[INFO] fetching crate newt 0.6.8...
[INFO] documenting newt-0.6.8 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate newt 0.6.8 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate newt 0.6.8 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 newt 0.6.8
[INFO] finished tweaking crates.io crate newt 0.6.8
[INFO] tweaked toml for crates.io crate newt 0.6.8 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate newt 0.6.8 already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 83a90e087a0447358f95dad05e1a7b4980b8a77913b87811f66efdee88997147
[INFO] running `Command { std: "docker" "start" "-a" "83a90e087a0447358f95dad05e1a7b4980b8a77913b87811f66efdee88997147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83a90e087a0447358f95dad05e1a7b4980b8a77913b87811f66efdee88997147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a90e087a0447358f95dad05e1a7b4980b8a77913b87811f66efdee88997147", kill_on_drop: false }`
[INFO] [stdout] 83a90e087a0447358f95dad05e1a7b4980b8a77913b87811f66efdee88997147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 0eed6406f6ca69561877226e4aff325ba7aa461052c8869ead213978eede48f4
[INFO] running `Command { std: "docker" "start" "-a" "0eed6406f6ca69561877226e4aff325ba7aa461052c8869ead213978eede48f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling newt_proc_macros v0.0.9
[INFO] [stderr]    Compiling newt-sys v0.1.9
[INFO] [stderr]  Documenting newt v0.6.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 08s
[INFO] running `Command { std: "docker" "inspect" "0eed6406f6ca69561877226e4aff325ba7aa461052c8869ead213978eede48f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eed6406f6ca69561877226e4aff325ba7aa461052c8869ead213978eede48f4", kill_on_drop: false }`
[INFO] [stdout] 0eed6406f6ca69561877226e4aff325ba7aa461052c8869ead213978eede48f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "--features" "asm" "--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] ce63e958fb64cf3c2b120fa62e8ba9b6ddb43cf5b084a298c40b1ca730b1ba2d
[INFO] running `Command { std: "docker" "start" "-a" "ce63e958fb64cf3c2b120fa62e8ba9b6ddb43cf5b084a298c40b1ca730b1ba2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling newt_proc_macros v0.0.9
[INFO] [stderr]    Compiling newt-sys v0.1.9
[INFO] [stderr]  Documenting newt v0.6.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `Command { std: "docker" "inspect" "ce63e958fb64cf3c2b120fa62e8ba9b6ddb43cf5b084a298c40b1ca730b1ba2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce63e958fb64cf3c2b120fa62e8ba9b6ddb43cf5b084a298c40b1ca730b1ba2d", kill_on_drop: false }`
[INFO] [stdout] ce63e958fb64cf3c2b120fa62e8ba9b6ddb43cf5b084a298c40b1ca730b1ba2d