[INFO] updating cached repository koenigdavidmj/gimme
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/koenigdavidmj/gimme
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/koenigdavidmj/gimme" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/koenigdavidmj/gimme"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/koenigdavidmj/gimme'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/koenigdavidmj/gimme" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/koenigdavidmj/gimme"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/koenigdavidmj/gimme'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 00a444610b8143df2abff4bb7f549d30cbc1c83b
[INFO] sha for GitHub repo koenigdavidmj/gimme: 00a444610b8143df2abff4bb7f549d30cbc1c83b
[INFO] validating manifest of koenigdavidmj/gimme on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of koenigdavidmj/gimme on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing koenigdavidmj/gimme
[INFO] finished frobbing koenigdavidmj/gimme
[INFO] frobbed toml for koenigdavidmj/gimme written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/koenigdavidmj/gimme/Cargo.toml
[INFO] started frobbing koenigdavidmj/gimme
[INFO] finished frobbing koenigdavidmj/gimme
[INFO] frobbed toml for koenigdavidmj/gimme written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/koenigdavidmj/gimme/Cargo.toml
[INFO] crate koenigdavidmj/gimme already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/koenigdavidmj/gimme/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking koenigdavidmj/gimme against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-6/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/koenigdavidmj/gimme:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c42a8218254c3e5eb544982bd07d4a10e685dfbc98cdd7b0c3f2399d9d1d3b7d
[INFO] running `"docker" "start" "-a" "c42a8218254c3e5eb544982bd07d4a10e685dfbc98cdd7b0c3f2399d9d1d3b7d"`
[INFO] [stderr]     Checking gimme v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let args: Args = docopt::Docopt::new(USAGE)
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let args: Args = docopt::Docopt::new(USAGE)
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     visit_dirs(Path::new("."), &callback);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     visit_dirs(Path::new("."), &callback);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "c42a8218254c3e5eb544982bd07d4a10e685dfbc98cdd7b0c3f2399d9d1d3b7d"`
[INFO] running `"docker" "rm" "-f" "c42a8218254c3e5eb544982bd07d4a10e685dfbc98cdd7b0c3f2399d9d1d3b7d"`
[INFO] [stdout] c42a8218254c3e5eb544982bd07d4a10e685dfbc98cdd7b0c3f2399d9d1d3b7d