[INFO] fetching crate subparse 0.6.2...
[INFO] documenting subparse-0.6.2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate subparse 0.6.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate subparse 0.6.2 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 subparse 0.6.2
[INFO] finished tweaking crates.io crate subparse 0.6.2
[INFO] tweaked toml for crates.io crate subparse 0.6.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate subparse 0.6.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 31da91cd16ee52778012c930d20e43437801f89079fdbad93293bb6b5cf6823c
[INFO] running `Command { std: "docker" "start" "-a" "31da91cd16ee52778012c930d20e43437801f89079fdbad93293bb6b5cf6823c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31da91cd16ee52778012c930d20e43437801f89079fdbad93293bb6b5cf6823c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31da91cd16ee52778012c930d20e43437801f89079fdbad93293bb6b5cf6823c", kill_on_drop: false }`
[INFO] [stdout] 31da91cd16ee52778012c930d20e43437801f89079fdbad93293bb6b5cf6823c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca12b59afcb1c239f46c32beb6c3d35367d6e18c7d0c35368f572c923e5f89c9
[INFO] running `Command { std: "docker" "start" "-a" "ca12b59afcb1c239f46c32beb6c3d35367d6e18c7d0c35368f572c923e5f89c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking vobsub v0.2.3
[INFO] [stderr]  Documenting subparse v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.89s
[INFO] running `Command { std: "docker" "inspect" "ca12b59afcb1c239f46c32beb6c3d35367d6e18c7d0c35368f572c923e5f89c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca12b59afcb1c239f46c32beb6c3d35367d6e18c7d0c35368f572c923e5f89c9", kill_on_drop: false }`
[INFO] [stdout] ca12b59afcb1c239f46c32beb6c3d35367d6e18c7d0c35368f572c923e5f89c9