[INFO] cloning repository https://github.com/mchesser/mapgen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mchesser/mapgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmchesser%2Fmapgen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmchesser%2Fmapgen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a31a3c395c4c44232f220e1d9470661755292b8
[INFO] documenting mchesser/mapgen 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%2Fmchesser%2Fmapgen" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mchesser/mapgen 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/mchesser/mapgen
[INFO] finished tweaking git repo https://github.com/mchesser/mapgen
[INFO] tweaked toml for git repo https://github.com/mchesser/mapgen written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mchesser/mapgen 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/quvarxa/bitmap.git`
[INFO] [stderr]     Updating git repository `https://github.com/bjz/noise-rs`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/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[INFO] the lockfile is outdated, regenerating it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/quvarxa/basic2d.git`
[INFO] [stderr]     Updating git repository `https://github.com/quvarxa/bitmap.git`
[INFO] [stderr]     Updating git repository `https://github.com/quvarxa/interpolate.git`
[INFO] [stderr]     Updating git repository `https://github.com/bjz/noise-rs`
[INFO] [stderr] warning: fetching `master` branch from `https://github.com/bjz/noise-rs` but the `HEAD` reference for this repository is not the `master` branch. This behavior will change in Cargo in the future and your build may break, so it's recommended to place `branch = "master"` in Cargo.toml when depending on this git repository to ensure that your build will continue to work.
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] fe9adfde9c73148f0f3d915cca381dc7de89bc6c0e33f8e2451b4c8b58b69593
[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" "fe9adfde9c73148f0f3d915cca381dc7de89bc6c0e33f8e2451b4c8b58b69593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe9adfde9c73148f0f3d915cca381dc7de89bc6c0e33f8e2451b4c8b58b69593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9adfde9c73148f0f3d915cca381dc7de89bc6c0e33f8e2451b4c8b58b69593", kill_on_drop: false }`
[INFO] [stdout] fe9adfde9c73148f0f3d915cca381dc7de89bc6c0e33f8e2451b4c8b58b69593
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3a074e87573516a4d5c0982f249bf527400c8bec4d57d1cc85517e328a280440
[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" "3a074e87573516a4d5c0982f249bf527400c8bec4d57d1cc85517e328a280440", kill_on_drop: false }`
[INFO] [stderr]     Checking interpolate v0.1.0 (https://github.com/quvarxa/interpolate.git#f6208548)
[INFO] [stderr]     Checking bitmap v0.0.3 (https://github.com/quvarxa/bitmap.git#2a04c902)
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking num-bigint v0.3.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking num-rational v0.3.0
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]     Checking basic2d v0.0.2 (https://github.com/quvarxa/basic2d.git#3c8d23f3)
[INFO] [stderr]     Checking noise v0.6.0 (https://github.com/bjz/noise-rs#5b9656e2)
[INFO] [stderr]  Documenting mapgen v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `noise::Seed`, `noise::Brownian2`, `noise::open_simplex2`
[INFO] [stdout]  --> src/mapgen.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use noise::{Seed, Brownian2, open_simplex2};
[INFO] [stdout]   |             ^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |             |     |          |
[INFO] [stdout]   |             |     |          no `open_simplex2` in the root
[INFO] [stdout]   |             |     |          help: a similar name exists in the module: `OpenSimplex`
[INFO] [stdout]   |             |     no `Brownian2` in the root
[INFO] [stdout]   |             no `Seed` in the root
[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] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `mapgen`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name mapgen 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 basic2d=/opt/rustwide/target/debug/deps/libbasic2d-6fc78fd07dc588ff.rmeta --extern bitmap=/opt/rustwide/target/debug/deps/libbitmap-210b81bc18f7cda2.rmeta --extern interpolate=/opt/rustwide/target/debug/deps/libinterpolate-8e77ba17eb3f88d7.rmeta --extern noise=/opt/rustwide/target/debug/deps/libnoise-5c5b82bb66f6347d.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-2d0f4b1856705251.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-11946bb198eefaee.rmeta --cap-lints=warn --crate-version 0.0.1` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "3a074e87573516a4d5c0982f249bf527400c8bec4d57d1cc85517e328a280440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a074e87573516a4d5c0982f249bf527400c8bec4d57d1cc85517e328a280440", kill_on_drop: false }`
[INFO] [stdout] 3a074e87573516a4d5c0982f249bf527400c8bec4d57d1cc85517e328a280440