[INFO] fetching crate ark-relations-zkhub 0.4.7...
[INFO] checking ark-relations-zkhub-0.4.7 against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] extracting crate ark-relations-zkhub 0.4.7 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate ark-relations-zkhub 0.4.7
[INFO] finished tweaking crates.io crate ark-relations-zkhub 0.4.7
[INFO] tweaked toml for crates.io crate ark-relations-zkhub 0.4.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ark-relations-zkhub 0.4.7 on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 66 packages to highest compatible versions
[INFO] [stderr]       Adding ark-ff v0.4.2 (available: v0.6.0)
[INFO] [stderr]       Adding ark-std v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding ark-test-curves v0.4.2 (available: v0.6.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding tracing-subscriber v0.2.25 (available: v0.3.23)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9652284cd1c608929514e751ebb7637500fe675f4192bfe3d51e05bd9831f05f
[INFO] running `Command { std: "docker" "start" "9652284cd1c608929514e751ebb7637500fe675f4192bfe3d51e05bd9831f05f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9652284cd1c608929514e751ebb7637500fe675f4192bfe3d51e05bd9831f05f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9652284cd1c608929514e751ebb7637500fe675f4192bfe3d51e05bd9831f05f" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9652284cd1c608929514e751ebb7637500fe675f4192bfe3d51e05bd9831f05f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9652284cd1c608929514e751ebb7637500fe675f4192bfe3d51e05bd9831f05f" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.63
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking either v1.19.0
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]     Checking smallvec v1.16.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking socket2 v0.6.5
[INFO] [stderr]     Checking mio v1.2.4
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking num-integer v0.1.47
[INFO] [stderr]     Checking num-bigint v0.4.8
[INFO] [stderr]    Compiling zeroize_derive v1.5.0
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling async-recursion v1.2.0
[INFO] [stderr]     Checking zeroize v1.9.1
[INFO] [stderr]     Checking tokio v1.53.3
[INFO] [stderr]    Compiling ark-serialize-derive v0.4.2
[INFO] [stderr]    Compiling ark-ff-asm v0.4.2
[INFO] [stderr]    Compiling ark-ff-macros v0.4.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.8
[INFO] [stderr]     Checking ark-std v0.4.0
[INFO] [stderr]     Checking ark-serialize v0.4.2
[INFO] [stderr]     Checking ark-ff v0.4.2
[INFO] [stderr]     Checking ark-poly v0.4.2
[INFO] [stderr]     Checking ark-relations-zkhub v0.4.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `trace` is never read
[INFO] [stdout]    --> src/r1cs/constraint_system.rs:678:21
[INFO] [stdout]     |
[INFO] [stdout] 678 |                     trace = self.constraint_traces[i].as_ref().map_or_else(
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:7:5
[INFO] [stdout]     |
[INFO] [stdout]   7 |     unused,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ark-ec v0.4.2
[INFO] [stderr]     Checking ark-test-curves v0.4.2
[INFO] [stdout] warning: value assigned to `trace` is never read
[INFO] [stdout]    --> src/r1cs/constraint_system.rs:678:21
[INFO] [stdout]     |
[INFO] [stdout] 678 |                     trace = self.constraint_traces[i].as_ref().map_or_else(
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:7:5
[INFO] [stdout]     |
[INFO] [stdout]   7 |     unused,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.53s
[INFO] running `Command { std: "docker" "inspect" "9652284cd1c608929514e751ebb7637500fe675f4192bfe3d51e05bd9831f05f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9652284cd1c608929514e751ebb7637500fe675f4192bfe3d51e05bd9831f05f", kill_on_drop: false }`
[INFO] [stdout] 9652284cd1c608929514e751ebb7637500fe675f4192bfe3d51e05bd9831f05f
