[INFO] fetching crate r2d2_mysql 18.0.0...
[INFO] documenting r2d2_mysql-18.0.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate r2d2_mysql 18.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate r2d2_mysql 18.0.0 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 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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lexical v4.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2105613e508ad6862b8dfc83d9c42d59d5032992e0c936383c3b170cc8dd5a81
[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" "2105613e508ad6862b8dfc83d9c42d59d5032992e0c936383c3b170cc8dd5a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2105613e508ad6862b8dfc83d9c42d59d5032992e0c936383c3b170cc8dd5a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2105613e508ad6862b8dfc83d9c42d59d5032992e0c936383c3b170cc8dd5a81", kill_on_drop: false }`
[INFO] [stdout] 2105613e508ad6862b8dfc83d9c42d59d5032992e0c936383c3b170cc8dd5a81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 82c9a89a16c3750e39f0dfc8d79c334d6733217dfcc23786d4060bb3e56860bc
[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" "82c9a89a16c3750e39f0dfc8d79c334d6733217dfcc23786d4060bb3e56860bc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling io-enum v0.2.3
[INFO] [stderr]    Compiling mysql v18.2.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking openssl-sys v0.9.58
[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 v1.7.0
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]    Compiling derive_utils v0.10.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.4
[INFO] [stderr]     Checking r2d2 v0.8.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking mysql_common v0.20.2
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.2.18
[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 29.03s
[INFO] running `Command { std: "docker" "inspect" "82c9a89a16c3750e39f0dfc8d79c334d6733217dfcc23786d4060bb3e56860bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82c9a89a16c3750e39f0dfc8d79c334d6733217dfcc23786d4060bb3e56860bc", kill_on_drop: false }`
[INFO] [stdout] 82c9a89a16c3750e39f0dfc8d79c334d6733217dfcc23786d4060bb3e56860bc