[INFO] updating cached repository hajsf/rocket_ws_openlayers
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hajsf/rocket_ws_openlayers
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hajsf/rocket_ws_openlayers" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/hajsf/rocket_ws_openlayers"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/hajsf/rocket_ws_openlayers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hajsf/rocket_ws_openlayers" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/hajsf/rocket_ws_openlayers"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/hajsf/rocket_ws_openlayers'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5c6ad7f03523ea3de7df85472b06b6a570d71f08
[INFO] sha for GitHub repo hajsf/rocket_ws_openlayers: 5c6ad7f03523ea3de7df85472b06b6a570d71f08
[INFO] validating manifest of hajsf/rocket_ws_openlayers on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hajsf/rocket_ws_openlayers on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hajsf/rocket_ws_openlayers
[INFO] finished frobbing hajsf/rocket_ws_openlayers
[INFO] frobbed toml for hajsf/rocket_ws_openlayers written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/hajsf/rocket_ws_openlayers/Cargo.toml
[INFO] started frobbing hajsf/rocket_ws_openlayers
[INFO] finished frobbing hajsf/rocket_ws_openlayers
[INFO] frobbed toml for hajsf/rocket_ws_openlayers written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/hajsf/rocket_ws_openlayers/Cargo.toml
[INFO] crate hajsf/rocket_ws_openlayers already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking hajsf/rocket_ws_openlayers against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-3/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/hajsf/rocket_ws_openlayers:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a2dd71b8161501baf0a762f375a2d047629afafbd2a3952d1d9567f4e620e056
[INFO] running `"docker" "start" "-a" "a2dd71b8161501baf0a762f375a2d047629afafbd2a3952d1d9567f4e620e056"`
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking ws v0.8.1
[INFO] [stderr]     Checking rocket v0.4.2
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking rocket_contrib v0.4.2
[INFO] [stderr]     Checking ws_tracking v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `WebSocket`
[INFO] [stderr]  --> src/socket.rs:1:74
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ws::{Handler, Message, Request, Response, Result, Sender, CloseCode, WebSocket};
[INFO] [stderr]   |                                                                          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut ws = ws::WebSocket::new(|out| Server { out }).unwrap();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WebSocket`
[INFO] [stderr]  --> src/socket.rs:1:74
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ws::{Handler, Message, Request, Response, Result, Sender, CloseCode, WebSocket};
[INFO] [stderr]   |                                                                          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut ws = ws::WebSocket::new(|out| Server { out }).unwrap();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.01s
[INFO] running `"docker" "inspect" "a2dd71b8161501baf0a762f375a2d047629afafbd2a3952d1d9567f4e620e056"`
[INFO] running `"docker" "rm" "-f" "a2dd71b8161501baf0a762f375a2d047629afafbd2a3952d1d9567f4e620e056"`
[INFO] [stdout] a2dd71b8161501baf0a762f375a2d047629afafbd2a3952d1d9567f4e620e056