[INFO] fetching crate grex 1.1.0...
[INFO] documenting grex-1.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate grex 1.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate grex 1.1.0 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 grex 1.1.0
[INFO] finished tweaking crates.io crate grex 1.1.0
[INFO] tweaked toml for crates.io crate grex 1.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate grex 1.1.0 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 40927ab7440f0d9d1b3a4fc57b0a2af7ea6e33dcc2147dd608fbb66c385ff4ed
[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" "40927ab7440f0d9d1b3a4fc57b0a2af7ea6e33dcc2147dd608fbb66c385ff4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40927ab7440f0d9d1b3a4fc57b0a2af7ea6e33dcc2147dd608fbb66c385ff4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40927ab7440f0d9d1b3a4fc57b0a2af7ea6e33dcc2147dd608fbb66c385ff4ed", kill_on_drop: false }`
[INFO] [stdout] 40927ab7440f0d9d1b3a4fc57b0a2af7ea6e33dcc2147dd608fbb66c385ff4ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] f2640d3feb68b7c7e35f0372a146a6d33b915530a360355909e9e60165d475dc
[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" "f2640d3feb68b7c7e35f0372a146a6d33b915530a360355909e9e60165d475dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking num-traits v0.2.11
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-ucd-category v0.9.0
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.6
[INFO] [stderr]     Checking structopt v0.3.13
[INFO] [stderr]  Documenting grex v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.81s
[INFO] running `Command { std: "docker" "inspect" "f2640d3feb68b7c7e35f0372a146a6d33b915530a360355909e9e60165d475dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2640d3feb68b7c7e35f0372a146a6d33b915530a360355909e9e60165d475dc", kill_on_drop: false }`
[INFO] [stdout] f2640d3feb68b7c7e35f0372a146a6d33b915530a360355909e9e60165d475dc