[INFO] fetching crate r1cs 0.4.7... [INFO] checking r1cs-0.4.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate r1cs 0.4.7 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate r1cs 0.4.7 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 59 packages [INFO] [stderr] Adding bimap v0.4.0 (latest: v0.6.3) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cast v0.2.7 (latest: v0.3.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding criterion v0.2.11 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.3.1 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [INFO] [stderr] Adding num v0.2.1 (latest: v0.4.1) [INFO] [stderr] Adding num-bigint v0.2.6 (latest: v0.4.4) [INFO] [stderr] Adding num-complex v0.2.4 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.2.4 (latest: v0.4.1) [INFO] [stderr] Adding rand v0.5.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_xoshiro v0.1.0 (latest: v0.6.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bimap v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7eda9bd0319b7256cac08c5214f77a419668ffb292244010b46ef88e5a71bf75 [INFO] running `Command { std: "docker" "start" "-a" "7eda9bd0319b7256cac08c5214f77a419668ffb292244010b46ef88e5a71bf75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7eda9bd0319b7256cac08c5214f77a419668ffb292244010b46ef88e5a71bf75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7eda9bd0319b7256cac08c5214f77a419668ffb292244010b46ef88e5a71bf75", kill_on_drop: false }` [INFO] [stdout] 7eda9bd0319b7256cac08c5214f77a419668ffb292244010b46ef88e5a71bf75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 887658ea429e5d6fc3e06db2d3acb8579d86eabb3a8c113d93ff456cff5aa783 [INFO] running `Command { std: "docker" "start" "-a" "887658ea429e5d6fc3e06db2d3acb8579d86eabb3a8c113d93ff456cff5aa783", 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] Checking csv-core v0.1.11 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking bimap v0.4.0 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking 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)]` 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`, `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: fields `x` and `y` are never read [INFO] [stdout] --> src/curve.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 58 | pub struct MontgomeryPointExpression { [INFO] [stdout] | ------------------------- fields in this struct [INFO] [stdout] 59 | x: Expression, [INFO] [stdout] | ^ [INFO] [stdout] 60 | y: Expression, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 { [INFO] [stdout] | -------------------------- fields in this struct [INFO] [stdout] 67 | x: Expression, [INFO] [stdout] | ^ [INFO] [stdout] 68 | y: Expression, [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 { [INFO] [stdout] | ------------------------------ fields in this struct [INFO] [stdout] 75 | x: Expression, [INFO] [stdout] | ^ [INFO] [stdout] 76 | y: Expression, [INFO] [stdout] | ^ [INFO] [stdout] 77 | z: Expression, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `verify` is never used [INFO] [stdout] --> src/signature.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait SignatureExpression, CF> { [INFO] [stdout] | ------------------- method in this trait [INFO] [stdout] 4 | fn verify( [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [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::::from_expressions( [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_p` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [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::::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::::scalar_mult( [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p3` [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::::new(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder` [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::::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [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 { [INFO] [stdout] | ------------------------- fields in this struct [INFO] [stdout] 59 | x: Expression, [INFO] [stdout] | ^ [INFO] [stdout] 60 | y: Expression, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 { [INFO] [stdout] | -------------------------- fields in this struct [INFO] [stdout] 67 | x: Expression, [INFO] [stdout] | ^ [INFO] [stdout] 68 | y: Expression, [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 { [INFO] [stdout] | ------------------------------ fields in this struct [INFO] [stdout] 75 | x: Expression, [INFO] [stdout] | ^ [INFO] [stdout] 76 | y: Expression, [INFO] [stdout] | ^ [INFO] [stdout] 77 | z: Expression, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.10s [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 3` [INFO] running `Command { std: "docker" "inspect" "887658ea429e5d6fc3e06db2d3acb8579d86eabb3a8c113d93ff456cff5aa783", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "887658ea429e5d6fc3e06db2d3acb8579d86eabb3a8c113d93ff456cff5aa783", kill_on_drop: false }` [INFO] [stdout] 887658ea429e5d6fc3e06db2d3acb8579d86eabb3a8c113d93ff456cff5aa783