[INFO] fetching crate rivet-arch-cortex-m 0.2.0...
[INFO] testing rivet-arch-cortex-m-0.2.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate rivet-arch-cortex-m 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate rivet-arch-cortex-m 0.2.0
[INFO] finished tweaking crates.io crate rivet-arch-cortex-m 0.2.0
[INFO] tweaked toml for crates.io crate rivet-arch-cortex-m 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rivet-arch-cortex-m 0.2.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rivet-arch-cortex-m 0.2.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rivet-macros v0.2.0
[INFO] [stderr]   Downloaded rivet-rtos v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 16f5cce9b240341dfafeee8e4a00a50a334b0c9f423435af2185bbd377d4f20b
[INFO] running `Command { std: "docker" "start" "16f5cce9b240341dfafeee8e4a00a50a334b0c9f423435af2185bbd377d4f20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16f5cce9b240341dfafeee8e4a00a50a334b0c9f423435af2185bbd377d4f20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "16f5cce9b240341dfafeee8e4a00a50a334b0c9f423435af2185bbd377d4f20b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16f5cce9b240341dfafeee8e4a00a50a334b0c9f423435af2185bbd377d4f20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "16f5cce9b240341dfafeee8e4a00a50a334b0c9f423435af2185bbd377d4f20b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling rivet-rtos v0.2.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling rivet-macros v0.2.0
[INFO] [stderr]    Compiling rivet-arch-cortex-m v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid register `r2`: unknown register
[INFO] [stdout]    --> src/lib.rs:359:13
[INFO] [stdout]     |
[INFO] [stdout] 359 |             out("r2") _,
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `r0`: unknown register
[INFO] [stdout]    --> src/lib.rs:592:13
[INFO] [stdout]     |
[INFO] [stdout] 592 |             inout("r0") ptr => sp,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `r1`: unknown register
[INFO] [stdout]    --> src/lib.rs:593:13
[INFO] [stdout]     |
[INFO] [stdout] 593 |             in("r1") stack_len,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `r2`: unknown register
[INFO] [stdout]    --> src/lib.rs:594:13
[INFO] [stdout]     |
[INFO] [stdout] 594 |             in("r2") entry_fn,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `r3`: unknown register
[INFO] [stdout]    --> src/lib.rs:595:13
[INFO] [stdout]     |
[INFO] [stdout] 595 |             in("r3") arg,
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> src/lib.rs:390:22
[INFO] [stdout]     |
[INFO] [stdout] 390 |             "mov r0, {arg}",
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 391 |             "bx {entry}",
[INFO] [stdout] 392 |             arg = in(reg) arg,
[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]    --> src/lib.rs:391:17
[INFO] [stdout]     |
[INFO] [stdout] 391 |             "bx {entry}",
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] 392 |             arg = in(reg) arg,
[INFO] [stdout] 393 |             entry = in(reg) entry_fn,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> src/lib.rs:583:18
[INFO] [stdout]     |
[INFO] [stdout] 583 |             "mrs {0}, primask",
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 584 |             out(reg) primask,
[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] [stderr] error: could not compile `rivet-arch-cortex-m` (lib) due to 5 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "16f5cce9b240341dfafeee8e4a00a50a334b0c9f423435af2185bbd377d4f20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16f5cce9b240341dfafeee8e4a00a50a334b0c9f423435af2185bbd377d4f20b", kill_on_drop: false }`
[INFO] [stdout] 16f5cce9b240341dfafeee8e4a00a50a334b0c9f423435af2185bbd377d4f20b
