[INFO] fetching crate futures-await-syn 0.12.0...
[INFO] checking futures-await-syn-0.12.0 against 1.95.0 for pr-155915
[INFO] extracting crate futures-await-syn 0.12.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate futures-await-syn 0.12.0
[INFO] finished tweaking crates.io crate futures-await-syn 0.12.0
[INFO] tweaked toml for crates.io crate futures-await-syn 0.12.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-await-syn 0.12.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages to latest compatible versions
[INFO] [stderr]       Adding error-chain v0.10.0 (available: v0.12.4)
[INFO] [stderr]       Adding proc-macro2 v0.1.10 (available: v1.0.106)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (available: v0.2.6)
[INFO] [stderr]       Adding walkdir v1.0.7 (available: v2.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded extprim v1.7.1
[INFO] [stderr]   Downloaded futures-await-quote v0.4.0
[INFO] [stderr]   Downloaded syntex_errors v0.59.1
[INFO] [stderr]   Downloaded syntex_pos v0.59.1
[INFO] [stderr]   Downloaded proc-macro2 v0.1.10
[INFO] [stderr]   Downloaded walkdir v1.0.7
[INFO] [stderr]   Downloaded futures-await-synom v0.12.0
[INFO] [stderr]   Downloaded same-file v0.1.3
[INFO] [stderr]   Downloaded syntex_syntax v0.59.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29e6e9403b4033e83679922301d72608707234b1de3ef731e21050399b8754b6
[INFO] running `Command { std: "docker" "start" "-a" "29e6e9403b4033e83679922301d72608707234b1de3ef731e21050399b8754b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29e6e9403b4033e83679922301d72608707234b1de3ef731e21050399b8754b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e6e9403b4033e83679922301d72608707234b1de3ef731e21050399b8754b6", kill_on_drop: false }`
[INFO] [stdout] 29e6e9403b4033e83679922301d72608707234b1de3ef731e21050399b8754b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a266c6a1859f72f6c05a4b7222b90d284788b0344c6c6f0bc386bbc49170a5b
[INFO] running `Command { std: "docker" "start" "-a" "7a266c6a1859f72f6c05a4b7222b90d284788b0344c6c6f0bc386bbc49170a5b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking proc-macro2 v0.1.10
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking futures-await-quote v0.4.0
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking futures-await-synom v0.12.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking futures-await-syn v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(feature = "cargo-clippy", allow(large_enum_variant))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `clone-impls`, `default`, `extra-traits`, `fold`, `full`, `futures-await-quote`, `parsing`, `printing`, `visit`, and `visit_mut`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:861:5
[INFO] [stdout]     |
[INFO] [stdout] 861 | /     /// ```ignore
[INFO] [stdout] 862 | |     /// <and> || <and> ...
[INFO] [stdout] 863 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:866:5
[INFO] [stdout]     |
[INFO] [stdout] 866 | /     /// ```ignore
[INFO] [stdout] 867 | |     /// <compare> && <compare> ...
[INFO] [stdout] 868 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:871:5
[INFO] [stdout]     |
[INFO] [stdout] 871 | /     /// ```ignore
[INFO] [stdout] 872 | |     /// <bitor> == <bitor> ...
[INFO] [stdout] 873 | |     /// <bitor> != <bitor> ...
[INFO] [stdout] 874 | |     /// <bitor> >= <bitor> ...
[INFO] [stdout] ...   |
[INFO] [stdout] 880 | |     /// NOTE: This operator appears to be parsed as left-associative, but errors
[INFO] [stdout] 881 | |     /// if it is used in a non-associative manner.
[INFO] [stdout]     | |_____---------------------------------------------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:903:5
[INFO] [stdout]     |
[INFO] [stdout] 903 | /     /// ```ignore
[INFO] [stdout] 904 | |     /// <bitxor> | <bitxor> ...
[INFO] [stdout] 905 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:913:5
[INFO] [stdout]     |
[INFO] [stdout] 913 | /     /// ```ignore
[INFO] [stdout] 914 | |     /// <bitand> ^ <bitand> ...
[INFO] [stdout] 915 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:923:5
[INFO] [stdout]     |
[INFO] [stdout] 923 | /     /// ```ignore
[INFO] [stdout] 924 | |     /// <shift> & <shift> ...
