Dec 11 18:10:29.601 INFO checking garretttaco/rename against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 18:10:29.602 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 18:10:29.988 INFO [stdout] 40e1c2c1acd6bb10252d7f38928bfcead3893eccf558876c7b04224b59842ef3
Dec 11 18:10:29.994 INFO running `"docker" "start" "-a" "40e1c2c1acd6bb10252d7f38928bfcead3893eccf558876c7b04224b59842ef3"`
Dec 11 18:10:31.152 INFO [stderr] usermod: no changes
Dec 11 18:10:31.228 INFO [stderr]     Checking clap v2.29.0
Dec 11 18:10:38.722 INFO [stderr]     Checking rename v0.1.0 (/source)
Dec 11 18:10:39.472 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 18:10:39.472 INFO [stderr]   --> src/main.rs:20:9
Dec 11 18:10:39.472 INFO [stderr]    |
Dec 11 18:10:39.472 INFO [stderr] 20 |         fs::rename(&file_name, &updated_name);
Dec 11 18:10:39.472 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 18:10:39.472 INFO [stderr]    |
Dec 11 18:10:39.472 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 18:10:39.472 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 18:10:39.472 INFO [stderr] 
Dec 11 18:10:39.705 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 18:10:39.705 INFO [stderr]   --> src/main.rs:20:9
Dec 11 18:10:39.705 INFO [stderr]    |
Dec 11 18:10:39.705 INFO [stderr] 20 |         fs::rename(&file_name, &updated_name);
Dec 11 18:10:39.705 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 18:10:39.705 INFO [stderr]    |
Dec 11 18:10:39.705 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 18:10:39.705 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 18:10:39.705 INFO [stderr] 
Dec 11 18:10:39.725 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.55s
Dec 11 18:10:39.730 INFO [stderr] su: No module specific data is present
Dec 11 18:10:40.499 INFO running `"docker" "inspect" "40e1c2c1acd6bb10252d7f38928bfcead3893eccf558876c7b04224b59842ef3"`
Dec 11 18:10:40.778 INFO running `"docker" "rm" "-f" "40e1c2c1acd6bb10252d7f38928bfcead3893eccf558876c7b04224b59842ef3"`
Dec 11 18:10:41.045 INFO [stdout] 40e1c2c1acd6bb10252d7f38928bfcead3893eccf558876c7b04224b59842ef3