[INFO] cloning repository https://github.com/merodiro/fibonacci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/merodiro/fibonacci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerodiro%2Ffibonacci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerodiro%2Ffibonacci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 581d034ac8c1f8d36e7aa1fcd46a5f00c20f58d0
[INFO] documenting merodiro/fibonacci 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%2Fmerodiro%2Ffibonacci" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/merodiro/fibonacci 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] removed /workspace/builds/worker-3/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/merodiro/fibonacci
[INFO] finished tweaking git repo https://github.com/merodiro/fibonacci
[INFO] tweaked toml for git repo https://github.com/merodiro/fibonacci written to /workspace/builds/worker-3/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stdout] eb3982ff10408f16405b5c55b8b3fa8646a373f3b613f5bf88f60b26ec69e0da
[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" "eb3982ff10408f16405b5c55b8b3fa8646a373f3b613f5bf88f60b26ec69e0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb3982ff10408f16405b5c55b8b3fa8646a373f3b613f5bf88f60b26ec69e0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb3982ff10408f16405b5c55b8b3fa8646a373f3b613f5bf88f60b26ec69e0da", kill_on_drop: false }`
[INFO] [stdout] eb3982ff10408f16405b5c55b8b3fa8646a373f3b613f5bf88f60b26ec69e0da
[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] f51f23b38559b7a570f4c43b21642b76171235ae8e8cb75dfc9b5cecf99172f8
[INFO] running `Command { std: "docker" "start" "-a" "f51f23b38559b7a570f4c43b21642b76171235ae8e8cb75dfc9b5cecf99172f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling napi-build v1.2.1
[INFO] [stderr]     Checking napi-sys v2.2.2
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.25
[INFO] [stderr]    Compiling napi-package-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mimalloc v0.1.29
[INFO] [stderr]    Compiling napi-derive-backend v1.0.32
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling napi-derive v2.4.1
[INFO] [stderr]     Checking napi v2.4.3
[INFO] [stderr]  Documenting napi-package-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.21s
[INFO] running `Command { std: "docker" "inspect" "f51f23b38559b7a570f4c43b21642b76171235ae8e8cb75dfc9b5cecf99172f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51f23b38559b7a570f4c43b21642b76171235ae8e8cb75dfc9b5cecf99172f8", kill_on_drop: false }`
[INFO] [stdout] f51f23b38559b7a570f4c43b21642b76171235ae8e8cb75dfc9b5cecf99172f8
[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" "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" "--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] fa40029868e09712b41215cdfc1889c5a6f2657f8f3508c577c45b1c7dbada6e
[INFO] running `Command { std: "docker" "start" "-a" "fa40029868e09712b41215cdfc1889c5a6f2657f8f3508c577c45b1c7dbada6e", 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 memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling napi-build v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking napi-sys v2.2.2
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling napi-package-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.25
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]     Checking mimalloc v0.1.29
[INFO] [stderr]    Compiling napi-derive-backend v1.0.32
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling napi-derive v2.4.1
[INFO] [stderr]     Checking napi v2.4.3
[INFO] [stderr]  Documenting napi-package-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "fa40029868e09712b41215cdfc1889c5a6f2657f8f3508c577c45b1c7dbada6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa40029868e09712b41215cdfc1889c5a6f2657f8f3508c577c45b1c7dbada6e", kill_on_drop: false }`
[INFO] [stdout] fa40029868e09712b41215cdfc1889c5a6f2657f8f3508c577c45b1c7dbada6e