[INFO] cloning repository https://github.com/Vinatorul/level_generator_proto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vinatorul/level_generator_proto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVinatorul%2Flevel_generator_proto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVinatorul%2Flevel_generator_proto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a9909c9c1fe92df017bbf88887fc3cfe35624fc
[INFO] documenting Vinatorul/level_generator_proto 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%2FVinatorul%2Flevel_generator_proto" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vinatorul/level_generator_proto 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/Vinatorul/level_generator_proto
[INFO] finished tweaking git repo https://github.com/Vinatorul/level_generator_proto
[INFO] tweaked toml for git repo https://github.com/Vinatorul/level_generator_proto written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Vinatorul/level_generator_proto 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]     Updating git repository `https://github.com/Vinatorul/dungeon-generator-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/Vinatorul/tileengine-rs`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/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[INFO] the lockfile is outdated, regenerating it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]     Updating git repository `https://github.com/Vinatorul/dungeon-generator-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/Vinatorul/tileengine-rs`
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2-sys v0.7.0
[INFO] [stderr]   Downloaded sdl2 v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ba1724f6486b176243aa4a0fbd3fbd34623db889019ed4e03c0496fe2a35ee43
[INFO] running `Command { std: "docker" "start" "-a" "ba1724f6486b176243aa4a0fbd3fbd34623db889019ed4e03c0496fe2a35ee43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba1724f6486b176243aa4a0fbd3fbd34623db889019ed4e03c0496fe2a35ee43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1724f6486b176243aa4a0fbd3fbd34623db889019ed4e03c0496fe2a35ee43", kill_on_drop: false }`
[INFO] [stdout] ba1724f6486b176243aa4a0fbd3fbd34623db889019ed4e03c0496fe2a35ee43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d6924aa6c85b0ce4aff9ecd54bf83ba2cae7ee4c234c07a2d3de784757589c3a
[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" "d6924aa6c85b0ce4aff9ecd54bf83ba2cae7ee4c234c07a2d3de784757589c3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2-sys v0.7.0
[INFO] [stderr]     Checking tile_engine v0.1.0 (https://github.com/Vinatorul/tileengine-rs#d68a728d)
[INFO] [stderr]     Checking dungeon-generator v0.1.0 (https://github.com/Vinatorul/dungeon-generator-rs.git#7ef18084)
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking sdl2 v0.12.1
[INFO] [stderr]  Documenting level_generator_proto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.34s
[INFO] running `Command { std: "docker" "inspect" "d6924aa6c85b0ce4aff9ecd54bf83ba2cae7ee4c234c07a2d3de784757589c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6924aa6c85b0ce4aff9ecd54bf83ba2cae7ee4c234c07a2d3de784757589c3a", kill_on_drop: false }`
[INFO] [stdout] d6924aa6c85b0ce4aff9ecd54bf83ba2cae7ee4c234c07a2d3de784757589c3a