[INFO] fetching crate express 0.0.2...
[INFO] checking express-0.0.2 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate express 0.0.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate express 0.0.2 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", 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] 97fecd745e0b96af32b89ebe98913cf1280aaad6eae7a4a3eb95d66385046ae9
[INFO] running `Command { std: "docker" "start" "-a" "97fecd745e0b96af32b89ebe98913cf1280aaad6eae7a4a3eb95d66385046ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97fecd745e0b96af32b89ebe98913cf1280aaad6eae7a4a3eb95d66385046ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97fecd745e0b96af32b89ebe98913cf1280aaad6eae7a4a3eb95d66385046ae9", kill_on_drop: false }`
[INFO] [stdout] 97fecd745e0b96af32b89ebe98913cf1280aaad6eae7a4a3eb95d66385046ae9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 801904465d568d5c1619c403d7448fe587c6a5f67efa8327ee2436b03baf713f
[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" "801904465d568d5c1619c403d7448fe587c6a5f67efa8327ee2436b03baf713f", 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: `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: `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: `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/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: `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/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: `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]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] help: rename the identifier or convert it to a snake case raw identifier
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn r#use() -> () {}
[INFO] [stdout]    |            ^^^^^
[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]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] help: rename the identifier or convert it to a snake case raw identifier
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn r#use() -> () {}
[INFO] [stdout]    |            ^^^^^
[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 0.12s
[INFO] running `Command { std: "docker" "inspect" "801904465d568d5c1619c403d7448fe587c6a5f67efa8327ee2436b03baf713f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "801904465d568d5c1619c403d7448fe587c6a5f67efa8327ee2436b03baf713f", kill_on_drop: false }`
[INFO] [stdout] 801904465d568d5c1619c403d7448fe587c6a5f67efa8327ee2436b03baf713f