[INFO] updating cached repository Leonti/rust-socket-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Leonti/rust-socket-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Leonti/rust-socket-server" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/Leonti/rust-socket-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/Leonti/rust-socket-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Leonti/rust-socket-server" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/Leonti/rust-socket-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/Leonti/rust-socket-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 357e9777912323ed5b81503040395e5662e85d0f
[INFO] sha for GitHub repo Leonti/rust-socket-server: 357e9777912323ed5b81503040395e5662e85d0f
[INFO] validating manifest of Leonti/rust-socket-server on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Leonti/rust-socket-server on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Leonti/rust-socket-server
[INFO] finished frobbing Leonti/rust-socket-server
[INFO] frobbed toml for Leonti/rust-socket-server written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/Leonti/rust-socket-server/Cargo.toml
[INFO] started frobbing Leonti/rust-socket-server
[INFO] finished frobbing Leonti/rust-socket-server
[INFO] frobbed toml for Leonti/rust-socket-server written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/Leonti/rust-socket-server/Cargo.toml
[INFO] crate Leonti/rust-socket-server already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Leonti/rust-socket-server against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-3/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/Leonti/rust-socket-server:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 15617900f3f13029c5c219746030c305ad2395263c8c1dc84bf0a8173e2dc9ec
[INFO] running `"docker" "start" "-a" "15617900f3f13029c5c219746030c305ad2395263c8c1dc84bf0a8173e2dc9ec"`
[INFO] [stderr]    Compiling walkdir v2.2.6
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking nix v0.6.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]     Checking serialport v3.1.0
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking mio-serial v3.1.0
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-serial v3.1.0
[INFO] [stderr]    Compiling cargo_metadata v0.5.8
[INFO] [stderr]     Checking spidev v0.3.0
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking mcp3008 v1.0.0
[INFO] [stderr]     Checking tokio-dns-unofficial v0.3.1
[INFO] [stderr]     Checking sysfs_gpio v0.5.3
[INFO] [stderr]    Compiling skeptic v0.13.3
[INFO] [stderr]     Checking tokio-tungstenite v0.6.0
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]     Checking rover_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: the item `Sink` is imported redundantly
[INFO] [stderr]    --> src/main.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 18  | use tokio::prelude::*;
[INFO] [stderr]     |     ----------------- the item `Sink` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 260 |                 use futures::Sink;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/main.rs:4:9
[INFO] [stderr]     |
[INFO] [stderr] 4   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: #[deny(unused_imports)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: the item `Sink` is imported redundantly
[INFO] [stderr]    --> src/main.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 18  | use tokio::prelude::*;
[INFO] [stderr]     |     ----------------- the item `Sink` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 260 |                 use futures::Sink;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/main.rs:4:9
[INFO] [stderr]     |
[INFO] [stderr] 4   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: #[deny(unused_imports)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rover_server`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rover_server`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "15617900f3f13029c5c219746030c305ad2395263c8c1dc84bf0a8173e2dc9ec"`
[INFO] running `"docker" "rm" "-f" "15617900f3f13029c5c219746030c305ad2395263c8c1dc84bf0a8173e2dc9ec"`
[INFO] [stdout] 15617900f3f13029c5c219746030c305ad2395263c8c1dc84bf0a8173e2dc9ec