[INFO] updating cached repository https://github.com/warner/grilbfs-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6913455b62adc92e7b27f89156594b8686d39aaa
[INFO] documenting warner/grilbfs-rust against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarner%2Fgrilbfs-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/warner/grilbfs-rust on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/warner/grilbfs-rust
[INFO] finished tweaking git repo https://github.com/warner/grilbfs-rust
[INFO] tweaked toml for git repo https://github.com/warner/grilbfs-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/warner/grilbfs-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8345081ce6926e95fb98ec0db3d0cdf8e5644461a93a993a7de5743e1e312c94
[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" "8345081ce6926e95fb98ec0db3d0cdf8e5644461a93a993a7de5743e1e312c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8345081ce6926e95fb98ec0db3d0cdf8e5644461a93a993a7de5743e1e312c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8345081ce6926e95fb98ec0db3d0cdf8e5644461a93a993a7de5743e1e312c94", kill_on_drop: false }`
[INFO] [stdout] 8345081ce6926e95fb98ec0db3d0cdf8e5644461a93a993a7de5743e1e312c94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 22bb1700a47d9f87d38f40dd05f18c3161e070ce732c34b3b670fa11002da2e9
[INFO] running `Command { std: "docker" "start" "-a" "22bb1700a47d9f87d38f40dd05f18c3161e070ce732c34b3b670fa11002da2e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]    Compiling fuse v0.3.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]  Documenting grilbfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `(`, `,`, `=`, `{`, or `}`, found `:`
[INFO] [stdout]   --> src/grilbfs.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     File: FileNode,
[INFO] [stdout]    |         ^ expected one of `(`, `,`, `=`, `{`, or `}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected item, found `:`
[INFO] [stdout]   --> src/grilbfs.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     File: FileNode,
[INFO] [stdout]    |         ^ expected item
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `grilbfs`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name grilbfs src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern fuse=/opt/rustwide/target/debug/deps/libfuse-f6ae01583884af10.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-a4d082601b318443.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-cdd1072f1e80c9b1.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-e814602c25c51d15.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "22bb1700a47d9f87d38f40dd05f18c3161e070ce732c34b3b670fa11002da2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22bb1700a47d9f87d38f40dd05f18c3161e070ce732c34b3b670fa11002da2e9", kill_on_drop: false }`
[INFO] [stdout] 22bb1700a47d9f87d38f40dd05f18c3161e070ce732c34b3b670fa11002da2e9