[INFO] crate multiwii-serial-protocol-2 0.1.2 is already in cache
[INFO] checking multiwii-serial-protocol-2-0.1.2 against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] extracting crate multiwii-serial-protocol-2 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate multiwii-serial-protocol-2 0.1.2 on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multiwii-serial-protocol-2 0.1.2
[INFO] finished tweaking crates.io crate multiwii-serial-protocol-2 0.1.2
[INFO] tweaked toml for crates.io crate multiwii-serial-protocol-2 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfb6bdfddaf7e0a4c9a1bd1f17bc63d3b04cb4753b7eabba14d924d60ff3e850
[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" "bfb6bdfddaf7e0a4c9a1bd1f17bc63d3b04cb4753b7eabba14d924d60ff3e850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfb6bdfddaf7e0a4c9a1bd1f17bc63d3b04cb4753b7eabba14d924d60ff3e850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb6bdfddaf7e0a4c9a1bd1f17bc63d3b04cb4753b7eabba14d924d60ff3e850", kill_on_drop: false }`
[INFO] [stdout] bfb6bdfddaf7e0a4c9a1bd1f17bc63d3b04cb4753b7eabba14d924d60ff3e850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7f3d9ad5e62232968d0be21f976eb50ebf1b8b98d0397e1d3ec410817e0eeef
[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" "d7f3d9ad5e62232968d0be21f976eb50ebf1b8b98d0397e1d3ec410817e0eeef", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking debug-helper v0.3.9
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking crc-any v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling packed_struct v0.3.0
[INFO] [stderr]    Compiling packed_struct_codegen v0.3.0
[INFO] [stderr]     Checking multiwii-serial-protocol-2 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/packet.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |         data: Cow::Owned(vec![0xbe, 0xef])
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found enum `std::borrow::Cow`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `std::vec::Vec<u8>`
[INFO] [stdout]                  found enum `std::borrow::Cow<'_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/packet.rs:387:10
[INFO] [stdout]     |
[INFO] [stdout] 387 |             data: Cow::Owned(vec![0x00, 0x00, 0x00])
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found enum `std::borrow::Cow`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `std::vec::Vec<u8>`
[INFO] [stdout]                  found enum `std::borrow::Cow<'_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/packet.rs:396:10
[INFO] [stdout]     |
[INFO] [stdout] 396 |             data: Cow::Owned(vec![])
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found enum `std::borrow::Cow`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `std::vec::Vec<u8>`
[INFO] [stdout]                  found enum `std::borrow::Cow<'_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/packet.rs:405:10
[INFO] [stdout]     |
[INFO] [stdout] 405 |             data: Cow::Owned(vec![0x44, 0x20, 0x00, 0x80])
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found enum `std::borrow::Cow`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `std::vec::Vec<u8>`
[INFO] [stdout]                  found enum `std::borrow::Cow<'_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `multiwii-serial-protocol-2`.
[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" "d7f3d9ad5e62232968d0be21f976eb50ebf1b8b98d0397e1d3ec410817e0eeef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f3d9ad5e62232968d0be21f976eb50ebf1b8b98d0397e1d3ec410817e0eeef", kill_on_drop: false }`
[INFO] [stdout] d7f3d9ad5e62232968d0be21f976eb50ebf1b8b98d0397e1d3ec410817e0eeef