Dec 12 14:56:57.771 INFO checking floyd-warshall-0.0.3 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 14:56:57.771 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 14:56:58.170 INFO [stdout] 30726a1401e258770c02269a8101bdf54d10efbe2eaa78c37eaa5885dd720620
Dec 12 14:56:58.178 INFO running `"docker" "start" "-a" "30726a1401e258770c02269a8101bdf54d10efbe2eaa78c37eaa5885dd720620"`
Dec 12 14:56:58.952 INFO [stderr] usermod: no changes
Dec 12 14:56:59.036 INFO [stderr]     Checking floyd-warshall v0.0.3 (/source)
Dec 12 14:57:00.201 INFO [stderr] warning: unused import: `std::fmt`
Dec 12 14:57:00.201 INFO [stderr]  --> src/matrices.rs:1:5
Dec 12 14:57:00.201 INFO [stderr]   |
Dec 12 14:57:00.202 INFO [stderr] 1 | use std::fmt;
Dec 12 14:57:00.202 INFO [stderr]   |     ^^^^^^^^
Dec 12 14:57:00.202 INFO [stderr]   |
Dec 12 14:57:00.202 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 14:57:00.202 INFO [stderr] 
Dec 12 14:57:00.202 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 12 14:57:00.202 INFO [stderr]  --> src/matrices.rs:2:5
Dec 12 14:57:00.202 INFO [stderr]   |
Dec 12 14:57:00.202 INFO [stderr] 2 | use std::fmt::Debug;
Dec 12 14:57:00.202 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 12 14:57:00.202 INFO [stderr] 
Dec 12 14:57:00.326 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 12 14:57:00.326 INFO [stderr]  --> src/lib.rs:4:12
Dec 12 14:57:00.326 INFO [stderr]   |
Dec 12 14:57:00.326 INFO [stderr] 4 | #![feature(conservative_impl_trait)]
Dec 12 14:57:00.326 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 14:57:00.327 INFO [stderr]   |
Dec 12 14:57:00.327 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 12 14:57:00.327 INFO [stderr] 
Dec 12 14:57:00.606 INFO [stderr] warning: unused import: `std::fmt`
Dec 12 14:57:00.606 INFO [stderr]  --> src/matrices.rs:1:5
Dec 12 14:57:00.606 INFO [stderr]   |
Dec 12 14:57:00.607 INFO [stderr] 1 | use std::fmt;
Dec 12 14:57:00.607 INFO [stderr]   |     ^^^^^^^^
Dec 12 14:57:00.607 INFO [stderr]   |
Dec 12 14:57:00.607 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 14:57:00.608 INFO [stderr] 
Dec 12 14:57:00.608 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 12 14:57:00.608 INFO [stderr]  --> src/matrices.rs:2:5
Dec 12 14:57:00.608 INFO [stderr]   |
Dec 12 14:57:00.609 INFO [stderr] 2 | use std::fmt::Debug;
Dec 12 14:57:00.609 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 12 14:57:00.609 INFO [stderr] 
Dec 12 14:57:00.880 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 12 14:57:00.880 INFO [stderr]  --> src/lib.rs:4:12
Dec 12 14:57:00.880 INFO [stderr]   |
Dec 12 14:57:00.880 INFO [stderr] 4 | #![feature(conservative_impl_trait)]
Dec 12 14:57:00.880 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 14:57:00.880 INFO [stderr]   |
Dec 12 14:57:00.880 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 12 14:57:00.880 INFO [stderr] 
Dec 12 14:57:00.924 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
Dec 12 14:57:00.932 INFO [stderr] su: No module specific data is present
Dec 12 14:57:01.848 INFO running `"docker" "inspect" "30726a1401e258770c02269a8101bdf54d10efbe2eaa78c37eaa5885dd720620"`
Dec 12 14:57:02.071 INFO running `"docker" "rm" "-f" "30726a1401e258770c02269a8101bdf54d10efbe2eaa78c37eaa5885dd720620"`
Dec 12 14:57:02.268 INFO [stdout] 30726a1401e258770c02269a8101bdf54d10efbe2eaa78c37eaa5885dd720620