[INFO] fetching crate structmeta-derive 0.1.4...
[INFO] testing structmeta-derive-0.1.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate structmeta-derive 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate structmeta-derive 0.1.4 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structmeta-derive 0.1.4
[INFO] finished tweaking crates.io crate structmeta-derive 0.1.4
[INFO] tweaked toml for crates.io crate structmeta-derive 0.1.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8fce6781fc06e89cc1eb39c734288fc1cfb191420447e1794c2dd587dc15680
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b8fce6781fc06e89cc1eb39c734288fc1cfb191420447e1794c2dd587dc15680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8fce6781fc06e89cc1eb39c734288fc1cfb191420447e1794c2dd587dc15680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8fce6781fc06e89cc1eb39c734288fc1cfb191420447e1794c2dd587dc15680", kill_on_drop: false }`
[INFO] [stdout] b8fce6781fc06e89cc1eb39c734288fc1cfb191420447e1794c2dd587dc15680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78be25ab83f9ffc98d1da60094171f480f73eea2e0d30d5d8d6e6d139a0e6dc3
[INFO] running `Command { std: "docker" "start" "-a" "78be25ab83f9ffc98d1da60094171f480f73eea2e0d30d5d8d6e6d139a0e6dc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling structmeta-derive v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |         return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                          ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/parse.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             bail!("Not supported for union.")
[INFO] [stdout]    |             --------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/syn_utils.rs:7:74
[INFO] [stdout]     |
[INFO] [stdout] 7   |         return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]     |                                                                          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/parse.rs:110:14
[INFO] [stdout]     |
[INFO] [stdout] 110 |         _ => bail!(peek.span, "more than three `#[parse(peek)]` was specified."),
[INFO] [stdout]     |              ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |           return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                            ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/struct_meta.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | /         bail!(
[INFO] [stdout] 45 | |             input.span(),
[INFO] [stdout] 46 | |             "`#[derive(StructMeta)]` supports only struct."
[INFO] [stdout] 47 | |         )
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |           return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                            ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/struct_meta.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 | /                         bail!(
[INFO] [stdout] 71 | |                             span,
[INFO] [stdout] 72 | |                             "cannot use unnamed parameter after variadic parameter."
[INFO] [stdout] 73 | |                         )
[INFO] [stdout]    | |_________________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |           return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                            ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/struct_meta.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 | / ...                   bail!(
[INFO] [stdout] 82 | | ...                       span,
[INFO] [stdout] 83 | | ...                       "cannot use non optional parameter after variadic parameter."
[INFO] [stdout] 84 | | ...                   )
[INFO] [stdout]    | |_______________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |         return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                          ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/struct_meta.rs:97:25
[INFO] [stdout]    |
[INFO] [stdout] 97 |                         bail!(span, "cannot use rest parameter twice.")
[INFO] [stdout]    |                         ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/syn_utils.rs:7:74
[INFO] [stdout]     |
[INFO] [stdout] 7   |           return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]     |                                                                            ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/struct_meta.rs:330:13
[INFO] [stdout]     |
[INFO] [stdout] 330 | /             bail!(
[INFO] [stdout] 331 | |                 info.span(),
[INFO] [stdout] 332 | |                 "this field type cannot be used as unnamed parameter."
[INFO] [stdout] 333 | |             )
[INFO] [stdout]     | |_____________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]     = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |         return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                          ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/to_tokens.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             bail!("Not supported for union.")
