[INFO] fetching crate clickhouse-driver 0.1.0-alpha.3...
[INFO] documenting clickhouse-driver-0.1.0-alpha.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate clickhouse-driver 0.1.0-alpha.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate clickhouse-driver 0.1.0-alpha.3 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 clickhouse-driver 0.1.0-alpha.3
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate clickhouse-driver 0.1.0-alpha.3
[INFO] tweaked toml for crates.io crate clickhouse-driver 0.1.0-alpha.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate clickhouse-driver 0.1.0-alpha.3 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]  Downloading crates ...
[INFO] [stderr]   Downloaded clickhouse-driver-cthrs v0.1.1
[INFO] [stderr]   Downloaded clickhouse-driver-lz4 v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b74318f21d04b9bc04c070f50e3c7119a7f87aa18dc7feaa5f0ff5c7d2db840b
[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" "b74318f21d04b9bc04c070f50e3c7119a7f87aa18dc7feaa5f0ff5c7d2db840b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b74318f21d04b9bc04c070f50e3c7119a7f87aa18dc7feaa5f0ff5c7d2db840b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b74318f21d04b9bc04c070f50e3c7119a7f87aa18dc7feaa5f0ff5c7d2db840b", kill_on_drop: false }`
[INFO] [stdout] b74318f21d04b9bc04c070f50e3c7119a7f87aa18dc7feaa5f0ff5c7d2db840b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 316d4a07fef3ad074dbef5f9dcdf48750918018cd746232cac292846f57b5fb1
[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" "316d4a07fef3ad074dbef5f9dcdf48750918018cd746232cac292846f57b5fb1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]     Checking clickhouse-driver-cthrs v0.1.1
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling clickhouse-driver-lz4 v0.1.0
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling chrono-tz v0.5.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]  Documenting clickhouse-driver v0.1.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "316d4a07fef3ad074dbef5f9dcdf48750918018cd746232cac292846f57b5fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "316d4a07fef3ad074dbef5f9dcdf48750918018cd746232cac292846f57b5fb1", kill_on_drop: false }`
[INFO] [stdout] 316d4a07fef3ad074dbef5f9dcdf48750918018cd746232cac292846f57b5fb1