[INFO] updating cached repository hustshawn/rust-iron-demo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hustshawn/rust-iron-demo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hustshawn/rust-iron-demo" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/hustshawn/rust-iron-demo"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/hustshawn/rust-iron-demo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hustshawn/rust-iron-demo" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/hustshawn/rust-iron-demo"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/hustshawn/rust-iron-demo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8f8107108916d5bed8c0b23adb975fb99cd665ed
[INFO] sha for GitHub repo hustshawn/rust-iron-demo: 8f8107108916d5bed8c0b23adb975fb99cd665ed
[INFO] validating manifest of hustshawn/rust-iron-demo on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hustshawn/rust-iron-demo on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hustshawn/rust-iron-demo
[INFO] finished frobbing hustshawn/rust-iron-demo
[INFO] frobbed toml for hustshawn/rust-iron-demo written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/hustshawn/rust-iron-demo/Cargo.toml
[INFO] started frobbing hustshawn/rust-iron-demo
[INFO] finished frobbing hustshawn/rust-iron-demo
[INFO] frobbed toml for hustshawn/rust-iron-demo written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/hustshawn/rust-iron-demo/Cargo.toml
[INFO] crate hustshawn/rust-iron-demo already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hustshawn/rust-iron-demo against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-3/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/hustshawn/rust-iron-demo:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3ec472f65b5fca6fdf19cd3313f98235a6a165da03845c6c30815f08907a81b8
[INFO] running `"docker" "start" "-a" "3ec472f65b5fca6fdf19cd3313f98235a6a165da03845c6c30815f08907a81b8"`
[INFO] [stderr]     Checking hyper v0.10.12
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking router v0.5.1
[INFO] [stderr]     Checking iron-prj v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/main.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stderr]    |            ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/main.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stderr]    |            ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `"docker" "inspect" "3ec472f65b5fca6fdf19cd3313f98235a6a165da03845c6c30815f08907a81b8"`
[INFO] running `"docker" "rm" "-f" "3ec472f65b5fca6fdf19cd3313f98235a6a165da03845c6c30815f08907a81b8"`
[INFO] [stdout] 3ec472f65b5fca6fdf19cd3313f98235a6a165da03845c6c30815f08907a81b8