Dec 04 15:51:24.874 INFO checking kevlarr/rusty-calc against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481 Dec 04 15:51:24.874 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 15:51:25.371 INFO [stdout] 1e645c22f3a375939ea9ad29e96f87639dfe6203db6f234b9eb6aa534b4bda8b Dec 04 15:51:25.375 INFO running `"docker" "start" "-a" "1e645c22f3a375939ea9ad29e96f87639dfe6203db6f234b9eb6aa534b4bda8b"` Dec 04 15:51:26.571 INFO [stderr] usermod: no changes Dec 04 15:51:26.635 INFO [stderr] Checking rustycalc v0.1.0 (/source) Dec 04 15:51:27.175 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:51:27.175 INFO [stderr] --> src/types/binary.rs:111:9 Dec 04 15:51:27.175 INFO [stderr] | Dec 04 15:51:27.175 INFO [stderr] 111 | write!(f, "0b"); Dec 04 15:51:27.175 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 04 15:51:27.175 INFO [stderr] | Dec 04 15:51:27.175 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 04 15:51:27.175 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:51:27.175 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 04 15:51:27.175 INFO [stderr] Dec 04 15:51:27.175 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:51:27.175 INFO [stderr] --> src/types/binary.rs:115:17 Dec 04 15:51:27.175 INFO [stderr] | Dec 04 15:51:27.175 INFO [stderr] 115 | write!(f, "_"); Dec 04 15:51:27.175 INFO [stderr] | ^^^^^^^^^^^^^^^ Dec 04 15:51:27.175 INFO [stderr] | Dec 04 15:51:27.175 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:51:27.175 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 04 15:51:27.175 INFO [stderr] Dec 04 15:51:27.355 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:51:27.355 INFO [stderr] --> src/types/binary.rs:111:9 Dec 04 15:51:27.355 INFO [stderr] | Dec 04 15:51:27.356 INFO [stderr] 111 | write!(f, "0b"); Dec 04 15:51:27.356 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 04 15:51:27.359 INFO [stderr] | Dec 04 15:51:27.359 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 04 15:51:27.360 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:51:27.360 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 04 15:51:27.360 INFO [stderr] Dec 04 15:51:27.361 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:51:27.361 INFO [stderr] --> src/types/binary.rs:115:17 Dec 04 15:51:27.362 INFO [stderr] | Dec 04 15:51:27.362 INFO [stderr] 115 | write!(f, "_"); Dec 04 15:51:27.362 INFO [stderr] | ^^^^^^^^^^^^^^^ Dec 04 15:51:27.362 INFO [stderr] | Dec 04 15:51:27.362 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:51:27.363 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 04 15:51:27.363 INFO [stderr] Dec 04 15:51:27.967 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.36s Dec 04 15:51:27.968 INFO [stderr] su: No module specific data is present Dec 04 15:51:28.676 INFO running `"docker" "inspect" "1e645c22f3a375939ea9ad29e96f87639dfe6203db6f234b9eb6aa534b4bda8b"` Dec 04 15:51:28.941 INFO running `"docker" "rm" "-f" "1e645c22f3a375939ea9ad29e96f87639dfe6203db6f234b9eb6aa534b4bda8b"` Dec 04 15:51:29.251 INFO [stdout] 1e645c22f3a375939ea9ad29e96f87639dfe6203db6f234b9eb6aa534b4bda8b