[INFO] updating cached repository mhn1991/quickSort
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mhn1991/quickSort
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mhn1991/quickSort" "work/ex/beta-1.37-6/sources/1.36.0/gh/mhn1991/quickSort"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mhn1991/quickSort'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mhn1991/quickSort" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mhn1991/quickSort"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mhn1991/quickSort'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6be97c12c127b0dca7f5785772974051fc8ca877
[INFO] sha for GitHub repo mhn1991/quickSort: 6be97c12c127b0dca7f5785772974051fc8ca877
[INFO] validating manifest of mhn1991/quickSort 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 mhn1991/quickSort 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 mhn1991/quickSort
[INFO] finished frobbing mhn1991/quickSort
[INFO] frobbed toml for mhn1991/quickSort written to work/ex/beta-1.37-6/sources/1.36.0/gh/mhn1991/quickSort/Cargo.toml
[INFO] started frobbing mhn1991/quickSort
[INFO] finished frobbing mhn1991/quickSort
[INFO] frobbed toml for mhn1991/quickSort written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mhn1991/quickSort/Cargo.toml
[INFO] crate mhn1991/quickSort 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 mhn1991/quickSort 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-4/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/mhn1991/quickSort:/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] 7229bacab8807a9bb422f34f306f4e3e2ebe0204cd9c17a3a8f0c18a708d6528
[INFO] running `"docker" "start" "-a" "7229bacab8807a9bb422f34f306f4e3e2ebe0204cd9c17a3a8f0c18a708d6528"`
[INFO] [stderr]    Compiling quick_sort v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/sortpointer.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn clone(&self)->Self{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 44 |         self.clone()
[INFO] [stderr]    |         ------------ recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unconditional_recursion)] on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clone`
[INFO] [stderr]   --> src/sortpointer.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn clone(&self)->Self{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "7229bacab8807a9bb422f34f306f4e3e2ebe0204cd9c17a3a8f0c18a708d6528"`
[INFO] running `"docker" "rm" "-f" "7229bacab8807a9bb422f34f306f4e3e2ebe0204cd9c17a3a8f0c18a708d6528"`
[INFO] [stdout] 7229bacab8807a9bb422f34f306f4e3e2ebe0204cd9c17a3a8f0c18a708d6528
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/mhn1991/quickSort:/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] f9d68fa7543cab6be13684db7b1c08a93e236bb72fd6d6a03bf89d1604acde49
[INFO] running `"docker" "start" "-a" "f9d68fa7543cab6be13684db7b1c08a93e236bb72fd6d6a03bf89d1604acde49"`
[INFO] [stderr]    Compiling quick_sort v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/sortpointer.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn clone(&self)->Self{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 44 |         self.clone()
[INFO] [stderr]    |         ------------ recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unconditional_recursion)] on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clone`
[INFO] [stderr]   --> src/sortpointer.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn clone(&self)->Self{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "f9d68fa7543cab6be13684db7b1c08a93e236bb72fd6d6a03bf89d1604acde49"`
[INFO] running `"docker" "rm" "-f" "f9d68fa7543cab6be13684db7b1c08a93e236bb72fd6d6a03bf89d1604acde49"`
[INFO] [stdout] f9d68fa7543cab6be13684db7b1c08a93e236bb72fd6d6a03bf89d1604acde49
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/mhn1991/quickSort:/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] e165bcb31ae12c6aff6d5c9f8470aca91d9c314a17709efb437c27fbe2d4d44d
[INFO] running `"docker" "start" "-a" "e165bcb31ae12c6aff6d5c9f8470aca91d9c314a17709efb437c27fbe2d4d44d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/quick_sort-dbd136cb30903526
[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" "e165bcb31ae12c6aff6d5c9f8470aca91d9c314a17709efb437c27fbe2d4d44d"`
[INFO] running `"docker" "rm" "-f" "e165bcb31ae12c6aff6d5c9f8470aca91d9c314a17709efb437c27fbe2d4d44d"`
[INFO] [stdout] e165bcb31ae12c6aff6d5c9f8470aca91d9c314a17709efb437c27fbe2d4d44d