Dec 04 13:41:45.300 INFO checking msehnout/redesigned-chainsaw against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 13:41:45.300 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 13:41:45.743 INFO [stdout] 1eb885bb1d5b30d5aedb69775d121eb9c0bf6d6f92379b0b18e4b3469b5d97b8
Dec 04 13:41:45.751 INFO running `"docker" "start" "-a" "1eb885bb1d5b30d5aedb69775d121eb9c0bf6d6f92379b0b18e4b3469b5d97b8"`
Dec 04 13:41:47.019 INFO [stderr] usermod: no changes
Dec 04 13:41:47.065 INFO [stderr]     Checking redesigned-chainsaw v0.1.0 (/source)
Dec 04 13:41:47.603 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:41:47.603 INFO [stderr]    --> src/main.rs:108:9
Dec 04 13:41:47.603 INFO [stderr]     |
Dec 04 13:41:47.603 INFO [stderr] 108 |     let mut file_name;
Dec 04 13:41:47.603 INFO [stderr]     |         ----^^^^^^^^^
Dec 04 13:41:47.603 INFO [stderr]     |         |
Dec 04 13:41:47.603 INFO [stderr]     |         help: remove this `mut`
Dec 04 13:41:47.603 INFO [stderr]     |
Dec 04 13:41:47.603 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 13:41:47.603 INFO [stderr] 
Dec 04 13:41:47.624 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 13:41:47.624 INFO [stderr]    --> src/main.rs:120:5
Dec 04 13:41:47.624 INFO [stderr]     |
Dec 04 13:41:47.624 INFO [stderr] 120 |     file.read_to_string(&mut tape);
Dec 04 13:41:47.624 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:41:47.624 INFO [stderr]     |
Dec 04 13:41:47.637 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 13:41:47.637 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 13:41:47.637 INFO [stderr] 
Dec 04 13:41:47.667 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:41:47.667 INFO [stderr]    --> src/main.rs:108:9
Dec 04 13:41:47.667 INFO [stderr]     |
Dec 04 13:41:47.667 INFO [stderr] 108 |     let mut file_name;
Dec 04 13:41:47.667 INFO [stderr]     |         ----^^^^^^^^^
Dec 04 13:41:47.667 INFO [stderr]     |         |
Dec 04 13:41:47.667 INFO [stderr]     |         help: remove this `mut`
Dec 04 13:41:47.668 INFO [stderr]     |
Dec 04 13:41:47.668 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 13:41:47.668 INFO [stderr] 
Dec 04 13:41:47.679 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 13:41:47.679 INFO [stderr]    --> src/main.rs:120:5
Dec 04 13:41:47.679 INFO [stderr]     |
Dec 04 13:41:47.680 INFO [stderr] 120 |     file.read_to_string(&mut tape);
Dec 04 13:41:47.680 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:41:47.680 INFO [stderr]     |
Dec 04 13:41:47.680 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 13:41:47.680 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 13:41:47.680 INFO [stderr] 
Dec 04 13:41:47.700 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 04 13:41:47.702 INFO [stderr] su: No module specific data is present
Dec 04 13:41:49.002 INFO running `"docker" "inspect" "1eb885bb1d5b30d5aedb69775d121eb9c0bf6d6f92379b0b18e4b3469b5d97b8"`
Dec 04 13:41:49.295 INFO running `"docker" "rm" "-f" "1eb885bb1d5b30d5aedb69775d121eb9c0bf6d6f92379b0b18e4b3469b5d97b8"`
Dec 04 13:41:49.611 INFO [stdout] 1eb885bb1d5b30d5aedb69775d121eb9c0bf6d6f92379b0b18e4b3469b5d97b8