[INFO] fetching crate uclicious_derive 0.1.7... [INFO] checking uclicious_derive-0.1.7 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate uclicious_derive 0.1.7 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate uclicious_derive 0.1.7 [INFO] finished tweaking crates.io crate uclicious_derive 0.1.7 [INFO] tweaked toml for crates.io crate uclicious_derive 0.1.7 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate uclicious_derive 0.1.7 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding darling v0.10.2 (available: v0.20.11) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.104) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cd9ab3e8fa63de2259feed4b56282469cb55d4d34097b6618107cdfa7e5a54f9 [INFO] running `Command { std: "docker" "start" "-a" "cd9ab3e8fa63de2259feed4b56282469cb55d4d34097b6618107cdfa7e5a54f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd9ab3e8fa63de2259feed4b56282469cb55d4d34097b6618107cdfa7e5a54f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd9ab3e8fa63de2259feed4b56282469cb55d4d34097b6618107cdfa7e5a54f9", kill_on_drop: false }` [INFO] [stdout] cd9ab3e8fa63de2259feed4b56282469cb55d4d34097b6618107cdfa7e5a54f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c6c9b0c98c4214dab72bc130c6a38ac4c9f29afe8f7d8538066c82b46506aa8 [INFO] running `Command { std: "docker" "start" "-a" "6c6c9b0c98c4214dab72bc130c6a38ac4c9f29afe8f7d8538066c82b46506aa8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Checking quote v1.0.40 [INFO] [stderr] Checking syn v1.0.109 [INFO] [stderr] Checking darling_core v0.10.2 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking darling v0.10.2 [INFO] [stderr] Checking uclicious_derive v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `attrs` and `derive` are never read [INFO] [stdout] --> src/options.rs:154:5 [INFO] [stdout] | [INFO] [stdout] 152 | pub struct Options { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 153 | ident: Ident, [INFO] [stdout] 154 | attrs: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 166 | derive: PathList, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Options` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `attrs`, `vis`, and `ty` are never read [INFO] [stdout] --> src/options.rs:204:5 [INFO] [stdout] | [INFO] [stdout] 202 | pub struct Field { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 203 | ident: Option, [INFO] [stdout] 204 | attrs: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 205 | vis: syn::Visibility, [INFO] [stdout] | ^^^ [INFO] [stdout] 206 | ty: syn::Type, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Field` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `initializers`, `doc_comment`, and `validate_fn` are never read [INFO] [stdout] --> src/builder.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 59 | pub struct BuildMethod<'a> { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 71 | pub initializers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 72 | /// Doc-comment of the builder struct. [INFO] [stdout] 73 | pub doc_comment: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | pub validate_fn: Option<&'a syn::Path>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BuildMethod` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `default_struct` is never read [INFO] [stdout] --> src/builder.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 105 | pub struct FromObject<'a> { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 115 | pub default_struct: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/options.rs:377:19 [INFO] [stdout] | [INFO] [stdout] 377 | pub fn fields(&self) -> FieldIter { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 377 | pub fn fields(&self) -> FieldIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/options.rs:381:27 [INFO] [stdout] | [INFO] [stdout] 381 | pub fn as_from_object(&self) -> FromObject { [INFO] [stdout] | ^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 381 | pub fn as_from_object(&self) -> FromObject<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/options.rs:389:23 [INFO] [stdout] | [INFO] [stdout] 389 | pub fn as_builder(&self) -> Builder { [INFO] [stdout] | ^^^^^ ------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 389 | pub fn as_builder(&self) -> Builder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/options.rs:403:28 [INFO] [stdout] | [INFO] [stdout] 403 | pub fn as_build_method(&self) -> BuildMethod { [INFO] [stdout] | ^^^^^ ----------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 403 | pub fn as_build_method(&self) -> BuildMethod<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/options.rs:422:28 [INFO] [stdout] | [INFO] [stdout] 422 | pub fn as_into_builder(&self) -> IntoBuilder { [INFO] [stdout] | ^^^^^ ----------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 422 | pub fn as_into_builder(&self) -> IntoBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/initializer.rs:58:20 [INFO] [stdout] | [INFO] [stdout] 58 | fn match_some(&'a self) -> MatchSome { [INFO] [stdout] | ^^ --------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 58 | fn match_some(&'a self) -> MatchSome<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `attrs` and `derive` are never read [INFO] [stdout] --> src/options.rs:154:5 [INFO] [stdout] | [INFO] [stdout] 152 | pub struct Options { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 153 | ident: Ident, [INFO] [stdout] 154 | attrs: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 166 | derive: PathList, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Options` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `attrs`, `vis`, and `ty` are never read [INFO] [stdout] --> src/options.rs:204:5 [INFO] [stdout] | [INFO] [stdout] 202 | pub struct Field { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 203 | ident: Option, [INFO] [stdout] 204 | attrs: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 205 | vis: syn::Visibility, [INFO] [stdout] | ^^^ [INFO] [stdout] 206 | ty: syn::Type, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Field` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `initializers`, `doc_comment`, and `validate_fn` are never read [INFO] [stdout] --> src/builder.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 59 | pub struct BuildMethod<'a> { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 71 | pub initializers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 72 | /// Doc-comment of the builder struct. [INFO] [stdout] 73 | pub doc_comment: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | pub validate_fn: Option<&'a syn::Path>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BuildMethod` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `default_struct` is never read [INFO] [stdout] --> src/builder.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 105 | pub struct FromObject<'a> { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 115 | pub default_struct: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/options.rs:377:19 [INFO] [stdout] | [INFO] [stdout] 377 | pub fn fields(&self) -> FieldIter { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 377 | pub fn fields(&self) -> FieldIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/options.rs:381:27 [INFO] [stdout] | [INFO] [stdout] 381 | pub fn as_from_object(&self) -> FromObject { [INFO] [stdout] | ^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 381 | pub fn as_from_object(&self) -> FromObject<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/options.rs:389:23 [INFO] [stdout] | [INFO] [stdout] 389 | pub fn as_builder(&self) -> Builder { [INFO] [stdout] | ^^^^^ ------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 389 | pub fn as_builder(&self) -> Builder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/options.rs:403:28 [INFO] [stdout] | [INFO] [stdout] 403 | pub fn as_build_method(&self) -> BuildMethod { [INFO] [stdout] | ^^^^^ ----------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 403 | pub fn as_build_method(&self) -> BuildMethod<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/options.rs:422:28 [INFO] [stdout] | [INFO] [stdout] 422 | pub fn as_into_builder(&self) -> IntoBuilder { [INFO] [stdout] | ^^^^^ ----------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 422 | pub fn as_into_builder(&self) -> IntoBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/initializer.rs:58:20 [INFO] [stdout] | [INFO] [stdout] 58 | fn match_some(&'a self) -> MatchSome { [INFO] [stdout] | ^^ --------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 58 | fn match_some(&'a self) -> MatchSome<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.93s [INFO] running `Command { std: "docker" "inspect" "6c6c9b0c98c4214dab72bc130c6a38ac4c9f29afe8f7d8538066c82b46506aa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c6c9b0c98c4214dab72bc130c6a38ac4c9f29afe8f7d8538066c82b46506aa8", kill_on_drop: false }` [INFO] [stdout] 6c6c9b0c98c4214dab72bc130c6a38ac4c9f29afe8f7d8538066c82b46506aa8