[INFO] fetching crate smol 1.2.4...
[INFO] documenting smol-1.2.4 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate smol 1.2.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate smol 1.2.4 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smol 1.2.4
[INFO] finished tweaking crates.io crate smol 1.2.4
[INFO] tweaked toml for crates.io crate smol 1.2.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate smol 1.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded timerfd v1.1.1
[INFO] [stderr]   Downloaded uds_windows v0.1.5
[INFO] [stderr]   Downloaded http-client v4.0.0
[INFO] [stderr]   Downloaded async-global-executor v1.1.1
[INFO] [stderr]   Downloaded surf v2.0.0-alpha.5
[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" "+beta-2020-10-09" "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] 4d8165d49d4331ea86ebc45e469ca86161c9b4922b0b97328a1673e6cfa108a4
[INFO] running `Command { std: "docker" "start" "-a" "4d8165d49d4331ea86ebc45e469ca86161c9b4922b0b97328a1673e6cfa108a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d8165d49d4331ea86ebc45e469ca86161c9b4922b0b97328a1673e6cfa108a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8165d49d4331ea86ebc45e469ca86161c9b4922b0b97328a1673e6cfa108a4", kill_on_drop: false }`
[INFO] [stdout] 4d8165d49d4331ea86ebc45e469ca86161c9b4922b0b97328a1673e6cfa108a4
[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" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 530b4b439fe1fa5dfe28d4dfe05c4d9a30637daf1104236327a27ff1f34c9b4b
[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" "530b4b439fe1fa5dfe28d4dfe05c4d9a30637daf1104236327a27ff1f34c9b4b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]     Checking async-task v4.0.0
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking nb-connect v1.0.0
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking futures-lite v1.11.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking async-io v1.1.2
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-fs v1.3.0
[INFO] [stderr]     Checking async-process v1.0.0
[INFO] [stderr]     Checking async-net v1.4.3
[INFO] [stderr]  Documenting smol v1.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.16s
[INFO] running `Command { std: "docker" "inspect" "530b4b439fe1fa5dfe28d4dfe05c4d9a30637daf1104236327a27ff1f34c9b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530b4b439fe1fa5dfe28d4dfe05c4d9a30637daf1104236327a27ff1f34c9b4b", kill_on_drop: false }`
[INFO] [stdout] 530b4b439fe1fa5dfe28d4dfe05c4d9a30637daf1104236327a27ff1f34c9b4b
