05 13:44:26.827 INFO [stderr]   |
Dec 05 13:44:26.827 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 13:44:26.827 INFO [stderr] 
Dec 05 13:44:26.827 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 05 13:44:26.827 INFO [stderr]  --> src/matrices.rs:2:5
Dec 05 13:44:26.827 INFO [stderr]   |
Dec 05 13:44:26.827 INFO [stderr] 2 | use std::fmt::Debug;
Dec 05 13:44:26.827 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 13:44:26.827 INFO [stderr] 
Dec 05 13:44:27.099 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 13:44:27.099 INFO [stderr]  --> src/lib.rs:4:12
Dec 05 13:44:27.099 INFO [stderr]   |
Dec 05 13:44:27.099 INFO [stderr] 4 | #![feature(conservative_impl_trait)]
Dec 05 13:44:27.099 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:44:27.099 INFO [stderr]   |
Dec 05 13:44:27.099 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 13:44:27.099 INFO [stderr] 
Dec 05 13:44:27.127 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
Dec 05 13:44:27.127 INFO [stderr] su: No module specific data is present
Dec 05 13:44:27.842 INFO running `"docker" "inspect" "25ec5e72d6aaee78d61f3cb090ea7c203f3757b052173e8d2ce705965e295d65"`
Dec 05 13:44:28.120 INFO running `"docker" "rm" "-f" "25ec5e72d6aaee78d61f3cb090ea7c203f3757b052173e8d2ce705965e295d65"`
Dec 05 13:44:28.387 INFO [stdout] 25ec5e72d6aaee78d61f3cb090ea7c203f3757b052173e8d2ce705965e295d65