[INFO] fetching crate cortex-m-stack 0.2.1... [INFO] testing cortex-m-stack-0.2.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate cortex-m-stack 0.2.1 into /workspace/builds/worker-0-tc2/source [INFO] removed /workspace/builds/worker-0-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cortex-m-stack 0.2.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 98c0efef747cd91bd55ee8e77d1a0f8f6d51369eca1dad172020260360c259b8 [INFO] running `Command { std: "docker" "start" "-a" "98c0efef747cd91bd55ee8e77d1a0f8f6d51369eca1dad172020260360c259b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "98c0efef747cd91bd55ee8e77d1a0f8f6d51369eca1dad172020260360c259b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98c0efef747cd91bd55ee8e77d1a0f8f6d51369eca1dad172020260360c259b8", kill_on_drop: false }` [INFO] [stdout] 98c0efef747cd91bd55ee8e77d1a0f8f6d51369eca1dad172020260360c259b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6310c62bc6ce931b937fb7be474c4ad0ba3aacad253a75758e8d317ea10e0f0d [INFO] running `Command { std: "docker" "start" "-a" "6310c62bc6ce931b937fb7be474c4ad0ba3aacad253a75758e8d317ea10e0f0d", 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 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 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 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 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" "6310c62bc6ce931b937fb7be474c4ad0ba3aacad253a75758e8d317ea10e0f0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6310c62bc6ce931b937fb7be474c4ad0ba3aacad253a75758e8d317ea10e0f0d", kill_on_drop: false }` [INFO] [stdout] 6310c62bc6ce931b937fb7be474c4ad0ba3aacad253a75758e8d317ea10e0f0d