Dec 11 20:21:08.458 INFO checking ctiedt/fibonacci against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 20:21:08.458 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 20:21:08.996 INFO [stdout] 73674557acd4551b3e87ab0afec086764d4f96bab953f97f420d8efde13d0d5c
Dec 11 20:21:09.000 INFO running `"docker" "start" "-a" "73674557acd4551b3e87ab0afec086764d4f96bab953f97f420d8efde13d0d5c"`
Dec 11 20:21:10.512 INFO [stderr] usermod: no changes
Dec 11 20:21:10.676 INFO [stderr]    Compiling proc-macro2 v0.4.12
Dec 11 20:21:13.785 INFO [stderr]    Compiling quote v0.6.6
Dec 11 20:21:14.578 INFO [stderr]    Compiling syn v0.14.8
Dec 11 20:21:22.585 INFO [stderr]    Compiling num-derive v0.2.2
Dec 11 20:21:24.605 INFO [stderr]     Checking image v0.19.0
Dec 11 20:21:30.740 INFO [stderr]     Checking fibonacci v0.1.0 (/source)
Dec 11 20:21:33.928 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:21:33.928 INFO [stderr]   --> src/main.rs:46:5
Dec 11 20:21:33.928 INFO [stderr]    |
Dec 11 20:21:33.928 INFO [stderr] 46 |     img.save(p);
Dec 11 20:21:33.928 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 11 20:21:33.928 INFO [stderr]    |
Dec 11 20:21:33.928 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 20:21:33.928 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:21:33.928 INFO [stderr] 
Dec 11 20:21:33.980 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:21:33.980 INFO [stderr]   --> src/main.rs:46:5
Dec 11 20:21:33.980 INFO [stderr]    |
Dec 11 20:21:33.980 INFO [stderr] 46 |     img.save(p);
Dec 11 20:21:33.980 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 11 20:21:33.980 INFO [stderr]    |
Dec 11 20:21:33.980 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 20:21:33.980 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:21:33.980 INFO [stderr] 
Dec 11 20:21:34.010 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.48s
Dec 11 20:21:34.019 INFO [stderr] su: No module specific data is present
Dec 11 20:21:34.726 INFO running `"docker" "inspect" "73674557acd4551b3e87ab0afec086764d4f96bab953f97f420d8efde13d0d5c"`
Dec 11 20:21:34.940 INFO running `"docker" "rm" "-f" "73674557acd4551b3e87ab0afec086764d4f96bab953f97f420d8efde13d0d5c"`
Dec 11 20:21:35.264 INFO [stdout] 73674557acd4551b3e87ab0afec086764d4f96bab953f97f420d8efde13d0d5c