[INFO] crate express 0.0.2 is already in cache
[INFO] extracting crate express 0.0.2 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/express/0.0.2
[INFO] extracting crate express 0.0.2 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/express/0.0.2
[INFO] validating manifest of express-0.0.2 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of express-0.0.2 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing express-0.0.2
[INFO] finished frobbing express-0.0.2
[INFO] frobbed toml for express-0.0.2 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/express/0.0.2/Cargo.toml
[INFO] started frobbing express-0.0.2
[INFO] finished frobbing express-0.0.2
[INFO] frobbed toml for express-0.0.2 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/express/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing express-0.0.2 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 013e25b81ffa7f847008780b4007aaee23ea165fa68720270bb4edac03c45d40
[INFO] running `"docker" "start" "-a" "013e25b81ffa7f847008780b4007aaee23ea165fa68720270bb4edac03c45d40"`
[INFO] [stderr]    Compiling express v0.0.2 (/opt/crater/workdir)
[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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: `use`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "013e25b81ffa7f847008780b4007aaee23ea165fa68720270bb4edac03c45d40"`
[INFO] running `"docker" "rm" "-f" "013e25b81ffa7f847008780b4007aaee23ea165fa68720270bb4edac03c45d40"`
[INFO] [stdout] 013e25b81ffa7f847008780b4007aaee23ea165fa68720270bb4edac03c45d40
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5331d4fd4a7621268801cb88f5b59c5b3ce42b97e561825cb2277045a5e05904
[INFO] running `"docker" "start" "-a" "5331d4fd4a7621268801cb88f5b59c5b3ce42b97e561825cb2277045a5e05904"`
[INFO] [stderr]    Compiling express v0.0.2 (/opt/crater/workdir)
[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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: `use`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "5331d4fd4a7621268801cb88f5b59c5b3ce42b97e561825cb2277045a5e05904"`
[INFO] running `"docker" "rm" "-f" "5331d4fd4a7621268801cb88f5b59c5b3ce42b97e561825cb2277045a5e05904"`
[INFO] [stdout] 5331d4fd4a7621268801cb88f5b59c5b3ce42b97e561825cb2277045a5e05904
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 7b2ffd2ba48f8047ad2a90310a62f9dd082d39c082d7ba9bb0aaaa412490224c
[INFO] running `"docker" "start" "-a" "7b2ffd2ba48f8047ad2a90310a62f9dd082d39c082d7ba9bb0aaaa412490224c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/express-a3ff61401aad0867
[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] [stderr]    Doc-tests express
[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 `"docker" "inspect" "7b2ffd2ba48f8047ad2a90310a62f9dd082d39c082d7ba9bb0aaaa412490224c"`
[INFO] running `"docker" "rm" "-f" "7b2ffd2ba48f8047ad2a90310a62f9dd082d39c082d7ba9bb0aaaa412490224c"`
[INFO] [stdout] 7b2ffd2ba48f8047ad2a90310a62f9dd082d39c082d7ba9bb0aaaa412490224c