[INFO] fetching crate objrs_macros 0.0.2...
[INFO] testing objrs_macros-0.0.2 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate objrs_macros 0.0.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate objrs_macros 0.0.2 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate objrs_macros 0.0.2
[INFO] finished tweaking crates.io crate objrs_macros 0.0.2
[INFO] tweaked toml for crates.io crate objrs_macros 0.0.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.83)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.36)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.66)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9ad9a9d5051160169aa89b5ed049de822faf510a1d329900ed46882bcc6ce62
[INFO] running `Command { std: "docker" "start" "-a" "c9ad9a9d5051160169aa89b5ed049de822faf510a1d329900ed46882bcc6ce62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9ad9a9d5051160169aa89b5ed049de822faf510a1d329900ed46882bcc6ce62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ad9a9d5051160169aa89b5ed049de822faf510a1d329900ed46882bcc6ce62", kill_on_drop: false }`
[INFO] [stdout] c9ad9a9d5051160169aa89b5ed049de822faf510a1d329900ed46882bcc6ce62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33237fed3ae33e7bc6ca2cba9b1459e4aca636ca765926379ea5d73a02bc757b
[INFO] running `Command { std: "docker" "start" "-a" "33237fed3ae33e7bc6ca2cba9b1459e4aca636ca765926379ea5d73a02bc757b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling objrs_macros v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:346:7
[INFO] [stdout]     |
[INFO] [stdout] 346 | #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:351:11
[INFO] [stdout]     |
[INFO] [stdout] 351 | #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:356:7
[INFO] [stdout]     |
[INFO] [stdout] 356 | #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:362:11
[INFO] [stdout]     |
[INFO] [stdout] 362 | #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:394:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |   #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:401:13
[INFO] [stdout]     |
[INFO] [stdout] 401 |   #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 410 |   #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:417:13
[INFO] [stdout]     |
[INFO] [stdout] 417 |   #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:426:9
[INFO] [stdout]     |
[INFO] [stdout] 426 |   #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:433:13
[INFO] [stdout]     |
[INFO] [stdout] 433 |   #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:442:9
[INFO] [stdout]     |
[INFO] [stdout] 442 |   #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:451:13
[INFO] [stdout]     |
[INFO] [stdout] 451 |   #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/gensym.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 |   let mut buf = unsafe { core::mem::uninitialized() };
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/selector.rs:361:12
[INFO] [stdout]     |
[INFO] [stdout] 361 |   inline: &ToTokens,
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 361 |   inline: &dyn ToTokens,
[INFO] [stdout]     |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/class.rs:273:39
[INFO] [stdout]     |
[INFO] [stdout] 273 |   let mut generic_idents: Punctuated<&ToTokens, Comma> = Punctuated::new();
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 273 |   let mut generic_idents: Punctuated<&dyn ToTokens, Comma> = Punctuated::new();
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/protocol.rs:309:39
[INFO] [stdout]     |
[INFO] [stdout] 309 |   let mut generic_idents: Punctuated<&ToTokens, syn::token::Comma> = Punctuated::new();
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 309 |   let mut generic_idents: Punctuated<&dyn ToTokens, syn::token::Comma> = Punctuated::new();
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/selector.rs:717:33
[INFO] [stdout]     |
[INFO] [stdout] 717 |   let mut generics: Punctuated<&ToTokens, Comma> = Punctuated::new();
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 717 |   let mut generics: Punctuated<&dyn ToTokens, Comma> = Punctuated::new();
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |   ReadOnly(Span),
[INFO] [stdout]    |   -------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 19 |   ReadOnly(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |   ReadWrite(Span),
[INFO] [stdout]    |   --------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 20 |   ReadWrite(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |   Nullable(Span),
[INFO] [stdout]    |   -------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 24 |   Nullable(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |   Nonnull(Span),
[INFO] [stdout]    |   ------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 25 |   Nonnull(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |   Unspecified(Span),
[INFO] [stdout]    |   ----------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 26 |   Unspecified(()),
[INFO] [stdout]    |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |   Weak(Span),
[INFO] [stdout]    |   ---- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 30 |   Weak(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |   Strong(Span),
[INFO] [stdout]    |   ------ ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 31 |   Strong(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 |   Atomic(Span),
[INFO] [stdout]    |   ------ ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 35 |   Atomic(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |   Nonatomic(Span),
