[INFO] updating cached repository mmun/redis-nickel-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mmun/redis-nickel-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mmun/redis-nickel-server" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/mmun/redis-nickel-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/mmun/redis-nickel-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mmun/redis-nickel-server" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/mmun/redis-nickel-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/mmun/redis-nickel-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 972135c421808c41a01fc02b23cf647f786d24f3
[INFO] sha for GitHub repo mmun/redis-nickel-server: 972135c421808c41a01fc02b23cf647f786d24f3
[INFO] validating manifest of mmun/redis-nickel-server on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mmun/redis-nickel-server on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mmun/redis-nickel-server
[INFO] finished frobbing mmun/redis-nickel-server
[INFO] frobbed toml for mmun/redis-nickel-server written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/mmun/redis-nickel-server/Cargo.toml
[INFO] started frobbing mmun/redis-nickel-server
[INFO] finished frobbing mmun/redis-nickel-server
[INFO] frobbed toml for mmun/redis-nickel-server written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/mmun/redis-nickel-server/Cargo.toml
[INFO] crate mmun/redis-nickel-server already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/mmun/redis-nickel-server/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mmun/redis-nickel-server against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-3/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/mmun/redis-nickel-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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] edfc2af02fd38c201521488a9a8e9b75bd1ecc75b184491f68ac72aad40f69e5
[INFO] running `"docker" "start" "-a" "edfc2af02fd38c201521488a9a8e9b75bd1ecc75b184491f68ac72aad40f69e5"`
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]    Compiling redis v0.10.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking redis-nickel-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Connection`, `RedisResult`
[INFO] [stderr]   --> src/main.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 | use redis::{Commands, Connection, RedisResult};
[INFO] [stderr]    |                       ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     server.listen("0.0.0.0:6767");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Connection`, `RedisResult`
[INFO] [stderr]   --> src/main.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 | use redis::{Commands, Connection, RedisResult};
[INFO] [stderr]    |                       ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     server.listen("0.0.0.0:6767");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.34s
[INFO] running `"docker" "inspect" "edfc2af02fd38c201521488a9a8e9b75bd1ecc75b184491f68ac72aad40f69e5"`
[INFO] running `"docker" "rm" "-f" "edfc2af02fd38c201521488a9a8e9b75bd1ecc75b184491f68ac72aad40f69e5"`
[INFO] [stdout] edfc2af02fd38c201521488a9a8e9b75bd1ecc75b184491f68ac72aad40f69e5