Dec 06 16:19:12.225 INFO testing 0ncorhynchus/cafemake against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 16:19:12.225 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 06 16:19:12.390 INFO [stdout] 8163ca96bf71228d427def7c6baed21b0ad071fffdb4a64120cfa25de2b7aff3
Dec 06 16:19:12.392 INFO running `"docker" "start" "-a" "8163ca96bf71228d427def7c6baed21b0ad071fffdb4a64120cfa25de2b7aff3"`
Dec 06 16:19:12.769 INFO [stderr] usermod: no changes
Dec 06 16:19:12.860 INFO [stderr]    Compiling cafemake v0.1.1 (/source)
Dec 06 16:19:14.724 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.725 INFO [stderr]  --> src/out/make.rs:5:5
Dec 06 16:19:14.725 INFO [stderr]   |
Dec 06 16:19:14.725 INFO [stderr] 5 |     writeln!(&mut f, ".SUFFIXES:");
Dec 06 16:19:14.725 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.725 INFO [stderr]   |
Dec 06 16:19:14.725 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 06 16:19:14.725 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.725 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 06 16:19:14.725 INFO [stderr] 
Dec 06 16:19:14.725 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.725 INFO [stderr]  --> src/out/make.rs:6:5
Dec 06 16:19:14.725 INFO [stderr]   |
Dec 06 16:19:14.725 INFO [stderr] 6 |     writeln!(&mut f);
Dec 06 16:19:14.725 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.725 INFO [stderr]   |
Dec 06 16:19:14.725 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.725 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 06 16:19:14.725 INFO [stderr] 
Dec 06 16:19:14.725 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.725 INFO [stderr]  --> src/out/make.rs:9:9
Dec 06 16:19:14.725 INFO [stderr]   |
Dec 06 16:19:14.725 INFO [stderr] 9 |         writeln!(&mut f, "{0} = {1}", name, value);
Dec 06 16:19:14.725 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.725 INFO [stderr]   |
Dec 06 16:19:14.725 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.725 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 06 16:19:14.725 INFO [stderr] 
Dec 06 16:19:14.725 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.725 INFO [stderr]   --> src/out/make.rs:12:5
Dec 06 16:19:14.725 INFO [stderr]    |
Dec 06 16:19:14.725 INFO [stderr] 12 |     writeln!(&mut f);
Dec 06 16:19:14.725 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.725 INFO [stderr]    |
Dec 06 16:19:14.725 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.725 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 06 16:19:14.726 INFO [stderr] 
Dec 06 16:19:14.726 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.726 INFO [stderr]   --> src/out/make.rs:34:5
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr] 34 |     writeln!(&mut f, ".PHONY: clean");
Dec 06 16:19:14.726 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.726 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 06 16:19:14.726 INFO [stderr] 
Dec 06 16:19:14.726 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.726 INFO [stderr]   --> src/out/make.rs:35:5
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr] 35 |     writeln!(&mut f, "clean:");
Dec 06 16:19:14.726 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.726 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 06 16:19:14.726 INFO [stderr] 
Dec 06 16:19:14.726 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.726 INFO [stderr]   --> src/out/make.rs:36:5
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr] 36 |     writeln!(&mut f, "\t@rm -f {}", products.join(" "));
Dec 06 16:19:14.726 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.726 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 06 16:19:14.726 INFO [stderr] 
Dec 06 16:19:14.726 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.726 INFO [stderr]   --> src/out/make.rs:37:5
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr] 37 |     writeln!(&mut f, "\t@echo Cleaning up...");
Dec 06 16:19:14.726 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.726 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 06 16:19:14.726 INFO [stderr] 
Dec 06 16:19:14.726 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.726 INFO [stderr]   --> src/out/make.rs:42:5
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr] 42 |     write!(f, "{}: {}", link.product, link.objects.join(" "));
Dec 06 16:19:14.726 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.726 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 06 16:19:14.726 INFO [stderr] 
Dec 06 16:19:14.726 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.726 INFO [stderr]   --> src/out/make.rs:44:9
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr] 44 |         write!(f, " {}", libs);
Dec 06 16:19:14.726 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.726 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 06 16:19:14.726 INFO [stderr] 
Dec 06 16:19:14.726 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.726 INFO [stderr]   --> src/out/make.rs:46:5
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr] 46 |     writeln!(f);
