[INFO] fetching crate nirvana 0.0.0...
[INFO] documenting nirvana-0.0.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate nirvana 0.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate nirvana 0.0.0 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 nirvana 0.0.0
[INFO] finished tweaking crates.io crate nirvana 0.0.0
[INFO] tweaked toml for crates.io crate nirvana 0.0.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1661de040a866e23bef3f5955113aa1c1a7b1ab7f8058de7b48f6e227e612776
[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" "1661de040a866e23bef3f5955113aa1c1a7b1ab7f8058de7b48f6e227e612776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1661de040a866e23bef3f5955113aa1c1a7b1ab7f8058de7b48f6e227e612776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1661de040a866e23bef3f5955113aa1c1a7b1ab7f8058de7b48f6e227e612776", kill_on_drop: false }`
[INFO] [stdout] 1661de040a866e23bef3f5955113aa1c1a7b1ab7f8058de7b48f6e227e612776
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1d68856ad1b9afdc152f09286ecb0bb9257373f544231a63eb0e01d71dd2cbf7
[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" "1d68856ad1b9afdc152f09286ecb0bb9257373f544231a63eb0e01d71dd2cbf7", kill_on_drop: false }`
[INFO] [stderr]  Documenting nirvana v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "1d68856ad1b9afdc152f09286ecb0bb9257373f544231a63eb0e01d71dd2cbf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d68856ad1b9afdc152f09286ecb0bb9257373f544231a63eb0e01d71dd2cbf7", kill_on_drop: false }`
[INFO] [stdout] 1d68856ad1b9afdc152f09286ecb0bb9257373f544231a63eb0e01d71dd2cbf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 1bdf39b5b2c93628d4de2131923e4a6ebd176b882704d2a4f484060937b00abd
[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" "1bdf39b5b2c93628d4de2131923e4a6ebd176b882704d2a4f484060937b00abd", kill_on_drop: false }`
[INFO] [stderr]  Documenting nirvana v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "1bdf39b5b2c93628d4de2131923e4a6ebd176b882704d2a4f484060937b00abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bdf39b5b2c93628d4de2131923e4a6ebd176b882704d2a4f484060937b00abd", kill_on_drop: false }`
[INFO] [stdout] 1bdf39b5b2c93628d4de2131923e4a6ebd176b882704d2a4f484060937b00abd