[INFO] updating cached repository shashkambh/timer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shashkambh/timer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shashkambh/timer" "work/ex/beta-1.37-6/sources/1.36.0/gh/shashkambh/timer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/shashkambh/timer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shashkambh/timer" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shashkambh/timer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shashkambh/timer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e47148e298deb9da2619fe66b8f31500c1af6448
[INFO] sha for GitHub repo shashkambh/timer: e47148e298deb9da2619fe66b8f31500c1af6448
[INFO] validating manifest of shashkambh/timer 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 shashkambh/timer 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 shashkambh/timer
[INFO] finished frobbing shashkambh/timer
[INFO] frobbed toml for shashkambh/timer written to work/ex/beta-1.37-6/sources/1.36.0/gh/shashkambh/timer/Cargo.toml
[INFO] started frobbing shashkambh/timer
[INFO] finished frobbing shashkambh/timer
[INFO] frobbed toml for shashkambh/timer written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shashkambh/timer/Cargo.toml
[INFO] crate shashkambh/timer 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 shashkambh/timer 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-0/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/shashkambh/timer:/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] 7a54e30434fe5471878a6b8e1a41466d135c9f8e8ac24675248053f4a18fb0a3
[INFO] running `"docker" "start" "-a" "7a54e30434fe5471878a6b8e1a41466d135c9f8e8ac24675248053f4a18fb0a3"`
[INFO] [stderr]    Compiling getopts v0.2.15
[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 timer 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:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     env::home_dir()
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `"docker" "inspect" "7a54e30434fe5471878a6b8e1a41466d135c9f8e8ac24675248053f4a18fb0a3"`
[INFO] running `"docker" "rm" "-f" "7a54e30434fe5471878a6b8e1a41466d135c9f8e8ac24675248053f4a18fb0a3"`
[INFO] [stdout] 7a54e30434fe5471878a6b8e1a41466d135c9f8e8ac24675248053f4a18fb0a3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/shashkambh/timer:/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] f08e78f6d484c5d176402c0af64ddca1597475fe19c2101445126f81a98a936a
[INFO] running `"docker" "start" "-a" "f08e78f6d484c5d176402c0af64ddca1597475fe19c2101445126f81a98a936a"`
[INFO] [stderr]    Compiling timer 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:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     env::home_dir()
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "f08e78f6d484c5d176402c0af64ddca1597475fe19c2101445126f81a98a936a"`
[INFO] running `"docker" "rm" "-f" "f08e78f6d484c5d176402c0af64ddca1597475fe19c2101445126f81a98a936a"`
[INFO] [stdout] f08e78f6d484c5d176402c0af64ddca1597475fe19c2101445126f81a98a936a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/shashkambh/timer:/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] 0e0ec0d1bc0b844a2183b80d533b47d225101f49d5f42a5c6086841b89a759b4
[INFO] running `"docker" "start" "-a" "0e0ec0d1bc0b844a2183b80d533b47d225101f49d5f42a5c6086841b89a759b4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/timer-8ba4c79687b5d422
[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" "0e0ec0d1bc0b844a2183b80d533b47d225101f49d5f42a5c6086841b89a759b4"`
[INFO] running `"docker" "rm" "-f" "0e0ec0d1bc0b844a2183b80d533b47d225101f49d5f42a5c6086841b89a759b4"`
[INFO] [stdout] 0e0ec0d1bc0b844a2183b80d533b47d225101f49d5f42a5c6086841b89a759b4