[INFO] fetching crate pragma 0.0.0...
[INFO] documenting pragma-0.0.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate pragma 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pragma 0.0.0 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 pragma 0.0.0
[INFO] finished tweaking crates.io crate pragma 0.0.0
[INFO] tweaked toml for crates.io crate pragma 0.0.0 written to /workspace/builds/worker-2/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-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" "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] 199e94d8ede12e7b2d5bdc2211793918c3ab2166e5f6a6c0ca0aa160b15b33c6
[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" "199e94d8ede12e7b2d5bdc2211793918c3ab2166e5f6a6c0ca0aa160b15b33c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "199e94d8ede12e7b2d5bdc2211793918c3ab2166e5f6a6c0ca0aa160b15b33c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199e94d8ede12e7b2d5bdc2211793918c3ab2166e5f6a6c0ca0aa160b15b33c6", kill_on_drop: false }`
[INFO] [stdout] 199e94d8ede12e7b2d5bdc2211793918c3ab2166e5f6a6c0ca0aa160b15b33c6
[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" "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] 7a689e68a34b06cdb264781b3e1ada01f5f35c3080abf43fdb79e9bbb8a0b4af
[INFO] running `Command { std: "docker" "start" "-a" "7a689e68a34b06cdb264781b3e1ada01f5f35c3080abf43fdb79e9bbb8a0b4af", kill_on_drop: false }`
[INFO] [stderr]  Documenting pragma v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "7a689e68a34b06cdb264781b3e1ada01f5f35c3080abf43fdb79e9bbb8a0b4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a689e68a34b06cdb264781b3e1ada01f5f35c3080abf43fdb79e9bbb8a0b4af", kill_on_drop: false }`
[INFO] [stdout] 7a689e68a34b06cdb264781b3e1ada01f5f35c3080abf43fdb79e9bbb8a0b4af
[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" "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] [stdout] 3efabd3be440c6cf7c673fecc0f3ef9b1c93a722aed1de93940c73712d57591b
[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" "3efabd3be440c6cf7c673fecc0f3ef9b1c93a722aed1de93940c73712d57591b", kill_on_drop: false }`
[INFO] [stderr]  Documenting pragma v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "3efabd3be440c6cf7c673fecc0f3ef9b1c93a722aed1de93940c73712d57591b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3efabd3be440c6cf7c673fecc0f3ef9b1c93a722aed1de93940c73712d57591b", kill_on_drop: false }`
[INFO] [stdout] 3efabd3be440c6cf7c673fecc0f3ef9b1c93a722aed1de93940c73712d57591b