Dec 06 16:19:14.726 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.726 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 06 16:19:14.726 INFO [stderr] 
Dec 06 16:19:14.726 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.726 INFO [stderr]   --> src/out/make.rs:48:5
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr] 48 |     write!(f, "\t$(fc) -o $@ $<");
Dec 06 16:19:14.726 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.726 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 06 16:19:14.726 INFO [stderr] 
Dec 06 16:19:14.726 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.726 INFO [stderr]   --> src/out/make.rs:50:9
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr] 50 |         write!(f, " -Wl,-start-group {} -Wl,-end-group", libs);
Dec 06 16:19:14.726 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.726 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 06 16:19:14.726 INFO [stderr] 
Dec 06 16:19:14.726 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.726 INFO [stderr]   --> src/out/make.rs:52:5
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr] 52 |     writeln!(f);
Dec 06 16:19:14.726 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 06 16:19:14.726 INFO [stderr]    |
Dec 06 16:19:14.726 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.726 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 06 16:19:14.726 INFO [stderr] 
Dec 06 16:19:14.726 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.727 INFO [stderr]   --> src/out/make.rs:56:5
Dec 06 16:19:14.727 INFO [stderr]    |
Dec 06 16:19:14.727 INFO [stderr] 56 |     writeln!(f, "{}: {}", archive.product, archive.objects.join(" "));
Dec 06 16:19:14.727 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.727 INFO [stderr]    |
Dec 06 16:19:14.727 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.727 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 06 16:19:14.727 INFO [stderr] 
Dec 06 16:19:14.738 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.738 INFO [stderr]   --> src/out/make.rs:57:5
Dec 06 16:19:14.738 INFO [stderr]    |
Dec 06 16:19:14.738 INFO [stderr] 57 |     writeln!(f, "\t$(ar) ruUc $@ $^");
Dec 06 16:19:14.738 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.738 INFO [stderr]    |
Dec 06 16:19:14.738 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.738 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 06 16:19:14.738 INFO [stderr] 
Dec 06 16:19:14.738 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.738 INFO [stderr]   --> src/out/make.rs:61:5
Dec 06 16:19:14.738 INFO [stderr]    |
Dec 06 16:19:14.738 INFO [stderr] 61 |     write!(f, "{}: {}", compile.object, compile.source);
Dec 06 16:19:14.738 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.738 INFO [stderr]    |
Dec 06 16:19:14.738 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.738 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 06 16:19:14.738 INFO [stderr] 
Dec 06 16:19:14.738 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.738 INFO [stderr]   --> src/out/make.rs:63:9
Dec 06 16:19:14.738 INFO [stderr]    |
Dec 06 16:19:14.738 INFO [stderr] 63 |         write!(f, " {}", compile.uses.join(" "));
Dec 06 16:19:14.738 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.738 INFO [stderr]    |
Dec 06 16:19:14.738 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.738 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 06 16:19:14.738 INFO [stderr] 
Dec 06 16:19:14.738 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.738 INFO [stderr]   --> src/out/make.rs:65:5
Dec 06 16:19:14.738 INFO [stderr]    |
Dec 06 16:19:14.738 INFO [stderr] 65 |     writeln!(f);
Dec 06 16:19:14.738 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 06 16:19:14.738 INFO [stderr]    |
Dec 06 16:19:14.738 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.738 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 06 16:19:14.738 INFO [stderr] 
Dec 06 16:19:14.738 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.738 INFO [stderr]   --> src/out/make.rs:66:5
Dec 06 16:19:14.738 INFO [stderr]    |
Dec 06 16:19:14.738 INFO [stderr] 66 |     writeln!(f, "\t$(fc) $(fflags) -c -o $@ $<");
Dec 06 16:19:14.738 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.738 INFO [stderr]    |
Dec 06 16:19:14.738 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.738 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 06 16:19:14.738 INFO [stderr] 
Dec 06 16:19:14.738 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.738 INFO [stderr]   --> src/out/make.rs:69:9
Dec 06 16:19:14.738 INFO [stderr]    |
Dec 06 16:19:14.738 INFO [stderr] 69 |         writeln!(f, "{0}: {1}", module, compile.object);
Dec 06 16:19:14.738 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.738 INFO [stderr]    |
Dec 06 16:19:14.738 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.738 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 06 16:19:14.738 INFO [stderr] 
Dec 06 16:19:14.738 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.738 INFO [stderr]   --> src/out/make.rs:70:9
Dec 06 16:19:14.738 INFO [stderr]    |
