Dec 18 05:03:26.875 INFO checking TyRoXx/learning-rust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:03:26.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:03:27.389 INFO [stdout] 8841783dfd41ec6e8978f38cd1da6438c5b4b74fd05cbfc5ecf7177df4af05fe
Dec 18 05:03:27.394 INFO running `"docker" "start" "-a" "8841783dfd41ec6e8978f38cd1da6438c5b4b74fd05cbfc5ecf7177df4af05fe"`
Dec 18 05:03:28.821 INFO [stderr]     Checking library2 v0.1.0 (/opt/crater/workdir/src/library2)
Dec 18 05:03:29.124 INFO [stderr] warning: unused import: `std::fs::read_dir`
Dec 18 05:03:29.124 INFO [stderr]  --> src/library2/src/lib.rs:1:5
Dec 18 05:03:29.124 INFO [stderr]   |
Dec 18 05:03:29.124 INFO [stderr] 1 | use std::fs::read_dir;
Dec 18 05:03:29.124 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 05:03:29.124 INFO [stderr]   |
Dec 18 05:03:29.124 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 05:03:29.124 INFO [stderr] 
Dec 18 05:03:29.124 INFO [stderr] warning: unused import: `std::path::Path`
Dec 18 05:03:29.124 INFO [stderr]  --> src/library2/src/lib.rs:2:5
Dec 18 05:03:29.124 INFO [stderr]   |
Dec 18 05:03:29.124 INFO [stderr] 2 | use std::path::Path;
Dec 18 05:03:29.124 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 18 05:03:29.124 INFO [stderr] 
Dec 18 05:03:29.124 INFO [stderr] warning: unused import: `std::sync::atomic::AtomicPtr`
Dec 18 05:03:29.124 INFO [stderr]  --> src/library2/src/lib.rs:3:5
Dec 18 05:03:29.125 INFO [stderr]   |
Dec 18 05:03:29.125 INFO [stderr] 3 | use std::sync::atomic::AtomicPtr;
Dec 18 05:03:29.125 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:03:29.125 INFO [stderr] 
Dec 18 05:03:29.125 INFO [stderr] warning: unused import: `std::sync::atomic::Ordering`
Dec 18 05:03:29.125 INFO [stderr]  --> src/library2/src/lib.rs:4:5
Dec 18 05:03:29.125 INFO [stderr]   |
Dec 18 05:03:29.125 INFO [stderr] 4 | use std::sync::atomic::Ordering;
Dec 18 05:03:29.125 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:03:29.125 INFO [stderr] 
Dec 18 05:03:29.164 INFO [stderr]     Checking learning-rust v0.1.0 (/opt/crater/workdir)
Dec 18 05:03:29.484 INFO [stderr] warning: unused import: `library2::add`
Dec 18 05:03:29.484 INFO [stderr]  --> src/main.rs:2:5
Dec 18 05:03:29.484 INFO [stderr]   |
Dec 18 05:03:29.484 INFO [stderr] 2 | use library2::add;
Dec 18 05:03:29.484 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 18 05:03:29.484 INFO [stderr]   |
Dec 18 05:03:29.484 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 05:03:29.484 INFO [stderr] 
Dec 18 05:03:29.645 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Dec 18 05:03:30.550 INFO running `"docker" "inspect" "8841783dfd41ec6e8978f38cd1da6438c5b4b74fd05cbfc5ecf7177df4af05fe"`
Dec 18 05:03:30.948 INFO running `"docker" "rm" "-f" "8841783dfd41ec6e8978f38cd1da6438c5b4b74fd05cbfc5ecf7177df4af05fe"`
Dec 18 05:03:31.372 INFO [stdout] 8841783dfd41ec6e8978f38cd1da6438c5b4b74fd05cbfc5ecf7177df4af05fe