[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] checking mhn1991/quickSort against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhn1991%2FquickSort" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mhn1991/quickSort on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", 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] 3285b5f153112949c39840347922bcfb8ab9c9d5b10da07bf0f664cf5738bc03
[INFO] running `Command { std: "docker" "start" "-a" "3285b5f153112949c39840347922bcfb8ab9c9d5b10da07bf0f664cf5738bc03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3285b5f153112949c39840347922bcfb8ab9c9d5b10da07bf0f664cf5738bc03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3285b5f153112949c39840347922bcfb8ab9c9d5b10da07bf0f664cf5738bc03", kill_on_drop: false }`
[INFO] [stdout] 3285b5f153112949c39840347922bcfb8ab9c9d5b10da07bf0f664cf5738bc03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1df1ed429158e008ae5504d82d77c21a17e02c0bc77afcd4f963f91b6a31b3c1
[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" "1df1ed429158e008ae5504d82d77c21a17e02c0bc77afcd4f963f91b6a31b3c1", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "1df1ed429158e008ae5504d82d77c21a17e02c0bc77afcd4f963f91b6a31b3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df1ed429158e008ae5504d82d77c21a17e02c0bc77afcd4f963f91b6a31b3c1", kill_on_drop: false }`
[INFO] [stdout] 1df1ed429158e008ae5504d82d77c21a17e02c0bc77afcd4f963f91b6a31b3c1