[INFO] fetching crate futures-await-syn 0.12.0...
[INFO] testing futures-await-syn-0.12.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate futures-await-syn 0.12.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate futures-await-syn 0.12.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-await-synom v0.12.0
[INFO] [stderr]   Downloaded proc-macro2 v0.1.10
[INFO] [stderr]   Downloaded futures-await-quote v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95ba9eb688cd0c73cd188d2044b4f76430ed9ffb270e2904add18597103121d4
[INFO] running `Command { std: "docker" "start" "-a" "95ba9eb688cd0c73cd188d2044b4f76430ed9ffb270e2904add18597103121d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95ba9eb688cd0c73cd188d2044b4f76430ed9ffb270e2904add18597103121d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ba9eb688cd0c73cd188d2044b4f76430ed9ffb270e2904add18597103121d4", kill_on_drop: false }`
[INFO] [stdout] 95ba9eb688cd0c73cd188d2044b4f76430ed9ffb270e2904add18597103121d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d891e6a62c49f77b2cea36bbe647eabde6420a75828c6d6acd7ad8beb7f6bc7
[INFO] running `Command { std: "docker" "start" "-a" "3d891e6a62c49f77b2cea36bbe647eabde6420a75828c6d6acd7ad8beb7f6bc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.1.10
[INFO] [stderr]    Compiling futures-await-quote v0.4.0
[INFO] [stderr]    Compiling futures-await-synom v0.12.0
[INFO] [stderr]    Compiling futures-await-syn v0.12.0 (/opt/rustwide/workdir)
[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)]` 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: 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: `#[warn(non_fmt_panics)]` 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] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "3d891e6a62c49f77b2cea36bbe647eabde6420a75828c6d6acd7ad8beb7f6bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d891e6a62c49f77b2cea36bbe647eabde6420a75828c6d6acd7ad8beb7f6bc7", kill_on_drop: false }`
[INFO] [stdout] 3d891e6a62c49f77b2cea36bbe647eabde6420a75828c6d6acd7ad8beb7f6bc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf498996e0ce88f0861f20abc2d95d909a59da44b11bbb822133f826b8e43dbc
[INFO] running `Command { std: "docker" "start" "-a" "cf498996e0ce88f0861f20abc2d95d909a59da44b11bbb822133f826b8e43dbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling same-file v0.1.3
[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)]` 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: 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: `#[warn(non_fmt_panics)]` 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] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling object v0.30.3
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling syntex_pos v0.59.1
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling syntex_errors v0.59.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling syntex_syntax v0.59.1
[INFO] [stderr]    Compiling futures-await-syn v0.12.0 (/opt/rustwide/workdir)
[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)]` 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: 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: `#[warn(non_fmt_panics)]` 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] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.54s
[INFO] running `Command { std: "docker" "inspect" "cf498996e0ce88f0861f20abc2d95d909a59da44b11bbb822133f826b8e43dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf498996e0ce88f0861f20abc2d95d909a59da44b11bbb822133f826b8e43dbc", kill_on_drop: false }`
[INFO] [stdout] cf498996e0ce88f0861f20abc2d95d909a59da44b11bbb822133f826b8e43dbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9ccd3ad5a8da5a37d8703b097ebed4fb5b1928e13b2fcbaf3cb3063adaed8c9
[INFO] running `Command { std: "docker" "start" "-a" "e9ccd3ad5a8da5a37d8703b097ebed4fb5b1928e13b2fcbaf3cb3063adaed8c9", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/expr.rs:861:5
[INFO] [stderr]     |
[INFO] [stderr] 861 | /     /// ```ignore
[INFO] [stderr] 862 | |     /// <and> || <and> ...
[INFO] [stderr] 863 | |     /// ```
[INFO] [stderr]     | |_____------^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/expr.rs:866:5
[INFO] [stderr]     |
[INFO] [stderr] 866 | /     /// ```ignore
[INFO] [stderr] 867 | |     /// <compare> && <compare> ...
