[INFO] cloning repository https://github.com/ignatenkobrain/rust2rpm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ignatenkobrain/rust2rpm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fignatenkobrain%2Frust2rpm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fignatenkobrain%2Frust2rpm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77a5c30faac95fde3ac1a151b1a7e4a9a1e1deb5
[INFO] documenting ignatenkobrain/rust2rpm against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fignatenkobrain%2Frust2rpm" "/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/ignatenkobrain/rust2rpm on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ignatenkobrain/rust2rpm
[INFO] finished tweaking git repo https://github.com/ignatenkobrain/rust2rpm
[INFO] tweaked toml for git repo https://github.com/ignatenkobrain/rust2rpm written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ignatenkobrain/rust2rpm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded home v0.3.3
[INFO] [stderr]   Downloaded jobserver v0.1.11
[INFO] [stderr]   Downloaded crates-io v0.18.0
[INFO] [stderr]   Downloaded crypto-hash v0.3.1
[INFO] [stderr]   Downloaded cargo v0.30.0
[INFO] [stderr]   Downloaded libgit2-sys v0.7.10
[INFO] [stderr]   Downloaded curl-sys v0.4.13
[INFO] [stderr]   Downloaded libz-sys v1.0.24
[INFO] [stderr]   Downloaded rustfix v0.4.2
[INFO] [stderr]   Downloaded curl v0.4.18
[INFO] [stderr]   Downloaded tar v0.4.17
[INFO] [stderr]   Downloaded openssl v0.10.14
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] 33ff1cb5be83c9ea0209b6377136c08e94aaf045aabdb304b82515464faa3a58
[INFO] running `Command { std: "docker" "start" "-a" "33ff1cb5be83c9ea0209b6377136c08e94aaf045aabdb304b82515464faa3a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33ff1cb5be83c9ea0209b6377136c08e94aaf045aabdb304b82515464faa3a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33ff1cb5be83c9ea0209b6377136c08e94aaf045aabdb304b82515464faa3a58", kill_on_drop: false }`
[INFO] [stdout] 33ff1cb5be83c9ea0209b6377136c08e94aaf045aabdb304b82515464faa3a58
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e72f165645de84b22ca5cf7c32f152a9522aaffd6165f60d58dfe4d8e34788e
[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" "3e72f165645de84b22ca5cf7c32f152a9522aaffd6165f60d58dfe4d8e34788e", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling openssl v0.10.14
[INFO] [stderr]     Checking same-file v1.0.3
[INFO] [stderr]     Checking home v0.3.3
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling libz-sys v1.0.24
[INFO] [stderr]    Compiling curl-sys v0.4.13
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.10
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking filetime v0.2.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking walkdir v2.2.5
[INFO] [stderr]     Checking serde_ignored v0.0.4
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking tar v0.4.17
[INFO] [stderr]     Checking jobserver v0.1.11
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stderr]     Checking flate2 v1.0.4
[INFO] [stderr]     Checking globset v0.4.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking crypto-hash v0.3.1
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking rustfix v0.4.2
[INFO] [stderr]     Checking ignore v0.4.4
[INFO] [stderr]     Checking curl v0.4.18
[INFO] [stderr]     Checking crates-io v0.18.0
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking git2-curl v0.8.2
[INFO] [stderr]     Checking cargo v0.30.0
[INFO] [stderr]     Checking rust2rpm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rust2rpm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "3e72f165645de84b22ca5cf7c32f152a9522aaffd6165f60d58dfe4d8e34788e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e72f165645de84b22ca5cf7c32f152a9522aaffd6165f60d58dfe4d8e34788e", kill_on_drop: false }`
[INFO] [stdout] 3e72f165645de84b22ca5cf7c32f152a9522aaffd6165f60d58dfe4d8e34788e