[INFO] [stdout]    |   --------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 36 |   Nonatomic(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty`, `nullability`, `weak_strong`, `atomicity`, `retain`, and `null_resettable` are never read
[INFO] [stdout]   --> src/property.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct PropertyAttr {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 47 |   pub name: Ident,
[INFO] [stdout] 48 |   pub ty: Type,
[INFO] [stdout]    |       ^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |   pub nullability: Option<Nullability>,
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 52 |   pub weak_strong: Option<WeakStrong>,
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 53 |   pub atomicity: Option<Atomicity>,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 54 |   pub retain: Option<Span>,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 55 |   pub null_resettable: Option<Span>,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/protocol.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct ProtocolAttr {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 27 |   pub name: Option<LitStr>,
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `Command { std: "docker" "inspect" "33237fed3ae33e7bc6ca2cba9b1459e4aca636ca765926379ea5d73a02bc757b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33237fed3ae33e7bc6ca2cba9b1459e4aca636ca765926379ea5d73a02bc757b", kill_on_drop: false }`
[INFO] [stdout] 33237fed3ae33e7bc6ca2cba9b1459e4aca636ca765926379ea5d73a02bc757b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6631f6898b0419c9e1eeacefc56c75566077e878b4b77bdc927a1719de0bb226
[INFO] running `Command { std: "docker" "start" "-a" "6631f6898b0419c9e1eeacefc56c75566077e878b4b77bdc927a1719de0bb226", kill_on_drop: false }`
[INFO] [stderr]    Compiling objrs_macros v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:346:7
[INFO] [stdout]     |
[INFO] [stdout] 346 | #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:351:11
[INFO] [stdout]     |
[INFO] [stdout] 351 | #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:356:7
[INFO] [stdout]     |
[INFO] [stdout] 356 | #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:362:11
[INFO] [stdout]     |
[INFO] [stdout] 362 | #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:394:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |   #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:401:13
[INFO] [stdout]     |
[INFO] [stdout] 401 |   #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:346:7
[INFO] [stdout]     |
[INFO] [stdout] 346 | #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 410 |   #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:417:13
[INFO] [stdout]     |
[INFO] [stdout] 417 |   #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:351:11
[INFO] [stdout]     |
[INFO] [stdout] 351 | #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:426:9
[INFO] [stdout]     |
[INFO] [stdout] 426 |   #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:356:7
[INFO] [stdout]     |
[INFO] [stdout] 356 | #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:433:13
[INFO] [stdout]     |
[INFO] [stdout] 433 |   #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:362:11
[INFO] [stdout]     |
[INFO] [stdout] 362 | #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:442:9
[INFO] [stdout]     |
[INFO] [stdout] 442 |   #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:451:13
[INFO] [stdout]     |
[INFO] [stdout] 451 |   #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:394:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |   #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:401:13
[INFO] [stdout]     |
[INFO] [stdout] 401 |   #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 410 |   #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:417:13
[INFO] [stdout]     |
[INFO] [stdout] 417 |   #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:426:9
[INFO] [stdout]     |
[INFO] [stdout] 426 |   #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:433:13
[INFO] [stdout]     |
[INFO] [stdout] 433 |   #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:442:9
[INFO] [stdout]     |
[INFO] [stdout] 442 |   #[cfg(procmacro2_semver_exempt)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stdout]    --> src/util.rs:451:13
[INFO] [stdout]     |
[INFO] [stdout] 451 |   #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/gensym.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 |   let mut buf = unsafe { core::mem::uninitialized() };
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/selector.rs:361:12
[INFO] [stdout]     |
[INFO] [stdout] 361 |   inline: &ToTokens,
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 361 |   inline: &dyn ToTokens,
[INFO] [stdout]     |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/gensym.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 |   let mut buf = unsafe { core::mem::uninitialized() };
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/selector.rs:361:12
[INFO] [stdout]     |
[INFO] [stdout] 361 |   inline: &ToTokens,
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 361 |   inline: &dyn ToTokens,
[INFO] [stdout]     |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/class.rs:273:39
[INFO] [stdout]     |
[INFO] [stdout] 273 |   let mut generic_idents: Punctuated<&ToTokens, Comma> = Punctuated::new();
