[INFO] fetching crate subparse 0.6.2...
[INFO] documenting subparse-0.6.2 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate subparse 0.6.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate subparse 0.6.2 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-3/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3c8d01e61fab52f03448f7a3819ee332a0ed4fe539467f4140f0050a679f534
[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" "b3c8d01e61fab52f03448f7a3819ee332a0ed4fe539467f4140f0050a679f534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3c8d01e61fab52f03448f7a3819ee332a0ed4fe539467f4140f0050a679f534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c8d01e61fab52f03448f7a3819ee332a0ed4fe539467f4140f0050a679f534", kill_on_drop: false }`
[INFO] [stdout] b3c8d01e61fab52f03448f7a3819ee332a0ed4fe539467f4140f0050a679f534
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e51796296db504624f5183a46941b2aed6a0ce5f35e32e9389163894b785ebb2
[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" "e51796296db504624f5183a46941b2aed6a0ce5f35e32e9389163894b785ebb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking failure v0.1.5
[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 25.32s
[INFO] running `Command { std: "docker" "inspect" "e51796296db504624f5183a46941b2aed6a0ce5f35e32e9389163894b785ebb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51796296db504624f5183a46941b2aed6a0ce5f35e32e9389163894b785ebb2", kill_on_drop: false }`
[INFO] [stdout] e51796296db504624f5183a46941b2aed6a0ce5f35e32e9389163894b785ebb2
