[INFO] updating cached repository https://github.com/m-r-r/helianto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0358bfa89ac9b06ec81f2e21fa015a44669e9f78
[INFO] documenting m-r-r/helianto against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-r-r%2Fhelianto" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/m-r-r/helianto 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/m-r-r/helianto
[INFO] finished tweaking git repo https://github.com/m-r-r/helianto
[INFO] tweaked toml for git repo https://github.com/m-r-r/helianto written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/m-r-r/helianto 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] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 76eb05bca0a72165bcf136f02cf63f6cd0fed7aa569c78bef353cb20ed8aea3d
[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" "76eb05bca0a72165bcf136f02cf63f6cd0fed7aa569c78bef353cb20ed8aea3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76eb05bca0a72165bcf136f02cf63f6cd0fed7aa569c78bef353cb20ed8aea3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76eb05bca0a72165bcf136f02cf63f6cd0fed7aa569c78bef353cb20ed8aea3d", kill_on_drop: false }`
[INFO] [stdout] 76eb05bca0a72165bcf136f02cf63f6cd0fed7aa569c78bef353cb20ed8aea3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] efb85e630d8c6b3f1fef9c6e6f79e55a7ef65256b1338d8200b25c75796dffd5
[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" "efb85e630d8c6b3f1fef9c6e6f79e55a7ef65256b1338d8200b25c75796dffd5", kill_on_drop: false }`
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking toml v0.1.30
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking handlebars v0.16.1
[INFO] [stderr]     Checking pulldown-cmark v0.0.7
[INFO] [stderr]     Checking term-painter v0.2.4
[INFO] [stderr]     Checking stdio_logger v0.1.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]  Documenting helianto v0.1.0-beta1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.21s
[INFO] running `Command { std: "docker" "inspect" "efb85e630d8c6b3f1fef9c6e6f79e55a7ef65256b1338d8200b25c75796dffd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efb85e630d8c6b3f1fef9c6e6f79e55a7ef65256b1338d8200b25c75796dffd5", kill_on_drop: false }`
[INFO] [stdout] efb85e630d8c6b3f1fef9c6e6f79e55a7ef65256b1338d8200b25c75796dffd5