[INFO] cloning repository https://github.com/qezz/rust-ffi-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qezz/rust-ffi-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Frust-ffi-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Frust-ffi-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20254e58d38ec17be2261bc2a721bfede617e454
[INFO] documenting qezz/rust-ffi-demo against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Frust-ffi-demo" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qezz/rust-ffi-demo 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 git repo https://github.com/qezz/rust-ffi-demo
[INFO] finished tweaking git repo https://github.com/qezz/rust-ffi-demo
[INFO] tweaked toml for git repo https://github.com/qezz/rust-ffi-demo written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/qezz/rust-ffi-demo 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 361b3588b0dacf05238c4b3d9674ce9b2e7db6f03a4603b637ea6111b6b18b73
[INFO] running `Command { std: "docker" "start" "-a" "361b3588b0dacf05238c4b3d9674ce9b2e7db6f03a4603b637ea6111b6b18b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "361b3588b0dacf05238c4b3d9674ce9b2e7db6f03a4603b637ea6111b6b18b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361b3588b0dacf05238c4b3d9674ce9b2e7db6f03a4603b637ea6111b6b18b73", kill_on_drop: false }`
[INFO] [stdout] 361b3588b0dacf05238c4b3d9674ce9b2e7db6f03a4603b637ea6111b6b18b73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4fec3f8bab6d870eb3ca3d24387c39d6b92466eabc5c54d2804c1e46b231205e
[INFO] running `Command { std: "docker" "start" "-a" "4fec3f8bab6d870eb3ca3d24387c39d6b92466eabc5c54d2804c1e46b231205e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.11
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling bindgen v0.45.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling clang-sys v0.26.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling cexpr v0.3.3
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling rust_ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rust_ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.62s
[INFO] running `Command { std: "docker" "inspect" "4fec3f8bab6d870eb3ca3d24387c39d6b92466eabc5c54d2804c1e46b231205e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fec3f8bab6d870eb3ca3d24387c39d6b92466eabc5c54d2804c1e46b231205e", kill_on_drop: false }`
[INFO] [stdout] 4fec3f8bab6d870eb3ca3d24387c39d6b92466eabc5c54d2804c1e46b231205e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] d262e172c497ce219119b21f9cf8ebf35817928ef99ebf000c28b31ab789697b
[INFO] running `Command { std: "docker" "start" "-a" "d262e172c497ce219119b21f9cf8ebf35817928ef99ebf000c28b31ab789697b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling bindgen v0.45.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling clang-sys v0.26.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling cexpr v0.3.3
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling rust_ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rust_ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.34s
[INFO] running `Command { std: "docker" "inspect" "d262e172c497ce219119b21f9cf8ebf35817928ef99ebf000c28b31ab789697b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d262e172c497ce219119b21f9cf8ebf35817928ef99ebf000c28b31ab789697b", kill_on_drop: false }`
[INFO] [stdout] d262e172c497ce219119b21f9cf8ebf35817928ef99ebf000c28b31ab789697b