[INFO] cloning repository https://github.com/io12/unf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/io12/unf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fio12%2Funf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fio12%2Funf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72bbf7189e5ccb4441555f63c5c7df9a7a0e0c6f
[INFO] documenting io12/unf 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%2Fio12%2Funf" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/io12/unf 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/io12/unf
[INFO] finished tweaking git repo https://github.com/io12/unf
[INFO] tweaked toml for git repo https://github.com/io12/unf written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/io12/unf 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a88731b10f1a8a5547a227ced603d3153e4783e34fd19c2feeaeb7c593141f05
[INFO] running `Command { std: "docker" "start" "-a" "a88731b10f1a8a5547a227ced603d3153e4783e34fd19c2feeaeb7c593141f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a88731b10f1a8a5547a227ced603d3153e4783e34fd19c2feeaeb7c593141f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a88731b10f1a8a5547a227ced603d3153e4783e34fd19c2feeaeb7c593141f05", kill_on_drop: false }`
[INFO] [stdout] a88731b10f1a8a5547a227ced603d3153e4783e34fd19c2feeaeb7c593141f05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 49f544130eaf8abb9a5fcb5df5ef198ce3b7ee0381d521826909b8bc7bb507b8
[INFO] running `Command { std: "docker" "start" "-a" "49f544130eaf8abb9a5fcb5df5ef198ce3b7ee0381d521826909b8bc7bb507b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking deunicode v1.3.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking dirs-next v1.0.2
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking rsfs v0.4.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking rustyline v6.3.0
[INFO] [stderr]     Checking promptly v0.3.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]  Documenting unf v2.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.68s
[INFO] running `Command { std: "docker" "inspect" "49f544130eaf8abb9a5fcb5df5ef198ce3b7ee0381d521826909b8bc7bb507b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f544130eaf8abb9a5fcb5df5ef198ce3b7ee0381d521826909b8bc7bb507b8", kill_on_drop: false }`
[INFO] [stdout] 49f544130eaf8abb9a5fcb5df5ef198ce3b7ee0381d521826909b8bc7bb507b8