[INFO] cloning repository https://github.com/Cifram/simplectic-noise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cifram/simplectic-noise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCifram%2Fsimplectic-noise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCifram%2Fsimplectic-noise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8d228119cb293d6ce1fe229a1baa43893f6b303
[INFO] documenting Cifram/simplectic-noise 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%2FCifram%2Fsimplectic-noise" "/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/Cifram/simplectic-noise 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/Cifram/simplectic-noise
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/Cifram/simplectic-noise
[INFO] tweaked toml for git repo https://github.com/Cifram/simplectic-noise written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Cifram/simplectic-noise 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/PistonDevelopers/image.git`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/num`
[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[INFO] the lockfile is outdated, regenerating it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] [stderr]     Updating git repository `https://github.com/PistonDevelopers/image.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 3a175e6824dc79b45fa287d896be0b3a73ac1ad0e2911d3bc5d54c98000de925
[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" "3a175e6824dc79b45fa287d896be0b3a73ac1ad0e2911d3bc5d54c98000de925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a175e6824dc79b45fa287d896be0b3a73ac1ad0e2911d3bc5d54c98000de925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a175e6824dc79b45fa287d896be0b3a73ac1ad0e2911d3bc5d54c98000de925", kill_on_drop: false }`
[INFO] [stdout] 3a175e6824dc79b45fa287d896be0b3a73ac1ad0e2911d3bc5d54c98000de925
[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] d63845e663f5e138fe004d7f0864a031ca54548a495402bbac81da596f8aa817
[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" "d63845e663f5e138fe004d7f0864a031ca54548a495402bbac81da596f8aa817", 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] [stderr]  Documenting simplectic-noise v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::num::Float`
[INFO] [stdout]   --> src/gradient.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::num::Float;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::num::Float`, `std::num::NumCast`
[INFO] [stdout]   --> src/math.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::num::{self, Float, NumCast};
[INFO] [stdout]    |                      ^^^^^  ^^^^^^^ no `NumCast` in `num`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::rand`
[INFO] [stdout]   --> src/seed.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::rand::{Rand, Rng, SeedableRng, XorShiftRng};
[INFO] [stdout]    |          ^^^^ could not find `rand` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::SignedInt`
[INFO] [stdout]   --> src/seed.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::num::SignedInt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no `SignedInt` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::num::cast`, `std::num::Float`
[INFO] [stdout]   --> src/simplectic.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 33 | use std::num::{cast, Float};
[INFO] [stdout]    |                ^^^^  ^^^^^ no `Float` in `num`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                no `cast` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 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 `simplectic-noise`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name simplectic_noise src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "d63845e663f5e138fe004d7f0864a031ca54548a495402bbac81da596f8aa817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d63845e663f5e138fe004d7f0864a031ca54548a495402bbac81da596f8aa817", kill_on_drop: false }`
[INFO] [stdout] d63845e663f5e138fe004d7f0864a031ca54548a495402bbac81da596f8aa817