[INFO] [stdout]    |             --------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/syn_utils.rs:13:94
[INFO] [stdout]     |
[INFO] [stdout] 13  |           return std::result::Result::Err(syn::Error::new($span, std::format!($fmt, $($arg)*)));
[INFO] [stdout]     |                                                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/to_tokens.rs:141:21
[INFO] [stdout]     |
[INFO] [stdout] 141 | /                     bail!(
[INFO] [stdout] 142 | |                         span,
[INFO] [stdout] 143 | |                         "mismatched closing delimiter expected `{}`, found `{}`.",
[INFO] [stdout] 144 | |                         close_char_of(s.delimiter),
[INFO] [stdout] 145 | |                         close_char_of(delimiter),
[INFO] [stdout] 146 | |                     )
[INFO] [stdout]     | |_____________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]     = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.71s
[INFO] running `Command { std: "docker" "inspect" "78be25ab83f9ffc98d1da60094171f480f73eea2e0d30d5d8d6e6d139a0e6dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78be25ab83f9ffc98d1da60094171f480f73eea2e0d30d5d8d6e6d139a0e6dc3", kill_on_drop: false }`
[INFO] [stdout] 78be25ab83f9ffc98d1da60094171f480f73eea2e0d30d5d8d6e6d139a0e6dc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d35ba4b03b00c6f7059ceaa8e9c8c58c54a96145e1c7e5ad1d68f705340ce408
[INFO] running `Command { std: "docker" "start" "-a" "d35ba4b03b00c6f7059ceaa8e9c8c58c54a96145e1c7e5ad1d68f705340ce408", kill_on_drop: false }`
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |         return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                          ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/parse.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             bail!("Not supported for union.")
[INFO] [stdout]    |             --------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/syn_utils.rs:7:74
[INFO] [stdout]     |
[INFO] [stdout] 7   |         return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]     |                                                                          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/parse.rs:110:14
[INFO] [stdout]     |
[INFO] [stdout] 110 |         _ => bail!(peek.span, "more than three `#[parse(peek)]` was specified."),
[INFO] [stdout]     |              ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |           return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                            ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/struct_meta.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | /         bail!(
[INFO] [stdout] 45 | |             input.span(),
[INFO] [stdout] 46 | |             "`#[derive(StructMeta)]` supports only struct."
[INFO] [stdout] 47 | |         )
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |           return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                            ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/struct_meta.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 | /                         bail!(
[INFO] [stdout] 71 | |                             span,
[INFO] [stdout] 72 | |                             "cannot use unnamed parameter after variadic parameter."
[INFO] [stdout] 73 | |                         )
[INFO] [stdout]    | |_________________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |           return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                            ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/struct_meta.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 | / ...                   bail!(
[INFO] [stdout] 82 | | ...                       span,
[INFO] [stdout] 83 | | ...                       "cannot use non optional parameter after variadic parameter."
[INFO] [stdout] 84 | | ...                   )
[INFO] [stdout]    | |_______________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling structmeta-derive v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |         return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                          ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/struct_meta.rs:97:25
[INFO] [stdout]    |
[INFO] [stdout] 97 |                         bail!(span, "cannot use rest parameter twice.")
[INFO] [stdout]    |                         ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/syn_utils.rs:7:74
[INFO] [stdout]     |
[INFO] [stdout] 7   |           return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]     |                                                                            ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/struct_meta.rs:330:13
[INFO] [stdout]     |
[INFO] [stdout] 330 | /             bail!(
[INFO] [stdout] 331 | |                 info.span(),
[INFO] [stdout] 332 | |                 "this field type cannot be used as unnamed parameter."
[INFO] [stdout] 333 | |             )
[INFO] [stdout]     | |_____________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]     = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |         return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                          ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/to_tokens.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             bail!("Not supported for union.")
[INFO] [stdout]    |             --------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/syn_utils.rs:13:94
[INFO] [stdout]     |
[INFO] [stdout] 13  |           return std::result::Result::Err(syn::Error::new($span, std::format!($fmt, $($arg)*)));
[INFO] [stdout]     |                                                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/to_tokens.rs:141:21
[INFO] [stdout]     |
[INFO] [stdout] 141 | /                     bail!(
[INFO] [stdout] 142 | |                         span,
[INFO] [stdout] 143 | |                         "mismatched closing delimiter expected `{}`, found `{}`.",
[INFO] [stdout] 144 | |                         close_char_of(s.delimiter),
[INFO] [stdout] 145 | |                         close_char_of(delimiter),
[INFO] [stdout] 146 | |                     )
[INFO] [stdout]     | |_____________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]     = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |         return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                          ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/parse.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             bail!("Not supported for union.")
