[INFO] cloning repository https://github.com/chomyungha51/rust-macro-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chomyungha51/rust-macro-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchomyungha51%2Frust-macro-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchomyungha51%2Frust-macro-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa3f20986444013418bf63d01fcdc4860fa495e7
[INFO] documenting chomyungha51/rust-macro-study against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchomyungha51%2Frust-macro-study" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chomyungha51/rust-macro-study on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chomyungha51/rust-macro-study
[INFO] finished tweaking git repo https://github.com/chomyungha51/rust-macro-study
[INFO] tweaked toml for git repo https://github.com/chomyungha51/rust-macro-study written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chomyungha51/rust-macro-study 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41bf515cad7eaac742c7ed04026f6bd0aa16634208ab3175c7037c796fdb4203
[INFO] running `Command { std: "docker" "start" "-a" "41bf515cad7eaac742c7ed04026f6bd0aa16634208ab3175c7037c796fdb4203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41bf515cad7eaac742c7ed04026f6bd0aa16634208ab3175c7037c796fdb4203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41bf515cad7eaac742c7ed04026f6bd0aa16634208ab3175c7037c796fdb4203", kill_on_drop: false }`
[INFO] [stdout] 41bf515cad7eaac742c7ed04026f6bd0aa16634208ab3175c7037c796fdb4203
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee288676a1ce00bd4999aab35cddeba90b7b0662eef0c7e845c268fd929a8418
[INFO] running `Command { std: "docker" "start" "-a" "ee288676a1ce00bd4999aab35cddeba90b7b0662eef0c7e845c268fd929a8418", kill_on_drop: false }`
[INFO] [stderr]  Documenting custom_macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `let` statement
[INFO] [stdout]    --> src/main.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut v = Vec::new();
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     let v1:Vec<i32> = custom_vec!();
[INFO] [stdout]     |                       ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `custom_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `custom_macros`
[INFO] [stdout] error: macro expansion ignores token `v` and any following
[INFO] [stdout]    --> src/main.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         v
[INFO] [stdout]     |         ^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     let v1:Vec<i32> = custom_vec!();
[INFO] [stdout]     |                       ------------- caused by the macro expansion here
[INFO] [stdout]     |
[INFO] [stdout]     = note: the usage of `custom_vec!` is likely invalid in expression context
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: expected expression, found statement (`let`)
[INFO] [stdout]    --> src/main.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut v = Vec::new();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     let v1:Vec<i32> = custom_vec!();
[INFO] [stdout]     |                       ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: variable declaration using `let` is a statement
[INFO] [stdout]     = note: this error originates in the macro `custom_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut v = Vec::new();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     let v1:Vec<i32> = custom_vec!();
[INFO] [stdout]     |                       ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = note: this error originates in the macro `custom_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name custom_macros 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=527f3709ed1e70e5 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ee288676a1ce00bd4999aab35cddeba90b7b0662eef0c7e845c268fd929a8418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee288676a1ce00bd4999aab35cddeba90b7b0662eef0c7e845c268fd929a8418", kill_on_drop: false }`
[INFO] [stdout] ee288676a1ce00bd4999aab35cddeba90b7b0662eef0c7e845c268fd929a8418
