[INFO] fetching crate rv 0.10.1...
[INFO] documenting rv-0.10.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rv 0.10.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rv 0.10.1 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 rv 0.10.1
[INFO] finished tweaking crates.io crate rv 0.10.1
[INFO] tweaked toml for crates.io crate rv 0.10.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rv 0.10.1 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 doc-comment v0.3.2
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8807dba7758875e2182c5024360602a342b3ccd4ee600ce4aa417f2bb148bfd8
[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" "8807dba7758875e2182c5024360602a342b3ccd4ee600ce4aa417f2bb148bfd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8807dba7758875e2182c5024360602a342b3ccd4ee600ce4aa417f2bb148bfd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8807dba7758875e2182c5024360602a342b3ccd4ee600ce4aa417f2bb148bfd8", kill_on_drop: false }`
[INFO] [stdout] 8807dba7758875e2182c5024360602a342b3ccd4ee600ce4aa417f2bb148bfd8
[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" "+beta-2020-08-29" "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] 16e12df72e3abb32a907c6adde00b3f9a25ded7cfabaf05bc76a34bf5b4a1905
[INFO] running `Command { std: "docker" "start" "-a" "16e12df72e3abb32a907c6adde00b3f9a25ded7cfabaf05bc76a34bf5b4a1905", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling doc-comment v0.3.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking special v0.8.1
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking nalgebra v0.20.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]  Documenting rv v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.65s
[INFO] running `Command { std: "docker" "inspect" "16e12df72e3abb32a907c6adde00b3f9a25ded7cfabaf05bc76a34bf5b4a1905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e12df72e3abb32a907c6adde00b3f9a25ded7cfabaf05bc76a34bf5b4a1905", kill_on_drop: false }`
[INFO] [stdout] 16e12df72e3abb32a907c6adde00b3f9a25ded7cfabaf05bc76a34bf5b4a1905