[INFO] fetching crate build-info-proc 0.0.20...
[INFO] documenting build-info-proc-0.0.20 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate build-info-proc 0.0.20 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate build-info-proc 0.0.20 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 build-info-proc 0.0.20
[INFO] finished tweaking crates.io crate build-info-proc 0.0.20
[INFO] tweaked toml for crates.io crate build-info-proc 0.0.20 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] [stdout] 4a2ec557f1b3b4144eaeff68d3d40e9e5093929043a62e2880fa13a7f1eae540
[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" "4a2ec557f1b3b4144eaeff68d3d40e9e5093929043a62e2880fa13a7f1eae540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a2ec557f1b3b4144eaeff68d3d40e9e5093929043a62e2880fa13a7f1eae540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2ec557f1b3b4144eaeff68d3d40e9e5093929043a62e2880fa13a7f1eae540", kill_on_drop: false }`
[INFO] [stdout] 4a2ec557f1b3b4144eaeff68d3d40e9e5093929043a62e2880fa13a7f1eae540
[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] cd7c80a313bf6983a7b02d0669d763f3dd1aa3211894f621341790275e9b2450
[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" "cd7c80a313bf6983a7b02d0669d763f3dd1aa3211894f621341790275e9b2450", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking format-buf v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]     Checking anyhow v1.0.33
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking build-info-common v0.0.20
[INFO] [stderr]  Documenting build-info-proc v0.0.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.44s
[INFO] running `Command { std: "docker" "inspect" "cd7c80a313bf6983a7b02d0669d763f3dd1aa3211894f621341790275e9b2450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd7c80a313bf6983a7b02d0669d763f3dd1aa3211894f621341790275e9b2450", kill_on_drop: false }`
[INFO] [stdout] cd7c80a313bf6983a7b02d0669d763f3dd1aa3211894f621341790275e9b2450
