[INFO] fetching crate derive_builder_core 0.20.2... [INFO] testing derive_builder_core-0.20.2 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate derive_builder_core 0.20.2 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate derive_builder_core 0.20.2 [INFO] finished tweaking crates.io crate derive_builder_core 0.20.2 [INFO] tweaked toml for crates.io crate derive_builder_core 0.20.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate derive_builder_core 0.20.2 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding darling v0.20.11 (available: v0.21.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bcf9447e490da0c9b7d31d838acc5406b15b0b943f5b2fd2711ad564621af01d [INFO] running `Command { std: "docker" "start" "-a" "bcf9447e490da0c9b7d31d838acc5406b15b0b943f5b2fd2711ad564621af01d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bcf9447e490da0c9b7d31d838acc5406b15b0b943f5b2fd2711ad564621af01d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcf9447e490da0c9b7d31d838acc5406b15b0b943f5b2fd2711ad564621af01d", kill_on_drop: false }` [INFO] [stdout] bcf9447e490da0c9b7d31d838acc5406b15b0b943f5b2fd2711ad564621af01d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80da2156055c16b142df7b74f6775e237168cd703d648c724dfaf45cab8a2a59 [INFO] running `Command { std: "docker" "start" "-a" "80da2156055c16b142df7b74f6775e237168cd703d648c724dfaf45cab8a2a59", kill_on_drop: false }` [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling darling_core v0.20.11 [INFO] [stderr] Compiling darling_macro v0.20.11 [INFO] [stderr] Compiling darling v0.20.11 [INFO] [stderr] Compiling derive_builder_core v0.20.2 (/opt/rustwide/workdir) [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/macro_options/darling_opts.rs:28:35 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn to_explicit_visibility(&self) -> Option> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | #![deny(warnings, missing_docs)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 28 | pub fn to_explicit_visibility(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/macro_options/darling_opts.rs:615:24 [INFO] [stdout] | [INFO] [stdout] 615 | pub fn builder_vis(&self) -> Cow { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 615 | pub fn builder_vis(&self) -> Cow<'_, syn::Visibility> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/macro_options/darling_opts.rs:623:29 [INFO] [stdout] | [INFO] [stdout] 623 | pub fn build_method_vis(&self) -> Cow { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 623 | pub fn build_method_vis(&self) -> Cow<'_, syn::Visibility> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/macro_options/darling_opts.rs:646:19 [INFO] [stdout] | [INFO] [stdout] 646 | pub fn fields(&self) -> FieldIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 646 | pub fn fields(&self) -> FieldIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/macro_options/darling_opts.rs:657:23 [INFO] [stdout] | [INFO] [stdout] 657 | pub fn as_builder(&self) -> Builder { [INFO] [stdout] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 657 | pub fn as_builder(&self) -> Builder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/macro_options/darling_opts.rs:693:28 [INFO] [stdout] | [INFO] [stdout] 693 | pub fn as_build_method(&self) -> BuildMethod { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 693 | pub fn as_build_method(&self) -> BuildMethod<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/macro_options/darling_opts.rs:791:23 [INFO] [stdout] | [INFO] [stdout] 791 | pub fn setter_vis(&self) -> Cow { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 791 | pub fn setter_vis(&self) -> Cow<'_, syn::Visibility> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/macro_options/darling_opts.rs:808:22 [INFO] [stdout] | [INFO] [stdout] 808 | pub fn field_vis(&self) -> Cow { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 808 | pub fn field_vis(&self) -> Cow<'_, syn::Visibility> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `derive_builder_core` (lib) due to 8 previous errors [INFO] running `Command { std: "docker" "inspect" "80da2156055c16b142df7b74f6775e237168cd703d648c724dfaf45cab8a2a59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80da2156055c16b142df7b74f6775e237168cd703d648c724dfaf45cab8a2a59", kill_on_drop: false }` [INFO] [stdout] 80da2156055c16b142df7b74f6775e237168cd703d648c724dfaf45cab8a2a59