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 273 |   let mut generic_idents: Punctuated<&dyn ToTokens, Comma> = Punctuated::new();
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/class.rs:273:39
[INFO] [stdout]     |
[INFO] [stdout] 273 |   let mut generic_idents: Punctuated<&ToTokens, Comma> = Punctuated::new();
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 273 |   let mut generic_idents: Punctuated<&dyn ToTokens, Comma> = Punctuated::new();
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/protocol.rs:309:39
[INFO] [stdout]     |
[INFO] [stdout] 309 |   let mut generic_idents: Punctuated<&ToTokens, syn::token::Comma> = Punctuated::new();
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 309 |   let mut generic_idents: Punctuated<&dyn ToTokens, syn::token::Comma> = Punctuated::new();
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/protocol.rs:309:39
[INFO] [stdout]     |
[INFO] [stdout] 309 |   let mut generic_idents: Punctuated<&ToTokens, syn::token::Comma> = Punctuated::new();
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 309 |   let mut generic_idents: Punctuated<&dyn ToTokens, syn::token::Comma> = Punctuated::new();
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/selector.rs:717:33
[INFO] [stdout]     |
[INFO] [stdout] 717 |   let mut generics: Punctuated<&ToTokens, Comma> = Punctuated::new();
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 717 |   let mut generics: Punctuated<&dyn ToTokens, Comma> = Punctuated::new();
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/selector.rs:717:33
[INFO] [stdout]     |
[INFO] [stdout] 717 |   let mut generics: Punctuated<&ToTokens, Comma> = Punctuated::new();
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 717 |   let mut generics: Punctuated<&dyn ToTokens, Comma> = Punctuated::new();
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |   ReadOnly(Span),
[INFO] [stdout]    |   -------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 19 |   ReadOnly(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |   ReadWrite(Span),
[INFO] [stdout]    |   --------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 20 |   ReadWrite(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |   Nullable(Span),
[INFO] [stdout]    |   -------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 24 |   Nullable(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |   Nonnull(Span),
[INFO] [stdout]    |   ------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 25 |   Nonnull(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |   Unspecified(Span),
[INFO] [stdout]    |   ----------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 26 |   Unspecified(()),
[INFO] [stdout]    |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |   Weak(Span),
[INFO] [stdout]    |   ---- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 30 |   Weak(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |   Strong(Span),
[INFO] [stdout]    |   ------ ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 31 |   Strong(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 |   Atomic(Span),
[INFO] [stdout]    |   ------ ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 35 |   Atomic(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |   Nonatomic(Span),
[INFO] [stdout]    |   --------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 36 |   Nonatomic(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty`, `nullability`, `weak_strong`, `atomicity`, `retain`, and `null_resettable` are never read
[INFO] [stdout]   --> src/property.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct PropertyAttr {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 47 |   pub name: Ident,
[INFO] [stdout] 48 |   pub ty: Type,
[INFO] [stdout]    |       ^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |   pub nullability: Option<Nullability>,
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 52 |   pub weak_strong: Option<WeakStrong>,
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 53 |   pub atomicity: Option<Atomicity>,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 54 |   pub retain: Option<Span>,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 55 |   pub null_resettable: Option<Span>,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/protocol.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct ProtocolAttr {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 27 |   pub name: Option<LitStr>,
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |   ReadOnly(Span),
[INFO] [stdout]    |   -------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 19 |   ReadOnly(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |   ReadWrite(Span),
[INFO] [stdout]    |   --------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 20 |   ReadWrite(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |   Nullable(Span),
[INFO] [stdout]    |   -------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 24 |   Nullable(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |   Nonnull(Span),
[INFO] [stdout]    |   ------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 25 |   Nonnull(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |   Unspecified(Span),
[INFO] [stdout]    |   ----------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 26 |   Unspecified(()),
[INFO] [stdout]    |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |   Weak(Span),
[INFO] [stdout]    |   ---- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 30 |   Weak(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |   Strong(Span),
