[INFO] cloning repository https://github.com/alordash/CHOICE-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alordash/CHOICE-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falordash%2FCHOICE-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falordash%2FCHOICE-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17c593bf0f562f84b31de4cec5044e8d9086ad1b
[INFO] checking alordash/CHOICE-rs/17c593bf0f562f84b31de4cec5044e8d9086ad1b against master#0ee5907d597b02afadb5daa26a60fedb72f098d1 for pr-152856
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falordash%2FCHOICE-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/alordash/CHOICE-rs
[INFO] finished tweaking git repo https://github.com/alordash/CHOICE-rs
[INFO] tweaked toml for git repo https://github.com/alordash/CHOICE-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alordash/CHOICE-rs on toolchain 0ee5907d597b02afadb5daa26a60fedb72f098d1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0ee5907d597b02afadb5daa26a60fedb72f098d1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alordash/CHOICE-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0ee5907d597b02afadb5daa26a60fedb72f098d1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0ee5907d597b02afadb5daa26a60fedb72f098d1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c2ad559b1474b3b59f3017faa6b51df2a860780a437adf2cedf6befbc2a7fe5
[INFO] running `Command { std: "docker" "start" "-a" "2c2ad559b1474b3b59f3017faa6b51df2a860780a437adf2cedf6befbc2a7fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c2ad559b1474b3b59f3017faa6b51df2a860780a437adf2cedf6befbc2a7fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c2ad559b1474b3b59f3017faa6b51df2a860780a437adf2cedf6befbc2a7fe5", kill_on_drop: false }`
[INFO] [stdout] 2c2ad559b1474b3b59f3017faa6b51df2a860780a437adf2cedf6befbc2a7fe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0ee5907d597b02afadb5daa26a60fedb72f098d1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ccb8ae1892cb20e0d8c86fc2ae344778bbf48b33e68542ce4cb53526c813687
[INFO] running `Command { std: "docker" "start" "-a" "0ccb8ae1892cb20e0d8c86fc2ae344778bbf48b33e68542ce4cb53526c813687", kill_on_drop: false }`
[INFO] [stderr]    Compiling CHOICE-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> build.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fs::copy("com.ld", Path::new(&out_dir).join("com.ld"));
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let _ = fs::copy("com.ld", Path::new(&out_dir).join("com.ld"));
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> build.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fs::copy("startup.o", Path::new(&out_dir).join("startup.o"));
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let _ = fs::copy("startup.o", Path::new(&out_dir).join("startup.o"));
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot use register `bx`: rbx is used internally by LLVM and cannot be used as an operand for inline asm
[INFO] [stdout]   --> src/dos.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             in("bx") byte_ptr as u16,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot use register `ah`: high byte registers cannot be used as an operand on x86_64
[INFO] [stdout]   --> src/io.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |             in("ah") 2_u8,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/panic.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 22 | |     print_str("PANIC!!!$");
[INFO] [stdout] 23 | |     loop {}
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/0ee5907d597b02afadb5daa26a60fedb72f098d1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-957b1fe07cf96b13.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`CHOICE_rs`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]   --> src/io.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |         unsafe { asm!("push {}", in(reg) rem) };
[INFO] [stdout]    |                             ^^           --- for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{0:x}` to have the register formatted as `ax` (for 16-bit values)
[INFO] [stdout]    = help: or use `{0:r}` to keep the default formatting of `rax` (for 64-bit values)
[INFO] [stdout]    = note: `#[warn(asm_sub_register)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]   --> src/io.rs:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |         unsafe { asm!("pop {}", out(reg) digit) };
[INFO] [stdout]    |                            ^^            ----- for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{0:x}` to have the register formatted as `ax` (for 16-bit values)
[INFO] [stdout]    = help: or use `{0:r}` to keep the default formatting of `rax` (for 64-bit values)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot use register `bx`: rbx is used internally by LLVM and cannot be used as an operand for inline asm
[INFO] [stdout]   --> src/io.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             in("bx") 0x01,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot use register `ah`: high byte registers cannot be used as an operand on x86_64
[INFO] [stdout]   --> src/io.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |             in("ah") 0x40_u8,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot use register `ah`: high byte registers cannot be used as an operand on x86_64
[INFO] [stdout]    --> src/io.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             in("ah") 0x3f_u8,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot use register `bx`: rbx is used internally by LLVM and cannot be used as an operand for inline asm
[INFO] [stdout]    --> src/io.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             in("bx") 0x00,
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot use register `ah`: high byte registers cannot be used as an operand on x86_64
[INFO] [stdout]    --> src/io.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |             in("ah") 0x0B_u8,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot use register `ah`: high byte registers cannot be used as an operand on x86_64
[INFO] [stdout]    --> src/io.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             in("ah") 0x06_u8,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stdout] error: cannot use register `ah`: high byte registers cannot be used as an operand on x86_64
[INFO] [stdout]  --> src/panic.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         in("ah") 0x4C_u8,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot use register `ah`: high byte registers cannot be used as an operand on x86_64
[INFO] [stdout]   --> src/string/string.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 in("ah") 0x40_u8,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot use register `bx`: rbx is used internally by LLVM and cannot be used as an operand for inline asm
[INFO] [stdout]   --> src/string/string.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 in("bx") 0x01,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `CHOICE-rs` (bin "CHOICE-rs" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `CHOICE-rs` (bin "CHOICE-rs") due to 11 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0ccb8ae1892cb20e0d8c86fc2ae344778bbf48b33e68542ce4cb53526c813687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ccb8ae1892cb20e0d8c86fc2ae344778bbf48b33e68542ce4cb53526c813687", kill_on_drop: false }`
[INFO] [stdout] 0ccb8ae1892cb20e0d8c86fc2ae344778bbf48b33e68542ce4cb53526c813687