Dec 05 04:21:48.311 INFO checking welle-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 04:21:48.311 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 04:21:48.715 INFO [stdout] d1113df7d7f40b93868cd40337c8a7e1f754baa9f3de11ae54f6d568f0984208
Dec 05 04:21:48.723 INFO running `"docker" "start" "-a" "d1113df7d7f40b93868cd40337c8a7e1f754baa9f3de11ae54f6d568f0984208"`
Dec 05 04:21:50.039 INFO [stderr] usermod: no changes
Dec 05 04:21:50.549 INFO [stderr]     Checking welle v0.1.0 (/source)
Dec 05 04:22:00.947 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:22:00.947 INFO [stderr]    --> src/main.rs:204:9
Dec 05 04:22:00.947 INFO [stderr]     |
Dec 05 04:22:00.947 INFO [stderr] 204 |         writeln!(f, "");
Dec 05 04:22:00.947 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 05 04:22:00.947 INFO [stderr]     |
Dec 05 04:22:00.947 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 04:22:00.947 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:22:00.947 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 04:22:00.947 INFO [stderr] 
Dec 05 04:22:00.947 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:22:00.947 INFO [stderr]    --> src/main.rs:213:9
Dec 05 04:22:00.947 INFO [stderr]     |
Dec 05 04:22:00.947 INFO [stderr] 213 |         writeln!(f, "");
Dec 05 04:22:00.947 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 05 04:22:00.947 INFO [stderr]     |
Dec 05 04:22:00.947 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:22:00.947 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 04:22:00.947 INFO [stderr] 
Dec 05 04:22:00.947 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:22:00.947 INFO [stderr]    --> src/main.rs:214:9
Dec 05 04:22:00.947 INFO [stderr]     |
Dec 05 04:22:00.947 INFO [stderr] 214 | /         writeln!(
Dec 05 04:22:00.947 INFO [stderr] 215 | |             f,
Dec 05 04:22:00.947 INFO [stderr] 216 | |             "Percentage of the requests served within a certain time:"
Dec 05 04:22:00.947 INFO [stderr] 217 | |         );
Dec 05 04:22:00.947 INFO [stderr]     | |__________^
Dec 05 04:22:00.947 INFO [stderr]     |
Dec 05 04:22:00.947 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:22:00.947 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 04:22:00.947 INFO [stderr] 
Dec 05 04:22:00.997 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:22:00.998 INFO [stderr]    --> src/main.rs:204:9
Dec 05 04:22:00.998 INFO [stderr]     |
Dec 05 04:22:00.998 INFO [stderr] 204 |         writeln!(f, "");
Dec 05 04:22:00.998 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 05 04:22:00.999 INFO [stderr]     |
Dec 05 04:22:00.999 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 04:22:00.999 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:22:01.000 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 04:22:01.000 INFO [stderr] 
Dec 05 04:22:01.000 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:22:01.001 INFO [stderr]    --> src/main.rs:213:9
Dec 05 04:22:01.001 INFO [stderr]     |
Dec 05 04:22:01.001 INFO [stderr] 213 |         writeln!(f, "");
Dec 05 04:22:01.001 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 05 04:22:01.002 INFO [stderr]     |
Dec 05 04:22:01.002 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:22:01.002 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 04:22:01.003 INFO [stderr] 
Dec 05 04:22:01.003 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:22:01.003 INFO [stderr]    --> src/main.rs:214:9
Dec 05 04:22:01.003 INFO [stderr]     |
Dec 05 04:22:01.004 INFO [stderr] 214 | /         writeln!(
Dec 05 04:22:01.004 INFO [stderr] 215 | |             f,
Dec 05 04:22:01.004 INFO [stderr] 216 | |             "Percentage of the requests served within a certain time:"
Dec 05 04:22:01.004 INFO [stderr] 217 | |         );
Dec 05 04:22:01.005 INFO [stderr]     | |__________^
Dec 05 04:22:01.005 INFO [stderr]     |
Dec 05 04:22:01.005 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:22:01.006 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 04:22:01.006 INFO [stderr] 
Dec 05 04:22:01.063 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.99s
Dec 05 04:22:01.091 INFO [stderr] su: No module specific data is present
Dec 05 04:22:02.092 INFO running `"docker" "inspect" "d1113df7d7f40b93868cd40337c8a7e1f754baa9f3de11ae54f6d568f0984208"`
Dec 05 04:22:02.353 INFO running `"docker" "rm" "-f" "d1113df7d7f40b93868cd40337c8a7e1f754baa9f3de11ae54f6d568f0984208"`
Dec 05 04:22:02.612 INFO [stdout] d1113df7d7f40b93868cd40337c8a7e1f754baa9f3de11ae54f6d568f0984208