[INFO] fetching crate morningstar 0.4.1... [INFO] testing morningstar-0.4.1 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate morningstar 0.4.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate morningstar 0.4.1 [INFO] finished tweaking crates.io crate morningstar 0.4.1 [INFO] tweaked toml for crates.io crate morningstar 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate morningstar 0.4.1 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 100 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.10.0) [INFO] [stderr] Adding core-foundation v0.10.0 (available: v0.10.1) [INFO] [stderr] Adding half v1.8.3 (available: v2.7.1) [INFO] [stderr] Adding quote v1.0.40 (available: v1.0.41) [INFO] [stderr] Adding tokio-modbus v0.5.4 (available: v0.17.0) [INFO] [stderr] Adding uom v0.32.0 (available: v0.37.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 395c6eaa70670b64e199b2af28d165edde94556a561c2bad549df786f42c2bc8 [INFO] running `Command { std: "docker" "start" "-a" "395c6eaa70670b64e199b2af28d165edde94556a561c2bad549df786f42c2bc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "395c6eaa70670b64e199b2af28d165edde94556a561c2bad549df786f42c2bc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "395c6eaa70670b64e199b2af28d165edde94556a561c2bad549df786f42c2bc8", kill_on_drop: false }` [INFO] [stdout] 395c6eaa70670b64e199b2af28d165edde94556a561c2bad549df786f42c2bc8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca3b9c0115d6d92817cb3067492fca7c1e31f6daaf4bf94e58f7a9e6860858bd [INFO] running `Command { std: "docker" "start" "-a" "ca3b9c0115d6d92817cb3067492fca7c1e31f6daaf4bf94e58f7a9e6860858bd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling unicode-ident v1.0.22 [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Compiling thiserror v2.0.17 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling bitflags v2.10.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling typenum v1.19.0 [INFO] [stderr] Compiling anyhow v1.0.100 [INFO] [stderr] Compiling iana-time-zone v0.1.64 [INFO] [stderr] Compiling half v1.8.3 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling uom v0.32.0 [INFO] [stderr] Compiling chrono v0.4.42 [INFO] [stderr] Compiling mio v1.1.0 [INFO] [stderr] Compiling nix v0.26.4 [INFO] [stderr] Compiling socket2 v0.6.1 [INFO] [stderr] Compiling tokio v1.48.0 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling tokio-util v0.7.17 [INFO] [stderr] Compiling unescaper v0.1.6 [INFO] [stderr] Compiling serialport v4.8.1 [INFO] [stderr] Compiling mio-serial v5.0.6 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling tokio-serial v5.4.5 [INFO] [stderr] Compiling tokio-modbus v0.5.4 [INFO] [stderr] Compiling morningstar v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/prostar_mppt.rs:66:14 [INFO] [stdout] | [INFO] [stdout] 66 | unsafe { transmute::(c.get::() as i16) } [INFO] [stdout] | ---------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `i16::cast_unsigned` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/prostar_mppt.rs:73:18 [INFO] [stdout] | [INFO] [stdout] 73 | unsafe { transmute::(u) } as f32 [INFO] [stdout] | ---------------------^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u16::cast_signed` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.58s [INFO] running `Command { std: "docker" "inspect" "ca3b9c0115d6d92817cb3067492fca7c1e31f6daaf4bf94e58f7a9e6860858bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca3b9c0115d6d92817cb3067492fca7c1e31f6daaf4bf94e58f7a9e6860858bd", kill_on_drop: false }` [INFO] [stdout] ca3b9c0115d6d92817cb3067492fca7c1e31f6daaf4bf94e58f7a9e6860858bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 09dce417426fac7102568c095d6b158a20e7038994f52fbc9c24d4ba2d9a0bf4 [INFO] running `Command { std: "docker" "start" "-a" "09dce417426fac7102568c095d6b158a20e7038994f52fbc9c24d4ba2d9a0bf4", kill_on_drop: false }` [INFO] [stderr] Compiling morningstar v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/prostar_mppt.rs:66:14 [INFO] [stdout] | [INFO] [stdout] 66 | unsafe { transmute::(c.get::() as i16) } [INFO] [stdout] | ---------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `i16::cast_unsigned` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/prostar_mppt.rs:73:18 [INFO] [stdout] | [INFO] [stdout] 73 | unsafe { transmute::(u) } as f32 [INFO] [stdout] | ---------------------^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u16::cast_signed` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/prostar_mppt.rs:66:14 [INFO] [stdout] | [INFO] [stdout] 66 | unsafe { transmute::(c.get::() as i16) } [INFO] [stdout] | ---------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `i16::cast_unsigned` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/prostar_mppt.rs:73:18 [INFO] [stdout] | [INFO] [stdout] 73 | unsafe { transmute::(u) } as f32 [INFO] [stdout] | ---------------------^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u16::cast_signed` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.20s [INFO] running `Command { std: "docker" "inspect" "09dce417426fac7102568c095d6b158a20e7038994f52fbc9c24d4ba2d9a0bf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09dce417426fac7102568c095d6b158a20e7038994f52fbc9c24d4ba2d9a0bf4", kill_on_drop: false }` [INFO] [stdout] 09dce417426fac7102568c095d6b158a20e7038994f52fbc9c24d4ba2d9a0bf4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 78db62011d47f43496057a0da53b6d42e24839034e6a2546995b479024a98dd3 [INFO] running `Command { std: "docker" "start" "-a" "78db62011d47f43496057a0da53b6d42e24839034e6a2546995b479024a98dd3", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary transmute [INFO] [stderr] --> src/prostar_mppt.rs:66:14 [INFO] [stderr] | [INFO] [stderr] 66 | unsafe { transmute::(c.get::() as i16) } [INFO] [stderr] | ---------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: replace this with: `i16::cast_unsigned` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary transmute [INFO] [stderr] --> src/prostar_mppt.rs:73:18 [INFO] [stderr] | [INFO] [stderr] 73 | unsafe { transmute::(u) } as f32 [INFO] [stderr] | ---------------------^^^ [INFO] [stderr] | | [INFO] [stderr] | help: replace this with: `u16::cast_signed` [INFO] [stderr] [INFO] [stderr] warning: `morningstar` (lib) generated 2 warnings (run `cargo fix --lib -p morningstar` to apply 2 suggestions) [INFO] [stderr] warning: `morningstar` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/morningstar-fd1415496a183c2d) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests morningstar [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - prostar_mppt (line 14) ... FAILED [INFO] [stdout] test src/prostar_mppt.rs - prostar_mppt (line 6) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - prostar_mppt (line 14) stdout ---- [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/lib.rs:19:50 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_14_0() { [INFO] [stdout] | ---------------------------------- this is not `async` [INFO] [stdout] ... [INFO] [stdout] 8 | let con = ps::Connection::new("/dev/ttyUSB0", 1).await.expect("connection failed"); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/lib.rs:23:50 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_14_0() { [INFO] [stdout] | ---------------------------------- this is not `async` [INFO] [stdout] ... [INFO] [stdout] 12 | con.write_coil(ps::Coil::ChargeDisconnect, true).await.expect("failed to stop charging"); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/lib.rs:26:51 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_14_0() { [INFO] [stdout] | ---------------------------------- this is not `async` [INFO] [stdout] ... [INFO] [stdout] 15 | con.write_coil(ps::Coil::ChargeDisconnect, false).await.expect("failed to start charging"); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0728`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/prostar_mppt.rs - prostar_mppt (line 6) stdout ---- [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/prostar_mppt.rs:11:50 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_prostar_mppt_rs_6_0() { [INFO] [stdout] | ------------------------------------------ this is not `async` [INFO] [stdout] ... [INFO] [stdout] 8 | let con = ps::Connection::new("/dev/ttyUSB0", 1).await.expect("connection failed"); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/prostar_mppt.rs:12:28 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_prostar_mppt_rs_6_0() { [INFO] [stdout] | ------------------------------------------ this is not `async` [INFO] [stdout] ... [INFO] [stdout] 9 | println!("{}", con.stats().await.expect("failed to get stats")); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/prostar_mppt.rs:15:50 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_prostar_mppt_rs_6_0() { [INFO] [stdout] | ------------------------------------------ this is not `async` [INFO] [stdout] ... [INFO] [stdout] 12 | con.write_coil(ps::Coil::ChargeDisconnect, true).await.expect("failed to stop charging"); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/prostar_mppt.rs:18:51 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_prostar_mppt_rs_6_0() { [INFO] [stdout] | ------------------------------------------ this is not `async` [INFO] [stdout] ... [INFO] [stdout] 15 | con.write_coil(ps::Coil::ChargeDisconnect, false).await.expect("failed to start charging"); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0728`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - prostar_mppt (line 14) [INFO] [stdout] src/prostar_mppt.rs - prostar_mppt (line 6) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "78db62011d47f43496057a0da53b6d42e24839034e6a2546995b479024a98dd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78db62011d47f43496057a0da53b6d42e24839034e6a2546995b479024a98dd3", kill_on_drop: false }` [INFO] [stdout] 78db62011d47f43496057a0da53b6d42e24839034e6a2546995b479024a98dd3