[INFO] [stdout]    |   ------ ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 31 |   Strong(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 |   Atomic(Span),
[INFO] [stdout]    |   ------ ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 35 |   Atomic(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/property.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |   Nonatomic(Span),
[INFO] [stdout]    |   --------- ^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[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] 36 |   Nonatomic(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty`, `nullability`, `weak_strong`, `atomicity`, `retain`, and `null_resettable` are never read
[INFO] [stdout]   --> src/property.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct PropertyAttr {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 47 |   pub name: Ident,
[INFO] [stdout] 48 |   pub ty: Type,
[INFO] [stdout]    |       ^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |   pub nullability: Option<Nullability>,
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 52 |   pub weak_strong: Option<WeakStrong>,
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 53 |   pub atomicity: Option<Atomicity>,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 54 |   pub retain: Option<Span>,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 55 |   pub null_resettable: Option<Span>,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/protocol.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct ProtocolAttr {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 27 |   pub name: Option<LitStr>,
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "6631f6898b0419c9e1eeacefc56c75566077e878b4b77bdc927a1719de0bb226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6631f6898b0419c9e1eeacefc56c75566077e878b4b77bdc927a1719de0bb226", kill_on_drop: false }`
[INFO] [stdout] 6631f6898b0419c9e1eeacefc56c75566077e878b4b77bdc927a1719de0bb226
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e94b183b8ef573200d417ae739fa02205693016b41ef84f10c88fef9761ec66
[INFO] running `Command { std: "docker" "start" "-a" "8e94b183b8ef573200d417ae739fa02205693016b41ef84f10c88fef9761ec66", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stderr]    --> src/util.rs:346:7
[INFO] [stderr]     |
[INFO] [stderr] 346 | #[cfg(procmacro2_semver_exempt)]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stderr]    --> src/util.rs:351:11
[INFO] [stderr]     |
[INFO] [stderr] 351 | #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stderr]    --> src/util.rs:356:7
[INFO] [stderr]     |
[INFO] [stderr] 356 | #[cfg(procmacro2_semver_exempt)]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stderr]    --> src/util.rs:362:11
[INFO] [stderr]     |
[INFO] [stderr] 362 | #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stderr]    --> src/util.rs:394:9
[INFO] [stderr]     |
[INFO] [stderr] 394 |   #[cfg(procmacro2_semver_exempt)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stderr]    --> src/util.rs:401:13
[INFO] [stderr]     |
[INFO] [stderr] 401 |   #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stderr]    --> src/util.rs:410:9
[INFO] [stderr]     |
[INFO] [stderr] 410 |   #[cfg(procmacro2_semver_exempt)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stderr]    --> src/util.rs:417:13
[INFO] [stderr]     |
[INFO] [stderr] 417 |   #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stderr]    --> src/util.rs:426:9
[INFO] [stderr]     |
[INFO] [stderr] 426 |   #[cfg(procmacro2_semver_exempt)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stderr]    --> src/util.rs:433:13
[INFO] [stderr]     |
[INFO] [stderr] 433 |   #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stderr]    --> src/util.rs:442:9
[INFO] [stderr]     |
[INFO] [stderr] 442 |   #[cfg(procmacro2_semver_exempt)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `procmacro2_semver_exempt`
[INFO] [stderr]    --> src/util.rs:451:13
[INFO] [stderr]     |
[INFO] [stderr] 451 |   #[cfg(not(procmacro2_semver_exempt))]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(procmacro2_semver_exempt)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/gensym.rs:16:37
[INFO] [stderr]    |
[INFO] [stderr] 16 |   let mut buf = unsafe { core::mem::uninitialized() };
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/selector.rs:361:12
[INFO] [stderr]     |
[INFO] [stderr] 361 |   inline: &ToTokens,
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 361 |   inline: &dyn ToTokens,
[INFO] [stderr]     |            +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/class.rs:273:39
[INFO] [stderr]     |
[INFO] [stderr] 273 |   let mut generic_idents: Punctuated<&ToTokens, Comma> = Punctuated::new();
[INFO] [stderr]     |                                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 273 |   let mut generic_idents: Punctuated<&dyn ToTokens, Comma> = Punctuated::new();
[INFO] [stderr]     |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/protocol.rs:309:39
[INFO] [stderr]     |
[INFO] [stderr] 309 |   let mut generic_idents: Punctuated<&ToTokens, syn::token::Comma> = Punctuated::new();
[INFO] [stderr]     |                                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 309 |   let mut generic_idents: Punctuated<&dyn ToTokens, syn::token::Comma> = Punctuated::new();
[INFO] [stderr]     |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/selector.rs:717:33
