[INFO] fetching crate relay8x 0.1.1...
[INFO] checking relay8x-0.1.1 against beta for pr-78714
[INFO] extracting crate relay8x 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate relay8x 0.1.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config
[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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ac69b784d83f7f0e5f1ad281af8fa4ee0f53302490c38f0d72d9c0336f916896
[INFO] running `Command { std: "docker" "start" "-a" "ac69b784d83f7f0e5f1ad281af8fa4ee0f53302490c38f0d72d9c0336f916896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac69b784d83f7f0e5f1ad281af8fa4ee0f53302490c38f0d72d9c0336f916896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac69b784d83f7f0e5f1ad281af8fa4ee0f53302490c38f0d72d9c0336f916896", kill_on_drop: false }`
[INFO] [stdout] ac69b784d83f7f0e5f1ad281af8fa4ee0f53302490c38f0d72d9c0336f916896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef6911f8352b0757aa71ea77daf7403b84d1c8a5442897411f00faef3e0832bc
[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" "ef6911f8352b0757aa71ea77daf7403b84d1c8a5442897411f00faef3e0832bc", kill_on_drop: false }`
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking relay8x v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |     port: Box<SerialPort>,
[INFO] [stdout]    |               ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |     port: Box<SerialPort>,
[INFO] [stdout]    |               ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:331:26
[INFO] [stdout]     |
[INFO] [stdout] 331 |             Relay8x::new(String::from("/dev/ttyUSB0"), 1).expect("Failed to connect to device");
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          expected `&str`, found struct `String`
[INFO] [stdout]     |                          help: consider borrowing here: `&String::from("/dev/ttyUSB0")`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `init_device` found for struct `Relay8x` in the current scope
[INFO] [stdout]    --> src/lib.rs:332:35
[INFO] [stdout]     |
[INFO] [stdout] 18  | pub struct Relay8x {
[INFO] [stdout]     | ------------------ method `init_device` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 332 |         let init_response = relay.init_device().expect("Failed to init device");
[INFO] [stdout]     |                                   ^^^^^^^^^^^ method not found in `Relay8x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `relay8x`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ef6911f8352b0757aa71ea77daf7403b84d1c8a5442897411f00faef3e0832bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6911f8352b0757aa71ea77daf7403b84d1c8a5442897411f00faef3e0832bc", kill_on_drop: false }`
[INFO] [stdout] ef6911f8352b0757aa71ea77daf7403b84d1c8a5442897411f00faef3e0832bc