[INFO] updating cached repository rohanprabhu/hippo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rohanprabhu/hippo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rohanprabhu/hippo" "work/ex/beta-1.38-1/sources/1.37.0/gh/rohanprabhu/hippo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rohanprabhu/hippo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rohanprabhu/hippo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rohanprabhu/hippo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rohanprabhu/hippo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ef9f6408157e146e6d7f380f299b6c24e0763d5
[INFO] sha for GitHub repo rohanprabhu/hippo: 6ef9f6408157e146e6d7f380f299b6c24e0763d5
[INFO] validating manifest of rohanprabhu/hippo 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 rohanprabhu/hippo 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 rohanprabhu/hippo
[INFO] finished frobbing rohanprabhu/hippo
[INFO] frobbed toml for rohanprabhu/hippo written to work/ex/beta-1.38-1/sources/1.37.0/gh/rohanprabhu/hippo/Cargo.toml
[INFO] started frobbing rohanprabhu/hippo
[INFO] finished frobbing rohanprabhu/hippo
[INFO] frobbed toml for rohanprabhu/hippo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rohanprabhu/hippo/Cargo.toml
[INFO] crate rohanprabhu/hippo 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 rohanprabhu/hippo 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/rohanprabhu/hippo:/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] f81596abb190c4bddc162f879a87dc0e4b797dcb0eb3304ceef0aebb3ed75219
[INFO] running `"docker" "start" "-a" "f81596abb190c4bddc162f879a87dc0e4b797dcb0eb3304ceef0aebb3ed75219"`
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling serde v1.0.25
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling getopts v0.2.15
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33
[INFO] [stderr]      |
[INFO] [stderr] 978  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 982  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1033 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1034 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling encode_unicode v0.3.1
[INFO] [stderr]    Compiling colored v1.6.0
[INFO] [stderr]    Compiling serde_derive_internals v0.18.1
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling users v0.5.3
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling pretty-bytes v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling regex v0.2.3
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling prettytable-rs v0.6.7
[INFO] [stderr]    Compiling serde_derive v1.0.25
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.8
[INFO] [stderr]    Compiling hippo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:30:44
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut home_dir = if let Some(path) = env::home_dir() {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0716]: temporary value dropped while borrowed
[INFO] [stderr]   --> src/snap.rs:21:26
[INFO] [stderr]    |
[INFO] [stderr] 21 |     for ref file_path in file_paths {
[INFO] [stderr]    |                          ^^^^^^^^^^ creates a temporary which is freed while still in use
[INFO] [stderr] ...
[INFO] [stderr] 24 |         let mut managed_file = managed_file_journal.create_or_get_managed_file(file_path)?;
[INFO] [stderr]    |                                -------------------- borrow later used here
[INFO] [stderr] 25 |         managed_file.snap_current_state(name.to_owned(), comment.to_owned(), None)?;
[INFO] [stderr] 26 |     }
[INFO] [stderr]    |     - temporary value is freed at the end of this statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using a `let` binding to create a longer lived value
[INFO] [stderr] 
[INFO] [stderr] error[E0499]: cannot borrow `managed_file_journal` as mutable more than once at a time
[INFO] [stderr]   --> src/snap.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let mut managed_file = managed_file_journal.create_or_get_managed_file(file_path)?;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^ mutable borrow starts here in previous iteration of loop
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0499, E0716.
[INFO] [stderr] For more information about an error, try `rustc --explain E0499`.
[INFO] [stderr] error: Could not compile `hippo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f81596abb190c4bddc162f879a87dc0e4b797dcb0eb3304ceef0aebb3ed75219"`
[INFO] running `"docker" "rm" "-f" "f81596abb190c4bddc162f879a87dc0e4b797dcb0eb3304ceef0aebb3ed75219"`
[INFO] [stdout] f81596abb190c4bddc162f879a87dc0e4b797dcb0eb3304ceef0aebb3ed75219