[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/beta-1.38-1/sources/1.37.0/gh/JRegimbal/luhn-algorithm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/JRegimbal/luhn-algorithm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JRegimbal/luhn-algorithm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JRegimbal/luhn-algorithm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of JRegimbal/luhn-algorithm on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing JRegimbal/luhn-algorithm against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ffa052a2b15ef418c8efd137687dc6e4563cd8f9a9d61a07491975cdcd10e1c4
[INFO] running `"docker" "start" "-a" "ffa052a2b15ef418c8efd137687dc6e4563cd8f9a9d61a07491975cdcd10e1c4"`
[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]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "ffa052a2b15ef418c8efd137687dc6e4563cd8f9a9d61a07491975cdcd10e1c4"`
[INFO] running `"docker" "rm" "-f" "ffa052a2b15ef418c8efd137687dc6e4563cd8f9a9d61a07491975cdcd10e1c4"`
[INFO] [stdout] ffa052a2b15ef418c8efd137687dc6e4563cd8f9a9d61a07491975cdcd10e1c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1a3bf74793ac77f8eb414fad3e97cc4cb71efd503845779611cfc2afe8a3771e
[INFO] running `"docker" "start" "-a" "1a3bf74793ac77f8eb414fad3e97cc4cb71efd503845779611cfc2afe8a3771e"`
[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]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "1a3bf74793ac77f8eb414fad3e97cc4cb71efd503845779611cfc2afe8a3771e"`
[INFO] running `"docker" "rm" "-f" "1a3bf74793ac77f8eb414fad3e97cc4cb71efd503845779611cfc2afe8a3771e"`
[INFO] [stdout] 1a3bf74793ac77f8eb414fad3e97cc4cb71efd503845779611cfc2afe8a3771e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 188bc36182516d9b69475888c8ee895cfedea841db6192c3a41351bd50b44ce4
[INFO] running `"docker" "start" "-a" "188bc36182516d9b69475888c8ee895cfedea841db6192c3a41351bd50b44ce4"`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/luhn-afd7f6bd8f3e6e20
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/luhn_check-15c6f70f2bb255a5
[INFO] [stderr]      Running /opt/crater/target/debug/deps/luhn_test-1ec85b89bbff095e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test checksum ... ok
[INFO] [stderr]    Doc-tests luhn
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "188bc36182516d9b69475888c8ee895cfedea841db6192c3a41351bd50b44ce4"`
[INFO] running `"docker" "rm" "-f" "188bc36182516d9b69475888c8ee895cfedea841db6192c3a41351bd50b44ce4"`
[INFO] [stdout] 188bc36182516d9b69475888c8ee895cfedea841db6192c3a41351bd50b44ce4