[INFO] cloning repository https://github.com/anko9801/Arow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anko9801/Arow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanko9801%2FArow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanko9801%2FArow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f276235c5bb96d65fb3c3d49bc164dd3530b23db
[INFO] documenting anko9801/Arow against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanko9801%2FArow" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anko9801/Arow on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anko9801/Arow
[INFO] finished tweaking git repo https://github.com/anko9801/Arow
[INFO] tweaked toml for git repo https://github.com/anko9801/Arow written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/anko9801/Arow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a08a7738436a78f7315a46781864ea09e7a50d338d359edaa9e3863e0fe95d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6a08a7738436a78f7315a46781864ea09e7a50d338d359edaa9e3863e0fe95d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a08a7738436a78f7315a46781864ea09e7a50d338d359edaa9e3863e0fe95d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a08a7738436a78f7315a46781864ea09e7a50d338d359edaa9e3863e0fe95d2", kill_on_drop: false }`
[INFO] [stdout] 6a08a7738436a78f7315a46781864ea09e7a50d338d359edaa9e3863e0fe95d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53b563585c014f9c4dcc5ff5072d1e5f9cb39ae474b5219cd90c686b949bb2fa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "53b563585c014f9c4dcc5ff5072d1e5f9cb39ae474b5219cd90c686b949bb2fa", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]  Documenting arow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found keyword `match`
[INFO] [stdout]    --> src/lexer.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         Ok(Token::new_ident(str_token))
[INFO] [stdout]     |                                        - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 116 |         match str_token.to_owned() {
[INFO] [stdout]     |         ^^^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `arow`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name arow src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f010ebc4cc11df1f.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-45d1eb91d4d2c283.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-014eb0405b9b7272.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "53b563585c014f9c4dcc5ff5072d1e5f9cb39ae474b5219cd90c686b949bb2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b563585c014f9c4dcc5ff5072d1e5f9cb39ae474b5219cd90c686b949bb2fa", kill_on_drop: false }`
[INFO] [stdout] 53b563585c014f9c4dcc5ff5072d1e5f9cb39ae474b5219cd90c686b949bb2fa