Nov 29 21:45:56.537 INFO checking museun/rcc against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 21:45:56.537 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 29 21:45:57.051 INFO [stdout] 4737b1d8a580009a7cc5c906a74abec5d9ed0b35651d0d5c05f51c762f024419
Nov 29 21:45:57.053 INFO running `"docker" "start" "-a" "4737b1d8a580009a7cc5c906a74abec5d9ed0b35651d0d5c05f51c762f024419"`
Nov 29 21:45:58.763 INFO [stderr] usermod: no changes
Nov 29 21:45:58.817 INFO [stderr]    Compiling rcc v0.1.0 (/source)
Nov 29 21:45:59.240 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:45:59.240 INFO [stderr]   --> build.rs:35:5
Nov 29 21:45:59.240 INFO [stderr]    |
Nov 29 21:45:59.240 INFO [stderr] 35 | /     writeln!(
Nov 29 21:45:59.240 INFO [stderr] 36 | |         f,
Nov 29 21:45:59.240 INFO [stderr] 37 | |         r###"#[test]
Nov 29 21:45:59.240 INFO [stderr] 38 | | fn test_{:04}() {{
Nov 29 21:45:59.240 INFO [stderr] ...  |
Nov 29 21:45:59.240 INFO [stderr] 46 | |         n, source, expected, n, n
Nov 29 21:45:59.240 INFO [stderr] 47 | |     );
Nov 29 21:45:59.248 INFO [stderr]    | |______^
Nov 29 21:45:59.248 INFO [stderr]    |
Nov 29 21:45:59.248 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 21:45:59.248 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:45:59.248 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)
Nov 29 21:45:59.248 INFO [stderr] 
Nov 29 21:45:59.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:45:59.248 INFO [stderr]   --> build.rs:77:5
Nov 29 21:45:59.248 INFO [stderr]    |
Nov 29 21:45:59.248 INFO [stderr] 77 |     write!(f, "{}", "// nothing to see here");
Nov 29 21:45:59.248 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:59.248 INFO [stderr]    |
Nov 29 21:45:59.248 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:45:59.248 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)
Nov 29 21:45:59.248 INFO [stderr] 
Nov 29 21:46:00.064 INFO [stderr] warning: unknown lint: `cyclomatic_complexity`
Nov 29 21:46:00.064 INFO [stderr]  --> src/semantics.rs:1:10
Nov 29 21:46:00.064 INFO [stderr]   |
Nov 29 21:46:00.064 INFO [stderr] 1 | #![allow(cyclomatic_complexity)]
Nov 29 21:46:00.064 INFO [stderr]   |          ^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:00.072 INFO [stderr] warning: unknown lint: `cyclomatic_complexity`
Nov 29 21:46:00.072 INFO [stderr]  --> src/semantics.rs:1:10
Nov 29 21:46:00.072 INFO [stderr]   |
Nov 29 21:46:00.072 INFO [stderr] 1 | #![allow(cyclomatic_complexity)]
Nov 29 21:46:00.072 INFO [stderr]   |          ^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:00.072 INFO [stderr]   |
Nov 29 21:46:00.072 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Nov 29 21:46:00.072 INFO [stderr] 
Nov 29 21:46:00.072 INFO [stderr]   |
Nov 29 21:46:00.072 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Nov 29 21:46:00.072 INFO [stderr] 
Nov 29 21:46:02.839 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.839 INFO [stderr]   --> src/codegen.rs:19:5
Nov 29 21:46:02.840 INFO [stderr]    |
Nov 29 21:46:02.840 INFO [stderr] 19 |     writeln!(&mut buf, ".intel_syntax noprefix");
Nov 29 21:46:02.840 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.841 INFO [stderr]    |
Nov 29 21:46:02.841 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 21:46:02.842 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.842 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)
Nov 29 21:46:02.842 INFO [stderr] 
Nov 29 21:46:02.843 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.843 INFO [stderr]   --> src/codegen.rs:21:5
Nov 29 21:46:02.843 INFO [stderr]    |
Nov 29 21:46:02.843 INFO [stderr] 21 |     writeln!(&mut buf, ".data");
Nov 29 21:46:02.844 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.844 INFO [stderr]    |
Nov 29 21:46:02.844 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.845 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)
Nov 29 21:46:02.845 INFO [stderr] 
Nov 29 21:46:02.845 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.845 INFO [stderr]   --> src/codegen.rs:27:13
Nov 29 21:46:02.846 INFO [stderr]    |
Nov 29 21:46:02.846 INFO [stderr] 27 |             writeln!(&mut buf, "{}:", &name);
Nov 29 21:46:02.846 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.846 INFO [stderr]    |
Nov 29 21:46:02.847 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.847 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)
Nov 29 21:46:02.847 INFO [stderr] 
Nov 29 21:46:02.848 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.848 INFO [stderr]   --> src/codegen.rs:28:13
Nov 29 21:46:02.848 INFO [stderr]    |
Nov 29 21:46:02.848 INFO [stderr] 28 |             writeln!(&mut buf, "  .ascii \"{}\"", escape(&data));
Nov 29 21:46:02.849 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.849 INFO [stderr]    |
Nov 29 21:46:02.849 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.849 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)
Nov 29 21:46:02.850 INFO [stderr] 
Nov 29 21:46:02.850 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.850 INFO [stderr]   --> src/codegen.rs:32:5
Nov 29 21:46:02.851 INFO [stderr]    |
Nov 29 21:46:02.851 INFO [stderr] 32 |     writeln!(&mut buf, ".text");
Nov 29 21:46:02.851 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.851 INFO [stderr]    |
Nov 29 21:46:02.852 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.852 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)
Nov 29 21:46:02.852 INFO [stderr] 
Nov 29 21:46:02.853 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.853 INFO [stderr]   --> src/codegen.rs:46:5
Nov 29 21:46:02.853 INFO [stderr]    |
Nov 29 21:46:02.853 INFO [stderr] 46 |     writeln!(buf, ".global {}", func.name);
Nov 29 21:46:02.854 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.854 INFO [stderr]    |
Nov 29 21:46:02.854 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.855 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)
Nov 29 21:46:02.855 INFO [stderr] 
Nov 29 21:46:02.855 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.855 INFO [stderr]   --> src/codegen.rs:47:5
Nov 29 21:46:02.856 INFO [stderr]    |
Nov 29 21:46:02.856 INFO [stderr] 47 |     writeln!(buf, "{}:", func.name);
Nov 29 21:46:02.856 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.857 INFO [stderr]    |
Nov 29 21:46:02.857 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.857 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)
Nov 29 21:46:02.857 INFO [stderr] 
Nov 29 21:46:02.858 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.858 INFO [stderr]   --> src/codegen.rs:49:5
Nov 29 21:46:02.858 INFO [stderr]    |
Nov 29 21:46:02.859 INFO [stderr] 49 |     writeln!(buf, "  push rbp");
Nov 29 21:46:02.859 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.859 INFO [stderr]    |
Nov 29 21:46:02.860 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.860 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)
Nov 29 21:46:02.860 INFO [stderr] 
Nov 29 21:46:02.861 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.861 INFO [stderr]   --> src/codegen.rs:50:5
Nov 29 21:46:02.861 INFO [stderr]    |
Nov 29 21:46:02.861 INFO [stderr] 50 |     writeln!(buf, "  mov rbp, rsp");
Nov 29 21:46:02.862 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.862 INFO [stderr]    |
Nov 29 21:46:02.862 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.863 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)
Nov 29 21:46:02.863 INFO [stderr] 
Nov 29 21:46:02.864 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.864 INFO [stderr]   --> src/codegen.rs:51:5
Nov 29 21:46:02.864 INFO [stderr]    |
Nov 29 21:46:02.864 INFO [stderr] 51 |     writeln!(buf, "  sub rsp, {}", round(func.stacksize, 16));
Nov 29 21:46:02.865 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.865 INFO [stderr]    |
Nov 29 21:46:02.865 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.866 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)
Nov 29 21:46:02.866 INFO [stderr] 
Nov 29 21:46:02.866 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.867 INFO [stderr]   --> src/codegen.rs:74:9
Nov 29 21:46:02.867 INFO [stderr]    |
Nov 29 21:46:02.867 INFO [stderr] 74 |         writeln!(buf, "  push {}", r);
Nov 29 21:46:02.868 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.868 INFO [stderr]    |
Nov 29 21:46:02.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.869 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)
Nov 29 21:46:02.869 INFO [stderr] 
Nov 29 21:46:02.870 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.870 INFO [stderr]   --> src/codegen.rs:83:17
Nov 29 21:46:02.870 INFO [stderr]    |
Nov 29 21:46:02.870 INFO [stderr] 83 |                 writeln!(buf, "  mov {}, {}", REGS64[*reg as usize], val);
Nov 29 21:46:02.871 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.871 INFO [stderr]    |
Nov 29 21:46:02.872 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.872 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)
Nov 29 21:46:02.872 INFO [stderr] 
Nov 29 21:46:02.873 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.873 INFO [stderr]   --> src/codegen.rs:87:17
Nov 29 21:46:02.873 INFO [stderr]    |
Nov 29 21:46:02.873 INFO [stderr] 87 | /                 writeln!(
Nov 29 21:46:02.874 INFO [stderr] 88 | |                     buf,
Nov 29 21:46:02.874 INFO [stderr] 89 | |                     "  mov {}, {}",
Nov 29 21:46:02.874 INFO [stderr] 90 | |                     REGS64[*dst as usize], REGS64[*src as usize]
Nov 29 21:46:02.874 INFO [stderr] 91 | |                 );
Nov 29 21:46:02.875 INFO [stderr]    | |__________________^
Nov 29 21:46:02.875 INFO [stderr]    |
Nov 29 21:46:02.875 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.877 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)
Nov 29 21:46:02.877 INFO [stderr] 
Nov 29 21:46:02.877 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.878 INFO [stderr]   --> src/codegen.rs:95:17
Nov 29 21:46:02.878 INFO [stderr]    |
Nov 29 21:46:02.878 INFO [stderr] 95 |                 writeln!(buf, "  mov rax, {}", REGS64[*src as usize]);
Nov 29 21:46:02.878 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.879 INFO [stderr]    |
Nov 29 21:46:02.879 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.879 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)
Nov 29 21:46:02.879 INFO [stderr] 
Nov 29 21:46:02.880 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.880 INFO [stderr]   --> src/codegen.rs:96:17
Nov 29 21:46:02.881 INFO [stderr]    |
Nov 29 21:46:02.881 INFO [stderr] 96 |                 writeln!(buf, "  jmp {}", ret);
