Dec 18 16:37:27.600 INFO checking express-0.0.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:37:27.601 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/express/0.0.2:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:37:27.840 INFO [stdout] e9b01d51f9647e1c32894b33729e1022c2303cb84ce2e8d4788cca55efd3fd52
Dec 18 16:37:27.846 INFO running `"docker" "start" "-a" "e9b01d51f9647e1c32894b33729e1022c2303cb84ce2e8d4788cca55efd3fd52"`
Dec 18 16:37:28.447 INFO [stderr]     Checking express v0.0.2 (/opt/crater/workdir)
Dec 18 16:37:28.720 INFO [stderr] warning: unused variable: `res`
Dec 18 16:37:28.720 INFO [stderr]  --> src/middleware.rs:4:15
Dec 18 16:37:28.720 INFO [stderr]   |
Dec 18 16:37:28.720 INFO [stderr] 4 |     fn invoke(res: String, req: String, next: String) {}
Dec 18 16:37:28.720 INFO [stderr]   |               ^^^ help: consider using `_res` instead
Dec 18 16:37:28.720 INFO [stderr]   |
Dec 18 16:37:28.720 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 16:37:28.720 INFO [stderr] 
Dec 18 16:37:28.720 INFO [stderr] warning: unused variable: `req`
Dec 18 16:37:28.720 INFO [stderr]  --> src/middleware.rs:4:28
Dec 18 16:37:28.720 INFO [stderr]   |
Dec 18 16:37:28.720 INFO [stderr] 4 |     fn invoke(res: String, req: String, next: String) {}
Dec 18 16:37:28.720 INFO [stderr]   |                            ^^^ help: consider using `_req` instead
Dec 18 16:37:28.720 INFO [stderr] 
Dec 18 16:37:28.720 INFO [stderr] warning: unused variable: `next`
Dec 18 16:37:28.720 INFO [stderr]  --> src/middleware.rs:4:41
Dec 18 16:37:28.720 INFO [stderr]   |
Dec 18 16:37:28.720 INFO [stderr] 4 |     fn invoke(res: String, req: String, next: String) {}
Dec 18 16:37:28.720 INFO [stderr]   |                                         ^^^^ help: consider using `_next` instead
Dec 18 16:37:28.720 INFO [stderr] 
Dec 18 16:37:28.720 INFO [stderr] warning: unused variable: `port`
Dec 18 16:37:28.720 INFO [stderr]   --> src/express.rs:26:19
Dec 18 16:37:28.720 INFO [stderr]    |
Dec 18 16:37:28.720 INFO [stderr] 26 |     pub fn listen(port: String) -> () {
Dec 18 16:37:28.720 INFO [stderr]    |                   ^^^^ help: consider using `_port` instead
Dec 18 16:37:28.720 INFO [stderr] 
Dec 18 16:37:28.720 INFO [stderr] warning: unused variable: `res`
Dec 18 16:37:28.720 INFO [stderr]   --> src/router/router.rs:18:15
Dec 18 16:37:28.720 INFO [stderr]    |
Dec 18 16:37:28.720 INFO [stderr] 18 |     fn invoke(res: String, req: String, next: String) {}
Dec 18 16:37:28.720 INFO [stderr]    |               ^^^ help: consider using `_res` instead
Dec 18 16:37:28.720 INFO [stderr] 
Dec 18 16:37:28.720 INFO [stderr] warning: unused variable: `req`
Dec 18 16:37:28.720 INFO [stderr]   --> src/router/router.rs:18:28
Dec 18 16:37:28.720 INFO [stderr]    |
Dec 18 16:37:28.720 INFO [stderr] 18 |     fn invoke(res: String, req: String, next: String) {}
Dec 18 16:37:28.720 INFO [stderr]    |                            ^^^ help: consider using `_req` instead
Dec 18 16:37:28.720 INFO [stderr] 
Dec 18 16:37:28.720 INFO [stderr] warning: unused variable: `next`
Dec 18 16:37:28.720 INFO [stderr]   --> src/router/router.rs:18:41
Dec 18 16:37:28.720 INFO [stderr]    |
Dec 18 16:37:28.720 INFO [stderr] 18 |     fn invoke(res: String, req: String, next: String) {}
Dec 18 16:37:28.720 INFO [stderr]    |                                         ^^^^ help: consider using `_next` instead
Dec 18 16:37:28.720 INFO [stderr] 
Dec 18 16:37:28.724 INFO [stderr] warning: method `Use` should have a snake case name such as `use`
Dec 18 16:37:28.724 INFO [stderr]   --> src/express.rs:16:5
Dec 18 16:37:28.724 INFO [stderr]    |
Dec 18 16:37:28.724 INFO [stderr] 16 |     pub fn Use() -> () {}
Dec 18 16:37:28.724 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:37:28.724 INFO [stderr]    |
