Dec 19 21:30:50.461 INFO checking TyRoXx/learning-rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:30:50.461 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/TyRoXx/learning-rust:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:30:51.006 INFO [stdout] 3e211cb53392737cbf56da6d43d907baaf89e11337519ee5c69d66302c4f573e
Dec 19 21:30:51.010 INFO running `"docker" "start" "-a" "3e211cb53392737cbf56da6d43d907baaf89e11337519ee5c69d66302c4f573e"`
Dec 19 21:30:52.936 INFO [stderr]     Checking library2 v0.1.0 (/opt/crater/workdir/src/library2)
Dec 19 21:30:53.243 INFO [stderr] warning: unused import: `std::fs::read_dir`
Dec 19 21:30:53.243 INFO [stderr]  --> src/library2/src/lib.rs:1:5
Dec 19 21:30:53.243 INFO [stderr]   |
Dec 19 21:30:53.243 INFO [stderr] 1 | use std::fs::read_dir;
Dec 19 21:30:53.243 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 21:30:53.243 INFO [stderr]   |
Dec 19 21:30:53.244 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:30:53.244 INFO [stderr] 
Dec 19 21:30:53.244 INFO [stderr] warning: unused import: `std::path::Path`
Dec 19 21:30:53.245 INFO [stderr]  --> src/library2/src/lib.rs:2:5
Dec 19 21:30:53.245 INFO [stderr]   |
Dec 19 21:30:53.245 INFO [stderr] 2 | use std::path::Path;
Dec 19 21:30:53.245 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 21:30:53.245 INFO [stderr] 
Dec 19 21:30:53.246 INFO [stderr] warning: unused import: `std::sync::atomic::AtomicPtr`
Dec 19 21:30:53.246 INFO [stderr]  --> src/library2/src/lib.rs:3:5
Dec 19 21:30:53.246 INFO [stderr]   |
Dec 19 21:30:53.246 INFO [stderr] 3 | use std::sync::atomic::AtomicPtr;
Dec 19 21:30:53.247 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:30:53.247 INFO [stderr] 
Dec 19 21:30:53.247 INFO [stderr] warning: unused import: `std::sync::atomic::Ordering`
Dec 19 21:30:53.247 INFO [stderr]  --> src/library2/src/lib.rs:4:5
Dec 19 21:30:53.247 INFO [stderr]   |
Dec 19 21:30:53.247 INFO [stderr] 4 | use std::sync::atomic::Ordering;
Dec 19 21:30:53.268 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:30:53.268 INFO [stderr] 
Dec 19 21:30:53.298 INFO [stderr]     Checking learning-rust v0.1.0 (/opt/crater/workdir)
Dec 19 21:30:53.612 INFO [stderr] warning: unused import: `library2::add`
Dec 19 21:30:53.612 INFO [stderr]  --> src/main.rs:2:5
Dec 19 21:30:53.612 INFO [stderr]   |
Dec 19 21:30:53.612 INFO [stderr] 2 | use library2::add;
Dec 19 21:30:53.612 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 21:30:53.612 INFO [stderr]   |
Dec 19 21:30:53.612 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:30:53.612 INFO [stderr] 
Dec 19 21:30:53.806 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Dec 19 21:30:54.720 INFO running `"docker" "inspect" "3e211cb53392737cbf56da6d43d907baaf89e11337519ee5c69d66302c4f573e"`
Dec 19 21:30:55.144 INFO running `"docker" "rm" "-f" "3e211cb53392737cbf56da6d43d907baaf89e11337519ee5c69d66302c4f573e"`
Dec 19 21:30:55.388 INFO [stdout] 3e211cb53392737cbf56da6d43d907baaf89e11337519ee5c69d66302c4f573e