Nov 29 21:46:02.881 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.881 INFO [stderr]    |
Nov 29 21:46:02.882 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.882 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)
Nov 29 21:46:02.882 INFO [stderr] 
Nov 29 21:46:02.883 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.883 INFO [stderr]    --> src/codegen.rs:100:17
Nov 29 21:46:02.883 INFO [stderr]     |
Nov 29 21:46:02.883 INFO [stderr] 100 | /                 writeln!(
Nov 29 21:46:02.884 INFO [stderr] 101 | |                     buf,
Nov 29 21:46:02.884 INFO [stderr] 102 | |                     "  mov {}, [{}]",
Nov 29 21:46:02.884 INFO [stderr] 103 | |                     match w {
Nov 29 21:46:02.884 INFO [stderr] ...   |
Nov 29 21:46:02.885 INFO [stderr] 108 | |                     REGS64[*src as usize]
Nov 29 21:46:02.885 INFO [stderr] 109 | |                 );
Nov 29 21:46:02.885 INFO [stderr]     | |__________________^
Nov 29 21:46:02.886 INFO [stderr]     |
Nov 29 21:46:02.886 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.886 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)
Nov 29 21:46:02.887 INFO [stderr] 
Nov 29 21:46:02.897 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.897 INFO [stderr]    --> src/codegen.rs:112:21
Nov 29 21:46:02.897 INFO [stderr]     |
Nov 29 21:46:02.897 INFO [stderr] 112 | /                     writeln!(
Nov 29 21:46:02.898 INFO [stderr] 113 | |                         buf,
Nov 29 21:46:02.898 INFO [stderr] 114 | |                         "  movzx {}, {}",
Nov 29 21:46:02.898 INFO [stderr] 115 | |                         REGS64[*dst as usize], REGS8[*dst as usize]
Nov 29 21:46:02.899 INFO [stderr] 116 | |                     );
Nov 29 21:46:02.899 INFO [stderr]     | |______________________^
Nov 29 21:46:02.899 INFO [stderr]     |
Nov 29 21:46:02.900 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.900 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)
Nov 29 21:46:02.900 INFO [stderr] 
Nov 29 21:46:02.901 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.901 INFO [stderr]    --> src/codegen.rs:121:17
Nov 29 21:46:02.901 INFO [stderr]     |
Nov 29 21:46:02.901 INFO [stderr] 121 | /                 writeln!(
Nov 29 21:46:02.902 INFO [stderr] 122 | |                     buf,
Nov 29 21:46:02.902 INFO [stderr] 123 | |                     "  mov [{}], {}",
Nov 29 21:46:02.902 INFO [stderr] 124 | |                     REGS64[*dst as usize],
Nov 29 21:46:02.902 INFO [stderr] ...   |
Nov 29 21:46:02.903 INFO [stderr] 129 | |                     },
Nov 29 21:46:02.903 INFO [stderr] 130 | |                 );
Nov 29 21:46:02.903 INFO [stderr]     | |__________________^
Nov 29 21:46:02.903 INFO [stderr]     |
Nov 29 21:46:02.904 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.904 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)
Nov 29 21:46:02.904 INFO [stderr] 
Nov 29 21:46:02.905 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.905 INFO [stderr]    --> src/codegen.rs:134:17
Nov 29 21:46:02.905 INFO [stderr]     |
Nov 29 21:46:02.906 INFO [stderr] 134 | /                 writeln!(
Nov 29 21:46:02.906 INFO [stderr] 135 | |                     buf,
Nov 29 21:46:02.906 INFO [stderr] 136 | |                     "  mov [rbp-{}], {}",
Nov 29 21:46:02.906 INFO [stderr] 137 | |                     val,
Nov 29 21:46:02.906 INFO [stderr] ...   |
Nov 29 21:46:02.907 INFO [stderr] 142 | |                     },
Nov 29 21:46:02.907 INFO [stderr] 143 | |                 );
Nov 29 21:46:02.907 INFO [stderr]     | |__________________^
Nov 29 21:46:02.908 INFO [stderr]     |
Nov 29 21:46:02.908 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.908 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)
Nov 29 21:46:02.908 INFO [stderr] 
Nov 29 21:46:02.909 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.909 INFO [stderr]    --> src/codegen.rs:147:17
Nov 29 21:46:02.910 INFO [stderr]     |
Nov 29 21:46:02.910 INFO [stderr] 147 |                 writeln!(buf, ".L{}:", val);
Nov 29 21:46:02.910 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.911 INFO [stderr]     |
Nov 29 21:46:02.911 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.911 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)
Nov 29 21:46:02.912 INFO [stderr] 
Nov 29 21:46:02.912 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.912 INFO [stderr]    --> src/codegen.rs:151:17
Nov 29 21:46:02.913 INFO [stderr]     |
Nov 29 21:46:02.913 INFO [stderr] 151 |                 writeln!(buf, "  lea {}, {}", REGS64[*reg as usize], label);
Nov 29 21:46:02.913 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.914 INFO [stderr]     |
Nov 29 21:46:02.914 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.914 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)
Nov 29 21:46:02.915 INFO [stderr] 
Nov 29 21:46:02.915 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.916 INFO [stderr]    --> src/codegen.rs:155:17
Nov 29 21:46:02.916 INFO [stderr]     |
Nov 29 21:46:02.916 INFO [stderr] 155 |                 writeln!(buf, "  cmp {}, 0", REGS64[*reg as usize]);
Nov 29 21:46:02.917 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.917 INFO [stderr]     |
Nov 29 21:46:02.917 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.918 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)
Nov 29 21:46:02.918 INFO [stderr] 
Nov 29 21:46:02.918 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.918 INFO [stderr]    --> src/codegen.rs:156:17
Nov 29 21:46:02.919 INFO [stderr]     |
Nov 29 21:46:02.919 INFO [stderr] 156 |                 writeln!(buf, "  je .L{}", val);
Nov 29 21:46:02.919 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.920 INFO [stderr]     |
Nov 29 21:46:02.920 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.920 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)
Nov 29 21:46:02.921 INFO [stderr] 
Nov 29 21:46:02.921 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.922 INFO [stderr]    --> src/codegen.rs:160:17
Nov 29 21:46:02.922 INFO [stderr]     |
Nov 29 21:46:02.922 INFO [stderr] 160 |                 writeln!(buf, "  jmp .L{}", val);
Nov 29 21:46:02.922 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.923 INFO [stderr]     |
Nov 29 21:46:02.923 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.923 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)
Nov 29 21:46:02.924 INFO [stderr] 
Nov 29 21:46:02.924 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.925 INFO [stderr]    --> src/codegen.rs:164:17
Nov 29 21:46:02.925 INFO [stderr]     |
Nov 29 21:46:02.925 INFO [stderr] 164 | /                 writeln!(
Nov 29 21:46:02.925 INFO [stderr] 165 | |                     buf,
Nov 29 21:46:02.926 INFO [stderr] 166 | |                     "  or {},{}",
Nov 29 21:46:02.926 INFO [stderr] 167 | |                     REGS64[*dst as usize], REGS64[*src as usize]
Nov 29 21:46:02.926 INFO [stderr] 168 | |                 );
Nov 29 21:46:02.927 INFO [stderr]     | |__________________^
Nov 29 21:46:02.927 INFO [stderr]     |
Nov 29 21:46:02.927 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.928 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)
Nov 29 21:46:02.928 INFO [stderr] 
Nov 29 21:46:02.929 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.929 INFO [stderr]    --> src/codegen.rs:172:17
Nov 29 21:46:02.929 INFO [stderr]     |
Nov 29 21:46:02.930 INFO [stderr] 172 | /                 writeln!(
Nov 29 21:46:02.930 INFO [stderr] 173 | |                     buf,
Nov 29 21:46:02.930 INFO [stderr] 174 | |                     "  xor {},{}",
Nov 29 21:46:02.931 INFO [stderr] 175 | |                     REGS64[*dst as usize], REGS64[*src as usize]
Nov 29 21:46:02.931 INFO [stderr] 176 | |                 );
Nov 29 21:46:02.931 INFO [stderr]     | |__________________^
Nov 29 21:46:02.931 INFO [stderr]     |
Nov 29 21:46:02.932 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.932 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)
Nov 29 21:46:02.932 INFO [stderr] 
Nov 29 21:46:02.933 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.933 INFO [stderr]    --> src/codegen.rs:180:17
Nov 29 21:46:02.934 INFO [stderr]     |
Nov 29 21:46:02.934 INFO [stderr] 180 | /                 writeln!(
Nov 29 21:46:02.934 INFO [stderr] 181 | |                     buf,
Nov 29 21:46:02.935 INFO [stderr] 182 | |                     "  xor {},{}",
Nov 29 21:46:02.935 INFO [stderr] 183 | |                     REGS64[*reg as usize], val
Nov 29 21:46:02.935 INFO [stderr] 184 | |                 );
Nov 29 21:46:02.935 INFO [stderr]     | |__________________^
Nov 29 21:46:02.936 INFO [stderr]     |
Nov 29 21:46:02.936 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.936 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)
Nov 29 21:46:02.937 INFO [stderr] 
Nov 29 21:46:02.937 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.938 INFO [stderr]    --> src/codegen.rs:188:17
Nov 29 21:46:02.938 INFO [stderr]     |
Nov 29 21:46:02.938 INFO [stderr] 188 | /                 writeln!(
Nov 29 21:46:02.939 INFO [stderr] 189 | |                     buf,
Nov 29 21:46:02.939 INFO [stderr] 190 | |                     "  and {},{}",
Nov 29 21:46:02.939 INFO [stderr] 191 | |                     REGS64[*dst as usize], REGS64[*src as usize]
Nov 29 21:46:02.940 INFO [stderr] 192 | |                 );
Nov 29 21:46:02.940 INFO [stderr]     | |__________________^
Nov 29 21:46:02.940 INFO [stderr]     |
Nov 29 21:46:02.941 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.941 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)
Nov 29 21:46:02.941 INFO [stderr] 
Nov 29 21:46:02.942 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.942 INFO [stderr]    --> src/codegen.rs:196:17
Nov 29 21:46:02.943 INFO [stderr]     |
Nov 29 21:46:02.943 INFO [stderr] 196 |                 writeln!(buf, "  cmp {}, 0", REGS64[*reg as usize]);
Nov 29 21:46:02.943 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.944 INFO [stderr]     |
Nov 29 21:46:02.944 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.944 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)
Nov 29 21:46:02.945 INFO [stderr] 
Nov 29 21:46:02.945 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.945 INFO [stderr]    --> src/codegen.rs:197:17
Nov 29 21:46:02.946 INFO [stderr]     |
Nov 29 21:46:02.946 INFO [stderr] 197 |                 writeln!(buf, "  jne .L{}", val);
Nov 29 21:46:02.946 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.946 INFO [stderr]     |
Nov 29 21:46:02.947 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.947 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)
