[INFO] fetching crate bp256 0.4.0...
[INFO] documenting bp256-0.4.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate bp256 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate bp256 0.4.0 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 bp256 0.4.0
[INFO] finished tweaking crates.io crate bp256 0.4.0
[INFO] tweaked toml for crates.io crate bp256 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 390d43542774dfbea3b64bb8793ace0443a1eee7df436ebabab54686cb08170b
[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" "390d43542774dfbea3b64bb8793ace0443a1eee7df436ebabab54686cb08170b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "390d43542774dfbea3b64bb8793ace0443a1eee7df436ebabab54686cb08170b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390d43542774dfbea3b64bb8793ace0443a1eee7df436ebabab54686cb08170b", kill_on_drop: false }`
[INFO] [stdout] 390d43542774dfbea3b64bb8793ace0443a1eee7df436ebabab54686cb08170b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 56ed87dbf55553dc00ecdb6f1e137514db9fb15a6134a5b6ac2f9d6e8a7c143b
[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" "56ed87dbf55553dc00ecdb6f1e137514db9fb15a6134a5b6ac2f9d6e8a7c143b", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking zeroize v1.5.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking const-oid v0.9.0
[INFO] [stderr]     Checking base64ct v1.5.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking der v0.6.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking signature v1.5.0
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking crypto-bigint v0.4.2
[INFO] [stderr]     Checking sec1 v0.3.0
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking elliptic-curve v0.12.0
[INFO] [stderr]     Checking ecdsa v0.14.1
[INFO] [stderr]  Documenting bp256 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.83s
[INFO] running `Command { std: "docker" "inspect" "56ed87dbf55553dc00ecdb6f1e137514db9fb15a6134a5b6ac2f9d6e8a7c143b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ed87dbf55553dc00ecdb6f1e137514db9fb15a6134a5b6ac2f9d6e8a7c143b", kill_on_drop: false }`
[INFO] [stdout] 56ed87dbf55553dc00ecdb6f1e137514db9fb15a6134a5b6ac2f9d6e8a7c143b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--frozen" "--message-format=json" "--" "--cfg" "docsrs" "-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] 80a3b8f0d9a56d36afa32c3993edded9c700d9cb0e0e49ca9aa047bd019bc5a7
[INFO] running `Command { std: "docker" "start" "-a" "80a3b8f0d9a56d36afa32c3993edded9c700d9cb0e0e49ca9aa047bd019bc5a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking base64ct v1.5.0
[INFO] [stderr]     Checking zeroize v1.5.5
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking const-oid v0.9.0
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking pem-rfc7468 v0.6.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking der v0.6.0
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]     Checking ff v0.12.0
[INFO] [stderr]     Checking group v0.12.0
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking crypto-bigint v0.4.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking signature v1.5.0
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking serdect v0.1.0
[INFO] [stderr]     Checking sec1 v0.3.0
[INFO] [stderr]     Checking elliptic-curve v0.12.0
[INFO] [stderr]     Checking ecdsa v0.14.1
[INFO] [stderr]  Documenting bp256 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.23s
[INFO] running `Command { std: "docker" "inspect" "80a3b8f0d9a56d36afa32c3993edded9c700d9cb0e0e49ca9aa047bd019bc5a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a3b8f0d9a56d36afa32c3993edded9c700d9cb0e0e49ca9aa047bd019bc5a7", kill_on_drop: false }`
[INFO] [stdout] 80a3b8f0d9a56d36afa32c3993edded9c700d9cb0e0e49ca9aa047bd019bc5a7