[INFO] updating cached repository JRegimbal/luhn-algorithm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JRegimbal/luhn-algorithm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JRegimbal/luhn-algorithm" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/JRegimbal/luhn-algorithm"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/JRegimbal/luhn-algorithm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JRegimbal/luhn-algorithm" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/JRegimbal/luhn-algorithm"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/JRegimbal/luhn-algorithm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9ec7c175e18f72c9a8966794afdfe2d1792112d8
[INFO] sha for GitHub repo JRegimbal/luhn-algorithm: 9ec7c175e18f72c9a8966794afdfe2d1792112d8
[INFO] validating manifest of JRegimbal/luhn-algorithm 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 JRegimbal/luhn-algorithm 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 JRegimbal/luhn-algorithm
[INFO] finished frobbing JRegimbal/luhn-algorithm
[INFO] frobbed toml for JRegimbal/luhn-algorithm written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/JRegimbal/luhn-algorithm/Cargo.toml
[INFO] started frobbing JRegimbal/luhn-algorithm
[INFO] finished frobbing JRegimbal/luhn-algorithm
[INFO] frobbed toml for JRegimbal/luhn-algorithm written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/JRegimbal/luhn-algorithm/Cargo.toml
[INFO] crate JRegimbal/luhn-algorithm 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking JRegimbal/luhn-algorithm against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/JRegimbal/luhn-algorithm:/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] d1b5709e1fe7e34448d307a8ea56eee7e79161cec955e22b6c107e1337dba073
[INFO] running `"docker" "start" "-a" "d1b5709e1fe7e34448d307a8ea56eee7e79161cec955e22b6c107e1337dba073"`
[INFO] [stderr] warning: path `/opt/crater/workdir/src/luhn.rs` was erroneously implicitly accepted for library `luhn`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]     Checking luhn_check v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `luhn_valid`
[INFO] [stderr]   --> src/luhn.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn luhn_valid(raw_input: &String) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `luhn_valid`
[INFO] [stderr]   --> src/luhn.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn luhn_valid(raw_input: &String) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "d1b5709e1fe7e34448d307a8ea56eee7e79161cec955e22b6c107e1337dba073"`
[INFO] running `"docker" "rm" "-f" "d1b5709e1fe7e34448d307a8ea56eee7e79161cec955e22b6c107e1337dba073"`
[INFO] [stdout] d1b5709e1fe7e34448d307a8ea56eee7e79161cec955e22b6c107e1337dba073