[INFO] cloning repository https://github.com/chip2n/dragonroll
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chip2n/dragonroll" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchip2n%2Fdragonroll", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchip2n%2Fdragonroll'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e369d5f6be8b0c4773c73fef1b6e3548644c92e3
[INFO] documenting chip2n/dragonroll 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%2Fchip2n%2Fdragonroll" "/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/chip2n/dragonroll 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/chip2n/dragonroll
[INFO] finished tweaking git repo https://github.com/chip2n/dragonroll
[INFO] tweaked toml for git repo https://github.com/chip2n/dragonroll written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/chip2n/dragonroll 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] [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-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" "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] [stdout] 4849fa5ec5fd7962c0468a17346ef21c5751a06b00dae505dddd85e030d77a09
[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" "4849fa5ec5fd7962c0468a17346ef21c5751a06b00dae505dddd85e030d77a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4849fa5ec5fd7962c0468a17346ef21c5751a06b00dae505dddd85e030d77a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4849fa5ec5fd7962c0468a17346ef21c5751a06b00dae505dddd85e030d77a09", kill_on_drop: false }`
[INFO] [stdout] 4849fa5ec5fd7962c0468a17346ef21c5751a06b00dae505dddd85e030d77a09
[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" "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] 1e005ae118950bdd06742a88d866761c2035fb04a80b115da4fa62c0bb351afb
[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" "1e005ae118950bdd06742a88d866761c2035fb04a80b115da4fa62c0bb351afb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.4.4
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]     Checking enum-map v0.6.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]     Checking enumset v1.0.0
[INFO] [stderr]     Checking cursive_core v0.1.1
[INFO] [stderr]     Checking cursive v0.15.0
[INFO] [stderr]  Documenting cursive-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.76s
[INFO] running `Command { std: "docker" "inspect" "1e005ae118950bdd06742a88d866761c2035fb04a80b115da4fa62c0bb351afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e005ae118950bdd06742a88d866761c2035fb04a80b115da4fa62c0bb351afb", kill_on_drop: false }`
[INFO] [stdout] 1e005ae118950bdd06742a88d866761c2035fb04a80b115da4fa62c0bb351afb