[INFO] fetching crate pprof 0.3.18...
[INFO] documenting pprof-0.3.18 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate pprof 0.3.18 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pprof 0.3.18 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 crates.io crate pprof 0.3.18
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pprof 0.3.18
[INFO] tweaked toml for crates.io crate pprof 0.3.18 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate pprof 0.3.18 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 49126ead2cfd79ec92a330871d87ab2a88b300135a2547f90d0dac3a85fa2ec1
[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" "49126ead2cfd79ec92a330871d87ab2a88b300135a2547f90d0dac3a85fa2ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49126ead2cfd79ec92a330871d87ab2a88b300135a2547f90d0dac3a85fa2ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49126ead2cfd79ec92a330871d87ab2a88b300135a2547f90d0dac3a85fa2ec1", kill_on_drop: false }`
[INFO] [stdout] 49126ead2cfd79ec92a330871d87ab2a88b300135a2547f90d0dac3a85fa2ec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] caf5eee521924940ec7b5af8597e9267dd0e04a934a2ac98031476ce9b07333f
[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" "caf5eee521924940ec7b5af8597e9267dd0e04a934a2ac98031476ce9b07333f", 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] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling pprof v0.3.18 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cpp_demangle v0.3.0
[INFO] [stderr]    Compiling symbolic-demangle v7.4.0
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]     Checking lock_api v0.4.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking msvc-demangler v0.8.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking symbolic-common v7.4.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]  Documenting pprof v0.3.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.45s
[INFO] running `Command { std: "docker" "inspect" "caf5eee521924940ec7b5af8597e9267dd0e04a934a2ac98031476ce9b07333f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf5eee521924940ec7b5af8597e9267dd0e04a934a2ac98031476ce9b07333f", kill_on_drop: false }`
[INFO] [stdout] caf5eee521924940ec7b5af8597e9267dd0e04a934a2ac98031476ce9b07333f