Dec 06 16:19:14.738 INFO [stderr] 70 |         writeln!(f, "\ttouch -c $@");
Dec 06 16:19:14.738 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.738 INFO [stderr]    |
Dec 06 16:19:14.738 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.738 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 06 16:19:14.738 INFO [stderr] 
Dec 06 16:19:14.738 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.738 INFO [stderr]   --> src/out/ninja.rs:11:9
Dec 06 16:19:14.738 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr] 11 |         writeln!(&mut f, "{0} = {1}", name, value);
Dec 06 16:19:14.739 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.739 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.739 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 06 16:19:14.739 INFO [stderr] 
Dec 06 16:19:14.739 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.739 INFO [stderr]   --> src/out/ninja.rs:14:5
Dec 06 16:19:14.739 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr] 14 |     writeln!(&mut f);
Dec 06 16:19:14.739 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.739 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.739 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 06 16:19:14.739 INFO [stderr] 
Dec 06 16:19:14.739 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.739 INFO [stderr]   --> src/out/ninja.rs:26:5
Dec 06 16:19:14.739 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr] 26 |     writeln!(&mut f);
Dec 06 16:19:14.739 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.739 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.739 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 06 16:19:14.739 INFO [stderr] 
Dec 06 16:19:14.739 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.739 INFO [stderr]   --> src/out/ninja.rs:32:5
Dec 06 16:19:14.739 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr] 32 | /     writeln!(
Dec 06 16:19:14.739 INFO [stderr] 33 | |         f,
Dec 06 16:19:14.739 INFO [stderr] 34 | |         "default {}",
Dec 06 16:19:14.739 INFO [stderr] 35 | |         build
Dec 06 16:19:14.739 INFO [stderr] ...  |
Dec 06 16:19:14.739 INFO [stderr] 40 | |             .join(" ")
Dec 06 16:19:14.739 INFO [stderr] 41 | |     );
Dec 06 16:19:14.739 INFO [stderr]    | |______^
Dec 06 16:19:14.739 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.739 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 06 16:19:14.739 INFO [stderr] 
Dec 06 16:19:14.739 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.739 INFO [stderr]   --> src/out/ninja.rs:43:5
Dec 06 16:19:14.739 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr] 43 | /     writeln!(
Dec 06 16:19:14.739 INFO [stderr] 44 | |         f,
Dec 06 16:19:14.739 INFO [stderr] 45 | |         "build install: phony {}",
Dec 06 16:19:14.739 INFO [stderr] 46 | |         build
Dec 06 16:19:14.739 INFO [stderr] ...  |
Dec 06 16:19:14.739 INFO [stderr] 51 | |             .join(" ")
Dec 06 16:19:14.739 INFO [stderr] 52 | |     );
Dec 06 16:19:14.739 INFO [stderr]    | |______^
Dec 06 16:19:14.739 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.739 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 06 16:19:14.739 INFO [stderr] 
Dec 06 16:19:14.739 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.739 INFO [stderr]   --> src/out/ninja.rs:64:5
Dec 06 16:19:14.739 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr] 64 |     writeln!(f, "rule {}", name);
Dec 06 16:19:14.739 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.739 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.739 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 06 16:19:14.739 INFO [stderr] 
Dec 06 16:19:14.739 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.739 INFO [stderr]   --> src/out/ninja.rs:65:5
Dec 06 16:19:14.739 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr] 65 |     writeln!(f, "{}command = {}", indent(1), command);
Dec 06 16:19:14.739 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.739 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.739 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 06 16:19:14.739 INFO [stderr] 
Dec 06 16:19:14.739 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.739 INFO [stderr]   --> src/out/ninja.rs:69:5
Dec 06 16:19:14.739 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr] 69 | /     write!(
Dec 06 16:19:14.739 INFO [stderr] 70 | |         f,
Dec 06 16:19:14.739 INFO [stderr] 71 | |         "build {0}: link {1}",
Dec 06 16:19:14.739 INFO [stderr] 72 | |         link.product,
Dec 06 16:19:14.739 INFO [stderr] 73 | |         link.objects.join(" ")
Dec 06 16:19:14.739 INFO [stderr] 74 | |     );
Dec 06 16:19:14.739 INFO [stderr]    | |______^
Dec 06 16:19:14.739 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.739 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 06 16:19:14.739 INFO [stderr] 
Dec 06 16:19:14.739 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.739 INFO [stderr]   --> src/out/ninja.rs:76:9
Dec 06 16:19:14.739 INFO [stderr]    |
Dec 06 16:19:14.739 INFO [stderr] 76 |         writeln!(f, "| {0}", link.libs.join(" "));
