[INFO] fetching crate rustils 0.1.23...
[INFO] documenting rustils-0.1.23 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rustils 0.1.23 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rustils 0.1.23 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 rustils 0.1.23
[INFO] finished tweaking crates.io crate rustils 0.1.23
[INFO] tweaked toml for crates.io crate rustils 0.1.23 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rustils 0.1.23 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] 83af8fcb841e0198312517b34c87063a7d50f2afaebc367ae923d5f4735977db
[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" "83af8fcb841e0198312517b34c87063a7d50f2afaebc367ae923d5f4735977db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83af8fcb841e0198312517b34c87063a7d50f2afaebc367ae923d5f4735977db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83af8fcb841e0198312517b34c87063a7d50f2afaebc367ae923d5f4735977db", kill_on_drop: false }`
[INFO] [stdout] 83af8fcb841e0198312517b34c87063a7d50f2afaebc367ae923d5f4735977db
[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] 6953cb974da02f295687c6d796a98c7e5500a19a72f3aefe88af6686b350ebbd
[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" "6953cb974da02f295687c6d796a98c7e5500a19a72f3aefe88af6686b350ebbd", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]  Documenting rustils v0.1.23 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.93s
[INFO] running `Command { std: "docker" "inspect" "6953cb974da02f295687c6d796a98c7e5500a19a72f3aefe88af6686b350ebbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6953cb974da02f295687c6d796a98c7e5500a19a72f3aefe88af6686b350ebbd", kill_on_drop: false }`
[INFO] [stdout] 6953cb974da02f295687c6d796a98c7e5500a19a72f3aefe88af6686b350ebbd