[INFO] crate cube-engine 0.1.0 is already in cache
[INFO] checking cube-engine-0.1.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate cube-engine 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cube-engine 0.1.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cube-engine 0.1.0
[INFO] finished tweaking crates.io crate cube-engine 0.1.0
[INFO] tweaked toml for crates.io crate cube-engine 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f284b2e5aeff9ac5540684d34c99e823ba75909b809c43c57fc63038945594f
[INFO] running `"docker" "start" "-a" "3f284b2e5aeff9ac5540684d34c99e823ba75909b809c43c57fc63038945594f"`
[INFO] [stderr]     Checking cube-engine v0.1.0 (/opt/rustwide/workdir)
[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 0.73s
[INFO] running `"docker" "inspect" "3f284b2e5aeff9ac5540684d34c99e823ba75909b809c43c57fc63038945594f"`
[INFO] running `"docker" "rm" "-f" "3f284b2e5aeff9ac5540684d34c99e823ba75909b809c43c57fc63038945594f"`
[INFO] [stdout] 3f284b2e5aeff9ac5540684d34c99e823ba75909b809c43c57fc63038945594f