Dec 06 16:19:14.740 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.740 INFO [stderr]    |
Dec 06 16:19:14.740 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.740 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 06 16:19:14.740 INFO [stderr] 
Dec 06 16:19:14.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.740 INFO [stderr]   --> src/out/ninja.rs:77:9
Dec 06 16:19:14.740 INFO [stderr]    |
Dec 06 16:19:14.740 INFO [stderr] 77 |         writeln!(f, "{0}libs = {1}", indent(1), link.libs.join(" "));
Dec 06 16:19:14.740 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.740 INFO [stderr]    |
Dec 06 16:19:14.740 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.740 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 06 16:19:14.740 INFO [stderr] 
Dec 06 16:19:14.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.740 INFO [stderr]   --> src/out/ninja.rs:79:9
Dec 06 16:19:14.740 INFO [stderr]    |
Dec 06 16:19:14.740 INFO [stderr] 79 |         writeln!(f);
Dec 06 16:19:14.740 INFO [stderr]    |         ^^^^^^^^^^^^
Dec 06 16:19:14.740 INFO [stderr]    |
Dec 06 16:19:14.740 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.740 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 06 16:19:14.740 INFO [stderr] 
Dec 06 16:19:14.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.740 INFO [stderr]   --> src/out/ninja.rs:81:5
Dec 06 16:19:14.740 INFO [stderr]    |
Dec 06 16:19:14.740 INFO [stderr] 81 |     writeln!(f, "build $include_path/bin/{0}: cp {0}", link.product);
Dec 06 16:19:14.740 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.740 INFO [stderr]    |
Dec 06 16:19:14.740 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.740 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 06 16:19:14.740 INFO [stderr] 
Dec 06 16:19:14.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.740 INFO [stderr]   --> src/out/ninja.rs:85:5
Dec 06 16:19:14.740 INFO [stderr]    |
Dec 06 16:19:14.740 INFO [stderr] 85 | /     writeln!(
Dec 06 16:19:14.740 INFO [stderr] 86 | |         f,
Dec 06 16:19:14.740 INFO [stderr] 87 | |         "build {0}: ar {1}",
Dec 06 16:19:14.740 INFO [stderr] 88 | |         archive.product,
Dec 06 16:19:14.740 INFO [stderr] 89 | |         archive.objects.join(" ")
Dec 06 16:19:14.740 INFO [stderr] 90 | |     );
Dec 06 16:19:14.740 INFO [stderr]    | |______^
Dec 06 16:19:14.740 INFO [stderr]    |
Dec 06 16:19:14.740 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.740 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 06 16:19:14.740 INFO [stderr] 
Dec 06 16:19:14.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.740 INFO [stderr]   --> src/out/ninja.rs:94:5
Dec 06 16:19:14.740 INFO [stderr]    |
Dec 06 16:19:14.740 INFO [stderr] 94 |     write!(f, "build {0}: fc {1}", compile.object, compile.source);
Dec 06 16:19:14.740 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.740 INFO [stderr]    |
Dec 06 16:19:14.740 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.740 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 06 16:19:14.740 INFO [stderr] 
Dec 06 16:19:14.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.740 INFO [stderr]   --> src/out/ninja.rs:96:9
Dec 06 16:19:14.740 INFO [stderr]    |
Dec 06 16:19:14.740 INFO [stderr] 96 |         write!(f, " | {}", compile.uses.join(" "));
Dec 06 16:19:14.740 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:14.740 INFO [stderr]    |
Dec 06 16:19:14.740 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.740 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 06 16:19:14.740 INFO [stderr] 
Dec 06 16:19:14.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.740 INFO [stderr]   --> src/out/ninja.rs:98:5
Dec 06 16:19:14.740 INFO [stderr]    |
Dec 06 16:19:14.740 INFO [stderr] 98 |     writeln!(f);
Dec 06 16:19:14.740 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 06 16:19:14.740 INFO [stderr]    |
Dec 06 16:19:14.740 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.740 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 06 16:19:14.740 INFO [stderr] 
Dec 06 16:19:14.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:14.740 INFO [stderr]    --> src/out/ninja.rs:101:9
Dec 06 16:19:14.740 INFO [stderr]     |
Dec 06 16:19:14.740 INFO [stderr] 101 | /         writeln!(
Dec 06 16:19:14.740 INFO [stderr] 102 | |             f,
Dec 06 16:19:14.740 INFO [stderr] 103 | |             "build {0}: mod | {1} {2}",
Dec 06 16:19:14.740 INFO [stderr] 104 | |             module, compile.source, compile.object
Dec 06 16:19:14.740 INFO [stderr] 105 | |         );
Dec 06 16:19:14.740 INFO [stderr]     | |__________^
Dec 06 16:19:14.740 INFO [stderr]     |
Dec 06 16:19:14.740 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:14.740 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 06 16:19:14.740 INFO [stderr] 
Dec 06 16:19:18.107 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.32s
Dec 06 16:19:18.115 INFO [stderr] su: No module specific data is present
Dec 06 16:19:18.583 INFO running `"docker" "inspect" "8163ca96bf71228d427def7c6baed21b0ad071fffdb4a64120cfa25de2b7aff3"`
