[INFO] cloning repository https://github.com/Code-Allergy/rust-kern
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Code-Allergy/rust-kern" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCode-Allergy%2Frust-kern", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCode-Allergy%2Frust-kern'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1975b5fef99a2e936ee23acb68ecd246d62f83ec
[INFO] checking Code-Allergy/rust-kern against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCode-Allergy%2Frust-kern" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Code-Allergy/rust-kern on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Code-Allergy/rust-kern
[INFO] finished tweaking git repo https://github.com/Code-Allergy/rust-kern
[INFO] tweaked toml for git repo https://github.com/Code-Allergy/rust-kern written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Code-Allergy/rust-kern 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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bdfa46ae2326b9b4747a7e38703277d412a74e2d27dcc1385c59ac00e8714c2
[INFO] running `Command { std: "docker" "start" "-a" "3bdfa46ae2326b9b4747a7e38703277d412a74e2d27dcc1385c59ac00e8714c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bdfa46ae2326b9b4747a7e38703277d412a74e2d27dcc1385c59ac00e8714c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bdfa46ae2326b9b4747a7e38703277d412a74e2d27dcc1385c59ac00e8714c2", kill_on_drop: false }`
[INFO] [stdout] 3bdfa46ae2326b9b4747a7e38703277d412a74e2d27dcc1385c59ac00e8714c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35665c9d724f22fea868a15adcbbd0664429de173d2c6f3e7c1b9dd0a45b4bea
[INFO] running `Command { std: "docker" "start" "-a" "35665c9d724f22fea868a15adcbbd0664429de173d2c6f3e7c1b9dd0a45b4bea", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling prettyplease v0.2.30
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bindgen v0.71.1
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]     Checking hal v0.1.0 (/opt/rustwide/workdir/hal)
[INFO] [stderr]    Compiling kernel v0.1.0 (/opt/rustwide/workdir/kernel)
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]   --> hal/src/asm.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |             "mrc p15, 0, {dacr}, c3, c0, 0",
[INFO] [stdout]    |                          ^^^^^^
[INFO] [stdout] 33 |             dacr = out(reg) dacr,
[INFO] [stdout]    |                             ---- for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{0:e}` to have the register formatted as `eax` (for 32-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]   --> hal/src/asm.rs:63:26
[INFO] [stdout]    |
[INFO] [stdout] 63 |             "mcr p15, 0, {dacr}, c3, c0, 0",
[INFO] [stdout]    |                          ^^^^^^
[INFO] [stdout] 64 |             dacr = in(reg) dacr,
[INFO] [stdout]    |                            ---- for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:192:26
[INFO] [stdout]     |
[INFO] [stdout] 192 |             "mrc p15, 0, {ttbr0}, c2, c0, 0",
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 193 |             ttbr0 = out(reg) ttbr0,
[INFO] [stdout]     |                              ----- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:223:26
[INFO] [stdout]     |
[INFO] [stdout] 223 |             "mcr p15, 0, {ttbr0}, c2, c0, 0",
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 224 |             ttbr0 = in(reg) ttbr0,
[INFO] [stdout]     |                             ----- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:253:26
[INFO] [stdout]     |
[INFO] [stdout] 253 |             "mrc p15, 0, {ttbr1}, c2, c0, 1",
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 254 |             ttbr1 = out(reg) ttbr1,
[INFO] [stdout]     |                              ----- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:284:26
[INFO] [stdout]     |
[INFO] [stdout] 284 |             "mcr p15, 0, {ttbr1}, c2, c0, 1",
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 285 |             ttbr1 = in(reg) ttbr1,
[INFO] [stdout]     |                             ----- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:316:26
[INFO] [stdout]     |
[INFO] [stdout] 316 |             "mcr p15, 0, {0}, c8, c7, 0",
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 317 |             in(reg) 0,
[INFO] [stdout]     |                     - for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:351:26
[INFO] [stdout]     |
[INFO] [stdout] 351 |             "mcr p15, 0, {0}, c8, c7, 1",
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 352 |             in(reg) mva,
[INFO] [stdout]     |                     --- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:389:26
[INFO] [stdout]     |
[INFO] [stdout] 389 |             "mcr p15, 0, {0}, c8, c7, 2",
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 390 |             in(reg) asid,
[INFO] [stdout]     |                     ---- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:421:26
[INFO] [stdout]     |
[INFO] [stdout] 421 |             "mcr p15, 0, {0}, c7, c5, 0",
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 422 |             in(reg) 0,
[INFO] [stdout]     |                     - for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:463:26
[INFO] [stdout]     |
[INFO] [stdout] 463 |             "mrc p15, 0, {control}, c1, c0, 0",
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout] 464 |             control = out(reg) control,
[INFO] [stdout]     |                                ------- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:469:26
[INFO] [stdout]     |
[INFO] [stdout] 469 |             "mcr p15, 0, {control}, c1, c0, 0",
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout] 470 |             control = in(reg) control,
[INFO] [stdout]     |                               ------- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:510:26
[INFO] [stdout]     |
[INFO] [stdout] 510 |             "mrc p15, 0, {control}, c1, c0, 0",
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout] 511 |             control = out(reg) control,
[INFO] [stdout]     |                                ------- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:516:26
