[INFO] fetching crate spectrum-macros 0.0.0...
[INFO] testing spectrum-macros-0.0.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate spectrum-macros 0.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate spectrum-macros 0.0.0
[INFO] finished tweaking crates.io crate spectrum-macros 0.0.0
[INFO] tweaked toml for crates.io crate spectrum-macros 0.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spectrum-macros 0.0.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding rustc_version v0.3.3 (available: v0.4.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb9c96af9238525a761574f0ab8876bd7c018c05bc262429b5be32c90d6a1f20
[INFO] running `Command { std: "docker" "start" "-a" "bb9c96af9238525a761574f0ab8876bd7c018c05bc262429b5be32c90d6a1f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb9c96af9238525a761574f0ab8876bd7c018c05bc262429b5be32c90d6a1f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb9c96af9238525a761574f0ab8876bd7c018c05bc262429b5be32c90d6a1f20", kill_on_drop: false }`
[INFO] [stdout] bb9c96af9238525a761574f0ab8876bd7c018c05bc262429b5be32c90d6a1f20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9821a461cb95bab8e1f6b315b326a9bcf87cf4870646c9db02a4664fec64afb8
[INFO] running `Command { std: "docker" "start" "-a" "9821a461cb95bab8e1f6b315b326a9bcf87cf4870646c9db02a4664fec64afb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling format-core v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling tt-call v1.0.9
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling pretty v0.10.0
[INFO] [stderr]    Compiling pest v2.8.6
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling semver-parser v0.10.3
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling spectrum-macros v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling console v0.13.0
[INFO] [stderr]    Compiling format-macro v0.2.4
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling format v0.2.4
[INFO] [stderr]    Compiling spectrum v0.0.0
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]  --> src/lib.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(nightly, feature(proc_macro_diagnostic))]
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `paren` is never read
[INFO] [stdout]   --> src/macros/expr.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Parenthesized {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 14 |     paren: Paren,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parenthesized` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `paren` is never read
[INFO] [stdout]   --> src/macros/expr.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct MethodCall {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 48 |     paren: Paren,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MethodCall` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/macros/fragment.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Newline(Token![;]),
[INFO] [stdout]    |     ------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 50 -     Newline(Token![;]),
[INFO] [stdout] 50 +     Newline(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `proc_macro_diagnostic` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(nightly, feature(proc_macro_diagnostic))]
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.31s
[INFO] running `Command { std: "docker" "inspect" "9821a461cb95bab8e1f6b315b326a9bcf87cf4870646c9db02a4664fec64afb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9821a461cb95bab8e1f6b315b326a9bcf87cf4870646c9db02a4664fec64afb8", kill_on_drop: false }`
[INFO] [stdout] 9821a461cb95bab8e1f6b315b326a9bcf87cf4870646c9db02a4664fec64afb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9629ed2340088b6284c42aeba3dcc8f23d8f38561e6706a9efe5bc0b08900fe
[INFO] running `Command { std: "docker" "start" "-a" "f9629ed2340088b6284c42aeba3dcc8f23d8f38561e6706a9efe5bc0b08900fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling spectrum-macros v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]  --> src/lib.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(nightly, feature(proc_macro_diagnostic))]
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `paren` is never read
[INFO] [stdout]   --> src/macros/expr.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Parenthesized {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 14 |     paren: Paren,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parenthesized` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `paren` is never read
[INFO] [stdout]   --> src/macros/expr.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct MethodCall {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 48 |     paren: Paren,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MethodCall` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/macros/fragment.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Newline(Token![;]),
[INFO] [stdout]    |     ------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 50 -     Newline(Token![;]),
[INFO] [stdout] 50 +     Newline(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `proc_macro_diagnostic` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(nightly, feature(proc_macro_diagnostic))]
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]  --> src/lib.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(nightly, feature(proc_macro_diagnostic))]
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `paren` is never read
[INFO] [stdout]   --> src/macros/expr.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Parenthesized {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 14 |     paren: Paren,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parenthesized` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `paren` is never read
[INFO] [stdout]   --> src/macros/expr.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct MethodCall {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 48 |     paren: Paren,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MethodCall` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/macros/fragment.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Newline(Token![;]),
[INFO] [stdout]    |     ------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 50 -     Newline(Token![;]),
[INFO] [stdout] 50 +     Newline(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `proc_macro_diagnostic` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(nightly, feature(proc_macro_diagnostic))]
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "f9629ed2340088b6284c42aeba3dcc8f23d8f38561e6706a9efe5bc0b08900fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9629ed2340088b6284c42aeba3dcc8f23d8f38561e6706a9efe5bc0b08900fe", kill_on_drop: false }`
[INFO] [stdout] f9629ed2340088b6284c42aeba3dcc8f23d8f38561e6706a9efe5bc0b08900fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d425f7b02b827ed20ee5b693a66b8647de9e9bb07c802cab0416585df3c50f99
[INFO] running `Command { std: "docker" "start" "-a" "d425f7b02b827ed20ee5b693a66b8647de9e9bb07c802cab0416585df3c50f99", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]  --> src/lib.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(nightly, feature(proc_macro_diagnostic))]
[INFO] [stderr]   |             ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stderr]   = help: consider using a Cargo feature instead
[INFO] [stderr]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]            [lints.rust]
[INFO] [stderr]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `paren` is never read
[INFO] [stderr]   --> src/macros/expr.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct Parenthesized {
[INFO] [stderr]    |            ------------- field in this struct
[INFO] [stderr] 14 |     paren: Paren,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Parenthesized` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `paren` is never read
[INFO] [stderr]   --> src/macros/expr.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub struct MethodCall {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 48 |     paren: Paren,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MethodCall` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/macros/fragment.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |     Newline(Token![;]),
[INFO] [stderr]    |     ------- ^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 50 -     Newline(Token![;]),
[INFO] [stderr] 50 +     Newline(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: feature `proc_macro_diagnostic` is declared but not used
[INFO] [stderr]  --> src/lib.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(nightly, feature(proc_macro_diagnostic))]
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `spectrum-macros` (lib) generated 5 warnings
[INFO] [stderr] warning: `spectrum-macros` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spectrum_macros-fa147d4c9d33dc50)
[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 spectrum_macros
[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] running `Command { std: "docker" "inspect" "d425f7b02b827ed20ee5b693a66b8647de9e9bb07c802cab0416585df3c50f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d425f7b02b827ed20ee5b693a66b8647de9e9bb07c802cab0416585df3c50f99", kill_on_drop: false }`
[INFO] [stdout] d425f7b02b827ed20ee5b693a66b8647de9e9bb07c802cab0416585df3c50f99
