[INFO] fetching crate rant 4.0.0-alpha.10...
[INFO] documenting rant-4.0.0-alpha.10 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate rant 4.0.0-alpha.10 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rant 4.0.0-alpha.10 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 rant 4.0.0-alpha.10
[INFO] finished tweaking crates.io crate rant 4.0.0-alpha.10
[INFO] tweaked toml for crates.io crate rant 4.0.0-alpha.10 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate rant 4.0.0-alpha.10 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] a9c85f5defa622b515afc054e5c27eca5f954f5292131ab76af1573ae8c1e67b
[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" "a9c85f5defa622b515afc054e5c27eca5f954f5292131ab76af1573ae8c1e67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9c85f5defa622b515afc054e5c27eca5f954f5292131ab76af1573ae8c1e67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c85f5defa622b515afc054e5c27eca5f954f5292131ab76af1573ae8c1e67b", kill_on_drop: false }`
[INFO] [stdout] a9c85f5defa622b515afc054e5c27eca5f954f5292131ab76af1573ae8c1e67b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] b42081be3fd347ca4350105eeaaacedaaac5db06e32aea8e6cc7ed34c2bb2321
[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" "b42081be3fd347ca4350105eeaaacedaaac5db06e32aea8e6cc7ed34c2bb2321", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]     Checking cervine v0.0.6
[INFO] [stderr]     Checking line-col v0.2.1
[INFO] [stderr]     Checking quickscope v0.1.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking smartstring v0.2.5
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]  Documenting rant v4.0.0-alpha.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.09s
[INFO] running `Command { std: "docker" "inspect" "b42081be3fd347ca4350105eeaaacedaaac5db06e32aea8e6cc7ed34c2bb2321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42081be3fd347ca4350105eeaaacedaaac5db06e32aea8e6cc7ed34c2bb2321", kill_on_drop: false }`
[INFO] [stdout] b42081be3fd347ca4350105eeaaacedaaac5db06e32aea8e6cc7ed34c2bb2321
