[INFO] fetching crate arkworks-gadgets 0.2.5... [INFO] checking arkworks-gadgets-0.2.5 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] extracting crate arkworks-gadgets 0.2.5 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate arkworks-gadgets 0.2.5 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-9/source/rust-toolchain.toml [INFO] started tweaking crates.io crate arkworks-gadgets 0.2.5 [INFO] finished tweaking crates.io crate arkworks-gadgets 0.2.5 [INFO] tweaked toml for crates.io crate arkworks-gadgets 0.2.5 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 25ad790ab3a9d5996e531c6823be2adec94b2a1c0014cd38a5560af0e53b01d2 [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" "25ad790ab3a9d5996e531c6823be2adec94b2a1c0014cd38a5560af0e53b01d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25ad790ab3a9d5996e531c6823be2adec94b2a1c0014cd38a5560af0e53b01d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25ad790ab3a9d5996e531c6823be2adec94b2a1c0014cd38a5560af0e53b01d2", kill_on_drop: false }` [INFO] [stdout] 25ad790ab3a9d5996e531c6823be2adec94b2a1c0014cd38a5560af0e53b01d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f5781d7b5ad2625216c56bd896b9a3d84fab6362bc1ca3c1991785a2b1e7a01d [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" "f5781d7b5ad2625216c56bd896b9a3d84fab6362bc1ca3c1991785a2b1e7a01d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling ahash v0.7.4 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Compiling ark-ff v0.3.0 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking ark-std v0.3.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking crypto-mac v0.8.0 [INFO] [stderr] Checking blake2 v0.9.1 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Compiling zeroize_derive v1.1.0 [INFO] [stderr] Compiling ark-serialize-derive v0.3.0 [INFO] [stderr] Compiling ark-ff-asm v0.3.0 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling ark-ff-macros v0.3.0 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Checking zeroize v1.4.1 [INFO] [stderr] Checking ark-serialize v0.3.0 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking ark-ec v0.3.0 [INFO] [stderr] Checking ark-relations v0.3.0 [INFO] [stderr] Checking ark-poly v0.3.0 [INFO] [stderr] Checking ark-snark v0.3.0 [INFO] [stderr] Checking ark-r1cs-std v0.3.1 [INFO] [stderr] Checking ark-bn254 v0.3.0 [INFO] [stderr] Checking ark-bls12-381 v0.3.0 [INFO] [stderr] Checking ark-poly-commit v0.3.0 [INFO] [stderr] Checking ark-marlin v0.3.0 [INFO] [stderr] Checking ark-nonnative-field v0.3.0 [INFO] [stderr] Checking ark-ed-on-bn254 v0.3.0 [INFO] [stderr] Checking ark-ed-on-bls12-381 v0.3.0 [INFO] [stderr] Checking ark-crypto-primitives v0.3.0 [INFO] [stderr] Checking ark-groth16 v0.3.0 [INFO] [stderr] Checking arkworks-gadgets v0.2.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `self.tree` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/merkle_tree/mod.rs:150:5 [INFO] [stdout] | [INFO] [stdout] 148 | let right = self.tree.get(&right_index).unwrap_or(&empty_hash); [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] 149 | [INFO] [stdout] 150 | self.tree.insert( [INFO] [stdout] | ^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] 151 | i, [INFO] [stdout] 152 | hash_inner_node::

(self.inner_params.borrow(), &left, &right)?, [INFO] [stdout] | ------ immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.tree` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/merkle_tree/mod.rs:150:5 [INFO] [stdout] | [INFO] [stdout] 148 | let right = self.tree.get(&right_index).unwrap_or(&empty_hash); [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] 149 | [INFO] [stdout] 150 | self.tree.insert( [INFO] [stdout] | ^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] 151 | i, [INFO] [stdout] 152 | hash_inner_node::

(self.inner_params.borrow(), &left, &right)?, [INFO] [stdout] | ------ immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/circuit/poseidon.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn new(a: F, b: F, c: H::Output, params: H::Parameters) -> 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 42s [INFO] running `Command { std: "docker" "inspect" "f5781d7b5ad2625216c56bd896b9a3d84fab6362bc1ca3c1991785a2b1e7a01d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5781d7b5ad2625216c56bd896b9a3d84fab6362bc1ca3c1991785a2b1e7a01d", kill_on_drop: false }` [INFO] [stdout] f5781d7b5ad2625216c56bd896b9a3d84fab6362bc1ca3c1991785a2b1e7a01d