[INFO] cloning repository https://github.com/h3lio5/halo2-sorting-algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/h3lio5/halo2-sorting-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3lio5%2Fhalo2-sorting-algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3lio5%2Fhalo2-sorting-algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52d849f8d4e468611a3cd303477aaf60adae2c19
[INFO] checking h3lio5/halo2-sorting-algorithms against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3lio5%2Fhalo2-sorting-algorithms" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/h3lio5/halo2-sorting-algorithms
[INFO] finished tweaking git repo https://github.com/h3lio5/halo2-sorting-algorithms
[INFO] tweaked toml for git repo https://github.com/h3lio5/halo2-sorting-algorithms written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/h3lio5/halo2-sorting-algorithms on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/h3lio5/halo2-sorting-algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f13903df4ebaf526c38716e7d104d60ee6c737efe41c19fea1ba03bdd2db1f9a
[INFO] running `Command { std: "docker" "start" "-a" "f13903df4ebaf526c38716e7d104d60ee6c737efe41c19fea1ba03bdd2db1f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f13903df4ebaf526c38716e7d104d60ee6c737efe41c19fea1ba03bdd2db1f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13903df4ebaf526c38716e7d104d60ee6c737efe41c19fea1ba03bdd2db1f9a", kill_on_drop: false }`
[INFO] [stdout] f13903df4ebaf526c38716e7d104d60ee6c737efe41c19fea1ba03bdd2db1f9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50da9b5902e56a8454e24f35c7bc352a78c93163070a9d24c2360c807f73ffc5
[INFO] running `Command { std: "docker" "start" "-a" "50da9b5902e56a8454e24f35c7bc352a78c93163070a9d24c2360c807f73ffc5", kill_on_drop: false }`
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[INFO] [stdout] warning: struct `ACell` is never constructed
[INFO] [stdout]  --> src/bubblesort.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct ACell<F: Field>(AssignedCell<F, F>);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BubbleSortConfig` is never constructed
[INFO] [stdout]   --> src/bubblesort.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct BubbleSortConfig<F: Field, const ARR_LEN: usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BubbleSortChip` is never constructed
[INFO] [stdout]   --> src/bubblesort.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct BubbleSortChip<F: Field, const ARR_LEN: usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `construct`, `configure`, `assign_first_row`, `assign_row`, and `expose_public` are never used
[INFO] [stdout]    --> src/bubblesort.rs:26:8
[INFO] [stdout]     |
[INFO] [stdout]  25 | impl<F: Field, const ARR_LEN: usize> BubbleSortChip<F, ARR_LEN> {
[INFO] [stdout]     | --------------------------------------------------------------- associated items in this implementation
[INFO] [stdout]  26 |     fn construct(config: BubbleSortConfig<F, ARR_LEN>) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  30 |     fn configure(meta: &mut ConstraintSystem<F>) -> BubbleSortConfig<F, ARR_LEN> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |     pub fn assign_first_row(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub fn assign_row(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |     pub fn expose_public(&self, mut layouter: impl Layouter<F>, cell: &ACell<F>, row: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BubbleSortCicuit` is never constructed
[INFO] [stdout]    --> src/bubblesort.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 | struct BubbleSortCicuit<F: Field, const ARR_LEN: usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bubblesort.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         layouter.constrain_instance(cell.0.cell(), self.config.instance, row);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 218 |         let _ = layouter.constrain_instance(cell.0.cell(), self.config.instance, row);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bubblesort.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         layouter.constrain_instance(cell.0.cell(), self.config.instance, row);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 218 |         let _ = layouter.constrain_instance(cell.0.cell(), self.config.instance, row);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "50da9b5902e56a8454e24f35c7bc352a78c93163070a9d24c2360c807f73ffc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50da9b5902e56a8454e24f35c7bc352a78c93163070a9d24c2360c807f73ffc5", kill_on_drop: false }`
[INFO] [stdout] 50da9b5902e56a8454e24f35c7bc352a78c93163070a9d24c2360c807f73ffc5
