[INFO] fetching crate librist-rust 0.6.1...
[INFO] documenting librist-rust-0.6.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate librist-rust 0.6.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate librist-rust 0.6.1 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 librist-rust 0.6.1
[INFO] finished tweaking crates.io crate librist-rust 0.6.1
[INFO] tweaked toml for crates.io crate librist-rust 0.6.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate librist-rust 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hexdump v0.1.0
[INFO] [stderr]   Downloaded librist-sys v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 12e5b5049388fb723fccc5747069fc7eb6da7521e0a599c71caee04614c6ecad
[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" "12e5b5049388fb723fccc5747069fc7eb6da7521e0a599c71caee04614c6ecad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12e5b5049388fb723fccc5747069fc7eb6da7521e0a599c71caee04614c6ecad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12e5b5049388fb723fccc5747069fc7eb6da7521e0a599c71caee04614c6ecad", kill_on_drop: false }`
[INFO] [stdout] 12e5b5049388fb723fccc5747069fc7eb6da7521e0a599c71caee04614c6ecad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52c1c9f0cd3f6c07364a829722261a7737835833ac1f8c9de3abaadb2b3cc15b
[INFO] running `Command { std: "docker" "start" "-a" "52c1c9f0cd3f6c07364a829722261a7737835833ac1f8c9de3abaadb2b3cc15b", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.6.0
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking libc v0.2.86
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]     Checking hexdump v0.1.0
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling librist-sys v0.8.1
[INFO] [stderr]  Documenting librist-rust v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.27s
[INFO] running `Command { std: "docker" "inspect" "52c1c9f0cd3f6c07364a829722261a7737835833ac1f8c9de3abaadb2b3cc15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c1c9f0cd3f6c07364a829722261a7737835833ac1f8c9de3abaadb2b3cc15b", kill_on_drop: false }`
[INFO] [stdout] 52c1c9f0cd3f6c07364a829722261a7737835833ac1f8c9de3abaadb2b3cc15b
