[INFO] fetching crate cube-engine 0.1.0...
[INFO] checking cube-engine-0.1.0 against master#201e52e5fe73ccf3dd22946b1216ad8d64f8c2ba for pr-63809
[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 201e52e5fe73ccf3dd22946b1216ad8d64f8c2ba
[INFO] running `"/workspace/cargo-home/bin/cargo" "+201e52e5fe73ccf3dd22946b1216ad8d64f8c2ba" "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" "+201e52e5fe73ccf3dd22946b1216ad8d64f8c2ba" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+201e52e5fe73ccf3dd22946b1216ad8d64f8c2ba" "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" "+201e52e5fe73ccf3dd22946b1216ad8d64f8c2ba" "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] 7fc7e2e4346c2eafc49f06e9c29a90e7c8944cfb2b4d87beef6609b92c9e5b21
[INFO] running `"docker" "start" "-a" "7fc7e2e4346c2eafc49f06e9c29a90e7c8944cfb2b4d87beef6609b92c9e5b21"`
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking libflate v0.1.27
[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]    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]     Finished dev [unoptimized + debuginfo] target(s) in 19.04s
[INFO] running `"docker" "inspect" "7fc7e2e4346c2eafc49f06e9c29a90e7c8944cfb2b4d87beef6609b92c9e5b21"`
[INFO] running `"docker" "rm" "-f" "7fc7e2e4346c2eafc49f06e9c29a90e7c8944cfb2b4d87beef6609b92c9e5b21"`
[INFO] [stdout] 7fc7e2e4346c2eafc49f06e9c29a90e7c8944cfb2b4d87beef6609b92c9e5b21