[INFO] fetching crate dir-lock 0.2.1...
[INFO] documenting dir-lock-0.2.1 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate dir-lock 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dir-lock 0.2.1 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 dir-lock 0.2.1
[INFO] finished tweaking crates.io crate dir-lock 0.2.1
[INFO] tweaked toml for crates.io crate dir-lock 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 13d3175ce2acf2914e97519b4cf55c51a09c958d41f2fd9e1c481d2f3049c7b1
[INFO] running `Command { std: "docker" "start" "-a" "13d3175ce2acf2914e97519b4cf55c51a09c958d41f2fd9e1c481d2f3049c7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13d3175ce2acf2914e97519b4cf55c51a09c958d41f2fd9e1c481d2f3049c7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d3175ce2acf2914e97519b4cf55c51a09c958d41f2fd9e1c481d2f3049c7b1", kill_on_drop: false }`
[INFO] [stdout] 13d3175ce2acf2914e97519b4cf55c51a09c958d41f2fd9e1c481d2f3049c7b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 3e647640150464c13f5cb2a1188e7c0ce4f95aa7d771354ae0f5fd628fb63e43
[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" "3e647640150464c13f5cb2a1188e7c0ce4f95aa7d771354ae0f5fd628fb63e43", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling heim-common v0.0.10
[INFO] [stderr]    Compiling heim-host v0.0.10
[INFO] [stderr]     Checking platforms v0.2.1
[INFO] [stderr]     Checking macaddr v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]     Checking futures-lite v1.11.1
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking uom v0.27.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking async-global-executor v1.4.0
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking heim-runtime v0.0.6
[INFO] [stderr]     Checking heim-net v0.0.10
[INFO] [stderr]     Checking heim-cpu v0.0.10
[INFO] [stderr]     Checking heim-virt v0.0.10
[INFO] [stderr]     Checking heim-memory v0.0.10
[INFO] [stderr]     Checking heim-disk v0.0.10
[INFO] [stderr]     Checking heim-sensors v0.0.5
[INFO] [stderr]     Checking heim-process v0.0.10
[INFO] [stderr]     Checking heim v0.0.10
[INFO] [stderr]  Documenting dir-lock v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "3e647640150464c13f5cb2a1188e7c0ce4f95aa7d771354ae0f5fd628fb63e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e647640150464c13f5cb2a1188e7c0ce4f95aa7d771354ae0f5fd628fb63e43", kill_on_drop: false }`
[INFO] [stdout] 3e647640150464c13f5cb2a1188e7c0ce4f95aa7d771354ae0f5fd628fb63e43