Dec 06 16:19:18.697 INFO running `"docker" "rm" "-f" "8163ca96bf71228d427def7c6baed21b0ad071fffdb4a64120cfa25de2b7aff3"`
Dec 06 16:19:18.856 INFO [stdout] 8163ca96bf71228d427def7c6baed21b0ad071fffdb4a64120cfa25de2b7aff3
Dec 06 16:19:18.860 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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 06 16:19:19.160 INFO [stdout] a891527418bfac1779e315a4509f31966675c9e53de521e0403df08f1b9aa87c
Dec 06 16:19:19.166 INFO running `"docker" "start" "-a" "a891527418bfac1779e315a4509f31966675c9e53de521e0403df08f1b9aa87c"`
Dec 06 16:19:19.699 INFO [stderr] usermod: no changes
Dec 06 16:19:19.763 INFO [stderr]    Compiling cafemake v0.1.1 (/source)
Dec 06 16:19:21.139 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.139 INFO [stderr]  --> src/out/make.rs:5:5
Dec 06 16:19:21.139 INFO [stderr]   |
Dec 06 16:19:21.139 INFO [stderr] 5 |     writeln!(&mut f, ".SUFFIXES:");
Dec 06 16:19:21.139 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.139 INFO [stderr]   |
Dec 06 16:19:21.139 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 06 16:19:21.139 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.139 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 06 16:19:21.139 INFO [stderr] 
Dec 06 16:19:21.142 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.142 INFO [stderr]  --> src/out/make.rs:6:5
Dec 06 16:19:21.142 INFO [stderr]   |
Dec 06 16:19:21.142 INFO [stderr] 6 |     writeln!(&mut f);
Dec 06 16:19:21.142 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.142 INFO [stderr]   |
Dec 06 16:19:21.142 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.142 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 06 16:19:21.142 INFO [stderr] 
Dec 06 16:19:21.142 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.142 INFO [stderr]  --> src/out/make.rs:9:9
Dec 06 16:19:21.142 INFO [stderr]   |
Dec 06 16:19:21.142 INFO [stderr] 9 |         writeln!(&mut f, "{0} = {1}", name, value);
Dec 06 16:19:21.142 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.142 INFO [stderr]   |
Dec 06 16:19:21.142 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.142 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 06 16:19:21.142 INFO [stderr] 
Dec 06 16:19:21.142 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.142 INFO [stderr]   --> src/out/make.rs:12:5
Dec 06 16:19:21.142 INFO [stderr]    |
Dec 06 16:19:21.142 INFO [stderr] 12 |     writeln!(&mut f);
Dec 06 16:19:21.142 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.142 INFO [stderr]    |
Dec 06 16:19:21.142 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.142 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 06 16:19:21.142 INFO [stderr] 
Dec 06 16:19:21.142 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.142 INFO [stderr]   --> src/out/make.rs:34:5
Dec 06 16:19:21.142 INFO [stderr]    |
Dec 06 16:19:21.142 INFO [stderr] 34 |     writeln!(&mut f, ".PHONY: clean");
Dec 06 16:19:21.142 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.142 INFO [stderr]    |
Dec 06 16:19:21.142 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.142 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 06 16:19:21.142 INFO [stderr] 
Dec 06 16:19:21.142 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.142 INFO [stderr]   --> src/out/make.rs:35:5
Dec 06 16:19:21.142 INFO [stderr]    |
Dec 06 16:19:21.142 INFO [stderr] 35 |     writeln!(&mut f, "clean:");
Dec 06 16:19:21.142 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.142 INFO [stderr]    |
Dec 06 16:19:21.142 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.142 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 06 16:19:21.142 INFO [stderr] 
Dec 06 16:19:21.142 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.142 INFO [stderr]   --> src/out/make.rs:36:5
Dec 06 16:19:21.142 INFO [stderr]    |
Dec 06 16:19:21.142 INFO [stderr] 36 |     writeln!(&mut f, "\t@rm -f {}", products.join(" "));
Dec 06 16:19:21.142 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.143 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 06 16:19:21.143 INFO [stderr] 
Dec 06 16:19:21.143 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.143 INFO [stderr]   --> src/out/make.rs:37:5
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr] 37 |     writeln!(&mut f, "\t@echo Cleaning up...");
Dec 06 16:19:21.143 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.143 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 06 16:19:21.143 INFO [stderr] 
Dec 06 16:19:21.143 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.143 INFO [stderr]   --> src/out/make.rs:42:5
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr] 42 |     write!(f, "{}: {}", link.product, link.objects.join(" "));
Dec 06 16:19:21.143 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.143 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 06 16:19:21.143 INFO [stderr] 
Dec 06 16:19:21.143 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.143 INFO [stderr]   --> src/out/make.rs:44:9
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr] 44 |         write!(f, " {}", libs);