Nov 29 21:46:02.947 INFO [stderr] 
Nov 29 21:46:02.948 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.948 INFO [stderr]    --> src/codegen.rs:201:17
Nov 29 21:46:02.948 INFO [stderr]     |
Nov 29 21:46:02.949 INFO [stderr] 201 |                 writeln!(buf, "  lea {}, [rbp-{}]", REGS64[*reg as usize], val);
Nov 29 21:46:02.949 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.949 INFO [stderr]     |
Nov 29 21:46:02.950 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.950 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)
Nov 29 21:46:02.950 INFO [stderr] 
Nov 29 21:46:02.951 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.951 INFO [stderr]    --> src/codegen.rs:205:17
Nov 29 21:46:02.951 INFO [stderr]     |
Nov 29 21:46:02.952 INFO [stderr] 205 | /                 writeln!(
Nov 29 21:46:02.952 INFO [stderr] 206 | |                     buf,
Nov 29 21:46:02.952 INFO [stderr] 207 | |                     "  add {}, {}",
Nov 29 21:46:02.953 INFO [stderr] 208 | |                     REGS64[*dst as usize], REGS64[*src as usize]
Nov 29 21:46:02.953 INFO [stderr] 209 | |                 );
Nov 29 21:46:02.953 INFO [stderr]     | |__________________^
Nov 29 21:46:02.953 INFO [stderr]     |
Nov 29 21:46:02.954 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.954 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)
Nov 29 21:46:02.954 INFO [stderr] 
Nov 29 21:46:02.955 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.955 INFO [stderr]    --> src/codegen.rs:213:17
Nov 29 21:46:02.955 INFO [stderr]     |
Nov 29 21:46:02.955 INFO [stderr] 213 |                 writeln!(buf, "  add {}, {}", REGS64[*reg as usize], val);
Nov 29 21:46:02.956 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.956 INFO [stderr]     |
Nov 29 21:46:02.956 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.957 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)
Nov 29 21:46:02.957 INFO [stderr] 
Nov 29 21:46:02.957 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.958 INFO [stderr]    --> src/codegen.rs:217:17
Nov 29 21:46:02.958 INFO [stderr]     |
Nov 29 21:46:02.958 INFO [stderr] 217 | /                 writeln!(
Nov 29 21:46:02.958 INFO [stderr] 218 | |                     buf,
Nov 29 21:46:02.959 INFO [stderr] 219 | |                     "  sub {}, {}",
Nov 29 21:46:02.959 INFO [stderr] 220 | |                     REGS64[*dst as usize], REGS64[*src as usize]
Nov 29 21:46:02.959 INFO [stderr] 221 | |                 );
Nov 29 21:46:02.959 INFO [stderr]     | |__________________^
Nov 29 21:46:02.960 INFO [stderr]     |
Nov 29 21:46:02.960 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.960 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)
Nov 29 21:46:02.960 INFO [stderr] 
Nov 29 21:46:02.961 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.961 INFO [stderr]    --> src/codegen.rs:225:17
Nov 29 21:46:02.961 INFO [stderr]     |
Nov 29 21:46:02.962 INFO [stderr] 225 |                 writeln!(buf, "  sub {}, {}", REGS64[*reg as usize], val);
Nov 29 21:46:02.962 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.962 INFO [stderr]     |
Nov 29 21:46:02.963 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.963 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)
Nov 29 21:46:02.963 INFO [stderr] 
Nov 29 21:46:02.964 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.964 INFO [stderr]    --> src/codegen.rs:230:17
Nov 29 21:46:02.965 INFO [stderr]     |
Nov 29 21:46:02.965 INFO [stderr] 230 |                 writeln!(buf, "  mov rax, {}", REGS64[*src as usize]);
Nov 29 21:46:02.965 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.965 INFO [stderr]     |
Nov 29 21:46:02.966 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.966 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)
Nov 29 21:46:02.966 INFO [stderr] 
Nov 29 21:46:02.967 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.967 INFO [stderr]    --> src/codegen.rs:231:17
Nov 29 21:46:02.968 INFO [stderr]     |
Nov 29 21:46:02.968 INFO [stderr] 231 |                 writeln!(buf, "  mul {}", REGS64[*dst as usize]);
Nov 29 21:46:02.968 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.969 INFO [stderr]     |
Nov 29 21:46:02.969 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.969 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)
Nov 29 21:46:02.970 INFO [stderr] 
Nov 29 21:46:02.970 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.970 INFO [stderr]    --> src/codegen.rs:232:17
Nov 29 21:46:02.971 INFO [stderr]     |
Nov 29 21:46:02.971 INFO [stderr] 232 |                 writeln!(buf, "  mov {}, rax", REGS64[*dst as usize]);
Nov 29 21:46:02.971 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.972 INFO [stderr]     |
Nov 29 21:46:02.972 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.972 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)
Nov 29 21:46:02.973 INFO [stderr] 
Nov 29 21:46:02.973 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.973 INFO [stderr]    --> src/codegen.rs:236:17
Nov 29 21:46:02.974 INFO [stderr]     |
Nov 29 21:46:02.974 INFO [stderr] 236 |                 writeln!(buf, "  mov rax, {}", val);
Nov 29 21:46:02.974 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.974 INFO [stderr]     |
Nov 29 21:46:02.975 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.975 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)
Nov 29 21:46:02.975 INFO [stderr] 
Nov 29 21:46:02.976 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.976 INFO [stderr]    --> src/codegen.rs:237:17
Nov 29 21:46:02.976 INFO [stderr]     |
Nov 29 21:46:02.976 INFO [stderr] 237 |                 writeln!(buf, "  mul {}", REGS64[*reg as usize]);
Nov 29 21:46:02.977 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.977 INFO [stderr]     |
Nov 29 21:46:02.977 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.978 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)
Nov 29 21:46:02.978 INFO [stderr] 
Nov 29 21:46:02.979 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.979 INFO [stderr]    --> src/codegen.rs:238:17
Nov 29 21:46:02.979 INFO [stderr]     |
Nov 29 21:46:02.979 INFO [stderr] 238 |                 writeln!(buf, "  mov {}, rax", REGS64[*reg as usize]);
Nov 29 21:46:02.980 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.980 INFO [stderr]     |
Nov 29 21:46:02.981 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.981 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)
Nov 29 21:46:02.981 INFO [stderr] 
Nov 29 21:46:02.982 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.982 INFO [stderr]    --> src/codegen.rs:242:17
Nov 29 21:46:02.982 INFO [stderr]     |
Nov 29 21:46:02.982 INFO [stderr] 242 |                 writeln!(buf, "  mov rax, {}", REGS64[*dst as usize]);
Nov 29 21:46:02.983 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.983 INFO [stderr]     |
Nov 29 21:46:02.984 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.984 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)
Nov 29 21:46:02.984 INFO [stderr] 
Nov 29 21:46:02.985 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.985 INFO [stderr]    --> src/codegen.rs:243:17
Nov 29 21:46:02.985 INFO [stderr]     |
Nov 29 21:46:02.986 INFO [stderr] 243 |                 writeln!(buf, "  cqo");
Nov 29 21:46:02.986 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.986 INFO [stderr]     |
Nov 29 21:46:02.987 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.987 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)
Nov 29 21:46:02.987 INFO [stderr] 
Nov 29 21:46:02.988 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.988 INFO [stderr]    --> src/codegen.rs:244:17
Nov 29 21:46:02.988 INFO [stderr]     |
Nov 29 21:46:02.989 INFO [stderr] 244 |                 writeln!(buf, "  div {}", REGS64[*src as usize]);
Nov 29 21:46:02.989 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.989 INFO [stderr]     |
Nov 29 21:46:02.990 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.990 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)
Nov 29 21:46:02.991 INFO [stderr] 
Nov 29 21:46:02.991 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.992 INFO [stderr]    --> src/codegen.rs:245:17
Nov 29 21:46:02.992 INFO [stderr]     |
Nov 29 21:46:02.996 INFO [stderr] 245 |                 writeln!(buf, "  mov {}, rax", REGS64[*dst as usize]);
Nov 29 21:46:02.996 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.996 INFO [stderr]     |
Nov 29 21:46:02.996 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.996 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)
Nov 29 21:46:02.996 INFO [stderr] 
Nov 29 21:46:02.996 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.996 INFO [stderr]    --> src/codegen.rs:249:17
Nov 29 21:46:02.996 INFO [stderr]     |
Nov 29 21:46:02.996 INFO [stderr] 249 |                 writeln!(buf, "  mov rax, {}", REGS64[*dst as usize]);
Nov 29 21:46:02.996 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.996 INFO [stderr]     |
Nov 29 21:46:02.996 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.996 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)
Nov 29 21:46:02.996 INFO [stderr] 
Nov 29 21:46:02.996 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.996 INFO [stderr]    --> src/codegen.rs:250:17
Nov 29 21:46:02.996 INFO [stderr]     |
Nov 29 21:46:02.996 INFO [stderr] 250 |                 writeln!(buf, "  cqo");
Nov 29 21:46:02.996 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.996 INFO [stderr]     |
Nov 29 21:46:02.996 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.996 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)
Nov 29 21:46:02.996 INFO [stderr] 
Nov 29 21:46:02.996 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.996 INFO [stderr]    --> src/codegen.rs:251:17
Nov 29 21:46:02.996 INFO [stderr]     |
Nov 29 21:46:02.996 INFO [stderr] 251 |                 writeln!(buf, "  div {}", REGS64[*src as usize]);
Nov 29 21:46:02.996 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.996 INFO [stderr]     |
Nov 29 21:46:02.996 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.996 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)
Nov 29 21:46:02.996 INFO [stderr] 
Nov 29 21:46:02.996 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.996 INFO [stderr]    --> src/codegen.rs:252:17
Nov 29 21:46:02.996 INFO [stderr]     |
Nov 29 21:46:02.996 INFO [stderr] 252 |                 writeln!(buf, "  mov {}, rdx", REGS64[*dst as usize]);
Nov 29 21:46:02.996 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.996 INFO [stderr]     |
