[INFO] fetching crate express 0.0.2...
[INFO] checking express-0.0.2 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[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 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33a3bf7baf0ef97d7a76791e3055b959265a3d6185a092b2d1cfec8c8db7f1b1
[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" "33a3bf7baf0ef97d7a76791e3055b959265a3d6185a092b2d1cfec8c8db7f1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33a3bf7baf0ef97d7a76791e3055b959265a3d6185a092b2d1cfec8c8db7f1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a3bf7baf0ef97d7a76791e3055b959265a3d6185a092b2d1cfec8c8db7f1b1", kill_on_drop: false }`
[INFO] [stdout] 33a3bf7baf0ef97d7a76791e3055b959265a3d6185a092b2d1cfec8c8db7f1b1
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1395f2d391e3fcc4ad3f41e6d5356728d8e5dba7d736603e08a530c2daedb74
[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" "b1395f2d391e3fcc4ad3f41e6d5356728d8e5dba7d736603e08a530c2daedb74", 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 0.13s
[INFO] running `Command { std: "docker" "inspect" "b1395f2d391e3fcc4ad3f41e6d5356728d8e5dba7d736603e08a530c2daedb74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1395f2d391e3fcc4ad3f41e6d5356728d8e5dba7d736603e08a530c2daedb74", kill_on_drop: false }`
[INFO] [stdout] b1395f2d391e3fcc4ad3f41e6d5356728d8e5dba7d736603e08a530c2daedb74