[INFO] fetching crate spidriver 0.1.0...
[INFO] testing spidriver-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate spidriver 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate spidriver 0.1.0
[INFO] finished tweaking crates.io crate spidriver 0.1.0
[INFO] tweaked toml for crates.io crate spidriver 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spidriver 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (available: v1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 923e5551edb86bb924cef8658c41e426d20b14607f04b34b7fcbf5bd654c2234
[INFO] running `Command { std: "docker" "start" "-a" "923e5551edb86bb924cef8658c41e426d20b14607f04b34b7fcbf5bd654c2234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "923e5551edb86bb924cef8658c41e426d20b14607f04b34b7fcbf5bd654c2234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "923e5551edb86bb924cef8658c41e426d20b14607f04b34b7fcbf5bd654c2234", kill_on_drop: false }`
[INFO] [stdout] 923e5551edb86bb924cef8658c41e426d20b14607f04b34b7fcbf5bd654c2234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea233e546c7cafb30e00df8f716ad79a175719795c90be21e447746db91a8bc8
[INFO] running `Command { std: "docker" "start" "-a" "ea233e546c7cafb30e00df8f716ad79a175719795c90be21e447746db91a8bc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling spidriver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "ea233e546c7cafb30e00df8f716ad79a175719795c90be21e447746db91a8bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea233e546c7cafb30e00df8f716ad79a175719795c90be21e447746db91a8bc8", kill_on_drop: false }`
[INFO] [stdout] ea233e546c7cafb30e00df8f716ad79a175719795c90be21e447746db91a8bc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71f7a0d5417db0c9b369263ccfa29f9e53c6025b1f41f4bcbdb5002342867175
[INFO] running `Command { std: "docker" "start" "-a" "71f7a0d5417db0c9b369263ccfa29f9e53c6025b1f41f4bcbdb5002342867175", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling serial-embedded-hal v0.1.2
[INFO] [stderr]    Compiling spidriver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> examples/ssd1322.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |             buf[(y * WIDTH / 2 + x)] = if y % 2 == 0 { 0xf0 } else { 0x0f };
[INFO] [stdout]    |                 ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 -             buf[(y * WIDTH / 2 + x)] = if y % 2 == 0 { 0xf0 } else { 0x0f };
[INFO] [stdout] 44 +             buf[y * WIDTH / 2 + x ] = if y % 2 == 0 { 0xf0 } else { 0x0f };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "71f7a0d5417db0c9b369263ccfa29f9e53c6025b1f41f4bcbdb5002342867175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f7a0d5417db0c9b369263ccfa29f9e53c6025b1f41f4bcbdb5002342867175", kill_on_drop: false }`
[INFO] [stdout] 71f7a0d5417db0c9b369263ccfa29f9e53c6025b1f41f4bcbdb5002342867175
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 547a37b4e7f17dd5c34f84c53b5d9c42f6b6e751b5d48893be50357a58c4c371
[INFO] running `Command { std: "docker" "start" "-a" "547a37b4e7f17dd5c34f84c53b5d9c42f6b6e751b5d48893be50357a58c4c371", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stdout] 
[INFO] [stderr]   --> examples/ssd1322.rs:44:17
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 44 |             buf[(y * WIDTH / 2 + x)] = if y % 2 == 0 { 0xf0 } else { 0x0f };
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                 ^                 ^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 44 -             buf[(y * WIDTH / 2 + x)] = if y % 2 == 0 { 0xf0 } else { 0x0f };
[INFO] [stderr] 44 +             buf[y * WIDTH / 2 + x ] = if y % 2 == 0 { 0xf0 } else { 0x0f };
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `spidriver` (example "ssd1322") generated 1 warning (run `cargo fix --example "ssd1322" -p spidriver` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spidriver-4d4d603c52ea0c9d)
[INFO] [stderr]    Doc-tests spidriver
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/lib.rs - (line 14) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 14) stdout ----
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `PortSettings` in this scope
[INFO] [stdout]   --> src/lib.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 |     &PortSettings {
[INFO] [stdout]    |      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Serial` in this scope
[INFO] [stdout]   --> src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | let port = Serial::new(
[INFO] [stdout]    |            ^^^^^^ use of undeclared type `Serial`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `SPIDriver` in this scope
[INFO] [stdout]   --> src/lib.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | let sd = SPIDriver::new(tx, rx);
[INFO] [stdout]    |          ^^^^^^^^^ use of undeclared type `SPIDriver`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 14)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "547a37b4e7f17dd5c34f84c53b5d9c42f6b6e751b5d48893be50357a58c4c371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "547a37b4e7f17dd5c34f84c53b5d9c42f6b6e751b5d48893be50357a58c4c371", kill_on_drop: false }`
[INFO] [stdout] 547a37b4e7f17dd5c34f84c53b5d9c42f6b6e751b5d48893be50357a58c4c371