Nov 29 21:46:02.996 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.996 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)
Nov 29 21:46:02.996 INFO [stderr] 
Nov 29 21:46:02.997 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.997 INFO [stderr]    --> src/codegen.rs:256:17
Nov 29 21:46:02.997 INFO [stderr]     |
Nov 29 21:46:02.997 INFO [stderr] 256 |                 writeln!(buf, "  mov cl, {}", REGS8[*src as usize]);
Nov 29 21:46:02.997 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.997 INFO [stderr]     |
Nov 29 21:46:02.997 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.997 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)
Nov 29 21:46:02.997 INFO [stderr] 
Nov 29 21:46:02.997 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.997 INFO [stderr]    --> src/codegen.rs:257:17
Nov 29 21:46:02.997 INFO [stderr]     |
Nov 29 21:46:02.997 INFO [stderr] 257 |                 writeln!(buf, "  shl {}, cl", REGS64[*dst as usize]);
Nov 29 21:46:02.997 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.997 INFO [stderr]     |
Nov 29 21:46:02.997 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.997 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)
Nov 29 21:46:02.997 INFO [stderr] 
Nov 29 21:46:02.997 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:02.997 INFO [stderr]    --> src/codegen.rs:261:17
Nov 29 21:46:02.997 INFO [stderr]     |
Nov 29 21:46:02.997 INFO [stderr] 261 |                 writeln!(buf, "  mov cl, {}", REGS8[*src as usize]);
Nov 29 21:46:02.997 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:02.997 INFO [stderr]     |
Nov 29 21:46:02.997 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:02.997 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)
Nov 29 21:46:02.997 INFO [stderr] 
Nov 29 21:46:02.997 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.000 INFO [stderr]    --> src/codegen.rs:262:17
Nov 29 21:46:03.000 INFO [stderr]     |
Nov 29 21:46:03.000 INFO [stderr] 262 |                 writeln!(buf, "  shr {}, cl", REGS64[*dst as usize]);
Nov 29 21:46:03.000 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.000 INFO [stderr]     |
Nov 29 21:46:03.000 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.000 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)
Nov 29 21:46:03.000 INFO [stderr] 
Nov 29 21:46:03.000 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.000 INFO [stderr]    --> src/codegen.rs:266:17
Nov 29 21:46:03.000 INFO [stderr]     |
Nov 29 21:46:03.000 INFO [stderr] 266 |                 writeln!(buf, "  neg {}", REGS64[*src as usize]);
Nov 29 21:46:03.000 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.000 INFO [stderr]     |
Nov 29 21:46:03.000 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.000 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)
Nov 29 21:46:03.000 INFO [stderr] 
Nov 29 21:46:03.000 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.000 INFO [stderr]    --> src/codegen.rs:273:21
Nov 29 21:46:03.000 INFO [stderr]     |
Nov 29 21:46:03.000 INFO [stderr] 273 |                     writeln!(buf, "  mov {}, {}", caller64[i], REGS64[*arg as usize]);
Nov 29 21:46:03.000 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.000 INFO [stderr]     |
Nov 29 21:46:03.000 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.000 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)
Nov 29 21:46:03.000 INFO [stderr] 
Nov 29 21:46:03.000 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.000 INFO [stderr]    --> src/codegen.rs:276:17
Nov 29 21:46:03.000 INFO [stderr]     |
Nov 29 21:46:03.000 INFO [stderr] 276 |                 writeln!(buf, "  push r10");
Nov 29 21:46:03.000 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.000 INFO [stderr]     |
Nov 29 21:46:03.000 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.000 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)
Nov 29 21:46:03.000 INFO [stderr] 
Nov 29 21:46:03.000 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.000 INFO [stderr]    --> src/codegen.rs:277:17
Nov 29 21:46:03.000 INFO [stderr]     |
Nov 29 21:46:03.000 INFO [stderr] 277 |                 writeln!(buf, "  push r11");
Nov 29 21:46:03.001 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.001 INFO [stderr]     |
Nov 29 21:46:03.001 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.001 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)
Nov 29 21:46:03.001 INFO [stderr] 
Nov 29 21:46:03.001 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.001 INFO [stderr]    --> src/codegen.rs:278:17
Nov 29 21:46:03.001 INFO [stderr]     |
Nov 29 21:46:03.001 INFO [stderr] 278 |                 writeln!(buf, "  mov rax, 0");
Nov 29 21:46:03.001 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.001 INFO [stderr]     |
Nov 29 21:46:03.001 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.001 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)
Nov 29 21:46:03.001 INFO [stderr] 
Nov 29 21:46:03.004 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.004 INFO [stderr]    --> src/codegen.rs:279:17
Nov 29 21:46:03.004 INFO [stderr]     |
Nov 29 21:46:03.004 INFO [stderr] 279 |                 writeln!(buf, "  call {}", name);
Nov 29 21:46:03.004 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.004 INFO [stderr]     |
Nov 29 21:46:03.004 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.004 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)
Nov 29 21:46:03.004 INFO [stderr] 
Nov 29 21:46:03.004 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.004 INFO [stderr]    --> src/codegen.rs:280:17
Nov 29 21:46:03.004 INFO [stderr]     |
Nov 29 21:46:03.004 INFO [stderr] 280 |                 writeln!(buf, "  pop r11");
Nov 29 21:46:03.004 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.004 INFO [stderr]     |
Nov 29 21:46:03.004 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.004 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)
Nov 29 21:46:03.004 INFO [stderr] 
Nov 29 21:46:03.004 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.004 INFO [stderr]    --> src/codegen.rs:281:17
Nov 29 21:46:03.004 INFO [stderr]     |
Nov 29 21:46:03.004 INFO [stderr] 281 |                 writeln!(buf, "  pop r10");
Nov 29 21:46:03.004 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.004 INFO [stderr]     |
Nov 29 21:46:03.004 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.004 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)
Nov 29 21:46:03.004 INFO [stderr] 
Nov 29 21:46:03.004 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.004 INFO [stderr]    --> src/codegen.rs:283:17
Nov 29 21:46:03.004 INFO [stderr]     |
Nov 29 21:46:03.004 INFO [stderr] 283 |                 writeln!(buf, "  mov {}, rax", REGS64[*reg as usize]);
Nov 29 21:46:03.004 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.004 INFO [stderr]     |
Nov 29 21:46:03.004 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.004 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)
Nov 29 21:46:03.004 INFO [stderr] 
Nov 29 21:46:03.004 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.004 INFO [stderr]    --> src/codegen.rs:292:5
Nov 29 21:46:03.004 INFO [stderr]     |
Nov 29 21:46:03.004 INFO [stderr] 292 |     writeln!(buf, "{}:", ret);
Nov 29 21:46:03.004 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.004 INFO [stderr]     |
Nov 29 21:46:03.004 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.005 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)
Nov 29 21:46:03.005 INFO [stderr] 
Nov 29 21:46:03.005 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.005 INFO [stderr]    --> src/codegen.rs:295:13
Nov 29 21:46:03.005 INFO [stderr]     |
Nov 29 21:46:03.005 INFO [stderr] 295 |             writeln!(buf, "  pop {}", r);
Nov 29 21:46:03.005 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.005 INFO [stderr]     |
Nov 29 21:46:03.005 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.005 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)
Nov 29 21:46:03.005 INFO [stderr] 
Nov 29 21:46:03.005 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.008 INFO [stderr]    --> src/codegen.rs:298:5
Nov 29 21:46:03.008 INFO [stderr]     |
Nov 29 21:46:03.008 INFO [stderr] 298 |     writeln!(buf, "  mov rsp, rbp");
Nov 29 21:46:03.008 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.008 INFO [stderr]     |
Nov 29 21:46:03.008 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.008 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)
Nov 29 21:46:03.008 INFO [stderr] 
Nov 29 21:46:03.008 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.008 INFO [stderr]    --> src/codegen.rs:299:5
Nov 29 21:46:03.008 INFO [stderr]     |
Nov 29 21:46:03.008 INFO [stderr] 299 |     writeln!(buf, "  pop rbp");
Nov 29 21:46:03.008 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.008 INFO [stderr]     |
Nov 29 21:46:03.008 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.008 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)
Nov 29 21:46:03.008 INFO [stderr] 
Nov 29 21:46:03.008 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.008 INFO [stderr]    --> src/codegen.rs:300:5
Nov 29 21:46:03.008 INFO [stderr]     |
Nov 29 21:46:03.008 INFO [stderr] 300 |     writeln!(buf, "  ret");
Nov 29 21:46:03.008 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.008 INFO [stderr]     |
Nov 29 21:46:03.008 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.008 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)
Nov 29 21:46:03.008 INFO [stderr] 
Nov 29 21:46:03.008 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.008 INFO [stderr]    --> src/codegen.rs:304:5
Nov 29 21:46:03.008 INFO [stderr]     |
Nov 29 21:46:03.008 INFO [stderr] 304 | /     writeln!(
Nov 29 21:46:03.008 INFO [stderr] 305 | |         buf,
Nov 29 21:46:03.008 INFO [stderr] 306 | |         "  cmp {}, {}",
Nov 29 21:46:03.008 INFO [stderr] 307 | |         REGS64[dst as usize], REGS64[src as usize]
Nov 29 21:46:03.008 INFO [stderr] 308 | |     );
Nov 29 21:46:03.008 INFO [stderr]     | |______^
Nov 29 21:46:03.008 INFO [stderr]     |
Nov 29 21:46:03.008 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.008 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)
Nov 29 21:46:03.008 INFO [stderr] 
Nov 29 21:46:03.008 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.008 INFO [stderr]    --> src/codegen.rs:315:5
Nov 29 21:46:03.008 INFO [stderr]     |
Nov 29 21:46:03.008 INFO [stderr] 315 | /     writeln!(
Nov 29 21:46:03.009 INFO [stderr] 316 | |         buf,
Nov 29 21:46:03.009 INFO [stderr] 317 | |         "  movzx {}, {}",
