[INFO] cloning repository https://github.com/jacobian/advent2018-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacobian/advent2018-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobian%2Fadvent2018-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobian%2Fadvent2018-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a73e1a877da7de2158c97e48494fd7515b4bad5
[INFO] documenting jacobian/advent2018-rust 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%2Fjacobian%2Fadvent2018-rust" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jacobian/advent2018-rust 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/jacobian/advent2018-rust
[INFO] finished tweaking git repo https://github.com/jacobian/advent2018-rust
[INFO] tweaked toml for git repo https://github.com/jacobian/advent2018-rust written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/jacobian/advent2018-rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] c9e5f7a0d4e9c3d73e17b73ce62c2180054c887581e01e0c7272b9dd04ac4df3
[INFO] running `Command { std: "docker" "start" "-a" "c9e5f7a0d4e9c3d73e17b73ce62c2180054c887581e01e0c7272b9dd04ac4df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9e5f7a0d4e9c3d73e17b73ce62c2180054c887581e01e0c7272b9dd04ac4df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e5f7a0d4e9c3d73e17b73ce62c2180054c887581e01e0c7272b9dd04ac4df3", kill_on_drop: false }`
[INFO] [stdout] c9e5f7a0d4e9c3d73e17b73ce62c2180054c887581e01e0c7272b9dd04ac4df3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 35cb54f07db9c71fcc8ad9aa5844a7d48bbae3d4a36a87dfac2e156347ee8748
[INFO] running `Command { std: "docker" "start" "-a" "35cb54f07db9c71fcc8ad9aa5844a7d48bbae3d4a36a87dfac2e156347ee8748", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]  Documenting utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]  Documenting advent1_1 v0.1.0 (/opt/rustwide/workdir/advent1_1)
[INFO] [stderr]  Documenting advent2_1 v0.1.0 (/opt/rustwide/workdir/advent2_1)
[INFO] [stderr]  Documenting advent1_2 v0.1.0 (/opt/rustwide/workdir/advent1_2)
[INFO] [stderr]  Documenting advent2_2 v0.1.0 (/opt/rustwide/workdir/advent2_2)
[INFO] [stderr]  Documenting advent5_1 v0.1.0 (/opt/rustwide/workdir/advent5_1)
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]  Documenting advent4_1 v0.1.0 (/opt/rustwide/workdir/advent4_1)
[INFO] [stderr]  Documenting advent3_2 v0.1.0 (/opt/rustwide/workdir/advent3_2)
[INFO] [stderr]  Documenting advent3_1 v0.1.0 (/opt/rustwide/workdir/advent3_1)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.53s
[INFO] running `Command { std: "docker" "inspect" "35cb54f07db9c71fcc8ad9aa5844a7d48bbae3d4a36a87dfac2e156347ee8748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35cb54f07db9c71fcc8ad9aa5844a7d48bbae3d4a36a87dfac2e156347ee8748", kill_on_drop: false }`
[INFO] [stdout] 35cb54f07db9c71fcc8ad9aa5844a7d48bbae3d4a36a87dfac2e156347ee8748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] abcdcdf39985db0211900693a81fd44889cabded46b3df7af98936f17c8a9cc4
[INFO] running `Command { std: "docker" "start" "-a" "abcdcdf39985db0211900693a81fd44889cabded46b3df7af98936f17c8a9cc4", 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" "abcdcdf39985db0211900693a81fd44889cabded46b3df7af98936f17c8a9cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abcdcdf39985db0211900693a81fd44889cabded46b3df7af98936f17c8a9cc4", kill_on_drop: false }`
[INFO] [stdout] abcdcdf39985db0211900693a81fd44889cabded46b3df7af98936f17c8a9cc4