[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 1.61.0 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 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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" "+1.61.0" "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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3040c680cf72e700af3a3ee29676568b4d95fc045ceca08b32704a294d15d265
[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" "3040c680cf72e700af3a3ee29676568b4d95fc045ceca08b32704a294d15d265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3040c680cf72e700af3a3ee29676568b4d95fc045ceca08b32704a294d15d265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3040c680cf72e700af3a3ee29676568b4d95fc045ceca08b32704a294d15d265", kill_on_drop: false }`
[INFO] [stdout] 3040c680cf72e700af3a3ee29676568b4d95fc045ceca08b32704a294d15d265
[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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfbd495f8c0c2f83f6b6de87974c2708b13309a481d9f326a20e2c4330cabd30
[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" "dfbd495f8c0c2f83f6b6de87974c2708b13309a481d9f326a20e2c4330cabd30", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 3.38s
[INFO] running `Command { std: "docker" "inspect" "dfbd495f8c0c2f83f6b6de87974c2708b13309a481d9f326a20e2c4330cabd30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfbd495f8c0c2f83f6b6de87974c2708b13309a481d9f326a20e2c4330cabd30", kill_on_drop: false }`
[INFO] [stdout] dfbd495f8c0c2f83f6b6de87974c2708b13309a481d9f326a20e2c4330cabd30
[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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 361e71e36526ee658561f99e5980a03c164ee77650120381aa536adc7da5f0b7
[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" "361e71e36526ee658561f99e5980a03c164ee77650120381aa536adc7da5f0b7", 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 1.62s
[INFO] running `Command { std: "docker" "inspect" "361e71e36526ee658561f99e5980a03c164ee77650120381aa536adc7da5f0b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361e71e36526ee658561f99e5980a03c164ee77650120381aa536adc7da5f0b7", kill_on_drop: false }`
[INFO] [stdout] 361e71e36526ee658561f99e5980a03c164ee77650120381aa536adc7da5f0b7