[INFO] cloning repository https://github.com/zkfriendly/lFibo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zkfriendly/lFibo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzkfriendly%2FlFibo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzkfriendly%2FlFibo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7eacd4e28025702f7f9ae04bf1d6d8a20844588
[INFO] testing zkfriendly/lFibo against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzkfriendly%2FlFibo" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zkfriendly/lFibo
[INFO] finished tweaking git repo https://github.com/zkfriendly/lFibo
[INFO] tweaked toml for git repo https://github.com/zkfriendly/lFibo written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zkfriendly/lFibo on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zkfriendly/lFibo 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a93878ac250e6579db5dbe35c8b760e69cbcb08032e5769135e0a9340890fb70
[INFO] running `Command { std: "docker" "start" "-a" "a93878ac250e6579db5dbe35c8b760e69cbcb08032e5769135e0a9340890fb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a93878ac250e6579db5dbe35c8b760e69cbcb08032e5769135e0a9340890fb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a93878ac250e6579db5dbe35c8b760e69cbcb08032e5769135e0a9340890fb70", kill_on_drop: false }`
[INFO] [stdout] a93878ac250e6579db5dbe35c8b760e69cbcb08032e5769135e0a9340890fb70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa565d8356cb5bd2637b806dc4a4116312a155245a875c53dee2bd0c73f7c10c
[INFO] running `Command { std: "docker" "start" "-a" "fa565d8356cb5bd2637b806dc4a4116312a155245a875c53dee2bd0c73f7c10c", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling constant_time_eq v0.3.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling blake2b_simd v1.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling ff v0.12.1
[INFO] [stderr]    Compiling group v0.12.1
[INFO] [stderr]    Compiling pasta_curves v0.4.1
[INFO] [stderr]    Compiling halo2_proofs v0.1.0
[INFO] [stderr]    Compiling fib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::result`
[INFO] [stdout]  --> src/fibo_circuit2/fibo_chip.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::result;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> src/fibo_circuit2/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct FiboCircuit<F: FieldExt> {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 10 |     pub a: Option<F>,
[INFO] [stdout]    |         ^
[INFO] [stdout] 11 |     pub b: Option<F>,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ACell` is never constructed
[INFO] [stdout]   --> src/fibo_circuit2/fibo_chip.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct ACell<F: FieldExt>(AssignedCell<F, F>);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.58s
[INFO] running `Command { std: "docker" "inspect" "fa565d8356cb5bd2637b806dc4a4116312a155245a875c53dee2bd0c73f7c10c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa565d8356cb5bd2637b806dc4a4116312a155245a875c53dee2bd0c73f7c10c", kill_on_drop: false }`
[INFO] [stdout] fa565d8356cb5bd2637b806dc4a4116312a155245a875c53dee2bd0c73f7c10c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54026fdb8a25f1a0a7df187ee7e328e4af82909c7d0a194b36e9b85d53692327
[INFO] running `Command { std: "docker" "start" "-a" "54026fdb8a25f1a0a7df187ee7e328e4af82909c7d0a194b36e9b85d53692327", kill_on_drop: false }`
[INFO] [stderr]    Compiling fib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::result`
[INFO] [stdout]  --> src/fibo_circuit2/fibo_chip.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::result;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> src/fibo_circuit2/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct FiboCircuit<F: FieldExt> {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 10 |     pub a: Option<F>,
[INFO] [stdout]    |         ^
[INFO] [stdout] 11 |     pub b: Option<F>,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ACell` is never constructed
[INFO] [stdout]   --> src/fibo_circuit2/fibo_chip.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct ACell<F: FieldExt>(AssignedCell<F, F>);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "54026fdb8a25f1a0a7df187ee7e328e4af82909c7d0a194b36e9b85d53692327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54026fdb8a25f1a0a7df187ee7e328e4af82909c7d0a194b36e9b85d53692327", kill_on_drop: false }`
[INFO] [stdout] 54026fdb8a25f1a0a7df187ee7e328e4af82909c7d0a194b36e9b85d53692327
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16c8abf5f7743cbf046ea67bb602d9383c42d606b973aef2c06e4b63a3420389
[INFO] running `Command { std: "docker" "start" "-a" "16c8abf5f7743cbf046ea67bb602d9383c42d606b973aef2c06e4b63a3420389", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::result`
[INFO] [stderr]  --> src/fibo_circuit2/fibo_chip.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::result;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `a` and `b` are never read
[INFO] [stderr]   --> src/fibo_circuit2/mod.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct FiboCircuit<F: FieldExt> {
[INFO] [stderr]    |            ----------- fields in this struct
[INFO] [stderr] 10 |     pub a: Option<F>,
[INFO] [stderr]    |         ^
[INFO] [stderr] 11 |     pub b: Option<F>,
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ACell` is never constructed
[INFO] [stderr]   --> src/fibo_circuit2/fibo_chip.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct ACell<F: FieldExt>(AssignedCell<F, F>);
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fib` (bin "example2" test) generated 3 warnings (run `cargo fix --bin "example2" -p fib --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/example1.rs (/opt/rustwide/target/debug/deps/example1-56bd61558c700f83)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/example2.rs (/opt/rustwide/target/debug/deps/example2-1a185d0cc9e0746f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "16c8abf5f7743cbf046ea67bb602d9383c42d606b973aef2c06e4b63a3420389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c8abf5f7743cbf046ea67bb602d9383c42d606b973aef2c06e4b63a3420389", kill_on_drop: false }`
[INFO] [stdout] 16c8abf5f7743cbf046ea67bb602d9383c42d606b973aef2c06e4b63a3420389