[INFO] cloning repository https://github.com/5hulse/rust-nmr-stuff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/5hulse/rust-nmr-stuff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5hulse%2Frust-nmr-stuff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5hulse%2Frust-nmr-stuff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7be7a4e1ecbf57c92fff70b32d60a1c31144b4a1
[INFO] documenting 5hulse/rust-nmr-stuff against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5hulse%2Frust-nmr-stuff" "/workspace/builds/worker-65/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-65/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/5hulse/rust-nmr-stuff on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/5hulse/rust-nmr-stuff
[INFO] finished tweaking git repo https://github.com/5hulse/rust-nmr-stuff
[INFO] tweaked toml for git repo https://github.com/5hulse/rust-nmr-stuff written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] crate git repo https://github.com/5hulse/rust-nmr-stuff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f07fd40e8f8d57a97b0eb850778b9adfceee52fa9be0ee638b6ea7be6889c0ec
[INFO] running `Command { std: "docker" "start" "-a" "f07fd40e8f8d57a97b0eb850778b9adfceee52fa9be0ee638b6ea7be6889c0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f07fd40e8f8d57a97b0eb850778b9adfceee52fa9be0ee638b6ea7be6889c0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07fd40e8f8d57a97b0eb850778b9adfceee52fa9be0ee638b6ea7be6889c0ec", kill_on_drop: false }`
[INFO] [stdout] f07fd40e8f8d57a97b0eb850778b9adfceee52fa9be0ee638b6ea7be6889c0ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6aa520b2836f2757567f140ef0a8c7024a1f63a81ef4b8d41db3289a37ef5fcd
[INFO] running `Command { std: "docker" "start" "-a" "6aa520b2836f2757567f140ef0a8c7024a1f63a81ef4b8d41db3289a37ef5fcd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ndarray v0.14.0
[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 num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]  Documenting mpm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.68s
[INFO] running `Command { std: "docker" "inspect" "6aa520b2836f2757567f140ef0a8c7024a1f63a81ef4b8d41db3289a37ef5fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aa520b2836f2757567f140ef0a8c7024a1f63a81ef4b8d41db3289a37ef5fcd", kill_on_drop: false }`
[INFO] [stdout] 6aa520b2836f2757567f140ef0a8c7024a1f63a81ef4b8d41db3289a37ef5fcd