[INFO] fetching crate r2d2_mysql 18.0.0...
[INFO] documenting r2d2_mysql-18.0.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate r2d2_mysql 18.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate r2d2_mysql 18.0.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r2d2_mysql 18.0.0
[INFO] finished tweaking crates.io crate r2d2_mysql 18.0.0
[INFO] tweaked toml for crates.io crate r2d2_mysql 18.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cc6dcc81f573372e6f8d20146a94e6327f72a02c5ddf4b82437af66ba23b171
[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" "3cc6dcc81f573372e6f8d20146a94e6327f72a02c5ddf4b82437af66ba23b171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cc6dcc81f573372e6f8d20146a94e6327f72a02c5ddf4b82437af66ba23b171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc6dcc81f573372e6f8d20146a94e6327f72a02c5ddf4b82437af66ba23b171", kill_on_drop: false }`
[INFO] [stdout] 3cc6dcc81f573372e6f8d20146a94e6327f72a02c5ddf4b82437af66ba23b171
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7097d34ef583d12d41d0f75a1e8ba8b3d37b8bda4ee9b08270edb26a68dc2569
[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" "7097d34ef583d12d41d0f75a1e8ba8b3d37b8bda4ee9b08270edb26a68dc2569", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling io-enum v0.2.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling mysql v18.2.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling lexical v4.2.0
[INFO] [stderr]     Checking rust_decimal v1.8.1
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]    Compiling derive_utils v0.10.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.4
[INFO] [stderr]     Checking r2d2 v0.8.8
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]    Compiling const-random-macro v0.1.11
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking const-random v0.1.11
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]     Checking mysql_common v0.20.2
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]  Documenting r2d2_mysql v18.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.53s
[INFO] running `Command { std: "docker" "inspect" "7097d34ef583d12d41d0f75a1e8ba8b3d37b8bda4ee9b08270edb26a68dc2569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7097d34ef583d12d41d0f75a1e8ba8b3d37b8bda4ee9b08270edb26a68dc2569", kill_on_drop: false }`
[INFO] [stdout] 7097d34ef583d12d41d0f75a1e8ba8b3d37b8bda4ee9b08270edb26a68dc2569
