[INFO] fetching crate protobuf-codegen3 2.28.2...
[INFO] checking protobuf-codegen3-2.28.2 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate protobuf-codegen3 2.28.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate protobuf-codegen3 2.28.2 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protobuf-codegen3 2.28.2
[INFO] finished tweaking crates.io crate protobuf-codegen3 2.28.2
[INFO] tweaked toml for crates.io crate protobuf-codegen3 2.28.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate protobuf-codegen3 2.28.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bedfc162587578818bdc630e8764c5fa9b3d8f415f330a929be5ddf443e16727
[INFO] running `Command { std: "docker" "start" "-a" "bedfc162587578818bdc630e8764c5fa9b3d8f415f330a929be5ddf443e16727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bedfc162587578818bdc630e8764c5fa9b3d8f415f330a929be5ddf443e16727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bedfc162587578818bdc630e8764c5fa9b3d8f415f330a929be5ddf443e16727", kill_on_drop: false }`
[INFO] [stdout] bedfc162587578818bdc630e8764c5fa9b3d8f415f330a929be5ddf443e16727
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a75eecd4ea0cb09b01afe58df5831bf9db4523105ab6fe9edeee50e9781ccb4
[INFO] running `Command { std: "docker" "start" "-a" "9a75eecd4ea0cb09b01afe58df5831bf9db4523105ab6fe9edeee50e9781ccb4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking protobuf-codegen3 v2.28.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/message.rs:97:45
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl<'a> MessageGen<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 97 |     fn required_fields(&'a self) -> Vec<&'a FieldGen> {
[INFO] [stdout]    |                                             ^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/message.rs:107:44
[INFO] [stdout]     |
[INFO] [stdout] 52  | impl<'a> MessageGen<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn message_fields(&'a self) -> Vec<&'a FieldGen> {
[INFO] [stdout]     |                                            ^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/message.rs:114:49
[INFO] [stdout]     |
[INFO] [stdout] 52  | impl<'a> MessageGen<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn fields_except_oneof(&'a self) -> Vec<&'a FieldGen> {
[INFO] [stdout]     |                                                 ^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/message.rs:118:49
[INFO] [stdout]     |
[INFO] [stdout] 52  | impl<'a> MessageGen<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn fields_except_group(&'a self) -> Vec<&'a FieldGen> {
[INFO] [stdout]     |                                                 ^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/message.rs:125:59
[INFO] [stdout]     |
[INFO] [stdout] 52  | impl<'a> MessageGen<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn fields_except_oneof_and_group(&'a self) -> Vec<&'a FieldGen> {
[INFO] [stdout]     |                                                           ^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/message.rs:97:45
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl<'a> MessageGen<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 97 |     fn required_fields(&'a self) -> Vec<&'a FieldGen> {
[INFO] [stdout]    |                                             ^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/message.rs:107:44
[INFO] [stdout]     |
[INFO] [stdout] 52  | impl<'a> MessageGen<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn message_fields(&'a self) -> Vec<&'a FieldGen> {
[INFO] [stdout]     |                                            ^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/message.rs:114:49
[INFO] [stdout]     |
[INFO] [stdout] 52  | impl<'a> MessageGen<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn fields_except_oneof(&'a self) -> Vec<&'a FieldGen> {
[INFO] [stdout]     |                                                 ^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/message.rs:118:49
[INFO] [stdout]     |
[INFO] [stdout] 52  | impl<'a> MessageGen<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn fields_except_group(&'a self) -> Vec<&'a FieldGen> {
[INFO] [stdout]     |                                                 ^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/message.rs:125:59
[INFO] [stdout]     |
[INFO] [stdout] 52  | impl<'a> MessageGen<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn fields_except_oneof_and_group(&'a self) -> Vec<&'a FieldGen> {
[INFO] [stdout]     |                                                           ^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/field/mod.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     Message(
[INFO] [stdout]     |     ------- field in this variant
[INFO] [stdout] 234 |         String,
[INFO] [stdout] 235 |         String,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldElem` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 235 |         (),
[INFO] [stdout]     |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/field/mod.rs:240:18
[INFO] [stdout]     |
[INFO] [stdout] 240 |     Enum(String, String, RustIdent),
[INFO] [stdout]     |     ----         ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldElem` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 240 |     Enum(String, (), RustIdent),
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/field/mod.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     Message(
[INFO] [stdout]     |     ------- field in this variant
[INFO] [stdout] 234 |         String,
[INFO] [stdout] 235 |         String,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldElem` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 235 |         (),
[INFO] [stdout]     |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/field/mod.rs:240:18
[INFO] [stdout]     |
[INFO] [stdout] 240 |     Enum(String, String, RustIdent),
[INFO] [stdout]     |     ----         ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldElem` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 240 |     Enum(String, (), RustIdent),
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `Command { std: "docker" "inspect" "9a75eecd4ea0cb09b01afe58df5831bf9db4523105ab6fe9edeee50e9781ccb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a75eecd4ea0cb09b01afe58df5831bf9db4523105ab6fe9edeee50e9781ccb4", kill_on_drop: false }`
[INFO] [stdout] 9a75eecd4ea0cb09b01afe58df5831bf9db4523105ab6fe9edeee50e9781ccb4