[INFO] [stdout]    |             --------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/syn_utils.rs:7:74
[INFO] [stdout]     |
[INFO] [stdout] 7   |         return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]     |                                                                          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/parse.rs:110:14
[INFO] [stdout]     |
[INFO] [stdout] 110 |         _ => bail!(peek.span, "more than three `#[parse(peek)]` was specified."),
[INFO] [stdout]     |              ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |           return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                            ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/struct_meta.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | /         bail!(
[INFO] [stdout] 45 | |             input.span(),
[INFO] [stdout] 46 | |             "`#[derive(StructMeta)]` supports only struct."
[INFO] [stdout] 47 | |         )
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |           return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                            ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/struct_meta.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 | /                         bail!(
[INFO] [stdout] 71 | |                             span,
[INFO] [stdout] 72 | |                             "cannot use unnamed parameter after variadic parameter."
[INFO] [stdout] 73 | |                         )
[INFO] [stdout]    | |_________________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |           return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                            ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/struct_meta.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 | / ...                   bail!(
[INFO] [stdout] 82 | | ...                       span,
[INFO] [stdout] 83 | | ...                       "cannot use non optional parameter after variadic parameter."
[INFO] [stdout] 84 | | ...                   )
[INFO] [stdout]    | |_______________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |         return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                          ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/struct_meta.rs:97:25
[INFO] [stdout]    |
[INFO] [stdout] 97 |                         bail!(span, "cannot use rest parameter twice.")
[INFO] [stdout]    |                         ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/syn_utils.rs:7:74
[INFO] [stdout]     |
[INFO] [stdout] 7   |           return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]     |                                                                            ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/struct_meta.rs:330:13
[INFO] [stdout]     |
[INFO] [stdout] 330 | /             bail!(
[INFO] [stdout] 331 | |                 info.span(),
[INFO] [stdout] 332 | |                 "this field type cannot be used as unnamed parameter."
[INFO] [stdout] 333 | |             )
[INFO] [stdout]     | |_____________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]     = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/syn_utils.rs:7:74
[INFO] [stdout]    |
[INFO] [stdout] 7  |         return std::result::Result::Err(syn::Error::new($span, $message));
[INFO] [stdout]    |                                                                          ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/to_tokens.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             bail!("Not supported for union.")
[INFO] [stdout]    |             --------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]    = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/syn_utils.rs:13:94
[INFO] [stdout]     |
[INFO] [stdout] 13  |           return std::result::Result::Err(syn::Error::new($span, std::format!($fmt, $($arg)*)));
[INFO] [stdout]     |                                                                                                ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/to_tokens.rs:141:21
[INFO] [stdout]     |
[INFO] [stdout] 141 | /                     bail!(
[INFO] [stdout] 142 | |                         span,
[INFO] [stdout] 143 | |                         "mismatched closing delimiter expected `{}`, found `{}`.",
[INFO] [stdout] 144 | |                         close_char_of(s.delimiter),
[INFO] [stdout] 145 | |                         close_char_of(delimiter),
[INFO] [stdout] 146 | |                     )
[INFO] [stdout]     | |_____________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `bail`
[INFO] [stdout]     = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Option<&syn::Type>`
[INFO] [stdout]    --> src/struct_meta.rs:829:9
[INFO] [stdout]     |
[INFO] [stdout] 829 |           assert_eq!(
[INFO] [stdout]     |  _________^
