[INFO] updating cached repository leomwilson/path
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/leomwilson/path
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/leomwilson/path" "work/ex/beta-1.38-1/sources/1.37.0/gh/leomwilson/path"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/leomwilson/path'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/leomwilson/path" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leomwilson/path"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leomwilson/path'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4d0a975eb16072855a3eac4f5d2ff42fa8b3f4a7
[INFO] sha for GitHub repo leomwilson/path: 4d0a975eb16072855a3eac4f5d2ff42fa8b3f4a7
[INFO] validating manifest of leomwilson/path 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 leomwilson/path 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 leomwilson/path
[INFO] finished frobbing leomwilson/path
[INFO] frobbed toml for leomwilson/path written to work/ex/beta-1.38-1/sources/1.37.0/gh/leomwilson/path/Cargo.toml
[INFO] started frobbing leomwilson/path
[INFO] finished frobbing leomwilson/path
[INFO] frobbed toml for leomwilson/path written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leomwilson/path/Cargo.toml
[INFO] crate leomwilson/path 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 leomwilson/path 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/leomwilson/path:/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] 73396f329318d5a110d0b7375c6635bebbda63b0e453eea87afa4c2d3db15c1b
[INFO] running `"docker" "start" "-a" "73396f329318d5a110d0b7375c6635bebbda63b0e453eea87afa4c2d3db15c1b"`
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling path v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]  --> src/main.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 |     if let Some(path) = matches.value_of("PATH") {
[INFO] [stderr]   |                 ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0716]: temporary value dropped while borrowed
[INFO] [stderr]  --> src/main.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let matches = App::from_yaml(load_yaml!("cli.yml")).get_matches();
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^^^^^^               - temporary value is freed at the end of this statement
[INFO] [stderr]   |                                  |
[INFO] [stderr]   |                                  creates a temporary which is freed while still in use
[INFO] [stderr] 7 |     if let Some(path) = matches.value_of("PATH") {
[INFO] [stderr]   |                         ------- borrow later used here
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider using a `let` binding to create a longer lived value
[INFO] [stderr]   = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0716`.
[INFO] [stderr] error: Could not compile `path`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "73396f329318d5a110d0b7375c6635bebbda63b0e453eea87afa4c2d3db15c1b"`
[INFO] running `"docker" "rm" "-f" "73396f329318d5a110d0b7375c6635bebbda63b0e453eea87afa4c2d3db15c1b"`
[INFO] [stdout] 73396f329318d5a110d0b7375c6635bebbda63b0e453eea87afa4c2d3db15c1b