[INFO] cloning repository https://github.com/ClankPan/cswire
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ClankPan/cswire" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClankPan%2Fcswire", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClankPan%2Fcswire'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ade945da5263fb37ca02727529fbf64d776b76f4
[INFO] checking ClankPan/cswire against master#a33907a7a5381473eec8bcfa0c56e05a856a911c for pr-151539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClankPan%2Fcswire" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ClankPan/cswire
[INFO] finished tweaking git repo https://github.com/ClankPan/cswire
[INFO] tweaked toml for git repo https://github.com/ClankPan/cswire written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ClankPan/cswire on toolchain a33907a7a5381473eec8bcfa0c56e05a856a911c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ClankPan/cswire 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" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ark-ff-asm v0.5.0
[INFO] [stderr]   Downloaded ark-snark v0.5.1
[INFO] [stderr]   Downloaded ark-serialize-derive v0.5.0
[INFO] [stderr]   Downloaded ark-std v0.5.0
[INFO] [stderr]   Downloaded ark-serialize v0.5.0
[INFO] [stderr]   Downloaded ark-relations v0.5.1
[INFO] [stderr]   Downloaded ark-ff-macros v0.5.0
[INFO] [stderr]   Downloaded ark-crypto-primitives-macros v0.5.0
[INFO] [stderr]   Downloaded ark-bn254 v0.5.0
[INFO] [stderr]   Downloaded ark-ff v0.5.0
[INFO] [stderr]   Downloaded ark-poly v0.5.0
[INFO] [stderr]   Downloaded ark-ec v0.5.0
[INFO] [stderr]   Downloaded ark-crypto-primitives v0.5.0
[INFO] [stderr]   Downloaded ark-r1cs-std v0.5.0
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6516639b35247413b69c6b3e5ed6f33f2f91ec180cdc3cf33cebe6cb24a46537
[INFO] running `Command { std: "docker" "start" "-a" "6516639b35247413b69c6b3e5ed6f33f2f91ec180cdc3cf33cebe6cb24a46537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6516639b35247413b69c6b3e5ed6f33f2f91ec180cdc3cf33cebe6cb24a46537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6516639b35247413b69c6b3e5ed6f33f2f91ec180cdc3cf33cebe6cb24a46537", kill_on_drop: false }`
[INFO] [stdout] 6516639b35247413b69c6b3e5ed6f33f2f91ec180cdc3cf33cebe6cb24a46537
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 468cc5b6ebe41a647563460bef4b31c0640a6fc04efea9092555181689800a93
[INFO] running `Command { std: "docker" "start" "-a" "468cc5b6ebe41a647563460bef4b31c0640a6fc04efea9092555181689800a93", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ark-std v0.5.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling enum-ordinalize-derive v4.3.1
[INFO] [stderr]    Compiling ark-serialize-derive v0.5.0
[INFO] [stderr]    Compiling ark-ff-macros v0.5.0
[INFO] [stderr]    Compiling ark-ff-asm v0.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.29
[INFO] [stderr]    Compiling ark-crypto-primitives-macros v0.5.0
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling enum-ordinalize v4.3.0
[INFO] [stderr]    Compiling educe v0.6.0
[INFO] [stderr]     Checking merlin v3.0.0
[INFO] [stderr]     Checking ark-serialize v0.5.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking ark-ff v0.5.0
[INFO] [stderr]     Checking ark-poly v0.5.0
[INFO] [stderr]     Checking ark-relations v0.5.1
[INFO] [stderr]     Checking ark-snark v0.5.1
[INFO] [stderr]     Checking ark-ec v0.5.0
[INFO] [stderr]     Checking ark-r1cs-std v0.5.0
[INFO] [stderr]     Checking ark-bn254 v0.5.0
[INFO] [stderr]     Checking ark-crypto-primitives v0.5.0
[INFO] [stderr]     Checking cswire v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/variables.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Idx(usize);
[INFO] [stdout]    |            --- ^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Idx` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/variables.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Idx(usize);
[INFO] [stdout]    |            --- ^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Idx` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.60s
[INFO] running `Command { std: "docker" "inspect" "468cc5b6ebe41a647563460bef4b31c0640a6fc04efea9092555181689800a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468cc5b6ebe41a647563460bef4b31c0640a6fc04efea9092555181689800a93", kill_on_drop: false }`
[INFO] [stdout] 468cc5b6ebe41a647563460bef4b31c0640a6fc04efea9092555181689800a93