[INFO] cloning repository https://github.com/Cestquilepatron/explain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cestquilepatron/explain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCestquilepatron%2Fexplain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCestquilepatron%2Fexplain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28158463d4daea12ba0516707ba848c84a5531cf
[INFO] documenting Cestquilepatron/explain against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCestquilepatron%2Fexplain" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cestquilepatron/explain on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cestquilepatron/explain
[INFO] finished tweaking git repo https://github.com/Cestquilepatron/explain
[INFO] tweaked toml for git repo https://github.com/Cestquilepatron/explain written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Cestquilepatron/explain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 49b5ef7a78c6d7f634c51a68829f395a99d7b0e5a45a177a34c05f323a4db2a3
[INFO] running `Command { std: "docker" "start" "-a" "49b5ef7a78c6d7f634c51a68829f395a99d7b0e5a45a177a34c05f323a4db2a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49b5ef7a78c6d7f634c51a68829f395a99d7b0e5a45a177a34c05f323a4db2a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b5ef7a78c6d7f634c51a68829f395a99d7b0e5a45a177a34c05f323a4db2a3", kill_on_drop: false }`
[INFO] [stdout] 49b5ef7a78c6d7f634c51a68829f395a99d7b0e5a45a177a34c05f323a4db2a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f0cb427c3c86eb036c45e2eb4e5cffe47582fe907ad6e3bd7e3b2709db5e26b
[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" "6f0cb427c3c86eb036c45e2eb4e5cffe47582fe907ad6e3bd7e3b2709db5e26b", 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] [stderr]     Checking streaming-iterator v0.1.5
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking aries_collections v0.1.0 (https://github.com/arthur-bit-monnot/aries#73ab9100)
[INFO] [stderr]     Checking simba v0.1.5
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking aries_planning v0.1.0 (https://github.com/arthur-bit-monnot/aries#73ab9100)
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking nalgebra v0.21.1
[INFO] [stderr]  Documenting explain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.22s
[INFO] running `Command { std: "docker" "inspect" "6f0cb427c3c86eb036c45e2eb4e5cffe47582fe907ad6e3bd7e3b2709db5e26b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0cb427c3c86eb036c45e2eb4e5cffe47582fe907ad6e3bd7e3b2709db5e26b", kill_on_drop: false }`
[INFO] [stdout] 6f0cb427c3c86eb036c45e2eb4e5cffe47582fe907ad6e3bd7e3b2709db5e26b