[INFO] updating cached repository crw5996/Strings
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/crw5996/Strings
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/crw5996/Strings" "work/ex/beta-1.37-6/sources/1.36.0/gh/crw5996/Strings"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/crw5996/Strings'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/crw5996/Strings" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/crw5996/Strings"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/crw5996/Strings'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 972f9dd08ec4d263b1df7a68c7263d9c70bca70d
[INFO] sha for GitHub repo crw5996/Strings: 972f9dd08ec4d263b1df7a68c7263d9c70bca70d
[INFO] validating manifest of crw5996/Strings on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of crw5996/Strings on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing crw5996/Strings
[INFO] finished frobbing crw5996/Strings
[INFO] frobbed toml for crw5996/Strings written to work/ex/beta-1.37-6/sources/1.36.0/gh/crw5996/Strings/Cargo.toml
[INFO] started frobbing crw5996/Strings
[INFO] finished frobbing crw5996/Strings
[INFO] frobbed toml for crw5996/Strings written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/crw5996/Strings/Cargo.toml
[INFO] crate crw5996/Strings already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing crw5996/Strings against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/crw5996/Strings:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 4406ef6340f74949d8a473ccc9206c13df595315bde021a142060b9fce2f25e1
[INFO] running `"docker" "start" "-a" "4406ef6340f74949d8a473ccc9206c13df595315bde021a142060b9fce2f25e1"`
[INFO] [stderr]    Compiling my_strings v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/main.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         Err(file) => panic!("Please Input a Valid File"),
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "4406ef6340f74949d8a473ccc9206c13df595315bde021a142060b9fce2f25e1"`
[INFO] running `"docker" "rm" "-f" "4406ef6340f74949d8a473ccc9206c13df595315bde021a142060b9fce2f25e1"`
[INFO] [stdout] 4406ef6340f74949d8a473ccc9206c13df595315bde021a142060b9fce2f25e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/crw5996/Strings:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 724070e9e72dd179edd7e94c820d8ea32055f5cd97436d242d8b7ab57b8f837e
[INFO] running `"docker" "start" "-a" "724070e9e72dd179edd7e94c820d8ea32055f5cd97436d242d8b7ab57b8f837e"`
[INFO] [stderr]    Compiling my_strings v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/main.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         Err(file) => panic!("Please Input a Valid File"),
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "724070e9e72dd179edd7e94c820d8ea32055f5cd97436d242d8b7ab57b8f837e"`
[INFO] running `"docker" "rm" "-f" "724070e9e72dd179edd7e94c820d8ea32055f5cd97436d242d8b7ab57b8f837e"`
[INFO] [stdout] 724070e9e72dd179edd7e94c820d8ea32055f5cd97436d242d8b7ab57b8f837e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/crw5996/Strings:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] da684ccddb65ef450123bb60c97837d1eeaaa10164688fa9df182745bdbc7329
[INFO] running `"docker" "start" "-a" "da684ccddb65ef450123bb60c97837d1eeaaa10164688fa9df182745bdbc7329"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/my_strings-5361d0d8a1cbe487
[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" "da684ccddb65ef450123bb60c97837d1eeaaa10164688fa9df182745bdbc7329"`
[INFO] running `"docker" "rm" "-f" "da684ccddb65ef450123bb60c97837d1eeaaa10164688fa9df182745bdbc7329"`
[INFO] [stdout] da684ccddb65ef450123bb60c97837d1eeaaa10164688fa9df182745bdbc7329