Dec 18 16:26:48.943 INFO checking floyd-warshall-0.0.3 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:26:48.943 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/floyd-warshall/0.0.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:26:49.376 INFO [stdout] cba31ca476e093401acb37998c6a55d0331167e836d0fa1100ee1a72a7f0fa8d
Dec 18 16:26:49.384 INFO running `"docker" "start" "-a" "cba31ca476e093401acb37998c6a55d0331167e836d0fa1100ee1a72a7f0fa8d"`
Dec 18 16:26:50.007 INFO [stderr]     Checking floyd-warshall v0.0.3 (/opt/crater/workdir)
Dec 18 16:26:50.248 INFO [stderr] warning: unused import: `std::fmt`
Dec 18 16:26:50.248 INFO [stderr]  --> src/matrices.rs:1:5
Dec 18 16:26:50.248 INFO [stderr]   |
Dec 18 16:26:50.248 INFO [stderr] 1 | use std::fmt;
Dec 18 16:26:50.248 INFO [stderr]   |     ^^^^^^^^
Dec 18 16:26:50.248 INFO [stderr]   |
Dec 18 16:26:50.248 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 16:26:50.248 INFO [stderr] 
Dec 18 16:26:50.248 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 18 16:26:50.248 INFO [stderr]  --> src/matrices.rs:2:5
Dec 18 16:26:50.248 INFO [stderr]   |
Dec 18 16:26:50.248 INFO [stderr] 2 | use std::fmt::Debug;
Dec 18 16:26:50.248 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 18 16:26:50.248 INFO [stderr] 
Dec 18 16:26:50.332 INFO [stderr] warning: unused import: `std::fmt`
Dec 18 16:26:50.332 INFO [stderr]  --> src/matrices.rs:1:5
Dec 18 16:26:50.332 INFO [stderr]   |
Dec 18 16:26:50.332 INFO [stderr] 1 | use std::fmt;
Dec 18 16:26:50.332 INFO [stderr]   |     ^^^^^^^^
Dec 18 16:26:50.332 INFO [stderr]   |
Dec 18 16:26:50.332 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 16:26:50.332 INFO [stderr] 
Dec 18 16:26:50.332 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 18 16:26:50.332 INFO [stderr]  --> src/matrices.rs:2:5
Dec 18 16:26:50.332 INFO [stderr]   |
Dec 18 16:26:50.332 INFO [stderr] 2 | use std::fmt::Debug;
Dec 18 16:26:50.332 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 18 16:26:50.332 INFO [stderr] 
Dec 18 16:26:50.353 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 16:26:50.353 INFO [stderr]  --> src/lib.rs:4:12
Dec 18 16:26:50.353 INFO [stderr]   |
Dec 18 16:26:50.353 INFO [stderr] 4 | #![feature(conservative_impl_trait)]
Dec 18 16:26:50.353 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:26:50.353 INFO [stderr]   |
Dec 18 16:26:50.353 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 16:26:50.353 INFO [stderr] 
Dec 18 16:26:50.559 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 16:26:50.559 INFO [stderr]  --> src/lib.rs:4:12
Dec 18 16:26:50.559 INFO [stderr]   |
Dec 18 16:26:50.559 INFO [stderr] 4 | #![feature(conservative_impl_trait)]
Dec 18 16:26:50.559 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:26:50.559 INFO [stderr]   |
Dec 18 16:26:50.559 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 16:26:50.559 INFO [stderr] 
Dec 18 16:26:50.584 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Dec 18 16:26:50.908 INFO running `"docker" "inspect" "cba31ca476e093401acb37998c6a55d0331167e836d0fa1100ee1a72a7f0fa8d"`
Dec 18 16:26:51.034 INFO running `"docker" "rm" "-f" "cba31ca476e093401acb37998c6a55d0331167e836d0fa1100ee1a72a7f0fa8d"`
Dec 18 16:26:51.180 INFO [stdout] cba31ca476e093401acb37998c6a55d0331167e836d0fa1100ee1a72a7f0fa8d