[INFO] updating cached repository est31/cargo-ulint
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/est31/cargo-ulint
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/est31/cargo-ulint" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/est31/cargo-ulint"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/est31/cargo-ulint'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/est31/cargo-ulint" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/est31/cargo-ulint"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/est31/cargo-ulint'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ffc088ecb632a539e6e66eff7c69f0fb6b7e969b
[INFO] sha for GitHub repo est31/cargo-ulint: ffc088ecb632a539e6e66eff7c69f0fb6b7e969b
[INFO] validating manifest of est31/cargo-ulint on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of est31/cargo-ulint on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing est31/cargo-ulint
[INFO] finished frobbing est31/cargo-ulint
[INFO] frobbed toml for est31/cargo-ulint written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/est31/cargo-ulint/Cargo.toml
[INFO] started frobbing est31/cargo-ulint
[INFO] finished frobbing est31/cargo-ulint
[INFO] frobbed toml for est31/cargo-ulint written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/est31/cargo-ulint/Cargo.toml
[INFO] crate est31/cargo-ulint already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking est31/cargo-ulint against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-2/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/est31/cargo-ulint:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b21e92061b854d00e69293fcaa652f7f757b2271675c3a76ba08d5f9dd219eb5
[INFO] running `"docker" "start" "-a" "b21e92061b854d00e69293fcaa652f7f757b2271675c3a76ba08d5f9dd219eb5"`
[INFO] [stderr]     Checking structopt v0.1.6
[INFO] [stderr]     Checking cargo-ulint v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `Options`
[INFO] [stderr]   --> src/main.rs:16:6
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let Options = Options::from_args();
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_Options`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Options` should have a snake case name
[INFO] [stderr]   --> src/main.rs:16:6
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let Options = Options::from_args();
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `options`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Options`
[INFO] [stderr]   --> src/main.rs:16:6
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let Options = Options::from_args();
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_Options`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Options` should have a snake case name
[INFO] [stderr]   --> src/main.rs:16:6
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let Options = Options::from_args();
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `options`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "b21e92061b854d00e69293fcaa652f7f757b2271675c3a76ba08d5f9dd219eb5"`
[INFO] running `"docker" "rm" "-f" "b21e92061b854d00e69293fcaa652f7f757b2271675c3a76ba08d5f9dd219eb5"`
[INFO] [stdout] b21e92061b854d00e69293fcaa652f7f757b2271675c3a76ba08d5f9dd219eb5