[INFO] cloning repository https://github.com/rummolprod999/rust_mysql
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rummolprod999/rust_mysql" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frummolprod999%2Frust_mysql", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frummolprod999%2Frust_mysql'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af8614ec2129efe5a10f0bc05ee397232b82b31d
[INFO] documenting rummolprod999/rust_mysql 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%2Frummolprod999%2Frust_mysql" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rummolprod999/rust_mysql 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/rummolprod999/rust_mysql
[INFO] finished tweaking git repo https://github.com/rummolprod999/rust_mysql
[INFO] tweaked toml for git repo https://github.com/rummolprod999/rust_mysql written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rummolprod999/rust_mysql 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 3816cd61178ad6d415e36b5bba8b0e223d2ad41dcbc0ebe4ff5d43f50113468d
[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" "3816cd61178ad6d415e36b5bba8b0e223d2ad41dcbc0ebe4ff5d43f50113468d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3816cd61178ad6d415e36b5bba8b0e223d2ad41dcbc0ebe4ff5d43f50113468d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3816cd61178ad6d415e36b5bba8b0e223d2ad41dcbc0ebe4ff5d43f50113468d", kill_on_drop: false }`
[INFO] [stdout] 3816cd61178ad6d415e36b5bba8b0e223d2ad41dcbc0ebe4ff5d43f50113468d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0f2b151fc74ad2fb26575268faeea26b943e94df51d170163fa88a9cc60a75be
[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" "0f2b151fc74ad2fb26575268faeea26b943e94df51d170163fa88a9cc60a75be", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.22
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling regex v1.0.4
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking twox-hash v1.1.1
[INFO] [stderr]     Checking atoi v0.2.3
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking digest v0.7.5
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking mysql_common v0.8.0
[INFO] [stderr]     Checking mysql v14.0.0
[INFO] [stderr]  Documenting rust_mysql v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.23s
[INFO] running `Command { std: "docker" "inspect" "0f2b151fc74ad2fb26575268faeea26b943e94df51d170163fa88a9cc60a75be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2b151fc74ad2fb26575268faeea26b943e94df51d170163fa88a9cc60a75be", kill_on_drop: false }`
[INFO] [stdout] 0f2b151fc74ad2fb26575268faeea26b943e94df51d170163fa88a9cc60a75be