[INFO] fetching crate fermion 0.2.0...
[INFO] documenting fermion-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate fermion 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fermion 0.2.0 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 fermion 0.2.0
[INFO] finished tweaking crates.io crate fermion 0.2.0
[INFO] tweaked toml for crates.io crate fermion 0.2.0 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 087876a6b91ae5609e96a327b142b09734590af9bb41c431cf5572ede4e4c6aa
[INFO] running `Command { std: "docker" "start" "-a" "087876a6b91ae5609e96a327b142b09734590af9bb41c431cf5572ede4e4c6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "087876a6b91ae5609e96a327b142b09734590af9bb41c431cf5572ede4e4c6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087876a6b91ae5609e96a327b142b09734590af9bb41c431cf5572ede4e4c6aa", kill_on_drop: false }`
[INFO] [stdout] 087876a6b91ae5609e96a327b142b09734590af9bb41c431cf5572ede4e4c6aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5934412778c70ad90d721b36443aa2fe1f6bff697c24671fc7b6e7fee5ad2f8
[INFO] running `Command { std: "docker" "start" "-a" "c5934412778c70ad90d721b36443aa2fe1f6bff697c24671fc7b6e7fee5ad2f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]  Documenting fermion v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.73s
[INFO] running `Command { std: "docker" "inspect" "c5934412778c70ad90d721b36443aa2fe1f6bff697c24671fc7b6e7fee5ad2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5934412778c70ad90d721b36443aa2fe1f6bff697c24671fc7b6e7fee5ad2f8", kill_on_drop: false }`
[INFO] [stdout] c5934412778c70ad90d721b36443aa2fe1f6bff697c24671fc7b6e7fee5ad2f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 53f242b39a6f4e1c2d1e120c0e5ed51224f3c8b63688d81e1ef451c80cb1f735
[INFO] running `Command { std: "docker" "start" "-a" "53f242b39a6f4e1c2d1e120c0e5ed51224f3c8b63688d81e1ef451c80cb1f735", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]  Documenting fermion v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.66s
[INFO] running `Command { std: "docker" "inspect" "53f242b39a6f4e1c2d1e120c0e5ed51224f3c8b63688d81e1ef451c80cb1f735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f242b39a6f4e1c2d1e120c0e5ed51224f3c8b63688d81e1ef451c80cb1f735", kill_on_drop: false }`
[INFO] [stdout] 53f242b39a6f4e1c2d1e120c0e5ed51224f3c8b63688d81e1ef451c80cb1f735