[INFO] fetching crate mobc-postgres 0.5.0...
[INFO] documenting mobc-postgres-0.5.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate mobc-postgres 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mobc-postgres 0.5.0 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 mobc-postgres 0.5.0
[INFO] finished tweaking crates.io crate mobc-postgres 0.5.0
[INFO] tweaked toml for crates.io crate mobc-postgres 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mobc-postgres 0.5.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded postgres-types v0.1.0
[INFO] [stderr]   Downloaded postgres-protocol v0.5.0
[INFO] [stderr]   Downloaded tokio-postgres v0.5.1
[INFO] [stderr]   Downloaded mobc v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d847eb4cef40d0b98ea082cf85ac4117d6375f91939e5e83fd03b39ea04ff4db
[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" "d847eb4cef40d0b98ea082cf85ac4117d6375f91939e5e83fd03b39ea04ff4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d847eb4cef40d0b98ea082cf85ac4117d6375f91939e5e83fd03b39ea04ff4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d847eb4cef40d0b98ea082cf85ac4117d6375f91939e5e83fd03b39ea04ff4db", kill_on_drop: false }`
[INFO] [stdout] d847eb4cef40d0b98ea082cf85ac4117d6375f91939e5e83fd03b39ea04ff4db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 59187ce82c3b8f3883bc02dac36dce963b946ece9bc63272d02bd914d0ad1d69
[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" "59187ce82c3b8f3883bc02dac36dce963b946ece9bc63272d02bd914d0ad1d69", 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]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking postgres-protocol v0.5.0
[INFO] [stderr]     Checking postgres-types v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling async-trait v0.1.22
[INFO] [stderr]     Checking tokio v0.2.8
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking tokio-postgres v0.5.1
[INFO] [stderr]     Checking mobc v0.5.1
[INFO] [stderr]  Documenting mobc-postgres v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.13s
[INFO] running `Command { std: "docker" "inspect" "59187ce82c3b8f3883bc02dac36dce963b946ece9bc63272d02bd914d0ad1d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59187ce82c3b8f3883bc02dac36dce963b946ece9bc63272d02bd914d0ad1d69", kill_on_drop: false }`
[INFO] [stdout] 59187ce82c3b8f3883bc02dac36dce963b946ece9bc63272d02bd914d0ad1d69