Nov 29 21:46:03.009 INFO [stderr] 318 | |         REGS64[dst as usize], REGS8[dst as usize]
Nov 29 21:46:03.009 INFO [stderr] 319 | |     );
Nov 29 21:46:03.009 INFO [stderr]     | |______^
Nov 29 21:46:03.009 INFO [stderr]     |
Nov 29 21:46:03.009 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.009 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)
Nov 29 21:46:03.009 INFO [stderr] 
Nov 29 21:46:03.449 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.449 INFO [stderr]   --> src/codegen.rs:19:5
Nov 29 21:46:03.449 INFO [stderr]    |
Nov 29 21:46:03.450 INFO [stderr] 19 |     writeln!(&mut buf, ".intel_syntax noprefix");
Nov 29 21:46:03.450 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.450 INFO [stderr]    |
Nov 29 21:46:03.450 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 21:46:03.450 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.451 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)
Nov 29 21:46:03.451 INFO [stderr] 
Nov 29 21:46:03.451 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.451 INFO [stderr]   --> src/codegen.rs:21:5
Nov 29 21:46:03.451 INFO [stderr]    |
Nov 29 21:46:03.452 INFO [stderr] 21 |     writeln!(&mut buf, ".data");
Nov 29 21:46:03.452 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.452 INFO [stderr]    |
Nov 29 21:46:03.452 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.452 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)
Nov 29 21:46:03.453 INFO [stderr] 
Nov 29 21:46:03.453 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.453 INFO [stderr]   --> src/codegen.rs:27:13
Nov 29 21:46:03.453 INFO [stderr]    |
Nov 29 21:46:03.453 INFO [stderr] 27 |             writeln!(&mut buf, "{}:", &name);
Nov 29 21:46:03.453 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.454 INFO [stderr]    |
Nov 29 21:46:03.454 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.454 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)
Nov 29 21:46:03.454 INFO [stderr] 
Nov 29 21:46:03.454 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.454 INFO [stderr]   --> src/codegen.rs:28:13
Nov 29 21:46:03.454 INFO [stderr]    |
Nov 29 21:46:03.455 INFO [stderr] 28 |             writeln!(&mut buf, "  .ascii \"{}\"", escape(&data));
Nov 29 21:46:03.455 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.455 INFO [stderr]    |
Nov 29 21:46:03.455 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.455 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)
Nov 29 21:46:03.455 INFO [stderr] 
Nov 29 21:46:03.456 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.456 INFO [stderr]   --> src/codegen.rs:32:5
Nov 29 21:46:03.456 INFO [stderr]    |
Nov 29 21:46:03.456 INFO [stderr] 32 |     writeln!(&mut buf, ".text");
Nov 29 21:46:03.456 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.456 INFO [stderr]    |
Nov 29 21:46:03.456 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.457 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)
Nov 29 21:46:03.457 INFO [stderr] 
Nov 29 21:46:03.457 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.457 INFO [stderr]   --> src/codegen.rs:46:5
Nov 29 21:46:03.457 INFO [stderr]    |
Nov 29 21:46:03.457 INFO [stderr] 46 |     writeln!(buf, ".global {}", func.name);
Nov 29 21:46:03.458 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.458 INFO [stderr]    |
Nov 29 21:46:03.458 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.458 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)
Nov 29 21:46:03.458 INFO [stderr] 
Nov 29 21:46:03.458 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.459 INFO [stderr]   --> src/codegen.rs:47:5
Nov 29 21:46:03.459 INFO [stderr]    |
Nov 29 21:46:03.459 INFO [stderr] 47 |     writeln!(buf, "{}:", func.name);
Nov 29 21:46:03.459 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.459 INFO [stderr]    |
Nov 29 21:46:03.460 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.460 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)
Nov 29 21:46:03.460 INFO [stderr] 
Nov 29 21:46:03.460 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.460 INFO [stderr]   --> src/codegen.rs:49:5
Nov 29 21:46:03.460 INFO [stderr]    |
Nov 29 21:46:03.461 INFO [stderr] 49 |     writeln!(buf, "  push rbp");
Nov 29 21:46:03.461 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.461 INFO [stderr]    |
Nov 29 21:46:03.461 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.461 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)
Nov 29 21:46:03.461 INFO [stderr] 
Nov 29 21:46:03.461 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.462 INFO [stderr]   --> src/codegen.rs:50:5
Nov 29 21:46:03.462 INFO [stderr]    |
Nov 29 21:46:03.462 INFO [stderr] 50 |     writeln!(buf, "  mov rbp, rsp");
Nov 29 21:46:03.462 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.462 INFO [stderr]    |
Nov 29 21:46:03.462 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.462 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)
Nov 29 21:46:03.462 INFO [stderr] 
Nov 29 21:46:03.462 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.462 INFO [stderr]   --> src/codegen.rs:51:5
Nov 29 21:46:03.462 INFO [stderr]    |
Nov 29 21:46:03.462 INFO [stderr] 51 |     writeln!(buf, "  sub rsp, {}", round(func.stacksize, 16));
Nov 29 21:46:03.462 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.462 INFO [stderr]    |
Nov 29 21:46:03.462 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.462 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)
Nov 29 21:46:03.462 INFO [stderr] 
Nov 29 21:46:03.462 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.462 INFO [stderr]   --> src/codegen.rs:74:9
Nov 29 21:46:03.462 INFO [stderr]    |
Nov 29 21:46:03.462 INFO [stderr] 74 |         writeln!(buf, "  push {}", r);
Nov 29 21:46:03.462 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.462 INFO [stderr]    |
Nov 29 21:46:03.463 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.463 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)
Nov 29 21:46:03.463 INFO [stderr] 
Nov 29 21:46:03.463 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.463 INFO [stderr]   --> src/codegen.rs:83:17
Nov 29 21:46:03.463 INFO [stderr]    |
Nov 29 21:46:03.463 INFO [stderr] 83 |                 writeln!(buf, "  mov {}, {}", REGS64[*reg as usize], val);
Nov 29 21:46:03.463 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.463 INFO [stderr]    |
Nov 29 21:46:03.463 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.463 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)
Nov 29 21:46:03.463 INFO [stderr] 
Nov 29 21:46:03.463 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.463 INFO [stderr]   --> src/codegen.rs:87:17
Nov 29 21:46:03.463 INFO [stderr]    |
Nov 29 21:46:03.463 INFO [stderr] 87 | /                 writeln!(
Nov 29 21:46:03.463 INFO [stderr] 88 | |                     buf,
Nov 29 21:46:03.463 INFO [stderr] 89 | |                     "  mov {}, {}",
Nov 29 21:46:03.463 INFO [stderr] 90 | |                     REGS64[*dst as usize], REGS64[*src as usize]
Nov 29 21:46:03.463 INFO [stderr] 91 | |                 );
Nov 29 21:46:03.463 INFO [stderr]    | |__________________^
Nov 29 21:46:03.463 INFO [stderr]    |
Nov 29 21:46:03.463 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.463 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)
Nov 29 21:46:03.463 INFO [stderr] 
Nov 29 21:46:03.463 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.463 INFO [stderr]   --> src/codegen.rs:95:17
Nov 29 21:46:03.463 INFO [stderr]    |
Nov 29 21:46:03.463 INFO [stderr] 95 |                 writeln!(buf, "  mov rax, {}", REGS64[*src as usize]);
Nov 29 21:46:03.463 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.464 INFO [stderr]    |
Nov 29 21:46:03.464 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.464 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)
Nov 29 21:46:03.464 INFO [stderr] 
Nov 29 21:46:03.464 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.464 INFO [stderr]   --> src/codegen.rs:96:17
Nov 29 21:46:03.464 INFO [stderr]    |
Nov 29 21:46:03.464 INFO [stderr] 96 |                 writeln!(buf, "  jmp {}", ret);
Nov 29 21:46:03.464 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.464 INFO [stderr]    |
Nov 29 21:46:03.464 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.464 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)
Nov 29 21:46:03.464 INFO [stderr] 
Nov 29 21:46:03.464 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.464 INFO [stderr]    --> src/codegen.rs:100:17
Nov 29 21:46:03.464 INFO [stderr]     |
Nov 29 21:46:03.464 INFO [stderr] 100 | /                 writeln!(
Nov 29 21:46:03.464 INFO [stderr] 101 | |                     buf,
Nov 29 21:46:03.464 INFO [stderr] 102 | |                     "  mov {}, [{}]",
Nov 29 21:46:03.464 INFO [stderr] 103 | |                     match w {
Nov 29 21:46:03.464 INFO [stderr] ...   |
Nov 29 21:46:03.464 INFO [stderr] 108 | |                     REGS64[*src as usize]
Nov 29 21:46:03.464 INFO [stderr] 109 | |                 );
Nov 29 21:46:03.464 INFO [stderr]     | |__________________^
Nov 29 21:46:03.464 INFO [stderr]     |
Nov 29 21:46:03.464 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.464 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)
Nov 29 21:46:03.465 INFO [stderr] 
Nov 29 21:46:03.465 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.465 INFO [stderr]    --> src/codegen.rs:112:21
Nov 29 21:46:03.465 INFO [stderr]     |
Nov 29 21:46:03.465 INFO [stderr] 112 | /                     writeln!(
Nov 29 21:46:03.465 INFO [stderr] 113 | |                         buf,
Nov 29 21:46:03.465 INFO [stderr] 114 | |                         "  movzx {}, {}",
Nov 29 21:46:03.465 INFO [stderr] 115 | |                         REGS64[*dst as usize], REGS8[*dst as usize]
Nov 29 21:46:03.465 INFO [stderr] 116 | |                     );
Nov 29 21:46:03.465 INFO [stderr]     | |______________________^
Nov 29 21:46:03.465 INFO [stderr]     |
Nov 29 21:46:03.465 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.465 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)
Nov 29 21:46:03.465 INFO [stderr] 
Nov 29 21:46:03.465 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.465 INFO [stderr]    --> src/codegen.rs:121:17
Nov 29 21:46:03.465 INFO [stderr]     |
Nov 29 21:46:03.465 INFO [stderr] 121 | /                 writeln!(
Nov 29 21:46:03.465 INFO [stderr] 122 | |                     buf,
Nov 29 21:46:03.465 INFO [stderr] 123 | |                     "  mov [{}], {}",
Nov 29 21:46:03.465 INFO [stderr] 124 | |                     REGS64[*dst as usize],
Nov 29 21:46:03.465 INFO [stderr] ...   |
