[INFO] cloning repository https://github.com/frohman04/advent-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frohman04/advent-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrohman04%2Fadvent-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrohman04%2Fadvent-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7167bbd7d079dabb3560fb3faea6ae7b800f08b2
[INFO] documenting frohman04/advent-2020 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%2Ffrohman04%2Fadvent-2020" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frohman04/advent-2020 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/frohman04/advent-2020
[INFO] finished tweaking git repo https://github.com/frohman04/advent-2020
[INFO] tweaked toml for git repo https://github.com/frohman04/advent-2020 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/frohman04/advent-2020 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] f52032e4964ce031fa19a140748f65d606905b4b2ed65db3d58721d18eba471c
[INFO] running `Command { std: "docker" "start" "-a" "f52032e4964ce031fa19a140748f65d606905b4b2ed65db3d58721d18eba471c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f52032e4964ce031fa19a140748f65d606905b4b2ed65db3d58721d18eba471c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f52032e4964ce031fa19a140748f65d606905b4b2ed65db3d58721d18eba471c", kill_on_drop: false }`
[INFO] [stdout] f52032e4964ce031fa19a140748f65d606905b4b2ed65db3d58721d18eba471c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4f2d7cd79d70d7eedad7a7359e07d5c8bf663ce0d1065f9cc6102dbbe2701e8a
[INFO] running `Command { std: "docker" "start" "-a" "4f2d7cd79d70d7eedad7a7359e07d5c8bf663ce0d1065f9cc6102dbbe2701e8a", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]  Documenting advent-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day08_prob02 src/bin/day08-prob02.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=3e762c80a2f45c37 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-968ec89f12a946c3.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-8a1947169ebd8909.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-56add537c7d905c8.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 `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day21_prob01 src/bin/day21-prob01.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=2540b39d0135e9aa -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-968ec89f12a946c3.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-8a1947169ebd8909.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-56add537c7d905c8.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day23_prob01 src/bin/day23-prob01.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=b0a9c9e0e5aa5a18 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-968ec89f12a946c3.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-8a1947169ebd8909.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-56add537c7d905c8.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day02_prob01 src/bin/day02-prob01.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=98b7b88104bf1c1f -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-968ec89f12a946c3.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-8a1947169ebd8909.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-56add537c7d905c8.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4f2d7cd79d70d7eedad7a7359e07d5c8bf663ce0d1065f9cc6102dbbe2701e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2d7cd79d70d7eedad7a7359e07d5c8bf663ce0d1065f9cc6102dbbe2701e8a", kill_on_drop: false }`
[INFO] [stdout] 4f2d7cd79d70d7eedad7a7359e07d5c8bf663ce0d1065f9cc6102dbbe2701e8a