Dec 11 23:48:03.297 INFO checking TyRoXx/learning-rust against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 23:48:03.297 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 23:48:03.635 INFO [stdout] 1d0120538bd367ec70d9e2bb1d564ca2980d340229c28468fcdb5f0bb8b76cea
Dec 11 23:48:03.644 INFO running `"docker" "start" "-a" "1d0120538bd367ec70d9e2bb1d564ca2980d340229c28468fcdb5f0bb8b76cea"`
Dec 11 23:48:04.816 INFO [stderr] usermod: no changes
Dec 11 23:48:04.876 INFO [stderr]     Checking library2 v0.1.0 (/source/src/library2)
Dec 11 23:48:05.284 INFO [stderr] warning: unused import: `std::fs::read_dir`
Dec 11 23:48:05.284 INFO [stderr]  --> src/library2/src/lib.rs:1:5
Dec 11 23:48:05.284 INFO [stderr]   |
Dec 11 23:48:05.284 INFO [stderr] 1 | use std::fs::read_dir;
Dec 11 23:48:05.284 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 11 23:48:05.284 INFO [stderr]   |
Dec 11 23:48:05.284 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 23:48:05.284 INFO [stderr] 
Dec 11 23:48:05.284 INFO [stderr] warning: unused import: `std::path::Path`
Dec 11 23:48:05.284 INFO [stderr]  --> src/library2/src/lib.rs:2:5
Dec 11 23:48:05.284 INFO [stderr]   |
Dec 11 23:48:05.284 INFO [stderr] 2 | use std::path::Path;
Dec 11 23:48:05.284 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 23:48:05.284 INFO [stderr] 
Dec 11 23:48:05.284 INFO [stderr] warning: unused import: `std::sync::atomic::AtomicPtr`
Dec 11 23:48:05.284 INFO [stderr]  --> src/library2/src/lib.rs:3:5
Dec 11 23:48:05.284 INFO [stderr]   |
Dec 11 23:48:05.284 INFO [stderr] 3 | use std::sync::atomic::AtomicPtr;
Dec 11 23:48:05.284 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:48:05.284 INFO [stderr] 
Dec 11 23:48:05.284 INFO [stderr] warning: unused import: `std::sync::atomic::Ordering`
Dec 11 23:48:05.284 INFO [stderr]  --> src/library2/src/lib.rs:4:5
Dec 11 23:48:05.284 INFO [stderr]   |
Dec 11 23:48:05.284 INFO [stderr] 4 | use std::sync::atomic::Ordering;
Dec 11 23:48:05.284 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:48:05.284 INFO [stderr] 
Dec 11 23:48:05.328 INFO [stderr]     Checking learning-rust v0.1.0 (/source)
Dec 11 23:48:05.796 INFO [stderr] warning: unused import: `library2::add`
Dec 11 23:48:05.796 INFO [stderr]  --> src/main.rs:2:5
Dec 11 23:48:05.796 INFO [stderr]   |
Dec 11 23:48:05.796 INFO [stderr] 2 | use library2::add;
Dec 11 23:48:05.796 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 11 23:48:05.796 INFO [stderr]   |
Dec 11 23:48:05.796 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 23:48:05.796 INFO [stderr] 
Dec 11 23:48:06.031 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
Dec 11 23:48:06.031 INFO [stderr] su: No module specific data is present
Dec 11 23:48:07.164 INFO running `"docker" "inspect" "1d0120538bd367ec70d9e2bb1d564ca2980d340229c28468fcdb5f0bb8b76cea"`
Dec 11 23:48:07.406 INFO running `"docker" "rm" "-f" "1d0120538bd367ec70d9e2bb1d564ca2980d340229c28468fcdb5f0bb8b76cea"`
Dec 11 23:48:07.772 INFO [stdout] 1d0120538bd367ec70d9e2bb1d564ca2980d340229c28468fcdb5f0bb8b76cea