[INFO] fetching crate msp430 0.4.1...
[INFO] testing msp430-0.4.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate msp430 0.4.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate msp430 0.4.1
[INFO] finished tweaking crates.io crate msp430 0.4.1
[INFO] tweaked toml for crates.io crate msp430 0.4.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate msp430 0.4.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to highest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 73423d360f80781931e9c8be5522b53663befe1faebbf3957784846d1be28954
[INFO] running `Command { std: "docker" "start" "73423d360f80781931e9c8be5522b53663befe1faebbf3957784846d1be28954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73423d360f80781931e9c8be5522b53663befe1faebbf3957784846d1be28954", 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" "73423d360f80781931e9c8be5522b53663befe1faebbf3957784846d1be28954" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73423d360f80781931e9c8be5522b53663befe1faebbf3957784846d1be28954", 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" "73423d360f80781931e9c8be5522b53663befe1faebbf3957784846d1be28954" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling msp430 v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(asm_experimental_arch)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::asm`
[INFO] [stdout]  --> src/interrupt.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::asm;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]   --> src/register/pc.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |         asm!("mov R0, {0}", out(reg) r, options(nomem, nostack, preserves_flags));
[INFO] [stdout]    |                       ^^^            - for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{0:x}` to have the register formatted as `ax` (for 2-byte values)
[INFO] [stdout]    = help: or use `{0:r}` to keep the default formatting of `rax` (for 8-byte 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/register/sp.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |         asm!("mov R1, {0}", out(reg) r, options(nomem, nostack, preserves_flags));
[INFO] [stdout]    |                       ^^^            - for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{0:x}` to have the register formatted as `ax` (for 2-byte values)
[INFO] [stdout]    = help: or use `{0:r}` to keep the default formatting of `rax` (for 8-byte values)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]   --> src/register/sr.rs:83:23
[INFO] [stdout]    |
[INFO] [stdout] 83 |         asm!("mov R2, {0}", out(reg) r, options(nomem, nostack, preserves_flags));
[INFO] [stdout]    |                       ^^^            - for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{0:x}` to have the register formatted as `ax` (for 2-byte values)
[INFO] [stdout]    = help: or use `{0:r}` to keep the default formatting of `rax` (for 8-byte values)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `msp430` (lib) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "73423d360f80781931e9c8be5522b53663befe1faebbf3957784846d1be28954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73423d360f80781931e9c8be5522b53663befe1faebbf3957784846d1be28954", kill_on_drop: false }`
[INFO] [stdout] 73423d360f80781931e9c8be5522b53663befe1faebbf3957784846d1be28954
