[INFO] fetching crate natvis-pdbs 1.0.2...
[INFO] documenting natvis-pdbs-1.0.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate natvis-pdbs 1.0.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate natvis-pdbs 1.0.2 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 natvis-pdbs 1.0.2
[INFO] finished tweaking crates.io crate natvis-pdbs 1.0.2
[INFO] tweaked toml for crates.io crate natvis-pdbs 1.0.2 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] fb9756ef4e160d6aa3f0f70b12e34c465abdbd10b0c040979f930d78be0b98b2
[INFO] running `Command { std: "docker" "start" "-a" "fb9756ef4e160d6aa3f0f70b12e34c465abdbd10b0c040979f930d78be0b98b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb9756ef4e160d6aa3f0f70b12e34c465abdbd10b0c040979f930d78be0b98b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb9756ef4e160d6aa3f0f70b12e34c465abdbd10b0c040979f930d78be0b98b2", kill_on_drop: false }`
[INFO] [stdout] fb9756ef4e160d6aa3f0f70b12e34c465abdbd10b0c040979f930d78be0b98b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 5cbd1a953e53bcc48b39d382df02205237fc913d76b8a75920081a55b09e6219
[INFO] running `Command { std: "docker" "start" "-a" "5cbd1a953e53bcc48b39d382df02205237fc913d76b8a75920081a55b09e6219", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]  Documenting natvis-pdbs v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.55s
[INFO] running `Command { std: "docker" "inspect" "5cbd1a953e53bcc48b39d382df02205237fc913d76b8a75920081a55b09e6219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cbd1a953e53bcc48b39d382df02205237fc913d76b8a75920081a55b09e6219", kill_on_drop: false }`
[INFO] [stdout] 5cbd1a953e53bcc48b39d382df02205237fc913d76b8a75920081a55b09e6219
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] aef801768a64b330de1f5450a18ad2294658a604b7b49ec9bcfd59eed2c53bc1
[INFO] running `Command { std: "docker" "start" "-a" "aef801768a64b330de1f5450a18ad2294658a604b7b49ec9bcfd59eed2c53bc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]  Documenting natvis-pdbs v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.69s
[INFO] running `Command { std: "docker" "inspect" "aef801768a64b330de1f5450a18ad2294658a604b7b49ec9bcfd59eed2c53bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef801768a64b330de1f5450a18ad2294658a604b7b49ec9bcfd59eed2c53bc1", kill_on_drop: false }`
[INFO] [stdout] aef801768a64b330de1f5450a18ad2294658a604b7b49ec9bcfd59eed2c53bc1