[INFO] [stderr] 868 | |     /// ```
[INFO] [stderr]     | |_____------^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/expr.rs:871:5
[INFO] [stderr]     |
[INFO] [stderr] 871 | /     /// ```ignore
[INFO] [stderr] 872 | |     /// <bitor> == <bitor> ...
[INFO] [stderr] 873 | |     /// <bitor> != <bitor> ...
[INFO] [stderr] 874 | |     /// <bitor> >= <bitor> ...
[INFO] [stderr] ...   |
[INFO] [stderr] 880 | |     /// NOTE: This operator appears to be parsed as left-associative, but errors
[INFO] [stderr] 881 | |     /// if it is used in a non-associative manner.
[INFO] [stderr]     | |_____---------------------------------------------^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/expr.rs:903:5
[INFO] [stderr]     |
[INFO] [stderr] 903 | /     /// ```ignore
[INFO] [stderr] 904 | |     /// <bitxor> | <bitxor> ...
[INFO] [stderr] 905 | |     /// ```
[INFO] [stderr]     | |_____------^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/expr.rs:913:5
[INFO] [stderr]     |
[INFO] [stderr] 913 | /     /// ```ignore
[INFO] [stderr] 914 | |     /// <bitand> ^ <bitand> ...
[INFO] [stderr] 915 | |     /// ```
[INFO] [stderr]     | |_____------^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/expr.rs:923:5
[INFO] [stderr]     |
[INFO] [stderr] 923 | /     /// ```ignore
[INFO] [stderr] 924 | |     /// <shift> & <shift> ...
[INFO] [stderr] 925 | |     /// ```
[INFO] [stderr]     | |_____------^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/expr.rs:934:5
[INFO] [stderr]     |
[INFO] [stderr] 934 | /     /// ```ignore
[INFO] [stderr] 935 | |     /// <arith> << <arith> ...
[INFO] [stderr] 936 | |     /// <arith> >> <arith> ...
[INFO] [stderr] 937 | |     /// ```
[INFO] [stderr]     | |_____------^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/expr.rs:944:5
[INFO] [stderr]     |
[INFO] [stderr] 944 | /     /// ```ignore
[INFO] [stderr] 945 | |     /// <term> + <term> ...
[INFO] [stderr] 946 | |     /// <term> - <term> ...
[INFO] [stderr] 947 | |     /// ```
[INFO] [stderr]     | |_____------^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/expr.rs:954:5
[INFO] [stderr]     |
[INFO] [stderr] 954 | /     /// ```ignore
[INFO] [stderr] 955 | |     /// <cast> * <cast> ...
[INFO] [stderr] 956 | |     /// <cast> / <cast> ...
[INFO] [stderr] 957 | |     /// <cast> % <cast> ...
[INFO] [stderr] 958 | |     /// ```
[INFO] [stderr]     | |_____------^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/expr.rs:967:5
[INFO] [stderr]     |
[INFO] [stderr] 967 | /     /// ```ignore
[INFO] [stderr] 968 | |     /// <unary> as <ty>
[INFO] [stderr] 969 | |     /// <unary> : <ty>
[INFO] [stderr] 970 | |     /// ```
[INFO] [stderr]     | |_____------^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/ty.rs:350:9
[INFO] [stderr]     |
[INFO] [stderr] 350 | /         /// In some positions, types may not contain the `+` character, to
[INFO] [stderr] 351 | |         /// disambiguate them. For example in the expression `1 as T`, T may not
[INFO] [stderr] 352 | |         /// contain a `+` character.
[INFO] [stderr] 353 | |         ///
[INFO] [stderr] 354 | |         /// This parser does not allow a `+`, while the default parser does.
