Dec 04 10:45:42.532 INFO checking sbeckeriv/temp-dir against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 10:45:42.532 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 10:45:42.913 INFO [stdout] 5c9aef71f8ae67761766853e00119fecb3862b4ccc8c004d66e9f168442a996a
Dec 04 10:45:42.923 INFO running `"docker" "start" "-a" "5c9aef71f8ae67761766853e00119fecb3862b4ccc8c004d66e9f168442a996a"`
Dec 04 10:45:44.330 INFO [stderr] usermod: no changes
Dec 04 10:45:44.371 INFO [stderr]     Checking temp-dir v0.1.0 (/source)
Dec 04 10:45:44.796 INFO [stderr] warning: unused import: `std::fs::File`
Dec 04 10:45:44.797 INFO [stderr]  --> src/main.rs:3:5
Dec 04 10:45:44.797 INFO [stderr]   |
Dec 04 10:45:44.797 INFO [stderr] 3 | use std::fs::File;
Dec 04 10:45:44.797 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 04 10:45:44.797 INFO [stderr]   |
Dec 04 10:45:44.797 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 10:45:44.797 INFO [stderr] 
Dec 04 10:45:44.797 INFO [stderr] warning: unused import: `rank::Test`
Dec 04 10:45:44.797 INFO [stderr]  --> src/main.rs:5:5
Dec 04 10:45:44.798 INFO [stderr]   |
Dec 04 10:45:44.798 INFO [stderr] 5 | use rank::Test;
Dec 04 10:45:44.798 INFO [stderr]   |     ^^^^^^^^^^
Dec 04 10:45:44.798 INFO [stderr] 
Dec 04 10:45:44.859 INFO [stderr] warning: struct is never constructed: `Test`
Dec 04 10:45:44.859 INFO [stderr]  --> src/rank.rs:1:1
Dec 04 10:45:44.859 INFO [stderr]   |
Dec 04 10:45:44.859 INFO [stderr] 1 | pub struct Test{
Dec 04 10:45:44.859 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 04 10:45:44.859 INFO [stderr]   |
Dec 04 10:45:44.859 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 10:45:44.859 INFO [stderr] 
Dec 04 10:45:44.867 INFO [stderr] warning: unused import: `std::fs::File`
Dec 04 10:45:44.867 INFO [stderr]  --> src/main.rs:3:5
Dec 04 10:45:44.867 INFO [stderr]   |
Dec 04 10:45:44.867 INFO [stderr] 3 | use std::fs::File;
Dec 04 10:45:44.867 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 04 10:45:44.867 INFO [stderr]   |
Dec 04 10:45:44.867 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 10:45:44.867 INFO [stderr] 
Dec 04 10:45:44.867 INFO [stderr] warning: unused import: `rank::Test`
Dec 04 10:45:44.867 INFO [stderr]  --> src/main.rs:5:5
Dec 04 10:45:44.867 INFO [stderr]   |
Dec 04 10:45:44.867 INFO [stderr] 5 | use rank::Test;
Dec 04 10:45:44.867 INFO [stderr]   |     ^^^^^^^^^^
Dec 04 10:45:44.867 INFO [stderr] 
Dec 04 10:45:44.935 INFO [stderr] warning: struct is never constructed: `Test`
Dec 04 10:45:44.935 INFO [stderr]  --> src/rank.rs:1:1
Dec 04 10:45:44.935 INFO [stderr]   |
Dec 04 10:45:44.935 INFO [stderr] 1 | pub struct Test{
Dec 04 10:45:44.935 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 04 10:45:44.935 INFO [stderr]   |
Dec 04 10:45:44.935 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 10:45:44.935 INFO [stderr] 
Dec 04 10:45:44.983 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Dec 04 10:45:44.985 INFO [stderr] su: No module specific data is present
Dec 04 10:45:45.975 INFO running `"docker" "inspect" "5c9aef71f8ae67761766853e00119fecb3862b4ccc8c004d66e9f168442a996a"`
Dec 04 10:45:46.309 INFO running `"docker" "rm" "-f" "5c9aef71f8ae67761766853e00119fecb3862b4ccc8c004d66e9f168442a996a"`
Dec 04 10:45:46.619 INFO [stdout] 5c9aef71f8ae67761766853e00119fecb3862b4ccc8c004d66e9f168442a996a