[INFO] cloning repository https://github.com/ryutaroikeda/settlers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryutaroikeda/settlers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryutaroikeda%2Fsettlers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryutaroikeda%2Fsettlers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c2e6359296a65e9afd83ef7b503b9b466395141
[INFO] documenting ryutaroikeda/settlers 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%2Fryutaroikeda%2Fsettlers" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryutaroikeda/settlers 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/ryutaroikeda/settlers
[INFO] finished tweaking git repo https://github.com/ryutaroikeda/settlers
[INFO] tweaked toml for git repo https://github.com/ryutaroikeda/settlers written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ryutaroikeda/settlers 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] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 ordered-float v0.1.0
[INFO] [stderr]   Downloaded humantime v0.1.3
[INFO] [stderr]   Downloaded serde_yaml v0.2.5
[INFO] [stderr]   Downloaded log4rs v0.4.8
[INFO] [stderr]   Downloaded serde-value v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 012aaba576b8e0182c051553493f894b935f4f9985ca5cab693445323de5cc14
[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" "012aaba576b8e0182c051553493f894b935f4f9985ca5cab693445323de5cc14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "012aaba576b8e0182c051553493f894b935f4f9985ca5cab693445323de5cc14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "012aaba576b8e0182c051553493f894b935f4f9985ca5cab693445323de5cc14", kill_on_drop: false }`
[INFO] [stdout] 012aaba576b8e0182c051553493f894b935f4f9985ca5cab693445323de5cc14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 93893d7dbe52939883077b13d571fc7d7115e2732ce5878caab3c74ebc09677b
[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" "93893d7dbe52939883077b13d571fc7d7115e2732ce5878caab3c74ebc09677b", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking humantime v0.1.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking ordered-float v0.1.0
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking serde_yaml v0.2.5
[INFO] [stderr]     Checking serde-value v0.2.1
[INFO] [stderr]     Checking log4rs v0.4.8
[INFO] [stderr]  Documenting settlers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `(` or `<`, found `}`
[INFO] [stdout]    --> src/main.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 97  | impl Board {
[INFO] [stdout]     |            - while parsing this item list starting here
[INFO] [stdout] ...
[INFO] [stdout] 143 |     fn get_
[INFO] [stdout]     |            - expected one of `(` or `<`
[INFO] [stdout] 144 | 
[INFO] [stdout] 145 | }
[INFO] [stdout]     | ^
[INFO] [stdout]     | |
[INFO] [stdout]     | unexpected token
[INFO] [stdout]     | the item list ends here
[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 `settlers`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name settlers 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 log=/opt/rustwide/target/debug/deps/liblog-39376325fae1b39f.rmeta --extern log4rs=/opt/rustwide/target/debug/deps/liblog4rs-61cf9bbe78660d9b.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "93893d7dbe52939883077b13d571fc7d7115e2732ce5878caab3c74ebc09677b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93893d7dbe52939883077b13d571fc7d7115e2732ce5878caab3c74ebc09677b", kill_on_drop: false }`
[INFO] [stdout] 93893d7dbe52939883077b13d571fc7d7115e2732ce5878caab3c74ebc09677b