[INFO] cloning repository https://github.com/acw/advent2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acw/advent2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facw%2Fadvent2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facw%2Fadvent2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e97b7a4c332a80e6cd0af58e0eae16bd5333ee51
[INFO] documenting acw/advent2021 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%2Facw%2Fadvent2021" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acw/advent2021 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/acw/advent2021
[INFO] finished tweaking git repo https://github.com/acw/advent2021
[INFO] tweaked toml for git repo https://github.com/acw/advent2021 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/acw/advent2021 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] [stdout] 4ee9e73b9dfc4f543b040509dacd2636eda1dc4ed6d00662189fac945635ad89
[INFO] running `Command { std: "docker" "start" "-a" "4ee9e73b9dfc4f543b040509dacd2636eda1dc4ed6d00662189fac945635ad89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ee9e73b9dfc4f543b040509dacd2636eda1dc4ed6d00662189fac945635ad89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee9e73b9dfc4f543b040509dacd2636eda1dc4ed6d00662189fac945635ad89", kill_on_drop: false }`
[INFO] [stdout] 4ee9e73b9dfc4f543b040509dacd2636eda1dc4ed6d00662189fac945635ad89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] [stdout] 611488a6444105f95a627d8c2e1fd0d9b15e06e5c6e184a42cf45a0865a52ae6
[INFO] running `Command { std: "docker" "start" "-a" "611488a6444105f95a627d8c2e1fd0d9b15e06e5c6e184a42cf45a0865a52ae6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking pathfinding v3.0.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking advent2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting advent2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `advent2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day17 src/bin/day17.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=b02e379e04f86e51 -L dependency=/opt/rustwide/target/debug/deps --extern advent2021=/opt/rustwide/target/debug/deps/libadvent2021-529c2fbaaac8194b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern pathfinding=/opt/rustwide/target/debug/deps/libpathfinding-8a780b1faff8ee3a.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-05076cd361863081.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `advent2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day8 src/bin/day8.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=e2aa43e9c23a0080 -L dependency=/opt/rustwide/target/debug/deps --extern advent2021=/opt/rustwide/target/debug/deps/libadvent2021-529c2fbaaac8194b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern pathfinding=/opt/rustwide/target/debug/deps/libpathfinding-8a780b1faff8ee3a.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-05076cd361863081.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day16 src/bin/day16.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=c8e9fb9d2c15d5dc -L dependency=/opt/rustwide/target/debug/deps --extern advent2021=/opt/rustwide/target/debug/deps/libadvent2021-529c2fbaaac8194b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern pathfinding=/opt/rustwide/target/debug/deps/libpathfinding-8a780b1faff8ee3a.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-05076cd361863081.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day12 src/bin/day12.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=35db98b6389fe95d -L dependency=/opt/rustwide/target/debug/deps --extern advent2021=/opt/rustwide/target/debug/deps/libadvent2021-529c2fbaaac8194b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern pathfinding=/opt/rustwide/target/debug/deps/libpathfinding-8a780b1faff8ee3a.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-05076cd361863081.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day5 src/bin/day5.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=5be96d056411d6a9 -L dependency=/opt/rustwide/target/debug/deps --extern advent2021=/opt/rustwide/target/debug/deps/libadvent2021-529c2fbaaac8194b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern pathfinding=/opt/rustwide/target/debug/deps/libpathfinding-8a780b1faff8ee3a.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-05076cd361863081.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "611488a6444105f95a627d8c2e1fd0d9b15e06e5c6e184a42cf45a0865a52ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "611488a6444105f95a627d8c2e1fd0d9b15e06e5c6e184a42cf45a0865a52ae6", kill_on_drop: false }`
[INFO] [stdout] 611488a6444105f95a627d8c2e1fd0d9b15e06e5c6e184a42cf45a0865a52ae6