[INFO] fetching crate flubber-backend-proto 0.1.0-alpha...
[INFO] building flubber-backend-proto-0.1.0-alpha against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate flubber-backend-proto 0.1.0-alpha into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate flubber-backend-proto 0.1.0-alpha on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sval v0.4.7
[INFO] [stderr]   Downloaded sval_derive v0.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bf5c4586b2b293a7afe9aea7c23a5690dfc9264dd82281363d195c988543c0b
[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" "9bf5c4586b2b293a7afe9aea7c23a5690dfc9264dd82281363d195c988543c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bf5c4586b2b293a7afe9aea7c23a5690dfc9264dd82281363d195c988543c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bf5c4586b2b293a7afe9aea7c23a5690dfc9264dd82281363d195c988543c0b", kill_on_drop: false }`
[INFO] [stdout] 9bf5c4586b2b293a7afe9aea7c23a5690dfc9264dd82281363d195c988543c0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c9f1f395deb7239d4691e09b7234dff55ad8ff5b75b61e2077c9f3eabd9c459
[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" "8c9f1f395deb7239d4691e09b7234dff55ad8ff5b75b61e2077c9f3eabd9c459", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling sval_derive v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling sval v0.4.7
[INFO] [stderr]    Compiling flubber-backend-proto v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] 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] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     legacy_directory_ownership,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     plugin_as_library,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     safe_extern_statics,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:174:24
[INFO] [stdout]     |
[INFO] [stdout] 174 | #[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:48:5
[INFO] [stdout]     |
[INFO] [stdout] 48  |     unused_results,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:174:24
[INFO] [stdout]     |
[INFO] [stdout] 174 | #[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:174:24
[INFO] [stdout]     |
[INFO] [stdout] 174 | #[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:174:24
[INFO] [stdout]     |
[INFO] [stdout] 174 | #[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:174:24
[INFO] [stdout]     |
[INFO] [stdout] 174 | #[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:246:24
[INFO] [stdout]     |
[INFO] [stdout] 246 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:246:24
[INFO] [stdout]     |
[INFO] [stdout] 246 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:246:24
[INFO] [stdout]     |
[INFO] [stdout] 246 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:246:24
[INFO] [stdout]     |
[INFO] [stdout] 246 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:246:24
[INFO] [stdout]     |
[INFO] [stdout] 246 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:299:24
[INFO] [stdout]     |
[INFO] [stdout] 299 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:299:24
[INFO] [stdout]     |
[INFO] [stdout] 299 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:299:24
[INFO] [stdout]     |
[INFO] [stdout] 299 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:299:24
[INFO] [stdout]     |
[INFO] [stdout] 299 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:299:24
[INFO] [stdout]     |
[INFO] [stdout] 299 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:345:24
[INFO] [stdout]     |
[INFO] [stdout] 345 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:345:24
[INFO] [stdout]     |
[INFO] [stdout] 345 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:345:24
[INFO] [stdout]     |
[INFO] [stdout] 345 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:345:24
[INFO] [stdout]     |
[INFO] [stdout] 345 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused result
[INFO] [stdout]    --> src/lib.rs:345:24
[INFO] [stdout]     |
[INFO] [stdout] 345 | #[derive(Clone, Debug, Deserialize, PartialEq, Serialize, Value)]
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 20 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flubber-backend-proto`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8c9f1f395deb7239d4691e09b7234dff55ad8ff5b75b61e2077c9f3eabd9c459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9f1f395deb7239d4691e09b7234dff55ad8ff5b75b61e2077c9f3eabd9c459", kill_on_drop: false }`
[INFO] [stdout] 8c9f1f395deb7239d4691e09b7234dff55ad8ff5b75b61e2077c9f3eabd9c459
