[INFO] cloning repository https://github.com/evanjs/gwall
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evanjs/gwall" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevanjs%2Fgwall", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevanjs%2Fgwall'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c67dc2fa87941b475c992e189259b4fa1653665
[INFO] documenting evanjs/gwall against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevanjs%2Fgwall" "/workspace/builds/worker-78/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-78/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/evanjs/gwall on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/evanjs/gwall
[INFO] finished tweaking git repo https://github.com/evanjs/gwall
[INFO] tweaked toml for git repo https://github.com/evanjs/gwall written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate git repo https://github.com/evanjs/gwall already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded envy v0.3.3
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[INFO] [stderr]   Downloaded hyper v0.12.21
[INFO] [stderr]   Downloaded selectors v0.20.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a4eb66a5926b6f6ab4cc3e94a33e345dca33cdb776e2749dc3fd983b4f11731
[INFO] running `Command { std: "docker" "start" "-a" "6a4eb66a5926b6f6ab4cc3e94a33e345dca33cdb776e2749dc3fd983b4f11731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a4eb66a5926b6f6ab4cc3e94a33e345dca33cdb776e2749dc3fd983b4f11731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4eb66a5926b6f6ab4cc3e94a33e345dca33cdb776e2749dc3fd983b4f11731", kill_on_drop: false }`
[INFO] [stdout] 6a4eb66a5926b6f6ab4cc3e94a33e345dca33cdb776e2749dc3fd983b4f11731
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed652f0656ea37ed9ddf1869a2346ec31a2407e89b41b5abfee60526c2a6234c
[INFO] running `Command { std: "docker" "start" "-a" "ed652f0656ea37ed9ddf1869a2346ec31a2407e89b41b5abfee60526c2a6234c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling cssparser v0.24.1
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling cssparser-macros v0.3.5
[INFO] [stderr]    Compiling html5ever v0.22.5
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[INFO] [stdout] error[E0506]: cannot assign to `self.input.cached_token` because it is borrowed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.24.1/src/parser.rs:572:17
[INFO] [stdout]     |
[INFO] [stdout] 547 |     pub fn next_including_whitespace_and_comments(&mut self) -> Result<&Token<'i>, BasicParseError<'i>> {
[INFO] [stdout]     |                                                   - let's call the lifetime of this reference `'1`
[INFO] [stdout] ...
[INFO] [stdout] 560 |             Some(ref cached_token)
[INFO] [stdout]     |                  ---------------- borrow of `self.input.cached_token` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 572 |                 self.input.cached_token = Some(CachedToken {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ assignment to borrowed `self.input.cached_token` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 584 |         Ok(token)
[INFO] [stdout]     |         --------- returning this value requires that `self.input.cached_token.0` is borrowed for `'1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0506`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cssparser` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ed652f0656ea37ed9ddf1869a2346ec31a2407e89b41b5abfee60526c2a6234c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed652f0656ea37ed9ddf1869a2346ec31a2407e89b41b5abfee60526c2a6234c", kill_on_drop: false }`
[INFO] [stdout] ed652f0656ea37ed9ddf1869a2346ec31a2407e89b41b5abfee60526c2a6234c