[INFO] [stdout] 925 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:934:5
[INFO] [stdout]     |
[INFO] [stdout] 934 | /     /// ```ignore
[INFO] [stdout] 935 | |     /// <arith> << <arith> ...
[INFO] [stdout] 936 | |     /// <arith> >> <arith> ...
[INFO] [stdout] 937 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:944:5
[INFO] [stdout]     |
[INFO] [stdout] 944 | /     /// ```ignore
[INFO] [stdout] 945 | |     /// <term> + <term> ...
[INFO] [stdout] 946 | |     /// <term> - <term> ...
[INFO] [stdout] 947 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:954:5
[INFO] [stdout]     |
[INFO] [stdout] 954 | /     /// ```ignore
[INFO] [stdout] 955 | |     /// <cast> * <cast> ...
[INFO] [stdout] 956 | |     /// <cast> / <cast> ...
[INFO] [stdout] 957 | |     /// <cast> % <cast> ...
[INFO] [stdout] 958 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:967:5
[INFO] [stdout]     |
[INFO] [stdout] 967 | /     /// ```ignore
[INFO] [stdout] 968 | |     /// <unary> as <ty>
[INFO] [stdout] 969 | |     /// <unary> : <ty>
[INFO] [stdout] 970 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ty.rs:350:9
[INFO] [stdout]     |
[INFO] [stdout] 350 | /         /// In some positions, types may not contain the `+` character, to
[INFO] [stdout] 351 | |         /// disambiguate them. For example in the expression `1 as T`, T may not
[INFO] [stdout] 352 | |         /// contain a `+` character.
[INFO] [stdout] 353 | |         ///
[INFO] [stdout] 354 | |         /// This parser does not allow a `+`, while the default parser does.
[INFO] [stdout]     | |_________-------------------------------------------------------------------^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gen::*`
[INFO] [stdout]    --> src/lib.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub use gen::*;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking syntex_pos v0.59.1
[INFO] [stdout] warning: method `inner` is never used
[INFO] [stdout]    --> src/attr.rs:263:8
[INFO] [stdout]     |
[INFO] [stdout] 259 | pub trait FilterAttrs<'a> {
[INFO] [stdout]     |           ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 263 |     fn inner(self) -> Self::Ret;
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/generics.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn split_for_impl(&self) -> (ImplGenerics, TyGenerics, &WhereClause) {
[INFO] [stdout]    |                           ^^^^^      ^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                           |          |             |
[INFO] [stdout]    |                           |          |             the same lifetime is hidden here
[INFO] [stdout]    |                           |          the same lifetime is hidden here
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn split_for_impl(&self) -> (ImplGenerics<'_>, TyGenerics<'_>, &WhereClause) {
[INFO] [stdout]    |                                                  ++++            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/generics.rs:64:25
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn as_turbofish(&self) -> Turbofish {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn as_turbofish(&self) -> Turbofish<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lifetime.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |             panic!("{:?} is not a valid lifetime name");
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 50 |             panic!("{:?} is not a valid lifetime name", ...);
[INFO] [stdout]    |                                                       +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 50 |             panic!("{}", "{:?} is not a valid lifetime name");
[INFO] [stdout]    |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking syntex_errors v0.59.1
[INFO] [stderr]     Checking syntex_syntax v0.59.1
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(feature = "cargo-clippy", allow(large_enum_variant))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `clone-impls`, `default`, `extra-traits`, `fold`, `full`, `futures-await-quote`, `parsing`, `printing`, `visit`, and `visit_mut`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:861:5
[INFO] [stdout]     |
[INFO] [stdout] 861 | /     /// ```ignore
[INFO] [stdout] 862 | |     /// <and> || <and> ...
[INFO] [stdout] 863 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:866:5
[INFO] [stdout]     |
[INFO] [stdout] 866 | /     /// ```ignore
[INFO] [stdout] 867 | |     /// <compare> && <compare> ...
[INFO] [stdout] 868 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:871:5
[INFO] [stdout]     |
[INFO] [stdout] 871 | /     /// ```ignore
[INFO] [stdout] 872 | |     /// <bitor> == <bitor> ...
[INFO] [stdout] 873 | |     /// <bitor> != <bitor> ...
[INFO] [stdout] 874 | |     /// <bitor> >= <bitor> ...
[INFO] [stdout] ...   |
[INFO] [stdout] 880 | |     /// NOTE: This operator appears to be parsed as left-associative, but errors
[INFO] [stdout] 881 | |     /// if it is used in a non-associative manner.
