[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 master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhn1991%2FquickSort" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mhn1991/quickSort on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-7/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 49da474ae4285e9d793ab67f2660b0b1b5a9470a0a5e9b3119f080ec86760927 [INFO] running `Command { std: "docker" "start" "-a" "49da474ae4285e9d793ab67f2660b0b1b5a9470a0a5e9b3119f080ec86760927", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49da474ae4285e9d793ab67f2660b0b1b5a9470a0a5e9b3119f080ec86760927", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49da474ae4285e9d793ab67f2660b0b1b5a9470a0a5e9b3119f080ec86760927", kill_on_drop: false }` [INFO] [stdout] 49da474ae4285e9d793ab67f2660b0b1b5a9470a0a5e9b3119f080ec86760927 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 490195a13f7b7466201f9e3da04778bb01d7b40ba0074c6b0d0db899d7f3f545 [INFO] running `Command { std: "docker" "start" "-a" "490195a13f7b7466201f9e3da04778bb01d7b40ba0074c6b0d0db899d7f3f545", 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 0.22s [INFO] running `Command { std: "docker" "inspect" "490195a13f7b7466201f9e3da04778bb01d7b40ba0074c6b0d0db899d7f3f545", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "490195a13f7b7466201f9e3da04778bb01d7b40ba0074c6b0d0db899d7f3f545", kill_on_drop: false }` [INFO] [stdout] 490195a13f7b7466201f9e3da04778bb01d7b40ba0074c6b0d0db899d7f3f545