[INFO] cloning repository https://github.com/JessJNielsen/advent_of_code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JessJNielsen/advent_of_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJessJNielsen%2Fadvent_of_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJessJNielsen%2Fadvent_of_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bae9018f2e36d13a0a04a39e36391de6e50f8bee
[INFO] documenting JessJNielsen/advent_of_code 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%2FJessJNielsen%2Fadvent_of_code" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JessJNielsen/advent_of_code 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/JessJNielsen/advent_of_code
[INFO] finished tweaking git repo https://github.com/JessJNielsen/advent_of_code
[INFO] tweaked toml for git repo https://github.com/JessJNielsen/advent_of_code written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/JessJNielsen/advent_of_code 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a61a394ef4988b07fa2c2a961ed6eae596d0368fe669d9d09aec83706331444e
[INFO] running `Command { std: "docker" "start" "-a" "a61a394ef4988b07fa2c2a961ed6eae596d0368fe669d9d09aec83706331444e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a61a394ef4988b07fa2c2a961ed6eae596d0368fe669d9d09aec83706331444e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61a394ef4988b07fa2c2a961ed6eae596d0368fe669d9d09aec83706331444e", kill_on_drop: false }`
[INFO] [stdout] a61a394ef4988b07fa2c2a961ed6eae596d0368fe669d9d09aec83706331444e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] fbff2f6627aadacd89f20948df6ec5328481bc73d51bab3b28a961e3748c6bce
[INFO] running `Command { std: "docker" "start" "-a" "fbff2f6627aadacd89f20948df6ec5328481bc73d51bab3b28a961e3748c6bce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking day_04 v0.1.0 (/opt/rustwide/workdir/days/day_04)
[INFO] [stderr]     Checking day_05 v0.1.0 (/opt/rustwide/workdir/days/day_05)
[INFO] [stderr]     Checking day_06 v0.1.0 (/opt/rustwide/workdir/days/day_06)
[INFO] [stderr]  Documenting day_04 v0.1.0 (/opt/rustwide/workdir/days/day_04)
[INFO] [stderr]  Documenting day_05 v0.1.0 (/opt/rustwide/workdir/days/day_05)
[INFO] [stderr]  Documenting day_06 v0.1.0 (/opt/rustwide/workdir/days/day_06)
[INFO] [stdout] warning: unused import: `Itertools`
[INFO] [stdout]  --> days/day_05/src/lib.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use itertools::{Itertools, zip_eq};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> days/day_04/src/lib.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         write!(f, "## ## ## ## ##\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> days/day_04/src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         write!(f, "## {} ##\n", board.name);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> days/day_04/src/lib.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         write!(f, "## ## ## ## ##");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> days/day_04/src/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |             write!(f, "\n{}", row);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking day_01 v0.1.0 (/opt/rustwide/workdir/days/day_01)
[INFO] [stderr]     Checking day_03 v0.1.0 (/opt/rustwide/workdir/days/day_03)
[INFO] [stderr]     Checking day_02 v0.1.0 (/opt/rustwide/workdir/days/day_02)
[INFO] [stderr]  Documenting day_01 v0.1.0 (/opt/rustwide/workdir/days/day_01)
[INFO] [stderr]  Documenting day_03 v0.1.0 (/opt/rustwide/workdir/days/day_03)
[INFO] [stderr]  Documenting day_02 v0.1.0 (/opt/rustwide/workdir/days/day_02)
[INFO] [stderr]  Documenting taskrunner v0.1.0 (/opt/rustwide/workdir/taskrunner)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.09s
[INFO] running `Command { std: "docker" "inspect" "fbff2f6627aadacd89f20948df6ec5328481bc73d51bab3b28a961e3748c6bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbff2f6627aadacd89f20948df6ec5328481bc73d51bab3b28a961e3748c6bce", kill_on_drop: false }`
[INFO] [stdout] fbff2f6627aadacd89f20948df6ec5328481bc73d51bab3b28a961e3748c6bce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 0444a004bbee30e905bc8f99e077722779aa145f132a6c8efecd018b3d4c019f
[INFO] running `Command { std: "docker" "start" "-a" "0444a004bbee30e905bc8f99e077722779aa145f132a6c8efecd018b3d4c019f", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "0444a004bbee30e905bc8f99e077722779aa145f132a6c8efecd018b3d4c019f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0444a004bbee30e905bc8f99e077722779aa145f132a6c8efecd018b3d4c019f", kill_on_drop: false }`
[INFO] [stdout] 0444a004bbee30e905bc8f99e077722779aa145f132a6c8efecd018b3d4c019f