[INFO] crate cube-engine 0.1.0 is already in cache
[INFO] extracting crate cube-engine 0.1.0 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/cube-engine/0.1.0
[INFO] extracting crate cube-engine 0.1.0 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/cube-engine/0.1.0
[INFO] validating manifest of cube-engine-0.1.0 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cube-engine-0.1.0 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cube-engine-0.1.0
[INFO] finished frobbing cube-engine-0.1.0
[INFO] frobbed toml for cube-engine-0.1.0 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/cube-engine/0.1.0/Cargo.toml
[INFO] started frobbing cube-engine-0.1.0
[INFO] finished frobbing cube-engine-0.1.0
[INFO] frobbed toml for cube-engine-0.1.0 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/cube-engine/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cube-engine-0.1.0 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-1/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/cube-engine/0.1.0:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 89288e5ca66b064f9d76fd6c644f967c5b73fac5c8851312f81df1771c88d752
[INFO] running `"docker" "start" "-a" "89288e5ca66b064f9d76fd6c644f967c5b73fac5c8851312f81df1771c88d752"`
[INFO] [stderr]     Checking cube-engine v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stderr] warning: unused variable: `signal`
[INFO] [stderr]   --> src/client/handler.rs:35:43
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn handle_ll_login_request(&mut self, signal: LoginRequest) { cs_only!() }
[INFO] [stderr]    |                                           ^^^^^^ help: consider prefixing with an underscore: `_signal`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signal`
[INFO] [stderr]   --> src/client/handler.rs:37:42
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn handle_ll_login_accept(&mut self, signal: LoginAccept) {
[INFO] [stderr]    |                                          ^^^^^^ help: consider prefixing with an underscore: `_signal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signal`
[INFO] [stderr]   --> src/client/handler.rs:41:47
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn handle_ll_server_disconnect(&mut self, signal: ServerDisconnect) {
[INFO] [stderr]    |                                               ^^^^^^ help: consider prefixing with an underscore: `_signal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signal`
[INFO] [stderr]   --> src/client/handler.rs:45:47
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn handle_ll_client_disconnect(&mut self, signal: ClientDisconnect) { cs_only!() }
[INFO] [stderr]    |                                               ^^^^^^ help: consider prefixing with an underscore: `_signal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signal`
[INFO] [stderr]   --> src/client/handler.rs:47:34
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn handle_ll_ping(&mut self, signal: Ping) {
[INFO] [stderr]    |                                  ^^^^^^ help: consider prefixing with an underscore: `_signal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signal`
[INFO] [stderr]   --> src/client/handler.rs:51:34
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn handle_ll_pong(&mut self, signal: Pong) {
[INFO] [stderr]    |                                  ^^^^^^ help: consider prefixing with an underscore: `_signal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signal`
[INFO] [stderr]   --> src/client/handler.rs:55:35
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn handle_pk_spawn(&mut self, signal: Spawn) {
[INFO] [stderr]    |                                   ^^^^^^ help: consider prefixing with an underscore: `_signal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signal`
[INFO] [stderr]   --> src/client/handler.rs:35:43
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn handle_ll_login_request(&mut self, signal: LoginRequest) { cs_only!() }
[INFO] [stderr]    |                                           ^^^^^^ help: consider prefixing with an underscore: `_signal`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signal`
[INFO] [stderr]   --> src/client/handler.rs:37:42
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn handle_ll_login_accept(&mut self, signal: LoginAccept) {
[INFO] [stderr]    |                                          ^^^^^^ help: consider prefixing with an underscore: `_signal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signal`
[INFO] [stderr]   --> src/client/handler.rs:41:47
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn handle_ll_server_disconnect(&mut self, signal: ServerDisconnect) {
[INFO] [stderr]    |                                               ^^^^^^ help: consider prefixing with an underscore: `_signal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signal`
[INFO] [stderr]   --> src/client/handler.rs:45:47
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn handle_ll_client_disconnect(&mut self, signal: ClientDisconnect) { cs_only!() }
[INFO] [stderr]    |                                               ^^^^^^ help: consider prefixing with an underscore: `_signal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signal`
[INFO] [stderr]   --> src/client/handler.rs:47:34
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn handle_ll_ping(&mut self, signal: Ping) {
[INFO] [stderr]    |                                  ^^^^^^ help: consider prefixing with an underscore: `_signal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signal`
[INFO] [stderr]   --> src/client/handler.rs:51:34
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn handle_ll_pong(&mut self, signal: Pong) {
[INFO] [stderr]    |                                  ^^^^^^ help: consider prefixing with an underscore: `_signal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signal`
[INFO] [stderr]   --> src/client/handler.rs:55:35
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn handle_pk_spawn(&mut self, signal: Spawn) {
[INFO] [stderr]    |                                   ^^^^^^ help: consider prefixing with an underscore: `_signal`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.59s
[INFO] running `"docker" "inspect" "89288e5ca66b064f9d76fd6c644f967c5b73fac5c8851312f81df1771c88d752"`
[INFO] running `"docker" "rm" "-f" "89288e5ca66b064f9d76fd6c644f967c5b73fac5c8851312f81df1771c88d752"`
[INFO] [stdout] 89288e5ca66b064f9d76fd6c644f967c5b73fac5c8851312f81df1771c88d752