[INFO] [stdout]     | |_____---------------------------------------------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:903:5
[INFO] [stdout]     |
[INFO] [stdout] 903 | /     /// ```ignore
[INFO] [stdout] 904 | |     /// <bitxor> | <bitxor> ...
[INFO] [stdout] 905 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:913:5
[INFO] [stdout]     |
[INFO] [stdout] 913 | /     /// ```ignore
[INFO] [stdout] 914 | |     /// <bitand> ^ <bitand> ...
[INFO] [stdout] 915 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:923:5
[INFO] [stdout]     |
[INFO] [stdout] 923 | /     /// ```ignore
[INFO] [stdout] 924 | |     /// <shift> & <shift> ...
[INFO] [stdout] 925 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:934:5
[INFO] [stdout]     |
[INFO] [stdout] 934 | /     /// ```ignore
[INFO] [stdout] 935 | |     /// <arith> << <arith> ...
[INFO] [stdout] 936 | |     /// <arith> >> <arith> ...
[INFO] [stdout] 937 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:944:5
[INFO] [stdout]     |
[INFO] [stdout] 944 | /     /// ```ignore
[INFO] [stdout] 945 | |     /// <term> + <term> ...
[INFO] [stdout] 946 | |     /// <term> - <term> ...
[INFO] [stdout] 947 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:954:5
[INFO] [stdout]     |
[INFO] [stdout] 954 | /     /// ```ignore
[INFO] [stdout] 955 | |     /// <cast> * <cast> ...
[INFO] [stdout] 956 | |     /// <cast> / <cast> ...
[INFO] [stdout] 957 | |     /// <cast> % <cast> ...
[INFO] [stdout] 958 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:967:5
[INFO] [stdout]     |
[INFO] [stdout] 967 | /     /// ```ignore
[INFO] [stdout] 968 | |     /// <unary> as <ty>
[INFO] [stdout] 969 | |     /// <unary> : <ty>
[INFO] [stdout] 970 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ty.rs:350:9
[INFO] [stdout]     |
[INFO] [stdout] 350 | /         /// In some positions, types may not contain the `+` character, to
[INFO] [stdout] 351 | |         /// disambiguate them. For example in the expression `1 as T`, T may not
[INFO] [stdout] 352 | |         /// contain a `+` character.
[INFO] [stdout] 353 | |         ///
[INFO] [stdout] 354 | |         /// This parser does not allow a `+`, while the default parser does.
[INFO] [stdout]     | |_________-------------------------------------------------------------------^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gen::*`
[INFO] [stdout]    --> src/lib.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub use gen::*;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inner` is never used
[INFO] [stdout]    --> src/attr.rs:263:8
[INFO] [stdout]     |
[INFO] [stdout] 259 | pub trait FilterAttrs<'a> {
[INFO] [stdout]     |           ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 263 |     fn inner(self) -> Self::Ret;
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/generics.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn split_for_impl(&self) -> (ImplGenerics, TyGenerics, &WhereClause) {
[INFO] [stdout]    |                           ^^^^^      ^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                           |          |             |
[INFO] [stdout]    |                           |          |             the same lifetime is hidden here
[INFO] [stdout]    |                           |          the same lifetime is hidden here
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn split_for_impl(&self) -> (ImplGenerics<'_>, TyGenerics<'_>, &WhereClause) {
[INFO] [stdout]    |                                                  ++++            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/generics.rs:64:25
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn as_turbofish(&self) -> Turbofish {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn as_turbofish(&self) -> Turbofish<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lifetime.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |             panic!("{:?} is not a valid lifetime name");
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 50 |             panic!("{:?} is not a valid lifetime name", ...);
[INFO] [stdout]    |                                                       +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 50 |             panic!("{}", "{:?} is not a valid lifetime name");
[INFO] [stdout]    |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `Command { std: "docker" "inspect" "7a266c6a1859f72f6c05a4b7222b90d284788b0344c6c6f0bc386bbc49170a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a266c6a1859f72f6c05a4b7222b90d284788b0344c6c6f0bc386bbc49170a5b", kill_on_drop: false }`
[INFO] [stdout] 7a266c6a1859f72f6c05a4b7222b90d284788b0344c6c6f0bc386bbc49170a5b
