[INFO] cloning repository https://github.com/k-gunjan/halo2-merkle-proof [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k-gunjan/halo2-merkle-proof" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-gunjan%2Fhalo2-merkle-proof", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-gunjan%2Fhalo2-merkle-proof'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 973470f4bb217ace33f4b076426c4bf92d3e673b [INFO] checking k-gunjan/halo2-merkle-proof against try#2278ef25f90817c20d6dd0d2da58a990eb6f53cb for pr-145108-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-gunjan%2Fhalo2-merkle-proof" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/k-gunjan/halo2-merkle-proof [INFO] finished tweaking git repo https://github.com/k-gunjan/halo2-merkle-proof [INFO] tweaked toml for git repo https://github.com/k-gunjan/halo2-merkle-proof written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/k-gunjan/halo2-merkle-proof on toolchain 2278ef25f90817c20d6dd0d2da58a990eb6f53cb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/k-gunjan/halo2-merkle-proof 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" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/zcash/halo2.git` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded plotters-bitmap v0.3.3 [INFO] [stderr] Downloaded pasta_curves v0.4.1 [INFO] [stderr] Downloaded const-cstr v0.3.0 [INFO] [stderr] Downloaded yeslogic-fontconfig-sys v3.2.0 [INFO] [stderr] Downloaded freetype v0.7.0 [INFO] [stderr] Downloaded font-kit v0.11.0 [INFO] [stderr] Downloaded pathfinder_simd v0.5.2 [INFO] [stderr] Downloaded tabbycat v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2df4000aacbfb47cec7e72cc97620a22c248226ed8e3a5704a5c79ca6c3e466d [INFO] running `Command { std: "docker" "start" "-a" "2df4000aacbfb47cec7e72cc97620a22c248226ed8e3a5704a5c79ca6c3e466d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2df4000aacbfb47cec7e72cc97620a22c248226ed8e3a5704a5c79ca6c3e466d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2df4000aacbfb47cec7e72cc97620a22c248226ed8e3a5704a5c79ca6c3e466d", kill_on_drop: false }` [INFO] [stdout] 2df4000aacbfb47cec7e72cc97620a22c248226ed8e3a5704a5c79ca6c3e466d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc8ad60c4a24a10859d4e107518417abc763100772534559903285acebe3bcc7 [INFO] running `Command { std: "docker" "start" "-a" "dc8ad60c4a24a10859d4e107518417abc763100772534559903285acebe3bcc7", kill_on_drop: false }` [INFO] [stderr] Checking subtle v2.5.0 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking constant_time_eq v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Checking rayon-core v1.12.0 [INFO] [stderr] Checking blake2b_simd v1.0.2 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking ff v0.12.1 [INFO] [stderr] Checking group v0.12.1 [INFO] [stderr] Checking pasta_curves v0.4.1 [INFO] [stderr] Checking halo2_proofs v0.1.0 (https://github.com/zcash/halo2.git?rev=a898d65ae3ad3d41987666f6a03cfc15edae01c4#a898d65a) [INFO] [stderr] Checking halo2-merkle-proof v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `IsZeroConfig` is never constructed [INFO] [stdout] --> src/gadgets/is_zero.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct IsZeroConfig { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `expr` is never used [INFO] [stdout] --> src/gadgets/is_zero.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl IsZeroConfig { [INFO] [stdout] | --------------------------------- method in this implementation [INFO] [stdout] 10 | pub fn expr(&self) -> Expression { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IsZeroChip` is never constructed [INFO] [stdout] --> src/gadgets/is_zero.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct IsZeroChip { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `construct`, `configure`, and `assign` are never used [INFO] [stdout] --> src/gadgets/is_zero.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl IsZeroChip { [INFO] [stdout] | ------------------------------- associated items in this implementation [INFO] [stdout] 20 | pub fn construct(config: IsZeroConfig) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn configure( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn assign( [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MerkleConfig` is never constructed [INFO] [stdout] --> src/merkle_proof.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct MerkleConfig { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MerkleChip` is never constructed [INFO] [stdout] --> src/merkle_proof.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct MerkleChip { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `construct`, `configure`, `assign`, and `expose_public` are never used [INFO] [stdout] --> src/merkle_proof.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl MerkleChip { [INFO] [stdout] | ------------------------------- associated items in this implementation [INFO] [stdout] 23 | pub fn construct(config: MerkleConfig) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn configure(meta: &mut ConstraintSystem) -> MerkleConfig { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | pub fn assign( [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 141 | pub fn expose_public( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyCircuit` is never constructed [INFO] [stdout] --> src/merkle_proof.rs:152:8 [INFO] [stdout] | [INFO] [stdout] 152 | struct MyCircuit { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand` [INFO] [stdout] --> src/merkle_proof.rs:198:9 [INFO] [stdout] | [INFO] [stdout] 198 | use rand::rngs::OsRng; [INFO] [stdout] | ^^^^ use of unresolved module or unlinked crate `rand` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stderr] error: could not compile `halo2-merkle-proof` (lib test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "dc8ad60c4a24a10859d4e107518417abc763100772534559903285acebe3bcc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc8ad60c4a24a10859d4e107518417abc763100772534559903285acebe3bcc7", kill_on_drop: false }` [INFO] [stdout] dc8ad60c4a24a10859d4e107518417abc763100772534559903285acebe3bcc7