Nov 29 21:46:03.465 INFO [stderr] 129 | |                     },
Nov 29 21:46:03.465 INFO [stderr] 130 | |                 );
Nov 29 21:46:03.465 INFO [stderr]     | |__________________^
Nov 29 21:46:03.465 INFO [stderr]     |
Nov 29 21:46:03.465 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.465 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)
Nov 29 21:46:03.465 INFO [stderr] 
Nov 29 21:46:03.465 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.465 INFO [stderr]    --> src/codegen.rs:134:17
Nov 29 21:46:03.466 INFO [stderr]     |
Nov 29 21:46:03.466 INFO [stderr] 134 | /                 writeln!(
Nov 29 21:46:03.466 INFO [stderr] 135 | |                     buf,
Nov 29 21:46:03.466 INFO [stderr] 136 | |                     "  mov [rbp-{}], {}",
Nov 29 21:46:03.466 INFO [stderr] 137 | |                     val,
Nov 29 21:46:03.466 INFO [stderr] ...   |
Nov 29 21:46:03.466 INFO [stderr] 142 | |                     },
Nov 29 21:46:03.466 INFO [stderr] 143 | |                 );
Nov 29 21:46:03.466 INFO [stderr]     | |__________________^
Nov 29 21:46:03.466 INFO [stderr]     |
Nov 29 21:46:03.466 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.466 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)
Nov 29 21:46:03.466 INFO [stderr] 
Nov 29 21:46:03.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.466 INFO [stderr]    --> src/codegen.rs:147:17
Nov 29 21:46:03.466 INFO [stderr]     |
Nov 29 21:46:03.466 INFO [stderr] 147 |                 writeln!(buf, ".L{}:", val);
Nov 29 21:46:03.466 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.466 INFO [stderr]     |
Nov 29 21:46:03.466 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.466 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)
Nov 29 21:46:03.466 INFO [stderr] 
Nov 29 21:46:03.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.466 INFO [stderr]    --> src/codegen.rs:151:17
Nov 29 21:46:03.466 INFO [stderr]     |
Nov 29 21:46:03.466 INFO [stderr] 151 |                 writeln!(buf, "  lea {}, {}", REGS64[*reg as usize], label);
Nov 29 21:46:03.466 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.466 INFO [stderr]     |
Nov 29 21:46:03.466 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.467 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)
Nov 29 21:46:03.467 INFO [stderr] 
Nov 29 21:46:03.467 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.467 INFO [stderr]    --> src/codegen.rs:155:17
Nov 29 21:46:03.467 INFO [stderr]     |
Nov 29 21:46:03.467 INFO [stderr] 155 |                 writeln!(buf, "  cmp {}, 0", REGS64[*reg as usize]);
Nov 29 21:46:03.467 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.467 INFO [stderr]     |
Nov 29 21:46:03.467 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.467 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)
Nov 29 21:46:03.467 INFO [stderr] 
Nov 29 21:46:03.467 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.467 INFO [stderr]    --> src/codegen.rs:156:17
Nov 29 21:46:03.467 INFO [stderr]     |
Nov 29 21:46:03.467 INFO [stderr] 156 |                 writeln!(buf, "  je .L{}", val);
Nov 29 21:46:03.467 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.467 INFO [stderr]     |
Nov 29 21:46:03.467 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.467 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)
Nov 29 21:46:03.467 INFO [stderr] 
Nov 29 21:46:03.467 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.467 INFO [stderr]    --> src/codegen.rs:160:17
Nov 29 21:46:03.467 INFO [stderr]     |
Nov 29 21:46:03.467 INFO [stderr] 160 |                 writeln!(buf, "  jmp .L{}", val);
Nov 29 21:46:03.467 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.467 INFO [stderr]     |
Nov 29 21:46:03.467 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.467 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)
Nov 29 21:46:03.467 INFO [stderr] 
Nov 29 21:46:03.467 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.468 INFO [stderr]    --> src/codegen.rs:164:17
Nov 29 21:46:03.468 INFO [stderr]     |
Nov 29 21:46:03.468 INFO [stderr] 164 | /                 writeln!(
Nov 29 21:46:03.468 INFO [stderr] 165 | |                     buf,
Nov 29 21:46:03.468 INFO [stderr] 166 | |                     "  or {},{}",
Nov 29 21:46:03.468 INFO [stderr] 167 | |                     REGS64[*dst as usize], REGS64[*src as usize]
Nov 29 21:46:03.468 INFO [stderr] 168 | |                 );
Nov 29 21:46:03.468 INFO [stderr]     | |__________________^
Nov 29 21:46:03.468 INFO [stderr]     |
Nov 29 21:46:03.468 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.468 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)
Nov 29 21:46:03.468 INFO [stderr] 
Nov 29 21:46:03.468 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.468 INFO [stderr]    --> src/codegen.rs:172:17
Nov 29 21:46:03.468 INFO [stderr]     |
Nov 29 21:46:03.468 INFO [stderr] 172 | /                 writeln!(
Nov 29 21:46:03.468 INFO [stderr] 173 | |                     buf,
Nov 29 21:46:03.468 INFO [stderr] 174 | |                     "  xor {},{}",
Nov 29 21:46:03.468 INFO [stderr] 175 | |                     REGS64[*dst as usize], REGS64[*src as usize]
Nov 29 21:46:03.468 INFO [stderr] 176 | |                 );
Nov 29 21:46:03.468 INFO [stderr]     | |__________________^
Nov 29 21:46:03.468 INFO [stderr]     |
Nov 29 21:46:03.468 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.468 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)
Nov 29 21:46:03.468 INFO [stderr] 
Nov 29 21:46:03.468 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.468 INFO [stderr]    --> src/codegen.rs:180:17
Nov 29 21:46:03.468 INFO [stderr]     |
Nov 29 21:46:03.468 INFO [stderr] 180 | /                 writeln!(
Nov 29 21:46:03.469 INFO [stderr] 181 | |                     buf,
Nov 29 21:46:03.469 INFO [stderr] 182 | |                     "  xor {},{}",
Nov 29 21:46:03.469 INFO [stderr] 183 | |                     REGS64[*reg as usize], val
Nov 29 21:46:03.469 INFO [stderr] 184 | |                 );
Nov 29 21:46:03.469 INFO [stderr]     | |__________________^
Nov 29 21:46:03.469 INFO [stderr]     |
Nov 29 21:46:03.469 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.469 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)
Nov 29 21:46:03.469 INFO [stderr] 
Nov 29 21:46:03.469 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.469 INFO [stderr]    --> src/codegen.rs:188:17
Nov 29 21:46:03.469 INFO [stderr]     |
Nov 29 21:46:03.469 INFO [stderr] 188 | /                 writeln!(
Nov 29 21:46:03.469 INFO [stderr] 189 | |                     buf,
Nov 29 21:46:03.469 INFO [stderr] 190 | |                     "  and {},{}",
Nov 29 21:46:03.469 INFO [stderr] 191 | |                     REGS64[*dst as usize], REGS64[*src as usize]
Nov 29 21:46:03.469 INFO [stderr] 192 | |                 );
Nov 29 21:46:03.469 INFO [stderr]     | |__________________^
Nov 29 21:46:03.469 INFO [stderr]     |
Nov 29 21:46:03.469 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.469 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)
Nov 29 21:46:03.469 INFO [stderr] 
Nov 29 21:46:03.469 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.469 INFO [stderr]    --> src/codegen.rs:196:17
Nov 29 21:46:03.469 INFO [stderr]     |
Nov 29 21:46:03.469 INFO [stderr] 196 |                 writeln!(buf, "  cmp {}, 0", REGS64[*reg as usize]);
Nov 29 21:46:03.469 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.469 INFO [stderr]     |
Nov 29 21:46:03.469 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.470 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)
Nov 29 21:46:03.470 INFO [stderr] 
Nov 29 21:46:03.470 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.470 INFO [stderr]    --> src/codegen.rs:197:17
Nov 29 21:46:03.470 INFO [stderr]     |
Nov 29 21:46:03.470 INFO [stderr] 197 |                 writeln!(buf, "  jne .L{}", val);
Nov 29 21:46:03.470 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.470 INFO [stderr]     |
Nov 29 21:46:03.470 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.470 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)
Nov 29 21:46:03.470 INFO [stderr] 
Nov 29 21:46:03.470 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.470 INFO [stderr]    --> src/codegen.rs:201:17
Nov 29 21:46:03.470 INFO [stderr]     |
Nov 29 21:46:03.470 INFO [stderr] 201 |                 writeln!(buf, "  lea {}, [rbp-{}]", REGS64[*reg as usize], val);
Nov 29 21:46:03.470 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.470 INFO [stderr]     |
Nov 29 21:46:03.470 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.470 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)
Nov 29 21:46:03.470 INFO [stderr] 
Nov 29 21:46:03.470 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.470 INFO [stderr]    --> src/codegen.rs:205:17
Nov 29 21:46:03.470 INFO [stderr]     |
Nov 29 21:46:03.470 INFO [stderr] 205 | /                 writeln!(
Nov 29 21:46:03.470 INFO [stderr] 206 | |                     buf,
Nov 29 21:46:03.470 INFO [stderr] 207 | |                     "  add {}, {}",
Nov 29 21:46:03.470 INFO [stderr] 208 | |                     REGS64[*dst as usize], REGS64[*src as usize]
Nov 29 21:46:03.471 INFO [stderr] 209 | |                 );
Nov 29 21:46:03.471 INFO [stderr]     | |__________________^
Nov 29 21:46:03.471 INFO [stderr]     |
Nov 29 21:46:03.471 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.471 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)
Nov 29 21:46:03.471 INFO [stderr] 
Nov 29 21:46:03.471 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.471 INFO [stderr]    --> src/codegen.rs:213:17
Nov 29 21:46:03.471 INFO [stderr]     |
Nov 29 21:46:03.471 INFO [stderr] 213 |                 writeln!(buf, "  add {}, {}", REGS64[*reg as usize], val);
Nov 29 21:46:03.471 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.471 INFO [stderr]     |
Nov 29 21:46:03.471 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.471 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)
Nov 29 21:46:03.471 INFO [stderr] 
Nov 29 21:46:03.471 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.471 INFO [stderr]    --> src/codegen.rs:217:17
Nov 29 21:46:03.471 INFO [stderr]     |
Nov 29 21:46:03.471 INFO [stderr] 217 | /                 writeln!(
Nov 29 21:46:03.471 INFO [stderr] 218 | |                     buf,
Nov 29 21:46:03.471 INFO [stderr] 219 | |                     "  sub {}, {}",
Nov 29 21:46:03.471 INFO [stderr] 220 | |                     REGS64[*dst as usize], REGS64[*src as usize]
Nov 29 21:46:03.471 INFO [stderr] 221 | |                 );
