[INFO] updating cached repository rust-nyc/rust.nyc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rust-nyc/rust.nyc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-nyc/rust.nyc" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/rust-nyc/rust.nyc"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/rust-nyc/rust.nyc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-nyc/rust.nyc" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/rust-nyc/rust.nyc"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/rust-nyc/rust.nyc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5886b28c877951fe95b5192349885b8ed0a0dd6d
[INFO] sha for GitHub repo rust-nyc/rust.nyc: 5886b28c877951fe95b5192349885b8ed0a0dd6d
[INFO] validating manifest of rust-nyc/rust.nyc 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 rust-nyc/rust.nyc 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 rust-nyc/rust.nyc
[INFO] finished frobbing rust-nyc/rust.nyc
[INFO] frobbed toml for rust-nyc/rust.nyc written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/rust-nyc/rust.nyc/Cargo.toml
[INFO] started frobbing rust-nyc/rust.nyc
[INFO] finished frobbing rust-nyc/rust.nyc
[INFO] frobbed toml for rust-nyc/rust.nyc written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/rust-nyc/rust.nyc/Cargo.toml
[INFO] crate rust-nyc/rust.nyc 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking rust-nyc/rust.nyc against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-6/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/rust-nyc/rust.nyc:/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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bdc4b8a5e28f757a066d661ac5fe922d91e8324cfe33bceff4528f0125f16ccd
[INFO] running `"docker" "start" "-a" "bdc4b8a5e28f757a066d661ac5fe922d91e8324cfe33bceff4528f0125f16ccd"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking mime v0.2.2
[INFO] [stderr]     Checking hyper v0.10.5
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking rust-nyc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `req_`
[INFO] [stderr]   --> src/main.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn respond(req_: &mut Request) -> Result<Response, IronError> {
[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:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn respond(req_: &mut Request) -> Result<Response, IronError> {
[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 5.88s
[INFO] running `"docker" "inspect" "bdc4b8a5e28f757a066d661ac5fe922d91e8324cfe33bceff4528f0125f16ccd"`
[INFO] running `"docker" "rm" "-f" "bdc4b8a5e28f757a066d661ac5fe922d91e8324cfe33bceff4528f0125f16ccd"`
[INFO] [stdout] bdc4b8a5e28f757a066d661ac5fe922d91e8324cfe33bceff4528f0125f16ccd