[INFO] fetching crate express 0.0.2...
[INFO] checking express-0.0.2 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate express 0.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate express 0.0.2 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb3940e40bf3415b7249fa9ad64519663a41c942293db764d39915a729ca629c
[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" "cb3940e40bf3415b7249fa9ad64519663a41c942293db764d39915a729ca629c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb3940e40bf3415b7249fa9ad64519663a41c942293db764d39915a729ca629c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb3940e40bf3415b7249fa9ad64519663a41c942293db764d39915a729ca629c", kill_on_drop: false }`
[INFO] [stdout] cb3940e40bf3415b7249fa9ad64519663a41c942293db764d39915a729ca629c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 202fba48e01dbb2e9b321ec8b2fc5a961a236e3a08649fb32b9e5105a6dee18b
[INFO] running `Command { std: "docker" "start" "-a" "202fba48e01dbb2e9b321ec8b2fc5a961a236e3a08649fb32b9e5105a6dee18b", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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: 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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "202fba48e01dbb2e9b321ec8b2fc5a961a236e3a08649fb32b9e5105a6dee18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "202fba48e01dbb2e9b321ec8b2fc5a961a236e3a08649fb32b9e5105a6dee18b", kill_on_drop: false }`
[INFO] [stdout] 202fba48e01dbb2e9b321ec8b2fc5a961a236e3a08649fb32b9e5105a6dee18b