Dec 06 16:19:21.143 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.143 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 06 16:19:21.143 INFO [stderr] 
Dec 06 16:19:21.143 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.143 INFO [stderr]   --> src/out/make.rs:46:5
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr] 46 |     writeln!(f);
Dec 06 16:19:21.143 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.143 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 06 16:19:21.143 INFO [stderr] 
Dec 06 16:19:21.143 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.143 INFO [stderr]   --> src/out/make.rs:48:5
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr] 48 |     write!(f, "\t$(fc) -o $@ $<");
Dec 06 16:19:21.143 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.143 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 06 16:19:21.143 INFO [stderr] 
Dec 06 16:19:21.143 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.143 INFO [stderr]   --> src/out/make.rs:50:9
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr] 50 |         write!(f, " -Wl,-start-group {} -Wl,-end-group", libs);
Dec 06 16:19:21.143 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.143 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 06 16:19:21.143 INFO [stderr] 
Dec 06 16:19:21.143 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.143 INFO [stderr]   --> src/out/make.rs:52:5
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr] 52 |     writeln!(f);
Dec 06 16:19:21.143 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.143 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 06 16:19:21.143 INFO [stderr] 
Dec 06 16:19:21.143 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.143 INFO [stderr]   --> src/out/make.rs:56:5
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr] 56 |     writeln!(f, "{}: {}", archive.product, archive.objects.join(" "));
Dec 06 16:19:21.143 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.143 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 06 16:19:21.143 INFO [stderr] 
Dec 06 16:19:21.143 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.143 INFO [stderr]   --> src/out/make.rs:57:5
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr] 57 |     writeln!(f, "\t$(ar) ruUc $@ $^");
Dec 06 16:19:21.143 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.143 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 06 16:19:21.143 INFO [stderr] 
Dec 06 16:19:21.143 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.143 INFO [stderr]   --> src/out/make.rs:61:5
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.143 INFO [stderr] 61 |     write!(f, "{}: {}", compile.object, compile.source);
Dec 06 16:19:21.143 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.143 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.144 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 06 16:19:21.144 INFO [stderr] 
Dec 06 16:19:21.144 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.144 INFO [stderr]   --> src/out/make.rs:63:9
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr] 63 |         write!(f, " {}", compile.uses.join(" "));
Dec 06 16:19:21.144 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.144 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 06 16:19:21.144 INFO [stderr] 
Dec 06 16:19:21.144 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.144 INFO [stderr]   --> src/out/make.rs:65:5
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr] 65 |     writeln!(f);
Dec 06 16:19:21.144 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.144 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 06 16:19:21.144 INFO [stderr] 
Dec 06 16:19:21.144 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.144 INFO [stderr]   --> src/out/make.rs:66:5
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr] 66 |     writeln!(f, "\t$(fc) $(fflags) -c -o $@ $<");
Dec 06 16:19:21.144 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.144 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 06 16:19:21.144 INFO [stderr] 
Dec 06 16:19:21.144 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.144 INFO [stderr]   --> src/out/make.rs:69:9
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr] 69 |         writeln!(f, "{0}: {1}", module, compile.object);
Dec 06 16:19:21.144 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.144 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 06 16:19:21.144 INFO [stderr] 
Dec 06 16:19:21.144 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.144 INFO [stderr]   --> src/out/make.rs:70:9
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr] 70 |         writeln!(f, "\ttouch -c $@");
Dec 06 16:19:21.144 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.144 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 06 16:19:21.144 INFO [stderr] 
Dec 06 16:19:21.144 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.144 INFO [stderr]   --> src/out/ninja.rs:11:9
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr] 11 |         writeln!(&mut f, "{0} = {1}", name, value);