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | |
[INFO] [stdout] 830 | |             get_option_element(&parse_quote!(Option<u8>)),
[INFO] [stdout] 831 | |             Some(&parse_quote!(u8))
[INFO] [stdout] 832 | |         );
[INFO] [stdout]     | |         ^
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | |_________Option<&syn::Type>
[INFO] [stdout]     |           Option<&syn::Type>
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `syn::Type` doesn't implement `Debug`
[INFO] [stdout]    --> src/struct_meta.rs:829:9
[INFO] [stdout]     |
[INFO] [stdout] 829 | /         assert_eq!(
[INFO] [stdout] 830 | |             get_option_element(&parse_quote!(Option<u8>)),
[INFO] [stdout] 831 | |             Some(&parse_quote!(u8))
[INFO] [stdout] 832 | |         );
[INFO] [stdout]     | |_________^ `syn::Type` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Debug` is not implemented for `syn::Type`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Option<&syn::Type>`
[INFO] [stdout]    --> src/struct_meta.rs:836:9
[INFO] [stdout]     |
[INFO] [stdout] 836 |           assert_eq!(
[INFO] [stdout]     |  _________^
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | |
[INFO] [stdout] 837 | |             get_option_element(&parse_quote!(option::Option<u8>)),
[INFO] [stdout] 838 | |             Some(&parse_quote!(u8))
[INFO] [stdout] 839 | |         );
[INFO] [stdout]     | |         ^
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | |_________Option<&syn::Type>
[INFO] [stdout]     |           Option<&syn::Type>
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `syn::Type` doesn't implement `Debug`
[INFO] [stdout]    --> src/struct_meta.rs:836:9
[INFO] [stdout]     |
[INFO] [stdout] 836 | /         assert_eq!(
[INFO] [stdout] 837 | |             get_option_element(&parse_quote!(option::Option<u8>)),
[INFO] [stdout] 838 | |             Some(&parse_quote!(u8))
[INFO] [stdout] 839 | |         );
[INFO] [stdout]     | |_________^ `syn::Type` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Debug` is not implemented for `syn::Type`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Option<&syn::Type>`
[INFO] [stdout]    --> src/struct_meta.rs:843:9
[INFO] [stdout]     |
[INFO] [stdout] 843 |           assert_eq!(
[INFO] [stdout]     |  _________^
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | |
[INFO] [stdout] 844 | |             get_option_element(&parse_quote!(core::option::Option<u8>)),
[INFO] [stdout] 845 | |             Some(&parse_quote!(u8))
[INFO] [stdout] 846 | |         );
[INFO] [stdout]     | |         ^
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | |_________Option<&syn::Type>
[INFO] [stdout]     |           Option<&syn::Type>
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `syn::Type` doesn't implement `Debug`
[INFO] [stdout]    --> src/struct_meta.rs:843:9
[INFO] [stdout]     |
[INFO] [stdout] 843 | /         assert_eq!(
[INFO] [stdout] 844 | |             get_option_element(&parse_quote!(core::option::Option<u8>)),
[INFO] [stdout] 845 | |             Some(&parse_quote!(u8))
[INFO] [stdout] 846 | |         );
[INFO] [stdout]     | |_________^ `syn::Type` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Debug` is not implemented for `syn::Type`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Option<&syn::Type>`
[INFO] [stdout]    --> src/struct_meta.rs:850:9
[INFO] [stdout]     |
[INFO] [stdout] 850 |           assert_eq!(
[INFO] [stdout]     |  _________^
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | |
[INFO] [stdout] 851 | |             get_option_element(&parse_quote!(std::option::Option<u8>)),
[INFO] [stdout] 852 | |             Some(&parse_quote!(u8))
[INFO] [stdout] 853 | |         );
[INFO] [stdout]     | |         ^
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | |_________Option<&syn::Type>
[INFO] [stdout]     |           Option<&syn::Type>
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `syn::Type` doesn't implement `Debug`
[INFO] [stdout]    --> src/struct_meta.rs:850:9
[INFO] [stdout]     |
[INFO] [stdout] 850 | /         assert_eq!(
[INFO] [stdout] 851 | |             get_option_element(&parse_quote!(std::option::Option<u8>)),
[INFO] [stdout] 852 | |             Some(&parse_quote!(u8))
[INFO] [stdout] 853 | |         );
[INFO] [stdout]     | |_________^ `syn::Type` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Debug` is not implemented for `syn::Type`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0369.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `structmeta-derive` due to 9 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d35ba4b03b00c6f7059ceaa8e9c8c58c54a96145e1c7e5ad1d68f705340ce408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35ba4b03b00c6f7059ceaa8e9c8c58c54a96145e1c7e5ad1d68f705340ce408", kill_on_drop: false }`
[INFO] [stdout] d35ba4b03b00c6f7059ceaa8e9c8c58c54a96145e1c7e5ad1d68f705340ce408