Dec 18 16:37:28.724 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 16:37:28.724 INFO [stderr] 
Dec 18 16:37:28.772 INFO [stderr] warning: unused variable: `res`
Dec 18 16:37:28.772 INFO [stderr]  --> src/middleware.rs:4:15
Dec 18 16:37:28.772 INFO [stderr]   |
Dec 18 16:37:28.772 INFO [stderr] 4 |     fn invoke(res: String, req: String, next: String) {}
Dec 18 16:37:28.772 INFO [stderr]   |               ^^^ help: consider using `_res` instead
Dec 18 16:37:28.772 INFO [stderr]   |
Dec 18 16:37:28.772 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 16:37:28.772 INFO [stderr] 
Dec 18 16:37:28.772 INFO [stderr] warning: unused variable: `req`
Dec 18 16:37:28.772 INFO [stderr]  --> src/middleware.rs:4:28
Dec 18 16:37:28.772 INFO [stderr]   |
Dec 18 16:37:28.772 INFO [stderr] 4 |     fn invoke(res: String, req: String, next: String) {}
Dec 18 16:37:28.772 INFO [stderr]   |                            ^^^ help: consider using `_req` instead
Dec 18 16:37:28.772 INFO [stderr] 
Dec 18 16:37:28.772 INFO [stderr] warning: unused variable: `next`
Dec 18 16:37:28.772 INFO [stderr]  --> src/middleware.rs:4:41
Dec 18 16:37:28.772 INFO [stderr]   |
Dec 18 16:37:28.772 INFO [stderr] 4 |     fn invoke(res: String, req: String, next: String) {}
Dec 18 16:37:28.772 INFO [stderr]   |                                         ^^^^ help: consider using `_next` instead
Dec 18 16:37:28.772 INFO [stderr] 
Dec 18 16:37:28.772 INFO [stderr] warning: unused variable: `port`
Dec 18 16:37:28.772 INFO [stderr]   --> src/express.rs:26:19
Dec 18 16:37:28.772 INFO [stderr]    |
Dec 18 16:37:28.772 INFO [stderr] 26 |     pub fn listen(port: String) -> () {
Dec 18 16:37:28.772 INFO [stderr]    |                   ^^^^ help: consider using `_port` instead
Dec 18 16:37:28.772 INFO [stderr] 
Dec 18 16:37:28.772 INFO [stderr] warning: unused variable: `res`
Dec 18 16:37:28.772 INFO [stderr]   --> src/router/router.rs:18:15
Dec 18 16:37:28.772 INFO [stderr]    |
Dec 18 16:37:28.772 INFO [stderr] 18 |     fn invoke(res: String, req: String, next: String) {}
Dec 18 16:37:28.772 INFO [stderr]    |               ^^^ help: consider using `_res` instead
Dec 18 16:37:28.772 INFO [stderr] 
Dec 18 16:37:28.772 INFO [stderr] warning: unused variable: `req`
Dec 18 16:37:28.772 INFO [stderr]   --> src/router/router.rs:18:28
Dec 18 16:37:28.772 INFO [stderr]    |
Dec 18 16:37:28.772 INFO [stderr] 18 |     fn invoke(res: String, req: String, next: String) {}
Dec 18 16:37:28.772 INFO [stderr]    |                            ^^^ help: consider using `_req` instead
Dec 18 16:37:28.772 INFO [stderr] 
Dec 18 16:37:28.772 INFO [stderr] warning: unused variable: `next`
Dec 18 16:37:28.772 INFO [stderr]   --> src/router/router.rs:18:41
Dec 18 16:37:28.772 INFO [stderr]    |
Dec 18 16:37:28.772 INFO [stderr] 18 |     fn invoke(res: String, req: String, next: String) {}
Dec 18 16:37:28.772 INFO [stderr]    |                                         ^^^^ help: consider using `_next` instead
Dec 18 16:37:28.772 INFO [stderr] 
Dec 18 16:37:28.772 INFO [stderr] warning: method `Use` should have a snake case name such as `use`
Dec 18 16:37:28.772 INFO [stderr]   --> src/express.rs:16:5
Dec 18 16:37:28.772 INFO [stderr]    |
Dec 18 16:37:28.772 INFO [stderr] 16 |     pub fn Use() -> () {}
Dec 18 16:37:28.772 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:37:28.772 INFO [stderr]    |
Dec 18 16:37:28.772 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 16:37:28.772 INFO [stderr] 
Dec 18 16:37:28.799 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
Dec 18 16:37:29.162 INFO running `"docker" "inspect" "e9b01d51f9647e1c32894b33729e1022c2303cb84ce2e8d4788cca55efd3fd52"`
Dec 18 16:37:29.345 INFO running `"docker" "rm" "-f" "e9b01d51f9647e1c32894b33729e1022c2303cb84ce2e8d4788cca55efd3fd52"`
Dec 18 16:37:29.493 INFO [stdout] e9b01d51f9647e1c32894b33729e1022c2303cb84ce2e8d4788cca55efd3fd52