[INFO] crate relay8x 0.1.1 is already in cache
[INFO] checking relay8x-0.1.1 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate relay8x 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate relay8x 0.1.1 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate relay8x 0.1.1
[INFO] finished tweaking crates.io crate relay8x 0.1.1
[INFO] tweaked toml for crates.io crate relay8x 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c4ca2fd940c25b45e843d8f5c8ed01f43fd3f1fc63b5a6bc2be7df7296c9eaf0
[INFO] running `"docker" "start" "-a" "c4ca2fd940c25b45e843d8f5c8ed01f43fd3f1fc63b5a6bc2be7df7296c9eaf0"`
[INFO] [stderr]     Checking relay8x v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |     port: Box<SerialPort>,
[INFO] [stderr]    |               ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |     port: Box<SerialPort>,
[INFO] [stderr]    |               ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:331:26
[INFO] [stderr]     |
[INFO] [stderr] 331 |             Relay8x::new(String::from("/dev/ttyUSB0"), 1).expect("Failed to connect to device");
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          expected `&str`, found struct `std::string::String`
[INFO] [stderr]     |                          help: consider borrowing here: `&String::from("/dev/ttyUSB0")`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `init_device` found for struct `Relay8x` in the current scope
[INFO] [stderr]    --> src/lib.rs:332:35
[INFO] [stderr]     |
[INFO] [stderr] 18  | pub struct Relay8x {
[INFO] [stderr]     | ------------------ method `init_device` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 332 |         let init_response = relay.init_device().expect("Failed to init device");
[INFO] [stderr]     |                                   ^^^^^^^^^^^ method not found in `Relay8x`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `relay8x`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c4ca2fd940c25b45e843d8f5c8ed01f43fd3f1fc63b5a6bc2be7df7296c9eaf0"`
[INFO] running `"docker" "rm" "-f" "c4ca2fd940c25b45e843d8f5c8ed01f43fd3f1fc63b5a6bc2be7df7296c9eaf0"`
[INFO] [stdout] c4ca2fd940c25b45e843d8f5c8ed01f43fd3f1fc63b5a6bc2be7df7296c9eaf0