[INFO] [stderr]     |
[INFO] [stderr] 717 |   let mut generics: Punctuated<&ToTokens, Comma> = Punctuated::new();
[INFO] [stderr]     |                                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 717 |   let mut generics: Punctuated<&dyn ToTokens, Comma> = Punctuated::new();
[INFO] [stderr]     |                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/property.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |   ReadOnly(Span),
[INFO] [stderr]    |   -------- ^^^^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 19 |   ReadOnly(()),
[INFO] [stderr]    |            ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/property.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |   ReadWrite(Span),
[INFO] [stderr]    |   --------- ^^^^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 20 |   ReadWrite(()),
[INFO] [stderr]    |             ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/property.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |   Nullable(Span),
[INFO] [stderr]    |   -------- ^^^^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 24 |   Nullable(()),
[INFO] [stderr]    |            ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/property.rs:25:11
[INFO] [stderr]    |
[INFO] [stderr] 25 |   Nonnull(Span),
[INFO] [stderr]    |   ------- ^^^^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 25 |   Nonnull(()),
[INFO] [stderr]    |           ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/property.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 |   Unspecified(Span),
[INFO] [stderr]    |   ----------- ^^^^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 26 |   Unspecified(()),
[INFO] [stderr]    |               ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/property.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 |   Weak(Span),
[INFO] [stderr]    |   ---- ^^^^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 30 |   Weak(()),
[INFO] [stderr]    |        ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/property.rs:31:10
[INFO] [stderr]    |
[INFO] [stderr] 31 |   Strong(Span),
[INFO] [stderr]    |   ------ ^^^^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 31 |   Strong(()),
[INFO] [stderr]    |          ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/property.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 |   Atomic(Span),
[INFO] [stderr]    |   ------ ^^^^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 35 |   Atomic(()),
[INFO] [stderr]    |          ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/property.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |   Nonatomic(Span),
[INFO] [stderr]    |   --------- ^^^^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 36 |   Nonatomic(()),
[INFO] [stderr]    |             ~~
[INFO] [stderr] 
[INFO] [stderr] warning: fields `ty`, `nullability`, `weak_strong`, `atomicity`, `retain`, and `null_resettable` are never read
[INFO] [stderr]   --> src/property.rs:48:7
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub struct PropertyAttr {
[INFO] [stderr]    |            ------------ fields in this struct
[INFO] [stderr] 47 |   pub name: Ident,
[INFO] [stderr] 48 |   pub ty: Type,
[INFO] [stderr]    |       ^^
[INFO] [stderr] ...
[INFO] [stderr] 51 |   pub nullability: Option<Nullability>,
[INFO] [stderr]    |       ^^^^^^^^^^^
[INFO] [stderr] 52 |   pub weak_strong: Option<WeakStrong>,
[INFO] [stderr]    |       ^^^^^^^^^^^
[INFO] [stderr] 53 |   pub atomicity: Option<Atomicity>,
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr] 54 |   pub retain: Option<Span>,
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr] 55 |   pub null_resettable: Option<Span>,
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/protocol.rs:27:7
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub struct ProtocolAttr {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] 27 |   pub name: Option<LitStr>,
[INFO] [stderr]    |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `objrs_macros` (lib) generated 28 warnings (run `cargo fix --lib -p objrs_macros` to apply 4 suggestions)
[INFO] [stderr] warning: `objrs_macros` (lib test) generated 28 warnings (28 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/objrs_macros-f0367cb4c9e6dde6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] thread 'util::drain_test' panicked at library/core/src/panicking.rs:219:5:
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked_mut requires that the index is within the slice
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f05db7ce9e5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]    1:     0x7f05db7ce9e5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7f05db7ce9e5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]    3:     0x7f05db7ce9e5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x7f05db81db9b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]    5:     0x7f05db81db9b - core::fmt::write::h8bcd80919a02be29
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stderr]    6:     0x7f05db7c377f - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stderr]    7:     0x7f05db7ce7be - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    8:     0x7f05db7ce7be - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    9:     0x7f05db7d11b9 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stderr]   10:     0x7f05db7d0efd - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stderr]   11:     0x55c9c5084efa - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   12:     0x55c9c5084efa - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stderr]   13:     0x7f05db7d18eb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   14:     0x7f05db7d18eb - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stderr]   15:     0x7f05db7d162b - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:656:13