Nov 29 21:46:03.471 INFO [stderr]     | |__________________^
Nov 29 21:46:03.471 INFO [stderr]     |
Nov 29 21:46:03.471 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.471 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)
Nov 29 21:46:03.471 INFO [stderr] 
Nov 29 21:46:03.471 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.471 INFO [stderr]    --> src/codegen.rs:225:17
Nov 29 21:46:03.472 INFO [stderr]     |
Nov 29 21:46:03.472 INFO [stderr] 225 |                 writeln!(buf, "  sub {}, {}", REGS64[*reg as usize], val);
Nov 29 21:46:03.472 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.472 INFO [stderr]     |
Nov 29 21:46:03.472 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.472 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)
Nov 29 21:46:03.472 INFO [stderr] 
Nov 29 21:46:03.472 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.472 INFO [stderr]    --> src/codegen.rs:230:17
Nov 29 21:46:03.472 INFO [stderr]     |
Nov 29 21:46:03.472 INFO [stderr] 230 |                 writeln!(buf, "  mov rax, {}", REGS64[*src as usize]);
Nov 29 21:46:03.472 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.472 INFO [stderr]     |
Nov 29 21:46:03.472 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.472 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)
Nov 29 21:46:03.472 INFO [stderr] 
Nov 29 21:46:03.472 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.472 INFO [stderr]    --> src/codegen.rs:231:17
Nov 29 21:46:03.472 INFO [stderr]     |
Nov 29 21:46:03.472 INFO [stderr] 231 |                 writeln!(buf, "  mul {}", REGS64[*dst as usize]);
Nov 29 21:46:03.472 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.472 INFO [stderr]     |
Nov 29 21:46:03.472 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.472 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)
Nov 29 21:46:03.472 INFO [stderr] 
Nov 29 21:46:03.472 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.472 INFO [stderr]    --> src/codegen.rs:232:17
Nov 29 21:46:03.472 INFO [stderr]     |
Nov 29 21:46:03.472 INFO [stderr] 232 |                 writeln!(buf, "  mov {}, rax", REGS64[*dst as usize]);
Nov 29 21:46:03.472 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.473 INFO [stderr]     |
Nov 29 21:46:03.473 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.473 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)
Nov 29 21:46:03.473 INFO [stderr] 
Nov 29 21:46:03.473 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.473 INFO [stderr]    --> src/codegen.rs:236:17
Nov 29 21:46:03.473 INFO [stderr]     |
Nov 29 21:46:03.473 INFO [stderr] 236 |                 writeln!(buf, "  mov rax, {}", val);
Nov 29 21:46:03.473 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.473 INFO [stderr]     |
Nov 29 21:46:03.473 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.473 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)
Nov 29 21:46:03.473 INFO [stderr] 
Nov 29 21:46:03.473 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.473 INFO [stderr]    --> src/codegen.rs:237:17
Nov 29 21:46:03.473 INFO [stderr]     |
Nov 29 21:46:03.473 INFO [stderr] 237 |                 writeln!(buf, "  mul {}", REGS64[*reg as usize]);
Nov 29 21:46:03.473 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.473 INFO [stderr]     |
Nov 29 21:46:03.473 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.473 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)
Nov 29 21:46:03.473 INFO [stderr] 
Nov 29 21:46:03.473 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.473 INFO [stderr]    --> src/codegen.rs:238:17
Nov 29 21:46:03.473 INFO [stderr]     |
Nov 29 21:46:03.473 INFO [stderr] 238 |                 writeln!(buf, "  mov {}, rax", REGS64[*reg as usize]);
Nov 29 21:46:03.473 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.473 INFO [stderr]     |
Nov 29 21:46:03.473 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.473 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)
Nov 29 21:46:03.473 INFO [stderr] 
Nov 29 21:46:03.473 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.473 INFO [stderr]    --> src/codegen.rs:242:17
Nov 29 21:46:03.473 INFO [stderr]     |
Nov 29 21:46:03.473 INFO [stderr] 242 |                 writeln!(buf, "  mov rax, {}", REGS64[*dst as usize]);
Nov 29 21:46:03.473 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.473 INFO [stderr]     |
Nov 29 21:46:03.474 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.474 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)
Nov 29 21:46:03.474 INFO [stderr] 
Nov 29 21:46:03.474 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.474 INFO [stderr]    --> src/codegen.rs:243:17
Nov 29 21:46:03.474 INFO [stderr]     |
Nov 29 21:46:03.474 INFO [stderr] 243 |                 writeln!(buf, "  cqo");
Nov 29 21:46:03.474 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.474 INFO [stderr]     |
Nov 29 21:46:03.474 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.474 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)
Nov 29 21:46:03.474 INFO [stderr] 
Nov 29 21:46:03.474 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.474 INFO [stderr]    --> src/codegen.rs:244:17
Nov 29 21:46:03.474 INFO [stderr]     |
Nov 29 21:46:03.474 INFO [stderr] 244 |                 writeln!(buf, "  div {}", REGS64[*src as usize]);
Nov 29 21:46:03.474 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.474 INFO [stderr]     |
Nov 29 21:46:03.474 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.474 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)
Nov 29 21:46:03.474 INFO [stderr] 
Nov 29 21:46:03.474 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.474 INFO [stderr]    --> src/codegen.rs:245:17
Nov 29 21:46:03.474 INFO [stderr]     |
Nov 29 21:46:03.474 INFO [stderr] 245 |                 writeln!(buf, "  mov {}, rax", REGS64[*dst as usize]);
Nov 29 21:46:03.474 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.474 INFO [stderr]     |
Nov 29 21:46:03.474 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.474 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)
Nov 29 21:46:03.474 INFO [stderr] 
Nov 29 21:46:03.474 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.474 INFO [stderr]    --> src/codegen.rs:249:17
Nov 29 21:46:03.474 INFO [stderr]     |
Nov 29 21:46:03.474 INFO [stderr] 249 |                 writeln!(buf, "  mov rax, {}", REGS64[*dst as usize]);
Nov 29 21:46:03.475 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.475 INFO [stderr]     |
Nov 29 21:46:03.475 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.475 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)
Nov 29 21:46:03.475 INFO [stderr] 
Nov 29 21:46:03.475 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.475 INFO [stderr]    --> src/codegen.rs:250:17
Nov 29 21:46:03.475 INFO [stderr]     |
Nov 29 21:46:03.475 INFO [stderr] 250 |                 writeln!(buf, "  cqo");
Nov 29 21:46:03.475 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.475 INFO [stderr]     |
Nov 29 21:46:03.475 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.475 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)
Nov 29 21:46:03.475 INFO [stderr] 
Nov 29 21:46:03.475 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.475 INFO [stderr]    --> src/codegen.rs:251:17
Nov 29 21:46:03.475 INFO [stderr]     |
Nov 29 21:46:03.475 INFO [stderr] 251 |                 writeln!(buf, "  div {}", REGS64[*src as usize]);
Nov 29 21:46:03.475 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.475 INFO [stderr]     |
Nov 29 21:46:03.475 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.475 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)
Nov 29 21:46:03.475 INFO [stderr] 
Nov 29 21:46:03.475 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.475 INFO [stderr]    --> src/codegen.rs:252:17
Nov 29 21:46:03.475 INFO [stderr]     |
Nov 29 21:46:03.475 INFO [stderr] 252 |                 writeln!(buf, "  mov {}, rdx", REGS64[*dst as usize]);
Nov 29 21:46:03.475 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.475 INFO [stderr]     |
Nov 29 21:46:03.475 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.475 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)
Nov 29 21:46:03.475 INFO [stderr] 
Nov 29 21:46:03.475 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.475 INFO [stderr]    --> src/codegen.rs:256:17
Nov 29 21:46:03.475 INFO [stderr]     |
Nov 29 21:46:03.475 INFO [stderr] 256 |                 writeln!(buf, "  mov cl, {}", REGS8[*src as usize]);
Nov 29 21:46:03.475 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.476 INFO [stderr]     |
Nov 29 21:46:03.476 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.476 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)
Nov 29 21:46:03.476 INFO [stderr] 
Nov 29 21:46:03.476 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.476 INFO [stderr]    --> src/codegen.rs:257:17
Nov 29 21:46:03.476 INFO [stderr]     |
Nov 29 21:46:03.476 INFO [stderr] 257 |                 writeln!(buf, "  shl {}, cl", REGS64[*dst as usize]);
Nov 29 21:46:03.476 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.476 INFO [stderr]     |
Nov 29 21:46:03.476 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.476 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)
Nov 29 21:46:03.476 INFO [stderr] 
Nov 29 21:46:03.476 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.476 INFO [stderr]    --> src/codegen.rs:261:17
Nov 29 21:46:03.476 INFO [stderr]     |
Nov 29 21:46:03.476 INFO [stderr] 261 |                 writeln!(buf, "  mov cl, {}", REGS8[*src as usize]);
Nov 29 21:46:03.476 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.476 INFO [stderr]     |
Nov 29 21:46:03.476 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.476 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)
Nov 29 21:46:03.476 INFO [stderr] 
Nov 29 21:46:03.476 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.476 INFO [stderr]    --> src/codegen.rs:262:17
Nov 29 21:46:03.476 INFO [stderr]     |
Nov 29 21:46:03.476 INFO [stderr] 262 |                 writeln!(buf, "  shr {}, cl", REGS64[*dst as usize]);
Nov 29 21:46:03.476 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.476 INFO [stderr]     |
Nov 29 21:46:03.476 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.477 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)
Nov 29 21:46:03.477 INFO [stderr] 
Nov 29 21:46:03.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.477 INFO [stderr]    --> src/codegen.rs:266:17
Nov 29 21:46:03.477 INFO [stderr]     |
