Dec 11 14:40:27.105 INFO checking lnenad/image-to-ascii against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 14:40:27.105 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 14:40:27.681 INFO [stdout] a4aa1fb5bcd6c02b7b5c9d3d31e6fdb7d78fb550dd7bba3f3ce3dd0a78620dea
Dec 11 14:40:27.683 INFO running `"docker" "start" "-a" "a4aa1fb5bcd6c02b7b5c9d3d31e6fdb7d78fb550dd7bba3f3ce3dd0a78620dea"`
Dec 11 14:40:29.151 INFO [stderr] usermod: no changes
Dec 11 14:40:29.288 INFO [stderr]     Checking imagetoascii v0.1.0 (/source)
Dec 11 14:40:31.676 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:40:31.680 INFO [stderr]   --> src/main.rs:32:9
Dec 11 14:40:31.680 INFO [stderr]    |
Dec 11 14:40:31.680 INFO [stderr] 32 |         generate_preview(&output.replace(".txt", ".html"), &contents);
Dec 11 14:40:31.680 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:40:31.680 INFO [stderr]    |
Dec 11 14:40:31.680 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 14:40:31.680 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:40:31.680 INFO [stderr] 
Dec 11 14:40:31.803 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:40:31.803 INFO [stderr]   --> src/main.rs:32:9
Dec 11 14:40:31.803 INFO [stderr]    |
Dec 11 14:40:31.803 INFO [stderr] 32 |         generate_preview(&output.replace(".txt", ".html"), &contents);
Dec 11 14:40:31.803 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:40:31.803 INFO [stderr]    |
Dec 11 14:40:31.803 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 14:40:31.803 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:40:31.803 INFO [stderr] 
Dec 11 14:40:31.841 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
Dec 11 14:40:31.852 INFO [stderr] su: No module specific data is present
Dec 11 14:40:33.128 INFO running `"docker" "inspect" "a4aa1fb5bcd6c02b7b5c9d3d31e6fdb7d78fb550dd7bba3f3ce3dd0a78620dea"`
Dec 11 14:40:33.436 INFO running `"docker" "rm" "-f" "a4aa1fb5bcd6c02b7b5c9d3d31e6fdb7d78fb550dd7bba3f3ce3dd0a78620dea"`
Dec 11 14:40:33.676 INFO [stdout] a4aa1fb5bcd6c02b7b5c9d3d31e6fdb7d78fb550dd7bba3f3ce3dd0a78620dea