[INFO] cloning repository https://github.com/vinikira/weather-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vinikira/weather-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinikira%2Fweather-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinikira%2Fweather-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8ba4084a3bd2b253dc02df19377ea92abb737c6
[INFO] documenting vinikira/weather-rs against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinikira%2Fweather-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vinikira/weather-rs on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vinikira/weather-rs
[INFO] finished tweaking git repo https://github.com/vinikira/weather-rs
[INFO] tweaked toml for git repo https://github.com/vinikira/weather-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/vinikira/weather-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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] 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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfb2275b6981b90e07132a24b1774948cd1d2b2cb9e8cd6232ec85cc5a7d76c4
[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" "cfb2275b6981b90e07132a24b1774948cd1d2b2cb9e8cd6232ec85cc5a7d76c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfb2275b6981b90e07132a24b1774948cd1d2b2cb9e8cd6232ec85cc5a7d76c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfb2275b6981b90e07132a24b1774948cd1d2b2cb9e8cd6232ec85cc5a7d76c4", kill_on_drop: false }`
[INFO] [stdout] cfb2275b6981b90e07132a24b1774948cd1d2b2cb9e8cd6232ec85cc5a7d76c4
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca71b7eb63f8baaaf08445901a534cc1048aca5246a6002603695202a61adb48
[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" "ca71b7eb63f8baaaf08445901a534cc1048aca5246a6002603695202a61adb48", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding_rs v0.8.12
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking smallvec v0.6.6
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking libflate v0.1.18
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking openssl-sys v0.9.39
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking openssl v0.10.15
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking native-tls v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking hyper v0.12.14
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.5
[INFO] [stderr]  Documenting weather-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/api.rs:13:58
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn search_city(city_name: &str) -> Result<Vec<City>, (reqwest::Error)> {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.68s
[INFO] running `Command { std: "docker" "inspect" "ca71b7eb63f8baaaf08445901a534cc1048aca5246a6002603695202a61adb48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca71b7eb63f8baaaf08445901a534cc1048aca5246a6002603695202a61adb48", kill_on_drop: false }`
[INFO] [stdout] ca71b7eb63f8baaaf08445901a534cc1048aca5246a6002603695202a61adb48