[INFO] cloning repository https://github.com/ssanderson/rust-paxos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ssanderson/rust-paxos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssanderson%2Frust-paxos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssanderson%2Frust-paxos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3fc94985cd50b84dba4528a5847176fb32ddc70
[INFO] documenting ssanderson/rust-paxos against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssanderson%2Frust-paxos" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ssanderson/rust-paxos on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ssanderson/rust-paxos
[INFO] finished tweaking git repo https://github.com/ssanderson/rust-paxos
[INFO] tweaked toml for git repo https://github.com/ssanderson/rust-paxos written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ssanderson/rust-paxos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.78
[INFO] [stderr]   Downloaded syn v0.15.4
[INFO] [stderr]   Downloaded proc-macro2 v0.4.19
[INFO] [stderr]   Downloaded serde v1.0.78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 827ff36851122797b4c9ddf40f6abd1d3ceeea7a3eef513d05790cccfd71e701
[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" "827ff36851122797b4c9ddf40f6abd1d3ceeea7a3eef513d05790cccfd71e701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "827ff36851122797b4c9ddf40f6abd1d3ceeea7a3eef513d05790cccfd71e701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "827ff36851122797b4c9ddf40f6abd1d3ceeea7a3eef513d05790cccfd71e701", kill_on_drop: false }`
[INFO] [stdout] 827ff36851122797b4c9ddf40f6abd1d3ceeea7a3eef513d05790cccfd71e701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] 17095e64898063543e46afabd8b2e6d9ea9fa5f9ed675862a84ee3e844955735
[INFO] running `Command { std: "docker" "start" "-a" "17095e64898063543e46afabd8b2e6d9ea9fa5f9ed675862a84ee3e844955735", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.78
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]    Compiling serde_derive v1.0.78
[INFO] [stderr]  Documenting rust-paxos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `}`
[INFO] [stdout]    --> src/paxos/mod.rs:191:90
[INFO] [stdout]     |
[INFO] [stdout] 191 | ...                   self.state.current_proposal = Some(Proposal {request_number: }
[INFO] [stdout]     |                                                          --------                  ^ expected expression
[INFO] [stdout]     |                                                          |
[INFO] [stdout]     |                                                          while parsing this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: mismatched closing delimiter: `}`
[INFO] [stdout]    --> src/paxos/mod.rs:192:25
[INFO] [stdout]     |
[INFO] [stdout] 190 |                         None => {
[INFO] [stdout]     |                                 - closing delimiter possibly meant for this
[INFO] [stdout] 191 |                             self.state.current_proposal = Some(Proposal {request_number: }
[INFO] [stdout]     |                                                               - unclosed delimiter
[INFO] [stdout] 192 |                         }
[INFO] [stdout]     |                         ^ mismatched closing delimiter
[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 `rust-paxos`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name rust_paxos 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 getopts=/opt/rustwide/target/debug/deps/libgetopts-84b951636a39d9de.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-016bf4da3a59a8fe.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-0282be3094c65b69.so --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "17095e64898063543e46afabd8b2e6d9ea9fa5f9ed675862a84ee3e844955735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17095e64898063543e46afabd8b2e6d9ea9fa5f9ed675862a84ee3e844955735", kill_on_drop: false }`
[INFO] [stdout] 17095e64898063543e46afabd8b2e6d9ea9fa5f9ed675862a84ee3e844955735