[INFO] fetching crate csrs 0.1.2-dev...
[INFO] documenting csrs-0.1.2-dev against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate csrs 0.1.2-dev into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate csrs 0.1.2-dev on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate csrs 0.1.2-dev
[INFO] finished tweaking crates.io crate csrs 0.1.2-dev
[INFO] tweaked toml for crates.io crate csrs 0.1.2-dev written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate csrs 0.1.2-dev already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.61.0" "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] 326529f3cc022f918c1ee26f1bcfd4ba1d560ca59020a5f4bad7f3561f6a86e8
[INFO] running `Command { std: "docker" "start" "-a" "326529f3cc022f918c1ee26f1bcfd4ba1d560ca59020a5f4bad7f3561f6a86e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "326529f3cc022f918c1ee26f1bcfd4ba1d560ca59020a5f4bad7f3561f6a86e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "326529f3cc022f918c1ee26f1bcfd4ba1d560ca59020a5f4bad7f3561f6a86e8", kill_on_drop: false }`
[INFO] [stdout] 326529f3cc022f918c1ee26f1bcfd4ba1d560ca59020a5f4bad7f3561f6a86e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 511fd5b04487fcde86857b2cab529bc4485ad8240b3214ae9f3c34272ec00436
[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" "511fd5b04487fcde86857b2cab529bc4485ad8240b3214ae9f3c34272ec00436", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]  Documenting csrs v0.1.2-dev (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.43s
[INFO] running `Command { std: "docker" "inspect" "511fd5b04487fcde86857b2cab529bc4485ad8240b3214ae9f3c34272ec00436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "511fd5b04487fcde86857b2cab529bc4485ad8240b3214ae9f3c34272ec00436", kill_on_drop: false }`
[INFO] [stdout] 511fd5b04487fcde86857b2cab529bc4485ad8240b3214ae9f3c34272ec00436