[INFO] fetching crate smol-timeout 0.4.0...
[INFO] documenting smol-timeout-0.4.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate smol-timeout 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate smol-timeout 0.4.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smol-timeout 0.4.0
[INFO] finished tweaking crates.io crate smol-timeout 0.4.0
[INFO] tweaked toml for crates.io crate smol-timeout 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d5ba495930e6e0290305c1c3ff7f81ac9c5ad8c36432a953f0d2b75ff3445ef
[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" "8d5ba495930e6e0290305c1c3ff7f81ac9c5ad8c36432a953f0d2b75ff3445ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d5ba495930e6e0290305c1c3ff7f81ac9c5ad8c36432a953f0d2b75ff3445ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5ba495930e6e0290305c1c3ff7f81ac9c5ad8c36432a953f0d2b75ff3445ef", kill_on_drop: false }`
[INFO] [stdout] 8d5ba495930e6e0290305c1c3ff7f81ac9c5ad8c36432a953f0d2b75ff3445ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 078e4a3cc4334126f897666a242d7357bfcc91b092b60be84fe55bfc1e3f6e16
[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" "078e4a3cc4334126f897666a242d7357bfcc91b092b60be84fe55bfc1e3f6e16", 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]     Checking event-listener v2.4.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking polling v0.1.7
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]     Checking async-mutex v1.2.0
[INFO] [stderr]     Checking async-semaphore v1.0.0
[INFO] [stderr]     Checking futures-lite v1.0.0
[INFO] [stderr]     Checking async-rwlock v1.1.0
[INFO] [stderr]     Checking async-barrier v1.0.1
[INFO] [stderr]     Checking async-lock v2.1.1
[INFO] [stderr]     Checking blocking v0.6.1
[INFO] [stderr]     Checking async-io v0.2.6
[INFO] [stderr]     Checking async-executor v0.2.1
[INFO] [stderr]     Checking async-fs v1.1.1
[INFO] [stderr]     Checking async-process v0.1.3
[INFO] [stderr]     Checking async-net v1.0.0
[INFO] [stderr]     Checking smol v0.4.3
[INFO] [stderr]  Documenting smol-timeout v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `Command { std: "docker" "inspect" "078e4a3cc4334126f897666a242d7357bfcc91b092b60be84fe55bfc1e3f6e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "078e4a3cc4334126f897666a242d7357bfcc91b092b60be84fe55bfc1e3f6e16", kill_on_drop: false }`
[INFO] [stdout] 078e4a3cc4334126f897666a242d7357bfcc91b092b60be84fe55bfc1e3f6e16