Dec 06 16:19:21.144 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.144 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 06 16:19:21.144 INFO [stderr] 
Dec 06 16:19:21.144 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.144 INFO [stderr]   --> src/out/ninja.rs:14:5
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr] 14 |     writeln!(&mut f);
Dec 06 16:19:21.144 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.144 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 06 16:19:21.144 INFO [stderr] 
Dec 06 16:19:21.144 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.144 INFO [stderr]   --> src/out/ninja.rs:26:5
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr] 26 |     writeln!(&mut f);
Dec 06 16:19:21.144 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.144 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 06 16:19:21.144 INFO [stderr] 
Dec 06 16:19:21.144 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.144 INFO [stderr]   --> src/out/ninja.rs:32:5
Dec 06 16:19:21.144 INFO [stderr]    |
Dec 06 16:19:21.144 INFO [stderr] 32 | /     writeln!(
Dec 06 16:19:21.144 INFO [stderr] 33 | |         f,
Dec 06 16:19:21.144 INFO [stderr] 34 | |         "default {}",
Dec 06 16:19:21.144 INFO [stderr] 35 | |         build
Dec 06 16:19:21.144 INFO [stderr] ...  |
Dec 06 16:19:21.144 INFO [stderr] 40 | |             .join(" ")
Dec 06 16:19:21.145 INFO [stderr] 41 | |     );
Dec 06 16:19:21.145 INFO [stderr]    | |______^
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.145 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 06 16:19:21.145 INFO [stderr] 
Dec 06 16:19:21.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.145 INFO [stderr]   --> src/out/ninja.rs:43:5
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr] 43 | /     writeln!(
Dec 06 16:19:21.145 INFO [stderr] 44 | |         f,
Dec 06 16:19:21.145 INFO [stderr] 45 | |         "build install: phony {}",
Dec 06 16:19:21.145 INFO [stderr] 46 | |         build
Dec 06 16:19:21.145 INFO [stderr] ...  |
Dec 06 16:19:21.145 INFO [stderr] 51 | |             .join(" ")
Dec 06 16:19:21.145 INFO [stderr] 52 | |     );
Dec 06 16:19:21.145 INFO [stderr]    | |______^
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.145 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 06 16:19:21.145 INFO [stderr] 
Dec 06 16:19:21.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.145 INFO [stderr]   --> src/out/ninja.rs:64:5
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr] 64 |     writeln!(f, "rule {}", name);
Dec 06 16:19:21.145 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.145 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 06 16:19:21.145 INFO [stderr] 
Dec 06 16:19:21.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.145 INFO [stderr]   --> src/out/ninja.rs:65:5
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr] 65 |     writeln!(f, "{}command = {}", indent(1), command);
Dec 06 16:19:21.145 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.145 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 06 16:19:21.145 INFO [stderr] 
Dec 06 16:19:21.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.145 INFO [stderr]   --> src/out/ninja.rs:69:5
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr] 69 | /     write!(
Dec 06 16:19:21.145 INFO [stderr] 70 | |         f,
Dec 06 16:19:21.145 INFO [stderr] 71 | |         "build {0}: link {1}",
Dec 06 16:19:21.145 INFO [stderr] 72 | |         link.product,
Dec 06 16:19:21.145 INFO [stderr] 73 | |         link.objects.join(" ")
Dec 06 16:19:21.145 INFO [stderr] 74 | |     );
Dec 06 16:19:21.145 INFO [stderr]    | |______^
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.145 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 06 16:19:21.145 INFO [stderr] 
Dec 06 16:19:21.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.145 INFO [stderr]   --> src/out/ninja.rs:76:9
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr] 76 |         writeln!(f, "| {0}", link.libs.join(" "));
Dec 06 16:19:21.145 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.145 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 06 16:19:21.145 INFO [stderr] 
Dec 06 16:19:21.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.145 INFO [stderr]   --> src/out/ninja.rs:77:9
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr] 77 |         writeln!(f, "{0}libs = {1}", indent(1), link.libs.join(" "));
Dec 06 16:19:21.145 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.145 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 06 16:19:21.145 INFO [stderr] 
Dec 06 16:19:21.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.145 INFO [stderr]   --> src/out/ninja.rs:79:9
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr] 79 |         writeln!(f);
Dec 06 16:19:21.145 INFO [stderr]    |         ^^^^^^^^^^^^
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.145 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 06 16:19:21.145 INFO [stderr] 
Dec 06 16:19:21.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.145 INFO [stderr]   --> src/out/ninja.rs:81:5
