[INFO] cloning repository https://github.com/inq/sprout
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inq/sprout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Fsprout", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Fsprout'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5086aaac24579baf3df150420906d9d382f8791c
[INFO] documenting inq/sprout against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Fsprout" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/inq/sprout on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/inq/sprout
[INFO] finished tweaking git repo https://github.com/inq/sprout
[INFO] tweaked toml for git repo https://github.com/inq/sprout written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/inq/sprout already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pom v1.1.0
[INFO] [stderr]   Downloaded lopdf v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] d4685f5ae00e40757725578ba91cb53822b555180d14a277d94ac2467286183f
[INFO] running `Command { std: "docker" "start" "-a" "d4685f5ae00e40757725578ba91cb53822b555180d14a277d94ac2467286183f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4685f5ae00e40757725578ba91cb53822b555180d14a277d94ac2467286183f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4685f5ae00e40757725578ba91cb53822b555180d14a277d94ac2467286183f", kill_on_drop: false }`
[INFO] [stdout] d4685f5ae00e40757725578ba91cb53822b555180d14a277d94ac2467286183f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] aa2577f56ef6b387c7ebebe6c1a7851537291a7b85cbc34c9303971d05fa172f
[INFO] running `Command { std: "docker" "start" "-a" "aa2577f56ef6b387c7ebebe6c1a7851537291a7b85cbc34c9303971d05fa172f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking svg v0.5.12
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking ghakuf v0.5.3
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking lopdf v0.19.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]  Documenting sprout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.57s
[INFO] running `Command { std: "docker" "inspect" "aa2577f56ef6b387c7ebebe6c1a7851537291a7b85cbc34c9303971d05fa172f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2577f56ef6b387c7ebebe6c1a7851537291a7b85cbc34c9303971d05fa172f", kill_on_drop: false }`
[INFO] [stdout] aa2577f56ef6b387c7ebebe6c1a7851537291a7b85cbc34c9303971d05fa172f