Dec 04 15:05:38.721 INFO checking lnenad/image-to-ascii against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 15:05:38.722 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 15:05:39.276 INFO [stdout] 51cfc1624db234ef4c2c5508da3f5eb2e2badd6b8d062fd732e4730f75dbc9de
Dec 04 15:05:39.278 INFO running `"docker" "start" "-a" "51cfc1624db234ef4c2c5508da3f5eb2e2badd6b8d062fd732e4730f75dbc9de"`
Dec 04 15:05:41.035 INFO [stderr] usermod: no changes
Dec 04 15:05:41.240 INFO [stderr]     Checking imagetoascii v0.1.0 (/source)
Dec 04 15:05:43.919 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:05:43.919 INFO [stderr]   --> src/main.rs:32:9
Dec 04 15:05:43.919 INFO [stderr]    |
Dec 04 15:05:43.919 INFO [stderr] 32 |         generate_preview(&output.replace(".txt", ".html"), &contents);
Dec 04 15:05:43.919 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:05:43.919 INFO [stderr]    |
Dec 04 15:05:43.919 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:05:43.919 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:05:43.919 INFO [stderr] 
Dec 04 15:05:43.990 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:05:43.990 INFO [stderr]   --> src/main.rs:32:9
Dec 04 15:05:43.990 INFO [stderr]    |
Dec 04 15:05:43.991 INFO [stderr] 32 |         generate_preview(&output.replace(".txt", ".html"), &contents);
Dec 04 15:05:43.991 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:05:43.991 INFO [stderr]    |
Dec 04 15:05:43.991 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:05:43.991 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:05:43.991 INFO [stderr] 
Dec 04 15:05:44.031 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
Dec 04 15:05:44.039 INFO [stderr] su: No module specific data is present
Dec 04 15:05:45.567 INFO running `"docker" "inspect" "51cfc1624db234ef4c2c5508da3f5eb2e2badd6b8d062fd732e4730f75dbc9de"`
Dec 04 15:05:45.805 INFO running `"docker" "rm" "-f" "51cfc1624db234ef4c2c5508da3f5eb2e2badd6b8d062fd732e4730f75dbc9de"`
Dec 04 15:05:46.091 INFO [stdout] 51cfc1624db234ef4c2c5508da3f5eb2e2badd6b8d062fd732e4730f75dbc9de