[INFO] fetching crate backgammon 0.3.0...
[INFO] documenting backgammon-0.3.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate backgammon 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate backgammon 0.3.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backgammon 0.3.0
[INFO] finished tweaking crates.io crate backgammon 0.3.0
[INFO] tweaked toml for crates.io crate backgammon 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be2e0f02002fcba56859ff3248473197555a7909b96861bd9f952a0d6a06ed0c
[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" "be2e0f02002fcba56859ff3248473197555a7909b96861bd9f952a0d6a06ed0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be2e0f02002fcba56859ff3248473197555a7909b96861bd9f952a0d6a06ed0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2e0f02002fcba56859ff3248473197555a7909b96861bd9f952a0d6a06ed0c", kill_on_drop: false }`
[INFO] [stdout] be2e0f02002fcba56859ff3248473197555a7909b96861bd9f952a0d6a06ed0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b37c03dd2e66c175f7db911b807e42e51ceaecdf290f71638996ec338ab0c9da
[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" "b37c03dd2e66c175f7db911b807e42e51ceaecdf290f71638996ec338ab0c9da", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]  Documenting backgammon v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.69s
[INFO] running `Command { std: "docker" "inspect" "b37c03dd2e66c175f7db911b807e42e51ceaecdf290f71638996ec338ab0c9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b37c03dd2e66c175f7db911b807e42e51ceaecdf290f71638996ec338ab0c9da", kill_on_drop: false }`
[INFO] [stdout] b37c03dd2e66c175f7db911b807e42e51ceaecdf290f71638996ec338ab0c9da
