[INFO] fetching crate cortex-m-stack 0.2.1...
[INFO] testing cortex-m-stack-0.2.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate cortex-m-stack 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate cortex-m-stack 0.2.1
[INFO] finished tweaking crates.io crate cortex-m-stack 0.2.1
[INFO] tweaked toml for crates.io crate cortex-m-stack 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cortex-m-stack 0.2.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cortex-m-stack 0.2.1 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c99782688fcf1e308b216ac1a5e5a681fcc16b2c48ac30c9a133e5a3fb18b73e
[INFO] running `Command { std: "docker" "start" "-a" "c99782688fcf1e308b216ac1a5e5a681fcc16b2c48ac30c9a133e5a3fb18b73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c99782688fcf1e308b216ac1a5e5a681fcc16b2c48ac30c9a133e5a3fb18b73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c99782688fcf1e308b216ac1a5e5a681fcc16b2c48ac30c9a133e5a3fb18b73e", kill_on_drop: false }`
[INFO] [stdout] c99782688fcf1e308b216ac1a5e5a681fcc16b2c48ac30c9a133e5a3fb18b73e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ed6ca341202134a5bdda71ccd7613ca9ecc8d10849d25066d5b03256299f404
[INFO] running `Command { std: "docker" "start" "-a" "8ed6ca341202134a5bdda71ccd7613ca9ecc8d10849d25066d5b03256299f404", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m-stack v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]   --> src/lib.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |             "stmia {ptr}!, {{{paint}}}",
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |             paint = in(reg) STACK_PAINT_VALUE,
[INFO] [stdout]    |                             ----------------- for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{1:e}` to have the register formatted as `eax` (for 32-bit values)
[INFO] [stdout]    = help: or use `{1: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/lib.rs:124:27
[INFO] [stdout]     |
[INFO] [stdout] 124 |             "cmp {value}, {paint}",
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |             paint = in(reg) STACK_PAINT_VALUE,
[INFO] [stdout]     |                             ----------------- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{2:e}` to have the register formatted as `eax` (for 32-bit values)
[INFO] [stdout]     = help: or use `{2:r}` to keep the default formatting of `rax` (for 64-bit values)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: avoid using labels containing only the digits `0` and `1` in inline assembly
[INFO] [stdout]   --> src/lib.rs:83:14
[INFO] [stdout]    |
[INFO] [stdout] 83 |             "0:",
[INFO] [stdout]    |              ^ use a different label that doesn't start with `0` or `1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: start numbering with `2` instead
[INFO] [stdout]    = note: an LLVM bug makes these labels ambiguous with a binary literal number on x86
[INFO] [stdout]    = note: see <https://github.com/llvm/llvm-project/issues/99547> for more information
[INFO] [stdout]    = note: `#[deny(binary_asm_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: avoid using labels containing only the digits `0` and `1` in inline assembly
[INFO] [stdout]   --> src/lib.rs:88:14
[INFO] [stdout]    |
[INFO] [stdout] 88 |             "1:",
[INFO] [stdout]    |              ^ use a different label that doesn't start with `0` or `1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: start numbering with `2` instead
[INFO] [stdout]    = note: an LLVM bug makes these labels ambiguous with a binary literal number on x86
[INFO] [stdout]    = note: see <https://github.com/llvm/llvm-project/issues/99547> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: avoid using labels containing only the digits `0` and `1` in inline assembly
[INFO] [stdout]    --> src/lib.rs:120:14
[INFO] [stdout]     |
[INFO] [stdout] 120 |             "0:",
[INFO] [stdout]     |              ^ use a different label that doesn't start with `0` or `1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: start numbering with `2` instead
[INFO] [stdout]     = note: an LLVM bug makes these labels ambiguous with a binary literal number on x86
[INFO] [stdout]     = note: see <https://github.com/llvm/llvm-project/issues/99547> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: avoid using labels containing only the digits `0` and `1` in inline assembly
[INFO] [stdout]    --> src/lib.rs:128:14
[INFO] [stdout]     |
[INFO] [stdout] 128 |             "1:",
[INFO] [stdout]     |              ^ use a different label that doesn't start with `0` or `1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: start numbering with `2` instead
[INFO] [stdout]     = note: an LLVM bug makes these labels ambiguous with a binary literal number on x86
[INFO] [stdout]     = note: see <https://github.com/llvm/llvm-project/issues/99547> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cortex-m-stack` (lib) due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8ed6ca341202134a5bdda71ccd7613ca9ecc8d10849d25066d5b03256299f404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed6ca341202134a5bdda71ccd7613ca9ecc8d10849d25066d5b03256299f404", kill_on_drop: false }`
[INFO] [stdout] 8ed6ca341202134a5bdda71ccd7613ca9ecc8d10849d25066d5b03256299f404
