[INFO] fetching crate ritual 0.0.0...
[INFO] documenting ritual-0.0.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate ritual 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ritual 0.0.0 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 crates.io crate ritual 0.0.0
[INFO] finished tweaking crates.io crate ritual 0.0.0
[INFO] tweaked toml for crates.io crate ritual 0.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f6be3201238fab4f41f6486efe2a76d8beb1ab9b9596ffe7ccd5ce331f548803
[INFO] running `Command { std: "docker" "start" "-a" "f6be3201238fab4f41f6486efe2a76d8beb1ab9b9596ffe7ccd5ce331f548803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6be3201238fab4f41f6486efe2a76d8beb1ab9b9596ffe7ccd5ce331f548803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6be3201238fab4f41f6486efe2a76d8beb1ab9b9596ffe7ccd5ce331f548803", kill_on_drop: false }`
[INFO] [stdout] f6be3201238fab4f41f6486efe2a76d8beb1ab9b9596ffe7ccd5ce331f548803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6b8ca99540eec27eef8a6ed2c6354bf006d4d118d04f3de19ec875d04d6bf636
[INFO] running `Command { std: "docker" "start" "-a" "6b8ca99540eec27eef8a6ed2c6354bf006d4d118d04f3de19ec875d04d6bf636", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking ritual_common v0.0.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking clang v0.20.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]  Documenting ritual v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.24s
[INFO] running `Command { std: "docker" "inspect" "6b8ca99540eec27eef8a6ed2c6354bf006d4d118d04f3de19ec875d04d6bf636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b8ca99540eec27eef8a6ed2c6354bf006d4d118d04f3de19ec875d04d6bf636", kill_on_drop: false }`
[INFO] [stdout] 6b8ca99540eec27eef8a6ed2c6354bf006d4d118d04f3de19ec875d04d6bf636