[INFO] [stderr]   16:     0x7f05db7ceea9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]   17:     0x7f05db7d1397 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stderr]   18:     0x7f05db81a1c0 - core::panicking::panic_nounwind_fmt::runtime::h4b9f1774825d29a1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:110:18
[INFO] [stderr]   19:     0x7f05db81a1c0 - core::panicking::panic_nounwind_fmt::h7f70629ab29f76f1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:120:5
[INFO] [stderr]   20:     0x7f05db81a252 - core::panicking::panic_nounwind::hde0018e2d22904b7
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:219:5
[INFO] [stderr]   21:     0x55c9c504a828 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked_mut::precondition_check::hfbadbc42c11c2ad8
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ub_checks.rs:68:21
[INFO] [stderr]   22:     0x55c9c504a7dd - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked_mut::h9b1830198bfb452c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ub_checks.rs:75:17
[INFO] [stderr]   23:     0x55c9c504f988 - core::slice::<impl [T]>::get_unchecked_mut::h11f803dba2760532
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/slice/mod.rs:728:24
[INFO] [stderr]   24:     0x55c9c504bd42 - <objrs_macros::util::Drain<T,F> as core::iter::traits::iterator::Iterator>::next::he07d565ff3ac8696
[INFO] [stderr]                                at /opt/rustwide/workdir/src/util.rs:528:30
[INFO] [stderr]   25:     0x55c9c504e24f - <alloc::vec::Vec<T> as alloc::vec::spec_from_iter_nested::SpecFromIterNested<T,I>>::from_iter::h14da20034749748e
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/vec/spec_from_iter_nested.rs:26:32
[INFO] [stderr]   26:     0x55c9c50513cd - <alloc::vec::Vec<T> as alloc::vec::spec_from_iter::SpecFromIter<T,I>>::from_iter::ha0f81483da78fc38
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/vec/spec_from_iter.rs:33:9
[INFO] [stderr]   27:     0x55c9c50512c7 - <alloc::vec::Vec<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::hfc285b859cc42b2c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/vec/mod.rs:2972:9
[INFO] [stderr]   28:     0x55c9c5048b5d - core::iter::traits::iterator::Iterator::collect::hcf9c601c75a1b645
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/iter/traits/iterator.rs:2005:9
[INFO] [stderr]   29:     0x55c9c504ca66 - objrs_macros::util::drain_test::hf48e2c41be2f9a61
[INFO] [stderr]                                at /opt/rustwide/workdir/src/util.rs:582:11
[INFO] [stderr]   30:     0x55c9c504c977 - objrs_macros::util::drain_test::{{closure}}::h21bcdbf1907e55fb
[INFO] [stderr]                                at /opt/rustwide/workdir/src/util.rs:580:16
[INFO] [stderr]   31:     0x55c9c504f4d6 - core::ops::function::FnOnce::call_once::h0adac6a196470051
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   32:     0x55c9c50898db - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   33:     0x55c9c50898db - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stderr]   34:     0x55c9c5088fe1 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stderr]   35:     0x55c9c5088fe1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   36:     0x55c9c5088fe1 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stderr]   37:     0x55c9c5088fe1 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stderr]   38:     0x55c9c5088fe1 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stderr]   39:     0x55c9c5088fe1 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stderr]   40:     0x55c9c5088fe1 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stderr]   41:     0x55c9c50519a4 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stderr]   42:     0x55c9c50519a4 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stderr]   43:     0x55c9c50563d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stderr]   44:     0x55c9c50563d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   45:     0x55c9c50563d2 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stderr]   46:     0x55c9c50563d2 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stderr]   47:     0x55c9c50563d2 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stderr]   48:     0x55c9c50563d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stderr]   49:     0x55c9c50563d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   50:     0x7f05db7db78b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   51:     0x7f05db7db78b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   52:     0x7f05db7db78b - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stderr]   53:     0x7f05db8d6ac3 - <unknown>
[INFO] [stderr]   54:     0x7f05db967a04 - __clone
[INFO] [stderr]   55:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/objrs_macros-f0367cb4c9e6dde6` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "8e94b183b8ef573200d417ae739fa02205693016b41ef84f10c88fef9761ec66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e94b183b8ef573200d417ae739fa02205693016b41ef84f10c88fef9761ec66", kill_on_drop: false }`
[INFO] [stdout] 8e94b183b8ef573200d417ae739fa02205693016b41ef84f10c88fef9761ec66
