[INFO] fetching crate session_types 0.3.1...
[INFO] documenting session_types-0.3.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate session_types 0.3.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate session_types 0.3.1 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate session_types 0.3.1
[INFO] finished tweaking crates.io crate session_types 0.3.1
[INFO] tweaked toml for crates.io crate session_types 0.3.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88c061fab7d1c75ac3b6271c466fdc3edbe37d67f4c6aabd2688f671af9f3d93
[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" "88c061fab7d1c75ac3b6271c466fdc3edbe37d67f4c6aabd2688f671af9f3d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88c061fab7d1c75ac3b6271c466fdc3edbe37d67f4c6aabd2688f671af9f3d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88c061fab7d1c75ac3b6271c466fdc3edbe37d67f4c6aabd2688f671af9f3d93", kill_on_drop: false }`
[INFO] [stdout] 88c061fab7d1c75ac3b6271c466fdc3edbe37d67f4c6aabd2688f671af9f3d93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] d7c0312f2401935bd850aeb7e7cb2c9151d5bc0758638a96d4759d71ee2854cd
[INFO] running `Command { std: "docker" "start" "-a" "d7c0312f2401935bd850aeb7e7cb2c9151d5bc0758638a96d4759d71ee2854cd", kill_on_drop: false }`
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]  Documenting session_types v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "d7c0312f2401935bd850aeb7e7cb2c9151d5bc0758638a96d4759d71ee2854cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7c0312f2401935bd850aeb7e7cb2c9151d5bc0758638a96d4759d71ee2854cd", kill_on_drop: false }`
[INFO] [stdout] d7c0312f2401935bd850aeb7e7cb2c9151d5bc0758638a96d4759d71ee2854cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 7642a346ea0857f62744df5a2728ed74aa7eeb87dc3616a9a76774da29a3140c
[INFO] running `Command { std: "docker" "start" "-a" "7642a346ea0857f62744df5a2728ed74aa7eeb87dc3616a9a76774da29a3140c", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]  Documenting session_types v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "7642a346ea0857f62744df5a2728ed74aa7eeb87dc3616a9a76774da29a3140c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7642a346ea0857f62744df5a2728ed74aa7eeb87dc3616a9a76774da29a3140c", kill_on_drop: false }`
[INFO] [stdout] 7642a346ea0857f62744df5a2728ed74aa7eeb87dc3616a9a76774da29a3140c