[INFO] cloning repository https://github.com/MidgeOnGithub/vending-machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MidgeOnGithub/vending-machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMidgeOnGithub%2Fvending-machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMidgeOnGithub%2Fvending-machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b594de1b5439d492fdca466fe95bd087728fe9ab
[INFO] documenting MidgeOnGithub/vending-machine against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMidgeOnGithub%2Fvending-machine" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MidgeOnGithub/vending-machine on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MidgeOnGithub/vending-machine
[INFO] finished tweaking git repo https://github.com/MidgeOnGithub/vending-machine
[INFO] tweaked toml for git repo https://github.com/MidgeOnGithub/vending-machine written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/MidgeOnGithub/vending-machine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] e3583757274d92b4fe698e3cf7e163e45a318940df053f2cdde0b5da55076865
[INFO] running `Command { std: "docker" "start" "-a" "e3583757274d92b4fe698e3cf7e163e45a318940df053f2cdde0b5da55076865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3583757274d92b4fe698e3cf7e163e45a318940df053f2cdde0b5da55076865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3583757274d92b4fe698e3cf7e163e45a318940df053f2cdde0b5da55076865", kill_on_drop: false }`
[INFO] [stdout] e3583757274d92b4fe698e3cf7e163e45a318940df053f2cdde0b5da55076865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 8da2c4362ccbbdbf2aa710e659c807490c02b2575f900c9379c7ac7c42597d89
[INFO] running `Command { std: "docker" "start" "-a" "8da2c4362ccbbdbf2aa710e659c807490c02b2575f900c9379c7ac7c42597d89", kill_on_drop: false }`
[INFO] [stderr]     Checking vending_machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting vending_machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/vending/mod.rs:18:35
[INFO] [stdout]    |
[INFO] [stdout] 18 |             remainder => price += (NICKEL - remainder)
[INFO] [stdout]    |                                   ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -             remainder => price += (NICKEL - remainder)
[INFO] [stdout] 18 +             remainder => price += NICKEL - remainder
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::read_to_string`
[INFO] [stdout]  --> src/vending/cashier.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::read_to_string;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::raw::c_void`
[INFO] [stdout]  --> src/vending/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::os::raw::c_void;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/vending/mod.rs:18:35
[INFO] [stdout]    |
[INFO] [stdout] 18 |             remainder => price += (NICKEL - remainder)
[INFO] [stdout]    |                                   ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -             remainder => price += (NICKEL - remainder)
[INFO] [stdout] 18 +             remainder => price += NICKEL - remainder
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "8da2c4362ccbbdbf2aa710e659c807490c02b2575f900c9379c7ac7c42597d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da2c4362ccbbdbf2aa710e659c807490c02b2575f900c9379c7ac7c42597d89", kill_on_drop: false }`
[INFO] [stdout] 8da2c4362ccbbdbf2aa710e659c807490c02b2575f900c9379c7ac7c42597d89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 86b7bcc33d4dd320b6e71e74fb55fb8c906064c038ade32a07d12c5b6cee7e46
[INFO] running `Command { std: "docker" "start" "-a" "86b7bcc33d4dd320b6e71e74fb55fb8c906064c038ade32a07d12c5b6cee7e46", kill_on_drop: false }`
[INFO] [stderr]  Documenting vending_machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/vending/mod.rs:18:35
[INFO] [stdout]    |
[INFO] [stdout] 18 |             remainder => price += (NICKEL - remainder)
[INFO] [stdout]    |                                   ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -             remainder => price += (NICKEL - remainder)
[INFO] [stdout] 18 +             remainder => price += NICKEL - remainder
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "86b7bcc33d4dd320b6e71e74fb55fb8c906064c038ade32a07d12c5b6cee7e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b7bcc33d4dd320b6e71e74fb55fb8c906064c038ade32a07d12c5b6cee7e46", kill_on_drop: false }`
[INFO] [stdout] 86b7bcc33d4dd320b6e71e74fb55fb8c906064c038ade32a07d12c5b6cee7e46