[INFO] fetching crate nrc-protobuf-codegen 2.8.0... [INFO] checking nrc-protobuf-codegen-2.8.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate nrc-protobuf-codegen 2.8.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate nrc-protobuf-codegen 2.8.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nrc-protobuf-codegen 2.8.0 [INFO] finished tweaking crates.io crate nrc-protobuf-codegen 2.8.0 [INFO] tweaked toml for crates.io crate nrc-protobuf-codegen 2.8.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate nrc-protobuf-codegen 2.8.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7bb192b90eee13d1b6d4724291e180e9600340ab4601145aba7a2b7623ac530b [INFO] running `Command { std: "docker" "start" "-a" "7bb192b90eee13d1b6d4724291e180e9600340ab4601145aba7a2b7623ac530b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7bb192b90eee13d1b6d4724291e180e9600340ab4601145aba7a2b7623ac530b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7bb192b90eee13d1b6d4724291e180e9600340ab4601145aba7a2b7623ac530b", kill_on_drop: false }` [INFO] [stdout] 7bb192b90eee13d1b6d4724291e180e9600340ab4601145aba7a2b7623ac530b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02a9aafb0bc7b09b4e15109b2ed2f17015aba953ec35ebb2ea13e828b495964b [INFO] running `Command { std: "docker" "start" "-a" "02a9aafb0bc7b09b4e15109b2ed2f17015aba953ec35ebb2ea13e828b495964b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling nrc-protobuf v2.8.0 [INFO] [stderr] Checking heck v0.3.1 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking nrc-protobuf-codegen v2.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/message.rs:70:45 [INFO] [stdout] | [INFO] [stdout] 25 | impl<'a> MessageGen<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 70 | 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:80:44 [INFO] [stdout] | [INFO] [stdout] 25 | impl<'a> MessageGen<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 80 | 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:87:49 [INFO] [stdout] | [INFO] [stdout] 25 | impl<'a> MessageGen<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 87 | 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:91:49 [INFO] [stdout] | [INFO] [stdout] 25 | impl<'a> MessageGen<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 91 | 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:98:59 [INFO] [stdout] | [INFO] [stdout] 25 | impl<'a> MessageGen<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 98 | 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: unnecessary trailing semicolon [INFO] [stdout] --> src/message.rs:301:77 [INFO] [stdout] | [INFO] [stdout] 301 | ... self.write_descriptor_field("fields", field, w);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/message.rs:70:45 [INFO] [stdout] | [INFO] [stdout] 25 | impl<'a> MessageGen<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 70 | 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:80:44 [INFO] [stdout] | [INFO] [stdout] 25 | impl<'a> MessageGen<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 80 | 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:87:49 [INFO] [stdout] | [INFO] [stdout] 25 | impl<'a> MessageGen<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 87 | 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:91:49 [INFO] [stdout] | [INFO] [stdout] 25 | impl<'a> MessageGen<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 91 | 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:98:59 [INFO] [stdout] | [INFO] [stdout] 25 | impl<'a> MessageGen<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 98 | 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: unnecessary trailing semicolon [INFO] [stdout] --> src/message.rs:301:77 [INFO] [stdout] | [INFO] [stdout] 301 | ... self.write_descriptor_field("fields", field, w);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/field.rs:184:5 [INFO] [stdout] | [INFO] [stdout] 183 | pub struct MapField { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 184 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MapField` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/field.rs:226:21 [INFO] [stdout] | [INFO] [stdout] 226 | Message(String, String, Option>), [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] 226 | Message(String, (), Option>), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/field.rs:228:18 [INFO] [stdout] | [INFO] [stdout] 228 | 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] 228 | Enum(String, (), RustIdent), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root_scope` is never read [INFO] [stdout] --> src/field.rs:409:5 [INFO] [stdout] | [INFO] [stdout] 408 | pub struct FieldGen<'a> { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 409 | root_scope: &'a RootScope<'a>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FieldGen` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `oneof`, `variant`, and `customize` are never read [INFO] [stdout] --> src/oneof.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 76 | pub struct OneofVariantGen<'a> { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 77 | oneof: &'a OneofGen<'a>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 78 | variant: OneofVariantWithContext<'a>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | customize: Customize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `OneofVariantGen` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `lite_runtime` is never read [INFO] [stdout] --> src/oneof.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 124 | pub struct OneofGen<'a> { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 129 | lite_runtime: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `OneofGen` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/field.rs:184:5 [INFO] [stdout] | [INFO] [stdout] 183 | pub struct MapField { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 184 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MapField` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/field.rs:226:21 [INFO] [stdout] | [INFO] [stdout] 226 | Message(String, String, Option>), [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] 226 | Message(String, (), Option>), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/field.rs:228:18 [INFO] [stdout] | [INFO] [stdout] 228 | 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] 228 | Enum(String, (), RustIdent), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root_scope` is never read [INFO] [stdout] --> src/field.rs:409:5 [INFO] [stdout] | [INFO] [stdout] 408 | pub struct FieldGen<'a> { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 409 | root_scope: &'a RootScope<'a>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FieldGen` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `oneof`, `variant`, and `customize` are never read [INFO] [stdout] --> src/oneof.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 76 | pub struct OneofVariantGen<'a> { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 77 | oneof: &'a OneofGen<'a>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 78 | variant: OneofVariantWithContext<'a>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | customize: Customize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `OneofVariantGen` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `lite_runtime` is never read [INFO] [stdout] --> src/oneof.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 124 | pub struct OneofGen<'a> { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 129 | lite_runtime: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `OneofGen` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.53s [INFO] running `Command { std: "docker" "inspect" "02a9aafb0bc7b09b4e15109b2ed2f17015aba953ec35ebb2ea13e828b495964b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02a9aafb0bc7b09b4e15109b2ed2f17015aba953ec35ebb2ea13e828b495964b", kill_on_drop: false }` [INFO] [stdout] 02a9aafb0bc7b09b4e15109b2ed2f17015aba953ec35ebb2ea13e828b495964b