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr] 81 |     writeln!(f, "build $include_path/bin/{0}: cp {0}", link.product);
Dec 06 16:19:21.145 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.145 INFO [stderr]    |
Dec 06 16:19:21.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.146 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 06 16:19:21.146 INFO [stderr] 
Dec 06 16:19:21.146 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.146 INFO [stderr]   --> src/out/ninja.rs:85:5
Dec 06 16:19:21.146 INFO [stderr]    |
Dec 06 16:19:21.146 INFO [stderr] 85 | /     writeln!(
Dec 06 16:19:21.146 INFO [stderr] 86 | |         f,
Dec 06 16:19:21.146 INFO [stderr] 87 | |         "build {0}: ar {1}",
Dec 06 16:19:21.146 INFO [stderr] 88 | |         archive.product,
Dec 06 16:19:21.146 INFO [stderr] 89 | |         archive.objects.join(" ")
Dec 06 16:19:21.146 INFO [stderr] 90 | |     );
Dec 06 16:19:21.146 INFO [stderr]    | |______^
Dec 06 16:19:21.146 INFO [stderr]    |
Dec 06 16:19:21.146 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.146 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 06 16:19:21.146 INFO [stderr] 
Dec 06 16:19:21.146 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.146 INFO [stderr]   --> src/out/ninja.rs:94:5
Dec 06 16:19:21.146 INFO [stderr]    |
Dec 06 16:19:21.146 INFO [stderr] 94 |     write!(f, "build {0}: fc {1}", compile.object, compile.source);
Dec 06 16:19:21.146 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.146 INFO [stderr]    |
Dec 06 16:19:21.146 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.146 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 06 16:19:21.146 INFO [stderr] 
Dec 06 16:19:21.146 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.146 INFO [stderr]   --> src/out/ninja.rs:96:9
Dec 06 16:19:21.146 INFO [stderr]    |
Dec 06 16:19:21.146 INFO [stderr] 96 |         write!(f, " | {}", compile.uses.join(" "));
Dec 06 16:19:21.146 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:19:21.146 INFO [stderr]    |
Dec 06 16:19:21.146 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.146 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 06 16:19:21.146 INFO [stderr] 
Dec 06 16:19:21.146 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.146 INFO [stderr]   --> src/out/ninja.rs:98:5
Dec 06 16:19:21.146 INFO [stderr]    |
Dec 06 16:19:21.146 INFO [stderr] 98 |     writeln!(f);
Dec 06 16:19:21.146 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 06 16:19:21.146 INFO [stderr]    |
Dec 06 16:19:21.146 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.146 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 06 16:19:21.146 INFO [stderr] 
Dec 06 16:19:21.146 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:19:21.146 INFO [stderr]    --> src/out/ninja.rs:101:9
Dec 06 16:19:21.146 INFO [stderr]     |
Dec 06 16:19:21.146 INFO [stderr] 101 | /         writeln!(
Dec 06 16:19:21.146 INFO [stderr] 102 | |             f,
Dec 06 16:19:21.146 INFO [stderr] 103 | |             "build {0}: mod | {1} {2}",
Dec 06 16:19:21.146 INFO [stderr] 104 | |             module, compile.source, compile.object
Dec 06 16:19:21.146 INFO [stderr] 105 | |         );
Dec 06 16:19:21.146 INFO [stderr]     | |__________^
Dec 06 16:19:21.146 INFO [stderr]     |
Dec 06 16:19:21.146 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:19:21.146 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 06 16:19:21.146 INFO [stderr] 
Dec 06 16:19:21.678 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
Dec 06 16:19:21.682 INFO [stderr] su: No module specific data is present
Dec 06 16:19:22.082 INFO running `"docker" "inspect" "a891527418bfac1779e315a4509f31966675c9e53de521e0403df08f1b9aa87c"`
Dec 06 16:19:22.356 INFO running `"docker" "rm" "-f" "a891527418bfac1779e315a4509f31966675c9e53de521e0403df08f1b9aa87c"`
Dec 06 16:19:22.664 INFO [stdout] a891527418bfac1779e315a4509f31966675c9e53de521e0403df08f1b9aa87c
Dec 06 16:19:22.672 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-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 06 16:19:23.222 INFO [stdout] e9733d73d9f341ccdfa7feaa62692bc16768560f79eaffea1d489d3724f4a17f
Dec 06 16:19:23.228 INFO running `"docker" "start" "-a" "e9733d73d9f341ccdfa7feaa62692bc16768560f79eaffea1d489d3724f4a17f"`
Dec 06 16:19:24.168 INFO [stderr] usermod: no changes
Dec 06 16:19:24.256 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 06 16:19:24.280 INFO [stderr]      Running /target/debug/deps/cafemake-702b17216a1f77b6
Dec 06 16:19:24.280 INFO [stdout] 
Dec 06 16:19:24.280 INFO [stderr] su: No module specific data is present
Dec 06 16:19:24.280 INFO [stdout] running 0 tests
Dec 06 16:19:24.280 INFO [stdout] 
Dec 06 16:19:24.280 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 16:19:24.280 INFO [stdout] 
Dec 06 16:19:24.872 INFO running `"docker" "inspect" "e9733d73d9f341ccdfa7feaa62692bc16768560f79eaffea1d489d3724f4a17f"`
Dec 06 16:19:25.204 INFO running `"docker" "rm" "-f" "e9733d73d9f341ccdfa7feaa62692bc16768560f79eaffea1d489d3724f4a17f"`
Dec 06 16:19:25.444 INFO [stdout] e9733d73d9f341ccdfa7feaa62692bc16768560f79eaffea1d489d3724f4a17f