[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-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/est31/cargo-ulint"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/est31/cargo-ulint'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/est31/cargo-ulint" "work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/est31/cargo-ulint"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/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#2bde39b8edce6463e1c37f8a8082a875e7b536b1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of est31/cargo-ulint on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-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-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/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-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/est31/cargo-ulint/Cargo.toml
[INFO] crate est31/cargo-ulint has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking est31/cargo-ulint against try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c for pr-57483
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-4/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/est31/cargo-ulint:/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" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b57098dbbe50eef57179ed81efc51ee55ec9190e62ab3e9bf02c99b59a5a46a5
[INFO] running `"docker" "start" "-a" "b57098dbbe50eef57179ed81efc51ee55ec9190e62ab3e9bf02c99b59a5a46a5"`
[INFO] [stderr]     Checking clap v2.29.0
[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 using `_Options` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Options` should have a snake case name such as `options`
[INFO] [stderr]   --> src/main.rs:16:6
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let Options = Options::from_args();
[INFO] [stderr]    |         ^^^^^^^
[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 using `_Options` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Options` should have a snake case name such as `options`
[INFO] [stderr]   --> src/main.rs:16:6
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let Options = Options::from_args();
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.00s
[INFO] running `"docker" "inspect" "b57098dbbe50eef57179ed81efc51ee55ec9190e62ab3e9bf02c99b59a5a46a5"`
[INFO] running `"docker" "rm" "-f" "b57098dbbe50eef57179ed81efc51ee55ec9190e62ab3e9bf02c99b59a5a46a5"`
[INFO] [stdout] b57098dbbe50eef57179ed81efc51ee55ec9190e62ab3e9bf02c99b59a5a46a5