[INFO] cloning repository https://github.com/SerxaS/merkle-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SerxaS/merkle-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerxaS%2Fmerkle-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerxaS%2Fmerkle-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2855beab2d06f740cb02d9e6e2052341168e8bd
[INFO] checking SerxaS/merkle-tree against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerxaS%2Fmerkle-tree" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SerxaS/merkle-tree on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SerxaS/merkle-tree
[INFO] finished tweaking git repo https://github.com/SerxaS/merkle-tree
[INFO] tweaked toml for git repo https://github.com/SerxaS/merkle-tree written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SerxaS/merkle-tree 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded halo2curves v0.6.1
[INFO] [stderr]   Downloaded halo2_proofs v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70e865f14355645c15d45ddb8bb65e0ed043378977b149be3cba1d2402282e31
[INFO] running `Command { std: "docker" "start" "-a" "70e865f14355645c15d45ddb8bb65e0ed043378977b149be3cba1d2402282e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70e865f14355645c15d45ddb8bb65e0ed043378977b149be3cba1d2402282e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e865f14355645c15d45ddb8bb65e0ed043378977b149be3cba1d2402282e31", kill_on_drop: false }`
[INFO] [stdout] 70e865f14355645c15d45ddb8bb65e0ed043378977b149be3cba1d2402282e31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4c10213aaa034749af6b1e8b166b4801abf18ff6205c45646f195c1614dd79c
[INFO] running `Command { std: "docker" "start" "-a" "b4c10213aaa034749af6b1e8b166b4801abf18ff6205c45646f195c1614dd79c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking constant_time_eq v0.2.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking blake2b_simd v1.0.1
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling halo2curves v0.6.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking pasta_curves v0.5.1
[INFO] [stderr]     Checking pairing v0.23.0
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking halo2_proofs v0.3.0
[INFO] [stderr]     Checking KZG v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `concat_leaves` is never read
[INFO] [stdout]   --> src/merkle_tree_tools/proof.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 let mut concat_leaves = [Fr::zero(); 2];
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]    --> src/merkle_tree.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let tree = MerkleTree::build_tree(leaves);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `concat_leaves` is never read
[INFO] [stdout]   --> src/merkle_tree_tools/proof.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 let mut concat_leaves = [Fr::zero(); 2];
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `hash_leaves` and `build_tree` are never used
[INFO] [stdout]   --> src/merkle_tree_tools/build_tree.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl MerkleTree {
[INFO] [stdout]    | --------------- associated functions in this implementation
[INFO] [stdout] 12 |     /// Hashes given Fr values.
[INFO] [stdout] 13 |     pub(crate) fn hash_leaves(leaves: Vec<Fr>) -> Vec<Fr> {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub(crate) fn build_tree(hashed_leaves: Vec<Fr>) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `sbox_inv_f` is never used
[INFO] [stdout]   --> src/poseidon/params/hasher/mod.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub trait Sbox {
[INFO] [stdout]    |           ---- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 85 |     fn sbox_inv_f(f: Fr) -> Fr;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `KZG` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `kzg`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `sbox_inv_f` is never used
[INFO] [stdout]   --> src/poseidon/params/hasher/mod.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub trait Sbox {
[INFO] [stdout]    |           ---- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 85 |     fn sbox_inv_f(f: Fr) -> Fr;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.53s
[INFO] running `Command { std: "docker" "inspect" "b4c10213aaa034749af6b1e8b166b4801abf18ff6205c45646f195c1614dd79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c10213aaa034749af6b1e8b166b4801abf18ff6205c45646f195c1614dd79c", kill_on_drop: false }`
[INFO] [stdout] b4c10213aaa034749af6b1e8b166b4801abf18ff6205c45646f195c1614dd79c