[INFO] [stdout]     |
[INFO] [stdout] 516 |             "mcr p15, 0, {control}, c1, c0, 0",
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout] 517 |             control = in(reg) control,
[INFO] [stdout]     |                               ------- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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: type `u8` cannot be used with this register class
[INFO] [stdout]    --> hal/src/asm.rs:699:21
[INFO] [stdout]     |
[INFO] [stdout] 699 |             in(reg) num,
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: register class `reg` supports these types: i16, i32, i64, f16, f32, f64
[INFO] [stdout]     = help: consider using the `reg_byte` register class instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hal` (lib) due to 1 previous error; 14 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]   --> hal/src/asm.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |             "mrc p15, 0, {dacr}, c3, c0, 0",
[INFO] [stdout]    |                          ^^^^^^
[INFO] [stdout] 33 |             dacr = out(reg) dacr,
[INFO] [stdout]    |                             ---- for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{0:e}` to have the register formatted as `eax` (for 32-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]   --> hal/src/asm.rs:63:26
[INFO] [stdout]    |
[INFO] [stdout] 63 |             "mcr p15, 0, {dacr}, c3, c0, 0",
[INFO] [stdout]    |                          ^^^^^^
[INFO] [stdout] 64 |             dacr = in(reg) dacr,
[INFO] [stdout]    |                            ---- for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:192:26
[INFO] [stdout]     |
[INFO] [stdout] 192 |             "mrc p15, 0, {ttbr0}, c2, c0, 0",
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 193 |             ttbr0 = out(reg) ttbr0,
[INFO] [stdout]     |                              ----- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:223:26
[INFO] [stdout]     |
[INFO] [stdout] 223 |             "mcr p15, 0, {ttbr0}, c2, c0, 0",
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 224 |             ttbr0 = in(reg) ttbr0,
[INFO] [stdout]     |                             ----- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:253:26
[INFO] [stdout]     |
[INFO] [stdout] 253 |             "mrc p15, 0, {ttbr1}, c2, c0, 1",
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 254 |             ttbr1 = out(reg) ttbr1,
[INFO] [stdout]     |                              ----- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:284:26
[INFO] [stdout]     |
[INFO] [stdout] 284 |             "mcr p15, 0, {ttbr1}, c2, c0, 1",
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 285 |             ttbr1 = in(reg) ttbr1,
[INFO] [stdout]     |                             ----- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:316:26
[INFO] [stdout]     |
[INFO] [stdout] 316 |             "mcr p15, 0, {0}, c8, c7, 0",
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 317 |             in(reg) 0,
[INFO] [stdout]     |                     - for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:351:26
[INFO] [stdout]     |
[INFO] [stdout] 351 |             "mcr p15, 0, {0}, c8, c7, 1",
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 352 |             in(reg) mva,
[INFO] [stdout]     |                     --- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:389:26
[INFO] [stdout]     |
[INFO] [stdout] 389 |             "mcr p15, 0, {0}, c8, c7, 2",
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 390 |             in(reg) asid,
[INFO] [stdout]     |                     ---- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:421:26
[INFO] [stdout]     |
[INFO] [stdout] 421 |             "mcr p15, 0, {0}, c7, c5, 0",
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 422 |             in(reg) 0,
[INFO] [stdout]     |                     - for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:463:26
[INFO] [stdout]     |
[INFO] [stdout] 463 |             "mrc p15, 0, {control}, c1, c0, 0",
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout] 464 |             control = out(reg) control,
[INFO] [stdout]     |                                ------- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:469:26
[INFO] [stdout]     |
[INFO] [stdout] 469 |             "mcr p15, 0, {control}, c1, c0, 0",
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout] 470 |             control = in(reg) control,
[INFO] [stdout]     |                               ------- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:510:26
[INFO] [stdout]     |
[INFO] [stdout] 510 |             "mrc p15, 0, {control}, c1, c0, 0",
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout] 511 |             control = out(reg) control,
[INFO] [stdout]     |                                ------- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> hal/src/asm.rs:516:26
[INFO] [stdout]     |
[INFO] [stdout] 516 |             "mcr p15, 0, {control}, c1, c0, 0",
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout] 517 |             control = in(reg) control,
[INFO] [stdout]     |                               ------- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-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: type `u8` cannot be used with this register class
[INFO] [stdout]    --> hal/src/asm.rs:699:21
[INFO] [stdout]     |
[INFO] [stdout] 699 |             in(reg) num,
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: register class `reg` supports these types: i16, i32, i64, f16, f32, f64
[INFO] [stdout]     = help: consider using the `reg_byte` register class instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hal` (lib) due to 1 previous error; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "35665c9d724f22fea868a15adcbbd0664429de173d2c6f3e7c1b9dd0a45b4bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35665c9d724f22fea868a15adcbbd0664429de173d2c6f3e7c1b9dd0a45b4bea", kill_on_drop: false }`
[INFO] [stdout] 35665c9d724f22fea868a15adcbbd0664429de173d2c6f3e7c1b9dd0a45b4bea
