[INFO] fetching crate express 0.0.2...
[INFO] testing express-0.0.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate express 0.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate express 0.0.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate express 0.0.2
[INFO] finished tweaking crates.io crate express 0.0.2
[INFO] tweaked toml for crates.io crate express 0.0.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1f8d56b1703d19c2454094e9b756b94201a3c242e93887eb84fe1fdb542d17c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f1f8d56b1703d19c2454094e9b756b94201a3c242e93887eb84fe1fdb542d17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1f8d56b1703d19c2454094e9b756b94201a3c242e93887eb84fe1fdb542d17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f8d56b1703d19c2454094e9b756b94201a3c242e93887eb84fe1fdb542d17c", kill_on_drop: false }`
[INFO] [stdout] f1f8d56b1703d19c2454094e9b756b94201a3c242e93887eb84fe1fdb542d17c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7388f018801133d1bba1d86262ab297d336f77cfb95328e4736b948f6346f15
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c7388f018801133d1bba1d86262ab297d336f77cfb95328e4736b948f6346f15", kill_on_drop: false }`
[INFO] [stderr]    Compiling express v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> src/express.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn listen(port: String) -> () {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/router/router.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/router/router.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]   --> src/router/router.rs:18:41
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]  --> src/middleware.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]   |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]  --> src/middleware.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]   |                            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]  --> src/middleware.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]   |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Use` should have a snake case name
[INFO] [stdout]   --> src/express.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn Use() -> () {}
[INFO] [stdout]    |            ^^^ help: convert the identifier to snake case (notice the capitalization): `use`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "c7388f018801133d1bba1d86262ab297d336f77cfb95328e4736b948f6346f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7388f018801133d1bba1d86262ab297d336f77cfb95328e4736b948f6346f15", kill_on_drop: false }`
[INFO] [stdout] c7388f018801133d1bba1d86262ab297d336f77cfb95328e4736b948f6346f15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84c348c1b92ec7e88be5d29fcdf3d278ddd723a513f35637a2be432af394ee56
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "84c348c1b92ec7e88be5d29fcdf3d278ddd723a513f35637a2be432af394ee56", kill_on_drop: false }`
[INFO] [stderr]    Compiling express v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> src/express.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn listen(port: String) -> () {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/router/router.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/router/router.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]   --> src/router/router.rs:18:41
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]  --> src/middleware.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]   |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]  --> src/middleware.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]   |                            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]  --> src/middleware.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]   |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Use` should have a snake case name
[INFO] [stdout]   --> src/express.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn Use() -> () {}
[INFO] [stdout]    |            ^^^ help: convert the identifier to snake case (notice the capitalization): `use`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> src/express.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn listen(port: String) -> () {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/router/router.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/router/router.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]   --> src/router/router.rs:18:41
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]  --> src/middleware.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]   |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]  --> src/middleware.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]   |                            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]  --> src/middleware.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stdout]   |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Use` should have a snake case name
[INFO] [stdout]   --> src/express.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn Use() -> () {}
[INFO] [stdout]    |            ^^^ help: convert the identifier to snake case (notice the capitalization): `use`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "84c348c1b92ec7e88be5d29fcdf3d278ddd723a513f35637a2be432af394ee56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c348c1b92ec7e88be5d29fcdf3d278ddd723a513f35637a2be432af394ee56", kill_on_drop: false }`
[INFO] [stdout] 84c348c1b92ec7e88be5d29fcdf3d278ddd723a513f35637a2be432af394ee56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f39d840e63bcc506c6e9c6552cec7bf4acdff3137a40425b8f8b5465bb442eef
[INFO] running `Command { std: "docker" "start" "-a" "f39d840e63bcc506c6e9c6552cec7bf4acdff3137a40425b8f8b5465bb442eef", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `port`
[INFO] [stderr]   --> src/express.rs:26:19
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn listen(port: String) -> () {
[INFO] [stderr]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/router/router.rs:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stderr]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/router/router.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stderr]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `next`
[INFO] [stderr]   --> src/router/router.rs:18:41
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stderr]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]  --> src/middleware.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stderr]   |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]  --> src/middleware.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stderr]   |                            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `next`
[INFO] [stderr]  --> src/middleware.rs:4:41
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stderr]   |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stderr] 
[INFO] [stderr] warning: method `Use` should have a snake case name
[INFO] [stderr]   --> src/express.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn Use() -> () {}
[INFO] [stderr]    |            ^^^ help: convert the identifier to snake case (notice the capitalization): `use`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `port`
[INFO] [stderr]   --> src/express.rs:26:19
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn listen(port: String) -> () {
[INFO] [stderr]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/router/router.rs:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stderr]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/router/router.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stderr]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `next`
[INFO] [stderr]   --> src/router/router.rs:18:41
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stderr]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]  --> src/middleware.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stderr]   |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]  --> src/middleware.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stderr]   |                            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `next`
[INFO] [stderr]  --> src/middleware.rs:4:41
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn invoke(res: String, req: String, next: String) {}
[INFO] [stderr]   |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stderr] 
[INFO] [stderr] warning: method `Use` should have a snake case name
[INFO] [stderr]   --> src/express.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn Use() -> () {}
[INFO] [stderr]    |            ^^^ help: convert the identifier to snake case (notice the capitalization): `use`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/express-ce658f60109222b7
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests express
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f39d840e63bcc506c6e9c6552cec7bf4acdff3137a40425b8f8b5465bb442eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39d840e63bcc506c6e9c6552cec7bf4acdff3137a40425b8f8b5465bb442eef", kill_on_drop: false }`
[INFO] [stdout] f39d840e63bcc506c6e9c6552cec7bf4acdff3137a40425b8f8b5465bb442eef