proc-macro2 0.4.23

A stable implementation of the upcoming new `proc_macro` API. Comes with an option, off by default, to also reimplement itself in terms of the upstream unstable API.
Documentation
Build #680809 2022-11-22T07:04:48.864057+00:00
# rustc version
rustc 1.67.0-nightly (b7bc90fea 2022-11-21)
# docs.rs version
docsrs 0.6.0 (83ad0bb0 2022-11-21)

# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/proc-macro2-0.4.23/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/proc-macro2-0.4.23/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "3221225472" "--cpus" "3" "--user" "1001:1001" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustflags=[\"--cfg\", \"procmacro2_semver_exempt\"]" "-Zhost-config" "-Ztarget-applies-to-host" "--config" "host.rustflags=[\"--cfg\", \"procmacro2_semver_exempt\"]" "--config" "build.rustdocflags=[\"--cfg\", \"procmacro2_semver_exempt\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20221121-1.67.0-nightly-b7bc90fea\", \"--static-root-path\", \"/-/rustdoc.static/\", \"--cap-lints\", \"warn\", \"--disable-per-crate-search\", \"--extern-html-root-takes-precedence\"]" "--offline" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-j3" "--target" "x86_64-unknown-linux-gnu", 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] fb9d77d2fc3cc515cfe7859059b5bc0b019590e0f81a13eb8d4ea9eb6fcfb74e
[INFO] running `Command { std: "docker" "start" "-a" "fb9d77d2fc3cc515cfe7859059b5bc0b019590e0f81a13eb8d4ea9eb6fcfb74e", kill_on_drop: false }`
[INFO] [stderr]  Documenting proc-macro2 v0.4.23 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/strnom.rs:98:24
[INFO] [stderr]    |
[INFO] [stderr] 98 |             b' ' | 0x09...0x0d => {
[INFO] [stderr]    |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/stable.rs:746:24
[INFO] [stderr]     |
[INFO] [stderr] 746 |                 b'\x20'...b'\x7E' => escaped.push(*b as char),
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1148:25
[INFO] [stderr]      |
[INFO] [stderr] 1148 |     next_ch!(chars @ '0'...'7');
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1149:25
[INFO] [stderr]      |
[INFO] [stderr] 1149 |     next_ch!(chars @ '0'...'9' | 'a'...'f' | 'A'...'F');
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1149:37
[INFO] [stderr]      |
[INFO] [stderr] 1149 |     next_ch!(chars @ '0'...'9' | 'a'...'f' | 'A'...'F');
[INFO] [stderr]      |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1149:49
[INFO] [stderr]      |
[INFO] [stderr] 1149 |     next_ch!(chars @ '0'...'9' | 'a'...'f' | 'A'...'F');
[INFO] [stderr]      |                                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1157:26
[INFO] [stderr]      |
[INFO] [stderr] 1157 |     next_ch!(chars @ b'0'...b'9' | b'a'...b'f' | b'A'...b'F');
[INFO] [stderr]      |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1157:40
[INFO] [stderr]      |
[INFO] [stderr] 1157 |     next_ch!(chars @ b'0'...b'9' | b'a'...b'f' | b'A'...b'F');
[INFO] [stderr]      |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1157:54
[INFO] [stderr]      |
[INFO] [stderr] 1157 |     next_ch!(chars @ b'0'...b'9' | b'a'...b'f' | b'A'...b'F');
[INFO] [stderr]      |                                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1158:26
[INFO] [stderr]      |
[INFO] [stderr] 1158 |     next_ch!(chars @ b'0'...b'9' | b'a'...b'f' | b'A'...b'F');
[INFO] [stderr]      |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1158:40
[INFO] [stderr]      |
[INFO] [stderr] 1158 |     next_ch!(chars @ b'0'...b'9' | b'a'...b'f' | b'A'...b'F');
[INFO] [stderr]      |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1158:54
[INFO] [stderr]      |
[INFO] [stderr] 1158 |     next_ch!(chars @ b'0'...b'9' | b'a'...b'f' | b'A'...b'F');
[INFO] [stderr]      |                                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1167:25
[INFO] [stderr]      |
[INFO] [stderr] 1167 |     next_ch!(chars @ '0'...'9' | 'a'...'f' | 'A'...'F');
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1167:37
[INFO] [stderr]      |
[INFO] [stderr] 1167 |     next_ch!(chars @ '0'...'9' | 'a'...'f' | 'A'...'F');
[INFO] [stderr]      |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1167:49
[INFO] [stderr]      |
[INFO] [stderr] 1167 |     next_ch!(chars @ '0'...'9' | 'a'...'f' | 'A'...'F');
[INFO] [stderr]      |                                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1169:37
[INFO] [stderr]      |
[INFO] [stderr] 1169 |         let c = next_ch!(chars @ '0'...'9' | 'a'...'f' | 'A'...'F' | '_' | '}');
[INFO] [stderr]      |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1169:49
[INFO] [stderr]      |
[INFO] [stderr] 1169 |         let c = next_ch!(chars @ '0'...'9' | 'a'...'f' | 'A'...'F' | '_' | '}');
[INFO] [stderr]      |                                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1169:61
[INFO] [stderr]      |
[INFO] [stderr] 1169 |         let c = next_ch!(chars @ '0'...'9' | 'a'...'f' | 'A'...'F' | '_' | '}');
[INFO] [stderr]      |                                                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1198:16
[INFO] [stderr]      |
[INFO] [stderr] 1198 |             '0'...'9' | '_' => {
[INFO] [stderr]      |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1243:20
[INFO] [stderr]      |
[INFO] [stderr] 1243 |                 '0'...'9' => {
[INFO] [stderr]      |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1293:17
[INFO] [stderr]      |
[INFO] [stderr] 1293 |             b'0'...b'9' => (b - b'0') as u64,
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1294:17
[INFO] [stderr]      |
[INFO] [stderr] 1294 |             b'a'...b'f' => 10 + (b - b'a') as u64,
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/stable.rs:1295:17
[INFO] [stderr]      |
[INFO] [stderr] 1295 |             b'A'...b'F' => 10 + (b - b'A') as u64,
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `proc-macro2` (lib doc) generated 23 warnings (run `cargo fix --lib -p proc-macro2` to apply 23 suggestions)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "fb9d77d2fc3cc515cfe7859059b5bc0b019590e0f81a13eb8d4ea9eb6fcfb74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb9d77d2fc3cc515cfe7859059b5bc0b019590e0f81a13eb8d4ea9eb6fcfb74e", kill_on_drop: false }`
[INFO] [stdout] fb9d77d2fc3cc515cfe7859059b5bc0b019590e0f81a13eb8d4ea9eb6fcfb74e