[INFO] cloning repository https://github.com/donjar/advent-of-code-2017-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/donjar/advent-of-code-2017-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdonjar%2Fadvent-of-code-2017-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdonjar%2Fadvent-of-code-2017-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e1efeae0312bf911de91824316a9aa9a919f984
[INFO] documenting donjar/advent-of-code-2017-rust against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdonjar%2Fadvent-of-code-2017-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/donjar/advent-of-code-2017-rust on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/donjar/advent-of-code-2017-rust
[INFO] finished tweaking git repo https://github.com/donjar/advent-of-code-2017-rust
[INFO] tweaked toml for git repo https://github.com/donjar/advent-of-code-2017-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/donjar/advent-of-code-2017-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6115c6c42b61e31d53a8eac13fa2cb9b019a54c0744cdd55662233b73726221b
[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" "6115c6c42b61e31d53a8eac13fa2cb9b019a54c0744cdd55662233b73726221b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6115c6c42b61e31d53a8eac13fa2cb9b019a54c0744cdd55662233b73726221b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6115c6c42b61e31d53a8eac13fa2cb9b019a54c0744cdd55662233b73726221b", kill_on_drop: false }`
[INFO] [stdout] 6115c6c42b61e31d53a8eac13fa2cb9b019a54c0744cdd55662233b73726221b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] ae5edb0e73f69bf9e4d91979eb7efeca80e22bd18369981a821b7ccc924567f1
[INFO] running `Command { std: "docker" "start" "-a" "ae5edb0e73f69bf9e4d91979eb7efeca80e22bd18369981a821b7ccc924567f1", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling unindent v0.1.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.41
[INFO] [stderr]    Compiling proc-macro-hack v0.4.0
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]    Compiling indoc-impl v0.2.3
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking indoc v0.2.3
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]  Documenting advent_of_code_2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.55s
[INFO] running `Command { std: "docker" "inspect" "ae5edb0e73f69bf9e4d91979eb7efeca80e22bd18369981a821b7ccc924567f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5edb0e73f69bf9e4d91979eb7efeca80e22bd18369981a821b7ccc924567f1", kill_on_drop: false }`
[INFO] [stdout] ae5edb0e73f69bf9e4d91979eb7efeca80e22bd18369981a821b7ccc924567f1