[INFO] cloning repository https://github.com/allan-silva/pratical-rust-macro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/allan-silva/pratical-rust-macro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallan-silva%2Fpratical-rust-macro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallan-silva%2Fpratical-rust-macro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d94645c6ecf1b982c5e50b48fdd3a3547586275f
[INFO] documenting allan-silva/pratical-rust-macro against beta-2023-05-30 for beta-1.71-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallan-silva%2Fpratical-rust-macro" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/allan-silva/pratical-rust-macro on toolchain beta-2023-05-30
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-05-30" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/allan-silva/pratical-rust-macro
[INFO] finished tweaking git repo https://github.com/allan-silva/pratical-rust-macro
[INFO] tweaked toml for git repo https://github.com/allan-silva/pratical-rust-macro written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/allan-silva/pratical-rust-macro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-05-30" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-05-30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfd4cea3f328083ae2d80bbc45fda92fe70ce9680d40e2de61d2c882294aaa0d
[INFO] running `Command { std: "docker" "start" "-a" "dfd4cea3f328083ae2d80bbc45fda92fe70ce9680d40e2de61d2c882294aaa0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfd4cea3f328083ae2d80bbc45fda92fe70ce9680d40e2de61d2c882294aaa0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd4cea3f328083ae2d80bbc45fda92fe70ce9680d40e2de61d2c882294aaa0d", kill_on_drop: false }`
[INFO] [stdout] dfd4cea3f328083ae2d80bbc45fda92fe70ce9680d40e2de61d2c882294aaa0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-05-30" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 912bd425d6d4116c337b7d107a82495c80ff6e12fce2d23a90481954ee72da3c
[INFO] running `Command { std: "docker" "start" "-a" "912bd425d6d4116c337b7d107a82495c80ff6e12fce2d23a90481954ee72da3c", kill_on_drop: false }`
[INFO] [stderr]  Documenting praticalmacros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: no rules expected the token `:`
[INFO] [stdout]   --> src/main.rs:6:57
[INFO] [stdout]    |
[INFO] [stdout] 6  |             const MEM_SIZE: usize = count_expr!($($inits:expr),+);
[INFO] [stdout]    |                                                         ^ no rules expected this token in macro call
[INFO] [stdout] ...
[INFO] [stdout] 70 | macro_rules! count_expr {
[INFO] [stdout]    | ----------------------- when calling this macro
[INFO] [stdout] ...
[INFO] [stdout] 77 |     let fib = recurrence![a[n]: u64 = 0, 1; a[n-1] + a[n-2]];
[INFO] [stdout]    |               ---------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: while trying to match meta-variable `$e:expr`
[INFO] [stdout]   --> src/main.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 72 |     ($e:expr) => (1);
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    = note: this error originates in the macro `recurrence` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: no rules expected the token `:`
[INFO] [stdout]   --> src/main.rs:6:57
[INFO] [stdout]    |
[INFO] [stdout] 6  |             const MEM_SIZE: usize = count_expr!($($inits:expr),+);
[INFO] [stdout]    |                                                         ^ no rules expected this token in macro call
[INFO] [stdout] ...
[INFO] [stdout] 70 | macro_rules! count_expr {
[INFO] [stdout]    | ----------------------- when calling this macro
[INFO] [stdout] ...
[INFO] [stdout] 80 |     for e in recurrence!(f[i]: f64 = 1.0; f[i-1] * i as f64).take(10) {
[INFO] [stdout]    |              ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: while trying to match meta-variable `$e:expr`
[INFO] [stdout]   --> src/main.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 72 |     ($e:expr) => (1);
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    = note: this error originates in the macro `recurrence` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `praticalmacros`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-05-30-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type bin --crate-name praticalmacros src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=dd5a6093834f710f -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "912bd425d6d4116c337b7d107a82495c80ff6e12fce2d23a90481954ee72da3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912bd425d6d4116c337b7d107a82495c80ff6e12fce2d23a90481954ee72da3c", kill_on_drop: false }`
[INFO] [stdout] 912bd425d6d4116c337b7d107a82495c80ff6e12fce2d23a90481954ee72da3c