[INFO] crate flubber-backend-proto 0.1.0-alpha is already in cache
[INFO] checking flubber-backend-proto-0.1.0-alpha against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate flubber-backend-proto 0.1.0-alpha into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate flubber-backend-proto 0.1.0-alpha on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate flubber-backend-proto 0.1.0-alpha
[INFO] finished tweaking crates.io crate flubber-backend-proto 0.1.0-alpha
[INFO] tweaked toml for crates.io crate flubber-backend-proto 0.1.0-alpha written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] e7d94ff4db32c44bb9e3638590f0feb4f80976e15b5c85965103bd068d02f9b1
[INFO] running `"docker" "start" "-a" "e7d94ff4db32c44bb9e3638590f0feb4f80976e15b5c85965103bd068d02f9b1"`
[INFO] [stderr]    Compiling sval_derive v0.4.7
[INFO] [stderr]     Checking sval v0.4.7
[INFO] [stderr]     Checking flubber-backend-proto v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr] warning: lint `legacy_directory_ownership` has been removed: `converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information`
[INFO] [stderr]   --> src/lib.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     legacy_directory_ownership,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stderr]   --> src/lib.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     plugin_as_library,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `safe_extern_statics` has been removed: `converted into hard error, see issue #36247 <https://github.com/rust-lang/rust/issues/36247> for more information`
[INFO] [stderr]   --> src/lib.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     safe_extern_statics,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `legacy_directory_ownership` has been removed: `converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information`
[INFO] [stderr]   --> src/lib.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     legacy_directory_ownership,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stderr]   --> src/lib.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     plugin_as_library,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `safe_extern_statics` has been removed: `converted into hard error, see issue #36247 <https://github.com/rust-lang/rust/issues/36247> for more information`
[INFO] [stderr]   --> src/lib.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     safe_extern_statics,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:174:24
[INFO] [stderr]     |
[INFO] [stderr] 174 | #[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:48:5
[INFO] [stderr]     |
[INFO] [stderr] 48  |     unused_results,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:174:24
[INFO] [stderr]     |
[INFO] [stderr] 174 | #[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:174:24
[INFO] [stderr]     |
[INFO] [stderr] 174 | #[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:174:24
[INFO] [stderr]     |
[INFO] [stderr] 174 | #[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:174:24
[INFO] [stderr]     |
[INFO] [stderr] 174 | #[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:246:24
[INFO] [stderr]     |
[INFO] [stderr] 246 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:246:24
[INFO] [stderr]     |
[INFO] [stderr] 246 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:246:24
[INFO] [stderr]     |
[INFO] [stderr] 246 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:246:24
[INFO] [stderr]     |
[INFO] [stderr] 246 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:246:24
[INFO] [stderr]     |
[INFO] [stderr] 246 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:299:24
[INFO] [stderr]     |
[INFO] [stderr] 299 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:299:24
[INFO] [stderr]     |
[INFO] [stderr] 299 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:299:24
[INFO] [stderr]     |
[INFO] [stderr] 299 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:299:24
[INFO] [stderr]     |
[INFO] [stderr] 299 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:299:24
[INFO] [stderr]     |
[INFO] [stderr] 299 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:345:24
[INFO] [stderr]     |
[INFO] [stderr] 345 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:345:24
[INFO] [stderr]     |
[INFO] [stderr] 345 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:345:24
[INFO] [stderr]     |
[INFO] [stderr] 345 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:345:24
[INFO] [stderr]     |
[INFO] [stderr] 345 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:345:24
[INFO] [stderr]     |
[INFO] [stderr] 345 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 20 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `flubber-backend-proto`.
[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: unused result
[INFO] [stderr]    --> src/lib.rs:174:24
[INFO] [stderr]     |
[INFO] [stderr] 174 | #[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:48:5
[INFO] [stderr]     |
[INFO] [stderr] 48  |     unused_results,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:174:24
[INFO] [stderr]     |
[INFO] [stderr] 174 | #[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:174:24
[INFO] [stderr]     |
[INFO] [stderr] 174 | #[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:174:24
[INFO] [stderr]     |
[INFO] [stderr] 174 | #[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:174:24
[INFO] [stderr]     |
[INFO] [stderr] 174 | #[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:246:24
[INFO] [stderr]     |
[INFO] [stderr] 246 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:246:24
[INFO] [stderr]     |
[INFO] [stderr] 246 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:246:24
[INFO] [stderr]     |
[INFO] [stderr] 246 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:246:24
[INFO] [stderr]     |
[INFO] [stderr] 246 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:246:24
[INFO] [stderr]     |
[INFO] [stderr] 246 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:299:24
[INFO] [stderr]     |
[INFO] [stderr] 299 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:299:24
[INFO] [stderr]     |
[INFO] [stderr] 299 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:299:24
[INFO] [stderr]     |
[INFO] [stderr] 299 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:299:24
[INFO] [stderr]     |
[INFO] [stderr] 299 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:299:24
[INFO] [stderr]     |
[INFO] [stderr] 299 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:345:24
[INFO] [stderr]     |
[INFO] [stderr] 345 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:345:24
[INFO] [stderr]     |
[INFO] [stderr] 345 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:345:24
[INFO] [stderr]     |
[INFO] [stderr] 345 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:345:24
[INFO] [stderr]     |
[INFO] [stderr] 345 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: unused result
[INFO] [stderr]    --> src/lib.rs:345:24
[INFO] [stderr]     |
[INFO] [stderr] 345 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 20 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `flubber-backend-proto`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e7d94ff4db32c44bb9e3638590f0feb4f80976e15b5c85965103bd068d02f9b1"`
[INFO] running `"docker" "rm" "-f" "e7d94ff4db32c44bb9e3638590f0feb4f80976e15b5c85965103bd068d02f9b1"`
[INFO] [stdout] e7d94ff4db32c44bb9e3638590f0feb4f80976e15b5c85965103bd068d02f9b1
