[INFO] cloning repository https://github.com/bradsherman/medusa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bradsherman/medusa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbradsherman%2Fmedusa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbradsherman%2Fmedusa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f027e6a9b3272266a6f412808b75f40e6ae19941
[INFO] documenting bradsherman/medusa against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbradsherman%2Fmedusa" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bradsherman/medusa on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bradsherman/medusa
[INFO] finished tweaking git repo https://github.com/bradsherman/medusa
[INFO] tweaked toml for git repo https://github.com/bradsherman/medusa written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/bradsherman/medusa already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.46.0" "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] e252df3e0c68bbf2686d82f60d0b91cb6b6834e21c3dd07d9c8d55bfbf35e70a
[INFO] running `Command { std: "docker" "start" "-a" "e252df3e0c68bbf2686d82f60d0b91cb6b6834e21c3dd07d9c8d55bfbf35e70a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e252df3e0c68bbf2686d82f60d0b91cb6b6834e21c3dd07d9c8d55bfbf35e70a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e252df3e0c68bbf2686d82f60d0b91cb6b6834e21c3dd07d9c8d55bfbf35e70a", kill_on_drop: false }`
[INFO] [stdout] e252df3e0c68bbf2686d82f60d0b91cb6b6834e21c3dd07d9c8d55bfbf35e70a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10538a256fdc50196f895ccd77e2101dceb887663e4a7ad06638d8b6f123c9f2
[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" "10538a256fdc50196f895ccd77e2101dceb887663e4a7ad06638d8b6f123c9f2", kill_on_drop: false }`
[INFO] [stderr]     Checking openssl-sys v0.9.53
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking openssl v0.10.26
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking serde v1.0.103
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]  Documenting medusa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.45s
[INFO] running `Command { std: "docker" "inspect" "10538a256fdc50196f895ccd77e2101dceb887663e4a7ad06638d8b6f123c9f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10538a256fdc50196f895ccd77e2101dceb887663e4a7ad06638d8b6f123c9f2", kill_on_drop: false }`
[INFO] [stdout] 10538a256fdc50196f895ccd77e2101dceb887663e4a7ad06638d8b6f123c9f2