[INFO] fetching crate spidriver 0.1.0... [INFO] testing spidriver-0.1.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate spidriver 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate spidriver 0.1.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 580b8e292481782c775ba36741742cadbfe5c7ed21d0d1d90e994203c04e6f6b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "580b8e292481782c775ba36741742cadbfe5c7ed21d0d1d90e994203c04e6f6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "580b8e292481782c775ba36741742cadbfe5c7ed21d0d1d90e994203c04e6f6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "580b8e292481782c775ba36741742cadbfe5c7ed21d0d1d90e994203c04e6f6b", kill_on_drop: false }` [INFO] [stdout] 580b8e292481782c775ba36741742cadbfe5c7ed21d0d1d90e994203c04e6f6b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89e3d827965ff45c7bd054f167c1213237b319abecb77ee0cfda80e899540cd9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "89e3d827965ff45c7bd054f167c1213237b319abecb77ee0cfda80e899540cd9", kill_on_drop: false }` [INFO] [stderr] Compiling nb v1.0.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling embedded-hal v0.2.6 [INFO] [stderr] Compiling spidriver v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.44s [INFO] running `Command { std: "docker" "inspect" "89e3d827965ff45c7bd054f167c1213237b319abecb77ee0cfda80e899540cd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89e3d827965ff45c7bd054f167c1213237b319abecb77ee0cfda80e899540cd9", kill_on_drop: false }` [INFO] [stdout] 89e3d827965ff45c7bd054f167c1213237b319abecb77ee0cfda80e899540cd9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1843b54012fb46e4f487f0e3d230ebe325db0f8bb79a4c1aa010d258b9412303 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1843b54012fb46e4f487f0e3d230ebe325db0f8bb79a4c1aa010d258b9412303", kill_on_drop: false }` [INFO] [stderr] Compiling termios v0.2.2 [INFO] [stderr] Compiling serial-core v0.4.0 [INFO] [stderr] Compiling ioctl-rs v0.1.6 [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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.09s [INFO] running `Command { std: "docker" "inspect" "1843b54012fb46e4f487f0e3d230ebe325db0f8bb79a4c1aa010d258b9412303", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1843b54012fb46e4f487f0e3d230ebe325db0f8bb79a4c1aa010d258b9412303", kill_on_drop: false }` [INFO] [stdout] 1843b54012fb46e4f487f0e3d230ebe325db0f8bb79a4c1aa010d258b9412303 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ad45ea11c46a048698faacf73cabf29838178e6920cba0a89caa87d9afaab25d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ad45ea11c46a048698faacf73cabf29838178e6920cba0a89caa87d9afaab25d", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/spidriver-054aceb9c8405312) [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests spidriver [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] [stdout] [INFO] [stdout] running 1 test [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[E0433]: failed to resolve: use of undeclared type `Serial` [INFO] [stdout] --> src/lib.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 3 | let port = Serial::new( [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 2 | use serial_embedded_hal::Serial; [INFO] [stdout] | [INFO] [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] 5 | &PortSettings { [INFO] [stdout] | ^^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 2 | use serial_embedded_hal::PortSettings; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SPIDriver` [INFO] [stdout] --> src/lib.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 14 | let sd = SPIDriver::new(tx, rx); [INFO] [stdout] | ^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 2 | use spidriver::SPIDriver; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:24:2 [INFO] [stdout] | [INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_14_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 3 | | let port = Serial::new( [INFO] [stdout] 4 | | "/dev/ttyUSB0", [INFO] [stdout] 5 | | &PortSettings { [INFO] [stdout] ... | [INFO] [stdout] 12 | | )?; [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 13 | | let (tx, rx) = port.split(); [INFO] [stdout] 14 | | let sd = SPIDriver::new(tx, rx); [INFO] [stdout] 15 | | } _doctest_main_src_lib_rs_14_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual<_>` is not implemented for `()` [INFO] [stdout] note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0422, E0433. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [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 0.33s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "ad45ea11c46a048698faacf73cabf29838178e6920cba0a89caa87d9afaab25d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad45ea11c46a048698faacf73cabf29838178e6920cba0a89caa87d9afaab25d", kill_on_drop: false }` [INFO] [stdout] ad45ea11c46a048698faacf73cabf29838178e6920cba0a89caa87d9afaab25d