[INFO] fetching crate optlib 0.4.0...
[INFO] documenting optlib-0.4.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate optlib 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate optlib 0.4.0 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 optlib 0.4.0
[INFO] finished tweaking crates.io crate optlib 0.4.0
[INFO] tweaked toml for crates.io crate optlib 0.4.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate optlib 0.4.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 580e19d630a987b89af01fe7da01dd00244f592d8b4341f12369769d5c22f416
[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" "580e19d630a987b89af01fe7da01dd00244f592d8b4341f12369769d5c22f416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "580e19d630a987b89af01fe7da01dd00244f592d8b4341f12369769d5c22f416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580e19d630a987b89af01fe7da01dd00244f592d8b4341f12369769d5c22f416", kill_on_drop: false }`
[INFO] [stdout] 580e19d630a987b89af01fe7da01dd00244f592d8b4341f12369769d5c22f416
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 42cc9c4c45fd10ddbc6da763bffd42916ba211752ac6d0b75144a04132e5616e
[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" "42cc9c4c45fd10ddbc6da763bffd42916ba211752ac6d0b75144a04132e5616e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]  Documenting optlib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.71s
[INFO] running `Command { std: "docker" "inspect" "42cc9c4c45fd10ddbc6da763bffd42916ba211752ac6d0b75144a04132e5616e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42cc9c4c45fd10ddbc6da763bffd42916ba211752ac6d0b75144a04132e5616e", kill_on_drop: false }`
[INFO] [stdout] 42cc9c4c45fd10ddbc6da763bffd42916ba211752ac6d0b75144a04132e5616e
