[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-1.38-1/sources/1.37.0/gh/mhn1991/quickSort"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mhn1991/quickSort'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mhn1991/quickSort" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mhn1991/quickSort"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mhn1991/quickSort 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 mhn1991/quickSort
[INFO] finished frobbing mhn1991/quickSort
[INFO] frobbed toml for mhn1991/quickSort written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mhn1991/quickSort 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/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4c249de5587c4a990ce6e0e7e3a9869ad1d1d2ffd57c2aa335c126a44f49ef9c
[INFO] running `"docker" "start" "-a" "4c249de5587c4a990ce6e0e7e3a9869ad1d1d2ffd57c2aa335c126a44f49ef9c"`
[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 0.70s
[INFO] running `"docker" "inspect" "4c249de5587c4a990ce6e0e7e3a9869ad1d1d2ffd57c2aa335c126a44f49ef9c"`
[INFO] running `"docker" "rm" "-f" "4c249de5587c4a990ce6e0e7e3a9869ad1d1d2ffd57c2aa335c126a44f49ef9c"`
[INFO] [stdout] 4c249de5587c4a990ce6e0e7e3a9869ad1d1d2ffd57c2aa335c126a44f49ef9c
[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/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 28d5d71456c15c1c7f64c1bd6bd4a215b5479fdb7b8ac1422337dbc0884669db
[INFO] running `"docker" "start" "-a" "28d5d71456c15c1c7f64c1bd6bd4a215b5479fdb7b8ac1422337dbc0884669db"`
[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 0.76s
[INFO] running `"docker" "inspect" "28d5d71456c15c1c7f64c1bd6bd4a215b5479fdb7b8ac1422337dbc0884669db"`
[INFO] running `"docker" "rm" "-f" "28d5d71456c15c1c7f64c1bd6bd4a215b5479fdb7b8ac1422337dbc0884669db"`
[INFO] [stdout] 28d5d71456c15c1c7f64c1bd6bd4a215b5479fdb7b8ac1422337dbc0884669db
[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/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e7e1121d5c85343c02da92471586222d89f92a2df32c72e4131c3273091a395d
[INFO] running `"docker" "start" "-a" "e7e1121d5c85343c02da92471586222d89f92a2df32c72e4131c3273091a395d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/quick_sort-1fa4beae30953454
[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" "e7e1121d5c85343c02da92471586222d89f92a2df32c72e4131c3273091a395d"`
[INFO] running `"docker" "rm" "-f" "e7e1121d5c85343c02da92471586222d89f92a2df32c72e4131c3273091a395d"`
[INFO] [stdout] e7e1121d5c85343c02da92471586222d89f92a2df32c72e4131c3273091a395d