[INFO] cloning repository https://github.com/ryardley/halo_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryardley/halo_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryardley%2Fhalo_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryardley%2Fhalo_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6dd420b0c0f16aaa901bd43661243fd2433cd8f
[INFO] building ryardley/halo_example against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryardley%2Fhalo_example" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryardley/halo_example on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryardley/halo_example
[INFO] finished tweaking git repo https://github.com/ryardley/halo_example
[INFO] tweaked toml for git repo https://github.com/ryardley/halo_example written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ryardley/halo_example 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded halo2_poseidon v0.1.0
[INFO] [stderr]   Downloaded halo2_proofs v0.3.0
[INFO] [stderr]   Downloaded sinsemilla v0.1.0
[INFO] [stderr]   Downloaded halo2_gadgets v0.3.1
[INFO] [stderr]   Downloaded halo2 v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43c4185a39c0b58d5aa3b71f3b27648c17d2372fa488b8e9587ae97cbfc8bd1f
[INFO] running `Command { std: "docker" "start" "-a" "43c4185a39c0b58d5aa3b71f3b27648c17d2372fa488b8e9587ae97cbfc8bd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43c4185a39c0b58d5aa3b71f3b27648c17d2372fa488b8e9587ae97cbfc8bd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43c4185a39c0b58d5aa3b71f3b27648c17d2372fa488b8e9587ae97cbfc8bd1f", kill_on_drop: false }`
[INFO] [stdout] 43c4185a39c0b58d5aa3b71f3b27648c17d2372fa488b8e9587ae97cbfc8bd1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e02f06f9d1574c022b82c67d7a364ed1a21a69a388727ddd04d780a7eaced98b
[INFO] running `Command { std: "docker" "start" "-a" "e02f06f9d1574c022b82c67d7a364ed1a21a69a388727ddd04d780a7eaced98b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling constant_time_eq v0.3.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling halo2 v0.0.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling blake2b_simd v1.0.2
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pasta_curves v0.5.1
[INFO] [stderr]    Compiling sinsemilla v0.1.0
[INFO] [stderr]    Compiling halo2_poseidon v0.1.0
[INFO] [stderr]    Compiling halo2_proofs v0.3.0
[INFO] [stderr]    Compiling halo2_gadgets v0.3.1
[INFO] [stderr]    Compiling halo_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_example1` is never used
[INFO] [stdout]    --> src/example1.rs:316:8
[INFO] [stdout]     |
[INFO] [stdout] 316 | pub fn test_example1() -> Result<(), Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.99s
[INFO] running `Command { std: "docker" "inspect" "e02f06f9d1574c022b82c67d7a364ed1a21a69a388727ddd04d780a7eaced98b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02f06f9d1574c022b82c67d7a364ed1a21a69a388727ddd04d780a7eaced98b", kill_on_drop: false }`
[INFO] [stdout] e02f06f9d1574c022b82c67d7a364ed1a21a69a388727ddd04d780a7eaced98b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9066595bfe472808c3d148e77d6418e239738e1f5d10050553ef16c35c80d01
[INFO] running `Command { std: "docker" "start" "-a" "c9066595bfe472808c3d148e77d6418e239738e1f5d10050553ef16c35c80d01", kill_on_drop: false }`
[INFO] [stderr]    Compiling halo_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_example1` is never used
[INFO] [stdout]    --> src/example1.rs:316:8
[INFO] [stdout]     |
[INFO] [stdout] 316 | pub fn test_example1() -> Result<(), Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "c9066595bfe472808c3d148e77d6418e239738e1f5d10050553ef16c35c80d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9066595bfe472808c3d148e77d6418e239738e1f5d10050553ef16c35c80d01", kill_on_drop: false }`
[INFO] [stdout] c9066595bfe472808c3d148e77d6418e239738e1f5d10050553ef16c35c80d01