[INFO] cloning repository https://github.com/turfT/bellman-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/turfT/bellman-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FturfT%2Fbellman-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FturfT%2Fbellman-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 947e5afb718c7685879c7cbcbb1dc8e03bb81fc1 [INFO] testing turfT/bellman-learn against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FturfT%2Fbellman-learn" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/turfT/bellman-learn [INFO] finished tweaking git repo https://github.com/turfT/bellman-learn [INFO] tweaked toml for git repo https://github.com/turfT/bellman-learn written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/turfT/bellman-learn on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/turfT/bellman-learn 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dd95bb4b8df31ad2dd6be7fc0c8e43bc8bc9105f5de649ae66a32c074bda9600 [INFO] running `Command { std: "docker" "start" "-a" "dd95bb4b8df31ad2dd6be7fc0c8e43bc8bc9105f5de649ae66a32c074bda9600", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd95bb4b8df31ad2dd6be7fc0c8e43bc8bc9105f5de649ae66a32c074bda9600", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd95bb4b8df31ad2dd6be7fc0c8e43bc8bc9105f5de649ae66a32c074bda9600", kill_on_drop: false }` [INFO] [stdout] dd95bb4b8df31ad2dd6be7fc0c8e43bc8bc9105f5de649ae66a32c074bda9600 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99651cc938a3880ef5fa9ce90161ef95e200eac97fbdb7d6b662917fd6b4e731 [INFO] running `Command { std: "docker" "start" "-a" "99651cc938a3880ef5fa9ce90161ef95e200eac97fbdb7d6b662917fd6b4e731", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling radium v0.4.1 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling funty v1.0.1 [INFO] [stderr] Compiling wyz v0.2.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling subtle v2.4.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling bitvec v0.18.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling constant_time_eq v0.1.5 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling futures v0.1.30 [INFO] [stderr] Compiling arrayref v0.3.6 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling blake2s_simd v0.5.11 [INFO] [stderr] Compiling cpuid-bool v0.1.2 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling sha2 v0.9.2 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling ff v0.8.0 [INFO] [stderr] Compiling group v0.8.0 [INFO] [stderr] Compiling pairing v0.18.0 [INFO] [stderr] Compiling bls12_381 v0.3.1 [INFO] [stderr] Compiling bellman v0.8.1 [INFO] [stderr] Compiling bellman-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `groth16` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | groth16, Circuit, ConstraintSystem, SynthesisError, [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: `bls12_381::Bls12` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use bls12_381::Bls12; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::rngs::OsRng` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use rand::rngs::OsRng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Digest` and `Sha256` [INFO] [stdout] --> src/main.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | use sha2::{Digest, Sha256}; [INFO] [stdout] | ^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sha256d` is never used [INFO] [stdout] --> src/main.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn sha256d>( [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 `MyCircuit` is never constructed [INFO] [stdout] --> src/main.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | struct MyCircuit { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/main.rs:52:18 [INFO] [stdout] | [INFO] [stdout] 52 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 52 - .into_iter() [INFO] [stdout] 52 + .iter() [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 51 - preimage [INFO] [stdout] 52 - .into_iter() [INFO] [stdout] 51 + IntoIterator::into_iter(preimage) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.44s [INFO] running `Command { std: "docker" "inspect" "99651cc938a3880ef5fa9ce90161ef95e200eac97fbdb7d6b662917fd6b4e731", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99651cc938a3880ef5fa9ce90161ef95e200eac97fbdb7d6b662917fd6b4e731", kill_on_drop: false }` [INFO] [stdout] 99651cc938a3880ef5fa9ce90161ef95e200eac97fbdb7d6b662917fd6b4e731 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81512ad8fe7420e76e9d223baf739ae2b33601fac5dca833e0ae754e1d5e26d2 [INFO] running `Command { std: "docker" "start" "-a" "81512ad8fe7420e76e9d223baf739ae2b33601fac5dca833e0ae754e1d5e26d2", kill_on_drop: false }` [INFO] [stderr] Compiling bellman-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/main.rs:52:18 [INFO] [stdout] | [INFO] [stdout] 52 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 52 - .into_iter() [INFO] [stdout] 52 + .iter() [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 51 - preimage [INFO] [stdout] 52 - .into_iter() [INFO] [stdout] 51 + IntoIterator::into_iter(preimage) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "81512ad8fe7420e76e9d223baf739ae2b33601fac5dca833e0ae754e1d5e26d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81512ad8fe7420e76e9d223baf739ae2b33601fac5dca833e0ae754e1d5e26d2", kill_on_drop: false }` [INFO] [stdout] 81512ad8fe7420e76e9d223baf739ae2b33601fac5dca833e0ae754e1d5e26d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] be05d6b7764d5f9d49cc995b471cb0dde4bb991b45da0570f7b38e4cad33a12b [INFO] running `Command { std: "docker" "start" "-a" "be05d6b7764d5f9d49cc995b471cb0dde4bb991b45da0570f7b38e4cad33a12b", kill_on_drop: false }` [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stderr] --> src/main.rs:52:18 [INFO] [stderr] | [INFO] [stderr] 52 | .into_iter() [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 52 - .into_iter() [INFO] [stderr] 52 + .iter() [INFO] [stderr] | [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 51 - preimage [INFO] [stderr] 52 - .into_iter() [INFO] [stderr] 51 + IntoIterator::into_iter(preimage) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `bellman-learn` (bin "bellman-learn" test) generated 1 warning (run `cargo fix --bin "bellman-learn" -p bellman-learn --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bellman_learn-4a6121eb4de5db77) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_bellman has been running for over 60 seconds [INFO] [stdout] test test_bellman ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 133.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "be05d6b7764d5f9d49cc995b471cb0dde4bb991b45da0570f7b38e4cad33a12b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be05d6b7764d5f9d49cc995b471cb0dde4bb991b45da0570f7b38e4cad33a12b", kill_on_drop: false }` [INFO] [stdout] be05d6b7764d5f9d49cc995b471cb0dde4bb991b45da0570f7b38e4cad33a12b