[INFO] fetching crate wheel-timer2 0.1.2...
[INFO] documenting wheel-timer2-0.1.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate wheel-timer2 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wheel-timer2 0.1.2 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 wheel-timer2 0.1.2
[INFO] finished tweaking crates.io crate wheel-timer2 0.1.2
[INFO] tweaked toml for crates.io crate wheel-timer2 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate wheel-timer2 0.1.2 already has a lockfile, it will not be regenerated
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 28ecb933c4209f6db29df40b1055fc21f896c68c8984f7e2154305ecfbe42cb3
[INFO] running `Command { std: "docker" "start" "-a" "28ecb933c4209f6db29df40b1055fc21f896c68c8984f7e2154305ecfbe42cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28ecb933c4209f6db29df40b1055fc21f896c68c8984f7e2154305ecfbe42cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ecb933c4209f6db29df40b1055fc21f896c68c8984f7e2154305ecfbe42cb3", kill_on_drop: false }`
[INFO] [stdout] 28ecb933c4209f6db29df40b1055fc21f896c68c8984f7e2154305ecfbe42cb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 5b4cbd04858ad5e09494fb9206cdc75225a4d63e0d636bfa17a14627ffa8048e
[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" "5b4cbd04858ad5e09494fb9206cdc75225a4d63e0d636bfa17a14627ffa8048e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]  Documenting wheel-timer2 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `Command { std: "docker" "inspect" "5b4cbd04858ad5e09494fb9206cdc75225a4d63e0d636bfa17a14627ffa8048e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4cbd04858ad5e09494fb9206cdc75225a4d63e0d636bfa17a14627ffa8048e", kill_on_drop: false }`
[INFO] [stdout] 5b4cbd04858ad5e09494fb9206cdc75225a4d63e0d636bfa17a14627ffa8048e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] [stdout] aadedecfaf67a13e438f1d58e8704cf721362f53f8acaee6666ff16e130652ad
[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" "aadedecfaf67a13e438f1d58e8704cf721362f53f8acaee6666ff16e130652ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]  Documenting wheel-timer2 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `Command { std: "docker" "inspect" "aadedecfaf67a13e438f1d58e8704cf721362f53f8acaee6666ff16e130652ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aadedecfaf67a13e438f1d58e8704cf721362f53f8acaee6666ff16e130652ad", kill_on_drop: false }`
[INFO] [stdout] aadedecfaf67a13e438f1d58e8704cf721362f53f8acaee6666ff16e130652ad