[INFO] fetching crate autograd 1.0.2...
[INFO] documenting autograd-1.0.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate autograd 1.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate autograd 1.0.2 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 autograd 1.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate autograd 1.0.2
[INFO] tweaked toml for crates.io crate autograd 1.0.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate autograd 1.0.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intel-mkl-src v0.2.5
[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] 425174dabf7e6afd3d7fd9bf160a33566f58c9921a2b6cbda6f62a6351873e38
[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" "425174dabf7e6afd3d7fd9bf160a33566f58c9921a2b6cbda6f62a6351873e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "425174dabf7e6afd3d7fd9bf160a33566f58c9921a2b6cbda6f62a6351873e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425174dabf7e6afd3d7fd9bf160a33566f58c9921a2b6cbda6f62a6351873e38", kill_on_drop: false }`
[INFO] [stdout] 425174dabf7e6afd3d7fd9bf160a33566f58c9921a2b6cbda6f62a6351873e38
[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] 64d9a65ca41acf8e0b05a3e096331c3d3ab66be1416c416a9288c649d3c8f545
[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" "64d9a65ca41acf8e0b05a3e096331c3d3ab66be1416c416a9288c649d3c8f545", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]  Documenting autograd v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.51s
[INFO] running `Command { std: "docker" "inspect" "64d9a65ca41acf8e0b05a3e096331c3d3ab66be1416c416a9288c649d3c8f545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d9a65ca41acf8e0b05a3e096331c3d3ab66be1416c416a9288c649d3c8f545", kill_on_drop: false }`
[INFO] [stdout] 64d9a65ca41acf8e0b05a3e096331c3d3ab66be1416c416a9288c649d3c8f545