Dec 05 03:47:38.552 INFO checking zopen-0.3.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 03:47:38.552 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 05 03:47:39.049 INFO [stdout] 63ded856c987bcd201e91de504e8ce35c77211577e674c395e0bcaba5cf4ea9b
Dec 05 03:47:39.051 INFO running `"docker" "start" "-a" "63ded856c987bcd201e91de504e8ce35c77211577e674c395e0bcaba5cf4ea9b"`
Dec 05 03:47:41.439 INFO [stderr] usermod: no changes
Dec 05 03:47:41.611 INFO [stderr]     Checking zopen v0.3.1 (/source)
Dec 05 03:47:43.499 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:47:43.499 INFO [stderr]    --> src/tool.rs:189:13
Dec 05 03:47:43.499 INFO [stderr]     |
Dec 05 03:47:43.499 INFO [stderr] 189 |             writeln!(output, "Welt");
Dec 05 03:47:43.499 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:47:43.499 INFO [stderr]     |
Dec 05 03:47:43.499 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 03:47:43.499 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:47:43.499 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 03:47:43.499 INFO [stderr] 
Dec 05 03:47:43.499 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:47:43.499 INFO [stderr]    --> src/tool.rs:190:13
Dec 05 03:47:43.499 INFO [stderr]     |
Dec 05 03:47:43.499 INFO [stderr] 190 |             writeln!(output, "Hallo");
Dec 05 03:47:43.499 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:47:43.499 INFO [stderr]     |
Dec 05 03:47:43.499 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:47:43.499 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 03:47:43.499 INFO [stderr] 
Dec 05 03:47:43.531 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
Dec 05 03:47:43.535 INFO [stderr] su: No module specific data is present
Dec 05 03:47:44.229 INFO running `"docker" "inspect" "63ded856c987bcd201e91de504e8ce35c77211577e674c395e0bcaba5cf4ea9b"`
Dec 05 03:47:44.469 INFO running `"docker" "rm" "-f" "63ded856c987bcd201e91de504e8ce35c77211577e674c395e0bcaba5cf4ea9b"`
Dec 05 03:47:44.775 INFO [stdout] 63ded856c987bcd201e91de504e8ce35c77211577e674c395e0bcaba5cf4ea9b