[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 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 610ed0dd4193e8a879ab7aba34d601b470fdeec0ccdf9377763f17ad9671d8ac
[INFO] running `"docker" "start" "-a" "610ed0dd4193e8a879ab7aba34d601b470fdeec0ccdf9377763f17ad9671d8ac"`
[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 0.92s
[INFO] running `"docker" "inspect" "610ed0dd4193e8a879ab7aba34d601b470fdeec0ccdf9377763f17ad9671d8ac"`
[INFO] running `"docker" "rm" "-f" "610ed0dd4193e8a879ab7aba34d601b470fdeec0ccdf9377763f17ad9671d8ac"`
[INFO] [stdout] 610ed0dd4193e8a879ab7aba34d601b470fdeec0ccdf9377763f17ad9671d8ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 21ebe60238cb9efa28f914935bb30523a76019658d734b54e03d175712469e2a
[INFO] running `"docker" "start" "-a" "21ebe60238cb9efa28f914935bb30523a76019658d734b54e03d175712469e2a"`
[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 0.80s
[INFO] running `"docker" "inspect" "21ebe60238cb9efa28f914935bb30523a76019658d734b54e03d175712469e2a"`
[INFO] running `"docker" "rm" "-f" "21ebe60238cb9efa28f914935bb30523a76019658d734b54e03d175712469e2a"`
[INFO] [stdout] 21ebe60238cb9efa28f914935bb30523a76019658d734b54e03d175712469e2a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 01fecbfacd42282bc604be7be3aabb7221e7c2e0bfdc8219dd9c236c5a012d3a
[INFO] running `"docker" "start" "-a" "01fecbfacd42282bc604be7be3aabb7221e7c2e0bfdc8219dd9c236c5a012d3a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/my_strings-356cf31538456f3f
[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" "01fecbfacd42282bc604be7be3aabb7221e7c2e0bfdc8219dd9c236c5a012d3a"`
[INFO] running `"docker" "rm" "-f" "01fecbfacd42282bc604be7be3aabb7221e7c2e0bfdc8219dd9c236c5a012d3a"`
[INFO] [stdout] 01fecbfacd42282bc604be7be3aabb7221e7c2e0bfdc8219dd9c236c5a012d3a