[INFO] fetching crate rusty-man 0.2.0...
[INFO] documenting rusty-man-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rusty-man 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rusty-man 0.2.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty-man 0.2.0
[INFO] finished tweaking crates.io crate rusty-man 0.2.0
[INFO] tweaked toml for crates.io crate rusty-man 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rusty-man 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm v0.17.7
[INFO] [stderr]   Downloaded pager v0.15.0
[INFO] [stderr]   Downloaded html2text v0.1.12
[INFO] [stderr]   Downloaded kuchiki v0.8.0
[INFO] [stderr]   Downloaded serde_tuple v0.5.0
[INFO] [stderr]   Downloaded serde_tuple_macros v0.5.0
[INFO] [stderr]   Downloaded syntect v4.3.0
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87929237faac73c86f954a66ef873db525aba7f39725126f236bc94d20118ada
[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" "87929237faac73c86f954a66ef873db525aba7f39725126f236bc94d20118ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87929237faac73c86f954a66ef873db525aba7f39725126f236bc94d20118ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87929237faac73c86f954a66ef873db525aba7f39725126f236bc94d20118ada", kill_on_drop: false }`
[INFO] [stdout] 87929237faac73c86f954a66ef873db525aba7f39725126f236bc94d20118ada
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3a675bab347fa530ab5d65df94f87331263339c892a4ed1f6099a8f0e1fe04e
[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" "b3a675bab347fa530ab5d65df94f87331263339c892a4ed1f6099a8f0e1fe04e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling onig_sys v69.5.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking errno v0.2.6
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking pager v0.15.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking onig v6.0.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling serde_tuple_macros v0.5.0
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking plist v1.0.0
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_tuple v0.5.0
[INFO] [stderr]     Checking syntect v4.3.0
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking kuchiki v0.8.0
[INFO] [stderr]     Checking html2text v0.1.12
[INFO] [stderr]  Documenting rusty-man v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `Command { std: "docker" "inspect" "b3a675bab347fa530ab5d65df94f87331263339c892a4ed1f6099a8f0e1fe04e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a675bab347fa530ab5d65df94f87331263339c892a4ed1f6099a8f0e1fe04e", kill_on_drop: false }`
[INFO] [stdout] b3a675bab347fa530ab5d65df94f87331263339c892a4ed1f6099a8f0e1fe04e