[INFO] fetching crate proofmarshal 0.0.0-prealpha...
[INFO] documenting proofmarshal-0.0.0-prealpha against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate proofmarshal 0.0.0-prealpha into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate proofmarshal 0.0.0-prealpha 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 proofmarshal 0.0.0-prealpha
[INFO] finished tweaking crates.io crate proofmarshal 0.0.0-prealpha
[INFO] tweaked toml for crates.io crate proofmarshal 0.0.0-prealpha written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[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] eb45656d551fdb21a0017344e3cd91bde592970c7a8a288f5d8622ad472b00ce
[INFO] running `Command { std: "docker" "start" "-a" "eb45656d551fdb21a0017344e3cd91bde592970c7a8a288f5d8622ad472b00ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb45656d551fdb21a0017344e3cd91bde592970c7a8a288f5d8622ad472b00ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb45656d551fdb21a0017344e3cd91bde592970c7a8a288f5d8622ad472b00ce", kill_on_drop: false }`
[INFO] [stdout] eb45656d551fdb21a0017344e3cd91bde592970c7a8a288f5d8622ad472b00ce
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8617f11251e421bbe0ce20842f7eee37a98087a39a36b75f76aef51ac1505f82
[INFO] running `Command { std: "docker" "start" "-a" "8617f11251e421bbe0ce20842f7eee37a98087a39a36b75f76aef51ac1505f82", kill_on_drop: false }`
[INFO] [stderr]  Documenting proofmarshal v0.0.0-prealpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "8617f11251e421bbe0ce20842f7eee37a98087a39a36b75f76aef51ac1505f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8617f11251e421bbe0ce20842f7eee37a98087a39a36b75f76aef51ac1505f82", kill_on_drop: false }`
[INFO] [stdout] 8617f11251e421bbe0ce20842f7eee37a98087a39a36b75f76aef51ac1505f82
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc1c69d4f915e4e358cb9959b7eebc6e10f2686c468a5eec7a56c343134f87f3
[INFO] running `Command { std: "docker" "start" "-a" "bc1c69d4f915e4e358cb9959b7eebc6e10f2686c468a5eec7a56c343134f87f3", kill_on_drop: false }`
[INFO] [stderr]  Documenting proofmarshal v0.0.0-prealpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "bc1c69d4f915e4e358cb9959b7eebc6e10f2686c468a5eec7a56c343134f87f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc1c69d4f915e4e358cb9959b7eebc6e10f2686c468a5eec7a56c343134f87f3", kill_on_drop: false }`
[INFO] [stdout] bc1c69d4f915e4e358cb9959b7eebc6e10f2686c468a5eec7a56c343134f87f3