[INFO] fetching crate godot_rust_helper 4.0.1...
[INFO] documenting godot_rust_helper-4.0.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate godot_rust_helper 4.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate godot_rust_helper 4.0.1 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 godot_rust_helper 4.0.1
[INFO] finished tweaking crates.io crate godot_rust_helper 4.0.1
[INFO] tweaked toml for crates.io crate godot_rust_helper 4.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate godot_rust_helper 4.0.1 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 assert_cmd v0.10.2
[INFO] [stderr]   Downloaded dunce v1.0.0
[INFO] [stderr]   Downloaded predicates v1.0.4
[INFO] [stderr]   Downloaded predicates-core v1.0.0
[INFO] [stderr]   Downloaded pathdiff v0.2.0
[INFO] [stderr]   Downloaded serde_json v1.0.52
[INFO] [stderr]   Downloaded inotify v0.7.0
[INFO] [stderr]   Downloaded treeline v0.1.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.0
[INFO] [stderr]   Downloaded float-cmp v0.6.0
[INFO] [stderr]   Downloaded regex v1.3.7
[INFO] [stderr]   Downloaded filetime v0.2.9
[INFO] [stderr]   Downloaded path-slash v0.1.1
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded escargot v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bfab51faf4912b5f4f12d8b211adae5db1e75bd2bc409ef12a86d48823710496
[INFO] running `Command { std: "docker" "start" "-a" "bfab51faf4912b5f4f12d8b211adae5db1e75bd2bc409ef12a86d48823710496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfab51faf4912b5f4f12d8b211adae5db1e75bd2bc409ef12a86d48823710496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfab51faf4912b5f4f12d8b211adae5db1e75bd2bc409ef12a86d48823710496", kill_on_drop: false }`
[INFO] [stdout] bfab51faf4912b5f4f12d8b211adae5db1e75bd2bc409ef12a86d48823710496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] fddfde64891f9c6b08a1ceef2adc0fbcaf025ee146f9563bf7510c76cd4b9633
[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" "fddfde64891f9c6b08a1ceef2adc0fbcaf025ee146f9563bf7510c76cd4b9633", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking path-slash v0.1.1
[INFO] [stderr]     Checking dunce v1.0.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]  Documenting godot_rust_helper v4.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.02s
[INFO] running `Command { std: "docker" "inspect" "fddfde64891f9c6b08a1ceef2adc0fbcaf025ee146f9563bf7510c76cd4b9633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fddfde64891f9c6b08a1ceef2adc0fbcaf025ee146f9563bf7510c76cd4b9633", kill_on_drop: false }`
[INFO] [stdout] fddfde64891f9c6b08a1ceef2adc0fbcaf025ee146f9563bf7510c76cd4b9633