[INFO] cloning repository https://github.com/ezragoss/chain-implementation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ezragoss/chain-implementation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezragoss%2Fchain-implementation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezragoss%2Fchain-implementation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84b2be78343bd3dbed9946a324219e5883e90589
[INFO] documenting ezragoss/chain-implementation against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezragoss%2Fchain-implementation" "/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/ezragoss/chain-implementation on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ezragoss/chain-implementation
[INFO] finished tweaking git repo https://github.com/ezragoss/chain-implementation
[INFO] tweaked toml for git repo https://github.com/ezragoss/chain-implementation written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ezragoss/chain-implementation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", 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] 8b15c6fe07c1d605135852dfa8eeded79d30898ac5f8a6537b93c954bb6e37d2
[INFO] running `Command { std: "docker" "start" "-a" "8b15c6fe07c1d605135852dfa8eeded79d30898ac5f8a6537b93c954bb6e37d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b15c6fe07c1d605135852dfa8eeded79d30898ac5f8a6537b93c954bb6e37d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b15c6fe07c1d605135852dfa8eeded79d30898ac5f8a6537b93c954bb6e37d2", kill_on_drop: false }`
[INFO] [stdout] 8b15c6fe07c1d605135852dfa8eeded79d30898ac5f8a6537b93c954bb6e37d2
[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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 05a76085bd956a53c4f96c11af094ccc7c08544b699ef7fda2ec18eab8a8be10
[INFO] running `Command { std: "docker" "start" "-a" "05a76085bd956a53c4f96c11af094ccc7c08544b699ef7fda2ec18eab8a8be10", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking nodrop v0.1.10
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking sha3 v0.6.0
[INFO] [stderr]  Documenting rust_implementation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `}`
[INFO] [stdout]   --> src/block.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         return Block::<T>
[INFO] [stdout]    |                ---------- while parsing this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |         }
[INFO] [stdout]    |         ^ expected expression
[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 `rust_implementation`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name rust_implementation 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=1c3381f0871e523b -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-3343d7ec80db5830.rmeta --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-1f019912826e1e3e.rmeta --extern sha3=/opt/rustwide/target/debug/deps/libsha3-4116f38ab17bd90a.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "05a76085bd956a53c4f96c11af094ccc7c08544b699ef7fda2ec18eab8a8be10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05a76085bd956a53c4f96c11af094ccc7c08544b699ef7fda2ec18eab8a8be10", kill_on_drop: false }`
[INFO] [stdout] 05a76085bd956a53c4f96c11af094ccc7c08544b699ef7fda2ec18eab8a8be10