[INFO] cloning repository https://github.com/mhn1991/quickSort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mhn1991/quickSort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhn1991%2FquickSort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhn1991%2FquickSort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6be97c12c127b0dca7f5785772974051fc8ca877
[INFO] testing mhn1991/quickSort against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhn1991%2FquickSort" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mhn1991/quickSort on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mhn1991/quickSort
[INFO] finished tweaking git repo https://github.com/mhn1991/quickSort
[INFO] tweaked toml for git repo https://github.com/mhn1991/quickSort written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mhn1991/quickSort already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 502797f4b58c04de3098db768ff3abbb0f1416bd4281d343876001de026b8559
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "502797f4b58c04de3098db768ff3abbb0f1416bd4281d343876001de026b8559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "502797f4b58c04de3098db768ff3abbb0f1416bd4281d343876001de026b8559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502797f4b58c04de3098db768ff3abbb0f1416bd4281d343876001de026b8559", kill_on_drop: false }`
[INFO] [stdout] 502797f4b58c04de3098db768ff3abbb0f1416bd4281d343876001de026b8559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cb634d7e6282f400ac4ba9575b7f4c6101ffbf98c3cbb16f24698d28d61b4539
[INFO] running `Command { std: "docker" "start" "-a" "cb634d7e6282f400ac4ba9575b7f4c6101ffbf98c3cbb16f24698d28d61b4539", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick_sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/sortpointer.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn clone(&self)->Self{
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 44 |         self.clone()
[INFO] [stdout]    |         ------------ recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clone`
[INFO] [stdout]   --> src/sortpointer.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn clone(&self)->Self{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "cb634d7e6282f400ac4ba9575b7f4c6101ffbf98c3cbb16f24698d28d61b4539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb634d7e6282f400ac4ba9575b7f4c6101ffbf98c3cbb16f24698d28d61b4539", kill_on_drop: false }`
[INFO] [stdout] cb634d7e6282f400ac4ba9575b7f4c6101ffbf98c3cbb16f24698d28d61b4539
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77c03ab5188743dc2d580876f97b78e988bbe9dc7add01fb513280e68b70bf89
[INFO] running `Command { std: "docker" "start" "-a" "77c03ab5188743dc2d580876f97b78e988bbe9dc7add01fb513280e68b70bf89", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick_sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/sortpointer.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn clone(&self)->Self{
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 44 |         self.clone()
[INFO] [stdout]    |         ------------ recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clone`
[INFO] [stdout]   --> src/sortpointer.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn clone(&self)->Self{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "77c03ab5188743dc2d580876f97b78e988bbe9dc7add01fb513280e68b70bf89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c03ab5188743dc2d580876f97b78e988bbe9dc7add01fb513280e68b70bf89", kill_on_drop: false }`
[INFO] [stdout] 77c03ab5188743dc2d580876f97b78e988bbe9dc7add01fb513280e68b70bf89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db39b50a48de6406014417490aec792544951dfcd46d05c23e7341db6197d585
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "db39b50a48de6406014417490aec792544951dfcd46d05c23e7341db6197d585", kill_on_drop: false }`
[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: associated function is never used: `clone`
[INFO] [stderr]   --> src/sortpointer.rs:43:12
[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] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/quick_sort-d88764aafeeacdd2
[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 `Command { std: "docker" "inspect" "db39b50a48de6406014417490aec792544951dfcd46d05c23e7341db6197d585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db39b50a48de6406014417490aec792544951dfcd46d05c23e7341db6197d585", kill_on_drop: false }`
[INFO] [stdout] db39b50a48de6406014417490aec792544951dfcd46d05c23e7341db6197d585