Nov 29 21:46:03.477 INFO [stderr] 266 |                 writeln!(buf, "  neg {}", REGS64[*src as usize]);
Nov 29 21:46:03.477 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.477 INFO [stderr]     |
Nov 29 21:46:03.477 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.477 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)
Nov 29 21:46:03.477 INFO [stderr] 
Nov 29 21:46:03.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.477 INFO [stderr]    --> src/codegen.rs:273:21
Nov 29 21:46:03.477 INFO [stderr]     |
Nov 29 21:46:03.477 INFO [stderr] 273 |                     writeln!(buf, "  mov {}, {}", caller64[i], REGS64[*arg as usize]);
Nov 29 21:46:03.477 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.477 INFO [stderr]     |
Nov 29 21:46:03.477 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.477 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)
Nov 29 21:46:03.477 INFO [stderr] 
Nov 29 21:46:03.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.477 INFO [stderr]    --> src/codegen.rs:276:17
Nov 29 21:46:03.477 INFO [stderr]     |
Nov 29 21:46:03.477 INFO [stderr] 276 |                 writeln!(buf, "  push r10");
Nov 29 21:46:03.477 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.477 INFO [stderr]     |
Nov 29 21:46:03.477 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.477 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)
Nov 29 21:46:03.477 INFO [stderr] 
Nov 29 21:46:03.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.477 INFO [stderr]    --> src/codegen.rs:277:17
Nov 29 21:46:03.477 INFO [stderr]     |
Nov 29 21:46:03.477 INFO [stderr] 277 |                 writeln!(buf, "  push r11");
Nov 29 21:46:03.477 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.477 INFO [stderr]     |
Nov 29 21:46:03.477 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.478 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)
Nov 29 21:46:03.478 INFO [stderr] 
Nov 29 21:46:03.478 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.478 INFO [stderr]    --> src/codegen.rs:278:17
Nov 29 21:46:03.478 INFO [stderr]     |
Nov 29 21:46:03.478 INFO [stderr] 278 |                 writeln!(buf, "  mov rax, 0");
Nov 29 21:46:03.478 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.478 INFO [stderr]     |
Nov 29 21:46:03.478 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.478 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)
Nov 29 21:46:03.478 INFO [stderr] 
Nov 29 21:46:03.478 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.478 INFO [stderr]    --> src/codegen.rs:279:17
Nov 29 21:46:03.478 INFO [stderr]     |
Nov 29 21:46:03.478 INFO [stderr] 279 |                 writeln!(buf, "  call {}", name);
Nov 29 21:46:03.478 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.478 INFO [stderr]     |
Nov 29 21:46:03.478 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.478 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)
Nov 29 21:46:03.478 INFO [stderr] 
Nov 29 21:46:03.478 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.478 INFO [stderr]    --> src/codegen.rs:280:17
Nov 29 21:46:03.478 INFO [stderr]     |
Nov 29 21:46:03.478 INFO [stderr] 280 |                 writeln!(buf, "  pop r11");
Nov 29 21:46:03.478 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.478 INFO [stderr]     |
Nov 29 21:46:03.478 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.478 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)
Nov 29 21:46:03.478 INFO [stderr] 
Nov 29 21:46:03.478 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.478 INFO [stderr]    --> src/codegen.rs:281:17
Nov 29 21:46:03.478 INFO [stderr]     |
Nov 29 21:46:03.478 INFO [stderr] 281 |                 writeln!(buf, "  pop r10");
Nov 29 21:46:03.478 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.478 INFO [stderr]     |
Nov 29 21:46:03.478 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.478 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)
Nov 29 21:46:03.478 INFO [stderr] 
Nov 29 21:46:03.478 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.479 INFO [stderr]    --> src/codegen.rs:283:17
Nov 29 21:46:03.479 INFO [stderr]     |
Nov 29 21:46:03.479 INFO [stderr] 283 |                 writeln!(buf, "  mov {}, rax", REGS64[*reg as usize]);
Nov 29 21:46:03.479 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.479 INFO [stderr]     |
Nov 29 21:46:03.479 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.479 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)
Nov 29 21:46:03.479 INFO [stderr] 
Nov 29 21:46:03.479 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.479 INFO [stderr]    --> src/codegen.rs:292:5
Nov 29 21:46:03.479 INFO [stderr]     |
Nov 29 21:46:03.479 INFO [stderr] 292 |     writeln!(buf, "{}:", ret);
Nov 29 21:46:03.479 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.479 INFO [stderr]     |
Nov 29 21:46:03.479 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.479 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)
Nov 29 21:46:03.479 INFO [stderr] 
Nov 29 21:46:03.479 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.479 INFO [stderr]    --> src/codegen.rs:295:13
Nov 29 21:46:03.479 INFO [stderr]     |
Nov 29 21:46:03.479 INFO [stderr] 295 |             writeln!(buf, "  pop {}", r);
Nov 29 21:46:03.479 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.479 INFO [stderr]     |
Nov 29 21:46:03.479 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.479 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)
Nov 29 21:46:03.479 INFO [stderr] 
Nov 29 21:46:03.479 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.479 INFO [stderr]    --> src/codegen.rs:298:5
Nov 29 21:46:03.479 INFO [stderr]     |
Nov 29 21:46:03.479 INFO [stderr] 298 |     writeln!(buf, "  mov rsp, rbp");
Nov 29 21:46:03.479 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.479 INFO [stderr]     |
Nov 29 21:46:03.479 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.479 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)
Nov 29 21:46:03.479 INFO [stderr] 
Nov 29 21:46:03.479 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.479 INFO [stderr]    --> src/codegen.rs:299:5
Nov 29 21:46:03.479 INFO [stderr]     |
Nov 29 21:46:03.479 INFO [stderr] 299 |     writeln!(buf, "  pop rbp");
Nov 29 21:46:03.479 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.480 INFO [stderr]     |
Nov 29 21:46:03.480 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.480 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)
Nov 29 21:46:03.480 INFO [stderr] 
Nov 29 21:46:03.480 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.480 INFO [stderr]    --> src/codegen.rs:300:5
Nov 29 21:46:03.480 INFO [stderr]     |
Nov 29 21:46:03.480 INFO [stderr] 300 |     writeln!(buf, "  ret");
Nov 29 21:46:03.480 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:46:03.480 INFO [stderr]     |
Nov 29 21:46:03.480 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.480 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)
Nov 29 21:46:03.480 INFO [stderr] 
Nov 29 21:46:03.480 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.480 INFO [stderr]    --> src/codegen.rs:304:5
Nov 29 21:46:03.480 INFO [stderr]     |
Nov 29 21:46:03.480 INFO [stderr] 304 | /     writeln!(
Nov 29 21:46:03.480 INFO [stderr] 305 | |         buf,
Nov 29 21:46:03.480 INFO [stderr] 306 | |         "  cmp {}, {}",
Nov 29 21:46:03.480 INFO [stderr] 307 | |         REGS64[dst as usize], REGS64[src as usize]
Nov 29 21:46:03.480 INFO [stderr] 308 | |     );
Nov 29 21:46:03.480 INFO [stderr]     | |______^
Nov 29 21:46:03.480 INFO [stderr]     |
Nov 29 21:46:03.480 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.480 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)
Nov 29 21:46:03.480 INFO [stderr] 
Nov 29 21:46:03.480 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:46:03.480 INFO [stderr]    --> src/codegen.rs:315:5
Nov 29 21:46:03.480 INFO [stderr]     |
Nov 29 21:46:03.480 INFO [stderr] 315 | /     writeln!(
Nov 29 21:46:03.480 INFO [stderr] 316 | |         buf,
Nov 29 21:46:03.480 INFO [stderr] 317 | |         "  movzx {}, {}",
Nov 29 21:46:03.480 INFO [stderr] 318 | |         REGS64[dst as usize], REGS8[dst as usize]
Nov 29 21:46:03.481 INFO [stderr] 319 | |     );
Nov 29 21:46:03.481 INFO [stderr]     | |______^
Nov 29 21:46:03.481 INFO [stderr]     |
Nov 29 21:46:03.481 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:46:03.481 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)
Nov 29 21:46:03.481 INFO [stderr] 
Nov 29 21:46:04.196 INFO [stderr] warning: unused `#[macro_use]` import
Nov 29 21:46:04.197 INFO [stderr]  --> src/bin/rcc.rs:4:1
Nov 29 21:46:04.197 INFO [stderr]   |
Nov 29 21:46:04.197 INFO [stderr] 4 | #[macro_use]
Nov 29 21:46:04.197 INFO [stderr]   | ^^^^^^^^^^^^
Nov 29 21:46:04.197 INFO [stderr]   |
Nov 29 21:46:04.197 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 21:46:04.198 INFO [stderr] 
Nov 29 21:46:04.215 INFO [stderr] warning: unused `#[macro_use]` import
Nov 29 21:46:04.215 INFO [stderr]  --> src/bin/dump.rs:5:1
Nov 29 21:46:04.215 INFO [stderr]   |
Nov 29 21:46:04.215 INFO [stderr] 5 | #[macro_use]
Nov 29 21:46:04.215 INFO [stderr]   | ^^^^^^^^^^^^
Nov 29 21:46:04.216 INFO [stderr]   |
Nov 29 21:46:04.216 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 21:46:04.216 INFO [stderr] 
Nov 29 21:46:04.412 INFO [stderr] warning: unused `#[macro_use]` import
Nov 29 21:46:04.412 INFO [stderr]  --> src/bin/rcc.rs:4:1
Nov 29 21:46:04.412 INFO [stderr]   |
Nov 29 21:46:04.412 INFO [stderr] 4 | #[macro_use]
Nov 29 21:46:04.412 INFO [stderr]   | ^^^^^^^^^^^^
Nov 29 21:46:04.413 INFO [stderr]   |
Nov 29 21:46:04.413 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 21:46:04.413 INFO [stderr] 
Nov 29 21:46:04.551 INFO [stderr] warning: unused `#[macro_use]` import
Nov 29 21:46:04.551 INFO [stderr]  --> src/bin/dump.rs:5:1
Nov 29 21:46:04.552 INFO [stderr]   |
Nov 29 21:46:04.552 INFO [stderr] 5 | #[macro_use]
Nov 29 21:46:04.552 INFO [stderr]   | ^^^^^^^^^^^^
Nov 29 21:46:04.552 INFO [stderr]   |
Nov 29 21:46:04.553 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 21:46:04.553 INFO [stderr] 
Nov 29 21:46:04.845 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
Nov 29 21:46:04.848 INFO [stderr] su: No module specific data is present
Nov 29 21:46:06.558 INFO running `"docker" "inspect" "4737b1d8a580009a7cc5c906a74abec5d9ed0b35651d0d5c05f51c762f024419"`
Nov 29 21:46:06.856 INFO running `"docker" "rm" "-f" "4737b1d8a580009a7cc5c906a74abec5d9ed0b35651d0d5c05f51c762f024419"`
Nov 29 21:46:07.188 INFO [stdout] 4737b1d8a580009a7cc5c906a74abec5d9ed0b35651d0d5c05f51c762f024419