[INFO] cloning repository https://github.com/shelbyd/rust-poker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shelbyd/rust-poker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelbyd%2Frust-poker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelbyd%2Frust-poker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b0e571f680bdc9670e3759634e79d25a8344ee6
[INFO] documenting shelbyd/rust-poker 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%2Fshelbyd%2Frust-poker" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shelbyd/rust-poker 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/shelbyd/rust-poker
[INFO] finished tweaking git repo https://github.com/shelbyd/rust-poker
[INFO] tweaked toml for git repo https://github.com/shelbyd/rust-poker written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/shelbyd/rust-poker 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-14/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[INFO] the lockfile is outdated, regenerating it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] 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 rust_combinatorics v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 51f3f506e33399c0917a180a687a874f830faeed3524d9061f87defd54994741
[INFO] running `Command { std: "docker" "start" "-a" "51f3f506e33399c0917a180a687a874f830faeed3524d9061f87defd54994741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51f3f506e33399c0917a180a687a874f830faeed3524d9061f87defd54994741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f3f506e33399c0917a180a687a874f830faeed3524d9061f87defd54994741", kill_on_drop: false }`
[INFO] [stdout] 51f3f506e33399c0917a180a687a874f830faeed3524d9061f87defd54994741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 4f398cb143149dad517421f617c58c968b02d47ad5c0c17ff808e13e0dab1b4e
[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" "4f398cb143149dad517421f617c58c968b02d47ad5c0c17ff808e13e0dab1b4e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust_combinatorics v0.1.0
[INFO] [stderr]  Documenting poker v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::rand`
[INFO] [stdout]   --> src/calculations.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::rand::{thread_rng, Rng};
[INFO] [stdout]    |          ^^^^ could not find `rand` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::core::num::ToPrimitive`
[INFO] [stdout]   --> src/calculations.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::core::num::ToPrimitive;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ToPrimitive` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Float`
[INFO] [stdout]   --> src/calculations.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | use std::num::Float;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `self::core::f32::consts::SQRT2`, `self::core::f32::consts::FRAC_2_SQRTPI`
[INFO] [stdout]   --> src/calculations.rs:61:31
[INFO] [stdout]    |
[INFO] [stdout] 61 | use self::core::f32::consts::{SQRT2, FRAC_2_SQRTPI};
[INFO] [stdout]    |                               ^^^^^  ^^^^^^^^^^^^^ no `FRAC_2_SQRTPI` in `f32::consts`
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               no `SQRT2` in `f32::consts`
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 61 | use self::core::f32::consts::{SQRT_2, FRAC_2_SQRTPI};
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 61 | use self::core::f32::consts::{SQRT2, FRAC_2_SQRT_PI};
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     use std::old_io;
[INFO] [stdout]    |         ^^^^^^^^^^^ no `old_io` in the root
[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 `poker`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name poker 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 rust_combinatorics=/opt/rustwide/target/debug/deps/librust_combinatorics-6918cc3770fe31b0.rmeta --cap-lints=warn --crate-version 0.0.1` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "4f398cb143149dad517421f617c58c968b02d47ad5c0c17ff808e13e0dab1b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f398cb143149dad517421f617c58c968b02d47ad5c0c17ff808e13e0dab1b4e", kill_on_drop: false }`
[INFO] [stdout] 4f398cb143149dad517421f617c58c968b02d47ad5c0c17ff808e13e0dab1b4e