[INFO] fetching crate cargo-lichking 0.9.0...
[INFO] documenting cargo-lichking-0.9.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cargo-lichking 0.9.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cargo-lichking 0.9.0 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 cargo-lichking 0.9.0
[INFO] finished tweaking crates.io crate cargo-lichking 0.9.0
[INFO] tweaked toml for crates.io crate cargo-lichking 0.9.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate cargo-lichking 0.9.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] d1183c6d8fddd2b0cc3d628952337f5364cc85cd9b051d5186bc8ecff081cf69
[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" "d1183c6d8fddd2b0cc3d628952337f5364cc85cd9b051d5186bc8ecff081cf69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1183c6d8fddd2b0cc3d628952337f5364cc85cd9b051d5186bc8ecff081cf69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1183c6d8fddd2b0cc3d628952337f5364cc85cd9b051d5186bc8ecff081cf69", kill_on_drop: false }`
[INFO] [stdout] d1183c6d8fddd2b0cc3d628952337f5364cc85cd9b051d5186bc8ecff081cf69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] dad21f6f24f54fa0d5335edf20d3f10983956d6656f247abd456d6334f616fb2
[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" "dad21f6f24f54fa0d5335edf20d3f10983956d6656f247abd456d6334f616fb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]  Documenting cargo-lichking v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.82s
[INFO] running `Command { std: "docker" "inspect" "dad21f6f24f54fa0d5335edf20d3f10983956d6656f247abd456d6334f616fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad21f6f24f54fa0d5335edf20d3f10983956d6656f247abd456d6334f616fb2", kill_on_drop: false }`
[INFO] [stdout] dad21f6f24f54fa0d5335edf20d3f10983956d6656f247abd456d6334f616fb2