[INFO] fetching crate protobuf-codegen 2.25.1...
[INFO] checking protobuf-codegen-2.25.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate protobuf-codegen 2.25.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate protobuf-codegen 2.25.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protobuf-codegen 2.25.1
[INFO] finished tweaking crates.io crate protobuf-codegen 2.25.1
[INFO] tweaked toml for crates.io crate protobuf-codegen 2.25.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate protobuf-codegen 2.25.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd5b35d34685f2dadaecc45f3397ae42dc3f9ebe5eac1b2890c372f5a8291316
[INFO] running `Command { std: "docker" "start" "-a" "cd5b35d34685f2dadaecc45f3397ae42dc3f9ebe5eac1b2890c372f5a8291316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd5b35d34685f2dadaecc45f3397ae42dc3f9ebe5eac1b2890c372f5a8291316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd5b35d34685f2dadaecc45f3397ae42dc3f9ebe5eac1b2890c372f5a8291316", kill_on_drop: false }`
[INFO] [stdout] cd5b35d34685f2dadaecc45f3397ae42dc3f9ebe5eac1b2890c372f5a8291316
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5262cafa5f0a3382c312da6baeeb168059b66d6672a024960189bb5d558ffbb9
[INFO] running `Command { std: "docker" "start" "-a" "5262cafa5f0a3382c312da6baeeb168059b66d6672a024960189bb5d558ffbb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.25.1
[INFO] [stderr]     Checking protobuf-codegen v2.25.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/field/mod.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 192 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_scope`
[INFO] [stdout]    --> src/field/mod.rs:431:5
[INFO] [stdout]     |
[INFO] [stdout] 431 |     root_scope: &'a RootScope<'a>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `oneof`
[INFO] [stdout]   --> src/oneof.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     oneof: &'a OneofGen<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `variant`
[INFO] [stdout]   --> src/oneof.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     variant: OneofVariantWithContext<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `customize`
[INFO] [stdout]   --> src/oneof.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     customize: Customize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lite_runtime`
[INFO] [stdout]    --> src/oneof.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     lite_runtime: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `en`
[INFO] [stdout]    --> src/scope.rs:415:5
[INFO] [stdout]     |
[INFO] [stdout] 415 |     pub en: EnumWithScope<'a>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/field/mod.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 192 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_scope`
[INFO] [stdout]    --> src/field/mod.rs:431:5
[INFO] [stdout]     |
[INFO] [stdout] 431 |     root_scope: &'a RootScope<'a>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `oneof`
[INFO] [stdout]   --> src/oneof.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     oneof: &'a OneofGen<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `variant`
[INFO] [stdout]   --> src/oneof.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     variant: OneofVariantWithContext<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `customize`
[INFO] [stdout]   --> src/oneof.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     customize: Customize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lite_runtime`
[INFO] [stdout]    --> src/oneof.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     lite_runtime: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `en`
[INFO] [stdout]    --> src/scope.rs:415:5
[INFO] [stdout]     |
[INFO] [stdout] 415 |     pub en: EnumWithScope<'a>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.56s
[INFO] running `Command { std: "docker" "inspect" "5262cafa5f0a3382c312da6baeeb168059b66d6672a024960189bb5d558ffbb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5262cafa5f0a3382c312da6baeeb168059b66d6672a024960189bb5d558ffbb9", kill_on_drop: false }`
[INFO] [stdout] 5262cafa5f0a3382c312da6baeeb168059b66d6672a024960189bb5d558ffbb9