[INFO] [stderr]     | |_________-------------------------------------------------------------------^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]   --> src/lifetime.rs:50:21
[INFO] [stderr]    |
[INFO] [stderr] 50 |             panic!("{:?} is not a valid lifetime name");
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]    |
[INFO] [stderr] 50 |             panic!("{:?} is not a valid lifetime name", ...);
[INFO] [stderr]    |                                                       +++++
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]    |
[INFO] [stderr] 50 |             panic!("{}", "{:?} is not a valid lifetime name");
[INFO] [stderr]    |                    +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `futures-await-syn` (lib) generated 12 warnings (run `cargo fix --lib -p futures-await-syn` to apply 1 suggestion)
[INFO] [stderr] warning: `futures-await-syn` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_await_syn-67b218fec32b3d4f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_derive_input.rs (/opt/rustwide/target/debug/deps/test_derive_input-696993e74d52cde1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_expr.rs (/opt/rustwide/target/debug/deps/test_expr-50e2a9e60f9f4d65)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_generics.rs (/opt/rustwide/target/debug/deps/test_generics-90be4b9112555a06)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_grouping.rs (/opt/rustwide/target/debug/deps/test_grouping-dfd6c8648b451f01)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_meta_item.rs (/opt/rustwide/target/debug/deps/test_meta_item-9b6bd0adea4e0ac1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_precedence.rs (/opt/rustwide/target/debug/deps/test_precedence-44b41eedf1b1d4ad)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_round_trip.rs (/opt/rustwide/target/debug/deps/test_round_trip-160332e8ce09d6d3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_token_trees.rs (/opt/rustwide/target/debug/deps/test_token_trees-6872cea6821fc9b1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures-await-syn
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - parse (line 127) ... ignored
[INFO] [stdout] test src/ty.rs - ty::QSelf (line 248) ... ignored
[INFO] [stdout] test src/generics.rs - generics::Generics::split_for_impl (line 40) ... FAILED
[INFO] [stdout] test src/lib.rs - parse_str (line 222) ... FAILED
[INFO] [stdout] test src/lib.rs - parse_tokens (line 188) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/generics.rs - generics::Generics::split_for_impl (line 40) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/generics.rs:41:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate syn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `quote`
[INFO] [stdout]  --> src/generics.rs:43:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate quote;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote` in this scope
[INFO] [stdout]  --> src/generics.rs:48:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | quote! {
[INFO] [stdout]   | ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `quote` is imported here, but it is an unresolved item, not a macro
[INFO] [stdout]  --> src/generics.rs:43:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate quote;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - parse_str (line 222) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:223:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate syn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:230:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / error_chain! {
[INFO] [stdout] 10 | |     foreign_links {
[INFO] [stdout] 11 | |         Syn(syn::ParseError);
[INFO] [stdout] 12 | |     }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - parse_tokens (line 188) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:189:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate syn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `quote`
[INFO] [stdout]  --> src/lib.rs:194:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate quote;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote` in this scope
[INFO] [stdout]   --> src/lib.rs:205:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let code = quote!(assert_eq!(u8::max_value(), 255));
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `quote` is imported here, but it is an unresolved item, not a macro
[INFO] [stdout]   --> src/lib.rs:194:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | extern crate quote;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:198:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / error_chain! {
[INFO] [stdout] 12 | |     foreign_links {
[INFO] [stdout] 13 | |         Syn(syn::ParseError);
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/generics.rs - generics::Generics::split_for_impl (line 40)
[INFO] [stdout]     src/lib.rs - parse_str (line 222)
[INFO] [stdout]     src/lib.rs - parse_tokens (line 188)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e9ccd3ad5a8da5a37d8703b097ebed4fb5b1928e13b2fcbaf3cb3063adaed8c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ccd3ad5a8da5a37d8703b097ebed4fb5b1928e13b2fcbaf3cb3063adaed8c9", kill_on_drop: false }`
[INFO] [stdout] e9ccd3ad5a8da5a37d8703b097ebed4fb5b1928e13b2fcbaf3cb3063adaed8c9
