Dec 11 13:11:38.370 INFO checking msehnout/redesigned-chainsaw against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 13:11:38.370 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 13:11:39.018 INFO [stdout] 4c57661d530b5f4d9cd9cab0f0afe7c00597cc449f086c6812e82b1de832e25f
Dec 11 13:11:39.020 INFO running `"docker" "start" "-a" "4c57661d530b5f4d9cd9cab0f0afe7c00597cc449f086c6812e82b1de832e25f"`
Dec 11 13:11:40.524 INFO [stderr] usermod: no changes
Dec 11 13:11:40.596 INFO [stderr]     Checking redesigned-chainsaw v0.1.0 (/source)
Dec 11 13:11:41.088 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:11:41.088 INFO [stderr]    --> src/main.rs:108:9
Dec 11 13:11:41.088 INFO [stderr]     |
Dec 11 13:11:41.088 INFO [stderr] 108 |     let mut file_name;
Dec 11 13:11:41.088 INFO [stderr]     |         ----^^^^^^^^^
Dec 11 13:11:41.088 INFO [stderr]     |         |
Dec 11 13:11:41.088 INFO [stderr]     |         help: remove this `mut`
Dec 11 13:11:41.088 INFO [stderr]     |
Dec 11 13:11:41.088 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 13:11:41.088 INFO [stderr] 
Dec 11 13:11:41.088 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:11:41.088 INFO [stderr]    --> src/main.rs:108:9
Dec 11 13:11:41.088 INFO [stderr]     |
Dec 11 13:11:41.088 INFO [stderr] 108 |     let mut file_name;
Dec 11 13:11:41.088 INFO [stderr]     |         ----^^^^^^^^^
Dec 11 13:11:41.088 INFO [stderr]     |         |
Dec 11 13:11:41.088 INFO [stderr]     |         help: remove this `mut`
Dec 11 13:11:41.088 INFO [stderr]     |
Dec 11 13:11:41.088 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 13:11:41.088 INFO [stderr] 
Dec 11 13:11:41.100 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 13:11:41.100 INFO [stderr]    --> src/main.rs:120:5
Dec 11 13:11:41.100 INFO [stderr]     |
Dec 11 13:11:41.100 INFO [stderr] 120 |     file.read_to_string(&mut tape);
Dec 11 13:11:41.100 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:11:41.100 INFO [stderr]     |
Dec 11 13:11:41.100 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 13:11:41.100 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 13:11:41.100 INFO [stderr] 
Dec 11 13:11:41.100 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 13:11:41.100 INFO [stderr]    --> src/main.rs:120:5
Dec 11 13:11:41.100 INFO [stderr]     |
Dec 11 13:11:41.100 INFO [stderr] 120 |     file.read_to_string(&mut tape);
Dec 11 13:11:41.100 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:11:41.100 INFO [stderr]     |
Dec 11 13:11:41.100 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 13:11:41.100 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 13:11:41.100 INFO [stderr] 
Dec 11 13:11:41.156 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Dec 11 13:11:41.156 INFO [stderr] su: No module specific data is present
Dec 11 13:11:41.842 INFO running `"docker" "inspect" "4c57661d530b5f4d9cd9cab0f0afe7c00597cc449f086c6812e82b1de832e25f"`
Dec 11 13:11:42.224 INFO running `"docker" "rm" "-f" "4c57661d530b5f4d9cd9cab0f0afe7c00597cc449f086c6812e82b1de832e25f"`
Dec 11 13:11:42.501 INFO [stdout] 4c57661d530b5f4d9cd9cab0f0afe7c00597cc449f086c6812e82b1de832e25f