[INFO] cloning repository https://github.com/korniii/rust_tiberius_snippets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/korniii/rust_tiberius_snippets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkorniii%2Frust_tiberius_snippets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkorniii%2Frust_tiberius_snippets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20330cfe4617ca6f145a484fea4b1ba77d81571c
[INFO] documenting korniii/rust_tiberius_snippets against 1.55.0 for beta-1.56-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkorniii%2Frust_tiberius_snippets" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/korniii/rust_tiberius_snippets on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/korniii/rust_tiberius_snippets
[INFO] finished tweaking git repo https://github.com/korniii/rust_tiberius_snippets
[INFO] tweaked toml for git repo https://github.com/korniii/rust_tiberius_snippets written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/korniii/rust_tiberius_snippets already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51920e866865c1b510a2b72901d4b9138609b4e0b11ebf21cc53263f62026028
[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" "51920e866865c1b510a2b72901d4b9138609b4e0b11ebf21cc53263f62026028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51920e866865c1b510a2b72901d4b9138609b4e0b11ebf21cc53263f62026028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51920e866865c1b510a2b72901d4b9138609b4e0b11ebf21cc53263f62026028", kill_on_drop: false }`
[INFO] [stdout] 51920e866865c1b510a2b72901d4b9138609b4e0b11ebf21cc53263f62026028
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] de4719534cb59a4a8034d3e7bf23872d485a269b08805dfcc32264b79a668d67
[INFO] running `Command { std: "docker" "start" "-a" "de4719534cb59a4a8034d3e7bf23872d485a269b08805dfcc32264b79a668d67", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking pretty-hex v0.1.1
[INFO] [stderr]     Checking connection-string v0.1.13
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking openssl-sys v0.9.61
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking openssl v0.10.33
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]     Checking enumflags2 v0.6.4
[INFO] [stderr]     Checking tokio v1.4.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking asynchronous-codec v0.5.0
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking tiberius v0.5.12
[INFO] [stderr]     Checking tokio-util v0.6.5
[INFO] [stderr]  Documenting rust_mssql v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.08s
[INFO] running `Command { std: "docker" "inspect" "de4719534cb59a4a8034d3e7bf23872d485a269b08805dfcc32264b79a668d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4719534cb59a4a8034d3e7bf23872d485a269b08805dfcc32264b79a668d67", kill_on_drop: false }`
[INFO] [stdout] de4719534cb59a4a8034d3e7bf23872d485a269b08805dfcc32264b79a668d67