[INFO] fetching crate semdoc 0.0.1...
[INFO] documenting semdoc-0.0.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate semdoc 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate semdoc 0.0.1 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 semdoc 0.0.1
[INFO] finished tweaking crates.io crate semdoc 0.0.1
[INFO] tweaked toml for crates.io crate semdoc 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate semdoc 0.0.1 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.7.0
[INFO] [stderr]   Downloaded env_logger v0.8.3
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] aff79c74ede6d7274d695ce2412b79f0cbfaed9e7aca764199b7ec9947f378bb
[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" "aff79c74ede6d7274d695ce2412b79f0cbfaed9e7aca764199b7ec9947f378bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aff79c74ede6d7274d695ce2412b79f0cbfaed9e7aca764199b7ec9947f378bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff79c74ede6d7274d695ce2412b79f0cbfaed9e7aca764199b7ec9947f378bb", kill_on_drop: false }`
[INFO] [stdout] aff79c74ede6d7274d695ce2412b79f0cbfaed9e7aca764199b7ec9947f378bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f2ea9f1419243e1c77b87ba2b230de8777be6bbfc0b391b6c98916b7125af558
[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" "f2ea9f1419243e1c77b87ba2b230de8777be6bbfc0b391b6c98916b7125af558", kill_on_drop: false }`
[INFO] [stderr]  Documenting semdoc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "f2ea9f1419243e1c77b87ba2b230de8777be6bbfc0b391b6c98916b7125af558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2ea9f1419243e1c77b87ba2b230de8777be6bbfc0b391b6c98916b7125af558", kill_on_drop: false }`
[INFO] [stdout] f2ea9f1419243e1c77b87ba2b230de8777be6bbfc0b391b6c98916b7125af558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.61.0" "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] f828c8bd6055045fc23e7e5870466f94d3fab82ba715ad415e97c984c9477817
[INFO] running `Command { std: "docker" "start" "-a" "f828c8bd6055045fc23e7e5870466f94d3fab82ba715ad415e97c984c9477817", kill_on_drop: false }`
[INFO] [stderr]  Documenting semdoc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "f828c8bd6055045fc23e7e5870466f94d3fab82ba715ad415e97c984c9477817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f828c8bd6055045fc23e7e5870466f94d3fab82ba715ad415e97c984c9477817", kill_on_drop: false }`
[INFO] [stdout] f828c8bd6055045fc23e7e5870466f94d3fab82ba715ad415e97c984c9477817