[INFO] fetching crate r1cs 0.4.7...
[INFO] building r1cs-0.4.7 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate r1cs 0.4.7 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate r1cs 0.4.7
[INFO] finished tweaking crates.io crate r1cs 0.4.7
[INFO] tweaked toml for crates.io crate r1cs 0.4.7 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate r1cs 0.4.7 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages to latest compatible versions
[INFO] [stderr]       Adding bimap v0.4.0 (available: v0.6.3)
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.7.0)
[INFO] [stderr]       Adding itertools v0.8.2 (available: v0.14.0)
[INFO] [stderr]       Adding num v0.2.1 (available: v0.4.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 676d3af320e25ddc173e2f4edc88a20cd09e65833f21100a12ac9b018e894ece
[INFO] running `Command { std: "docker" "start" "-a" "676d3af320e25ddc173e2f4edc88a20cd09e65833f21100a12ac9b018e894ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "676d3af320e25ddc173e2f4edc88a20cd09e65833f21100a12ac9b018e894ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676d3af320e25ddc173e2f4edc88a20cd09e65833f21100a12ac9b018e894ece", kill_on_drop: false }`
[INFO] [stdout] 676d3af320e25ddc173e2f4edc88a20cd09e65833f21100a12ac9b018e894ece
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab2e2c1545358591f5718c60f7d4901e91e20e383b447285bd229bb4b043b06d
[INFO] running `Command { std: "docker" "start" "-a" "ab2e2c1545358591f5718c60f7d4901e91e20e383b447285bd229bb4b043b06d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling bimap v0.4.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling r1cs v0.4.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `SignatureExpression` is never used
[INFO] [stdout]  --> src/signature.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait SignatureExpression<F: Field, C: EdwardsCurve<F>, CF> {
[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 `SchnorrSignatureExpression` is never constructed
[INFO] [stdout]   --> src/signature.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct SchnorrSignatureExpression<F: Field> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/curve.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct MontgomeryPointExpression<F: Field> {
[INFO] [stdout]    |            ------------------------- fields in this struct
[INFO] [stdout] 59 |     x: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 60 |     y: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/curve.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct WeierstrassPointExpression<F: Field> {
[INFO] [stdout]    |            -------------------------- fields in this struct
[INFO] [stdout] 67 |     x: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 68 |     y: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, and `z` are never read
[INFO] [stdout]   --> src/curve.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct ProjWeierstrassPointExpression<F: Field> {
[INFO] [stdout]    |            ------------------------------ fields in this struct
[INFO] [stdout] 75 |     x: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 76 |     y: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 77 |     z: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.40s
[INFO] running `Command { std: "docker" "inspect" "ab2e2c1545358591f5718c60f7d4901e91e20e383b447285bd229bb4b043b06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2e2c1545358591f5718c60f7d4901e91e20e383b447285bd229bb4b043b06d", kill_on_drop: false }`
[INFO] [stdout] ab2e2c1545358591f5718c60f7d4901e91e20e383b447285bd229bb4b043b06d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 294fa37982d841e40727a2f11ad2f8924984ed00a8d2acc68a26230e9532acc0
[INFO] running `Command { std: "docker" "start" "-a" "294fa37982d841e40727a2f11ad2f8924984ed00a8d2acc68a26230e9532acc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stdout] warning: trait `SignatureExpression` is never used
[INFO] [stdout]  --> src/signature.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait SignatureExpression<F: Field, C: EdwardsCurve<F>, CF> {
[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 `SchnorrSignatureExpression` is never constructed
[INFO] [stdout]   --> src/signature.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct SchnorrSignatureExpression<F: Field> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/curve.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct MontgomeryPointExpression<F: Field> {
[INFO] [stdout]    |            ------------------------- fields in this struct
[INFO] [stdout] 59 |     x: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 60 |     y: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/curve.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct WeierstrassPointExpression<F: Field> {
[INFO] [stdout]    |            -------------------------- fields in this struct
[INFO] [stdout] 67 |     x: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 68 |     y: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, and `z` are never read
[INFO] [stdout]   --> src/curve.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct ProjWeierstrassPointExpression<F: Field> {
[INFO] [stdout]    |            ------------------------------ fields in this struct
[INFO] [stdout] 75 |     x: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 76 |     y: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 77 |     z: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling r1cs v0.4.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]   --> src/embedded_curve.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     use std::iter;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/embedded_curve.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     use std::str::FromStr;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::assert_equal`
[INFO] [stdout]   --> src/embedded_curve.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use itertools::assert_equal;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Bls12_381`, `Bn128`, and `Element`
[INFO] [stdout]   --> src/embedded_curve.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use crate::field::{Bn128, Bls12_381, Element};
[INFO] [stdout]    |                        ^^^^^  ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `builder`
[INFO] [stdout]   --> src/signature.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut builder = GadgetBuilder::<Bls12_381>::new();
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/signature.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut builder = GadgetBuilder::<Bls12_381>::new();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/curve.rs:261:13
[INFO] [stdout]     |
[INFO] [stdout] 261 |         let p = EdwardsPointExpression::<Bls12_381, JubJub>::from_expressions(
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/curve.rs:281:13
[INFO] [stdout]     |
[INFO] [stdout] 281 |         let p = EdwardsPointExpression::<Bls12_381, JubJub>::from_expressions(
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p3`
[INFO] [stdout]    --> src/curve.rs:342:13
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let p3 = EdwardsPointExpression::<Bls12_381, JubJub>::scalar_mult(
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_p3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/curve.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct MontgomeryPointExpression<F: Field> {
[INFO] [stdout]    |            ------------------------- fields in this struct
[INFO] [stdout] 59 |     x: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 60 |     y: Expression<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: fields `x` and `y` are never read
[INFO] [stdout]   --> src/curve.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct WeierstrassPointExpression<F: Field> {
[INFO] [stdout]    |            -------------------------- fields in this struct
[INFO] [stdout] 67 |     x: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 68 |     y: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, and `z` are never read
[INFO] [stdout]   --> src/curve.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct ProjWeierstrassPointExpression<F: Field> {
[INFO] [stdout]    |            ------------------------------ fields in this struct
[INFO] [stdout] 75 |     x: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 76 |     y: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 77 |     z: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 18.42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "294fa37982d841e40727a2f11ad2f8924984ed00a8d2acc68a26230e9532acc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294fa37982d841e40727a2f11ad2f8924984ed00a8d2acc68a26230e9532acc0", kill_on_drop: false }`
[INFO] [stdout] 294fa37982d841e40727a2f11ad2f8924984ed00a8d2acc68a26230e9532acc0