[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#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FturfT%2Fbellman-learn" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/turfT/bellman-learn on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-14/source/Cargo.toml [INFO] crate git repo https://github.com/turfT/bellman-learn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ff v0.8.0 [INFO] [stderr] Downloaded radium v0.4.1 [INFO] [stderr] Downloaded futures v0.1.30 [INFO] [stderr] Downloaded bellman v0.8.1 [INFO] [stderr] Downloaded group v0.8.0 [INFO] [stderr] Downloaded blake2s_simd v0.5.11 [INFO] [stderr] Downloaded bls12_381 v0.3.1 [INFO] [stderr] Downloaded pairing v0.18.0 [INFO] [stderr] Downloaded bitvec v0.18.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6a1d3d355ea420251fb85eae35b62a25f0761b10e3417dd7ebf9a81299f64c3c [INFO] running `Command { std: "docker" "start" "-a" "6a1d3d355ea420251fb85eae35b62a25f0761b10e3417dd7ebf9a81299f64c3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a1d3d355ea420251fb85eae35b62a25f0761b10e3417dd7ebf9a81299f64c3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a1d3d355ea420251fb85eae35b62a25f0761b10e3417dd7ebf9a81299f64c3c", kill_on_drop: false }` [INFO] [stdout] 6a1d3d355ea420251fb85eae35b62a25f0761b10e3417dd7ebf9a81299f64c3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe96fb41cbf6c115998fe7d9c58815a4a6504bea56a48fc8f08436570f0c91f1 [INFO] running `Command { std: "docker" "start" "-a" "fe96fb41cbf6c115998fe7d9c58815a4a6504bea56a48fc8f08436570f0c91f1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling radium v0.4.1 [INFO] [stderr] Compiling funty v1.0.1 [INFO] [stderr] Compiling futures v0.1.30 [INFO] [stderr] Compiling arrayvec v0.5.2 [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 sha2 v0.9.2 [INFO] [stderr] Compiling blake2s_simd v0.5.11 [INFO] [stderr] Compiling bitvec v0.18.4 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [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)]` 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 import: `Sha256` [INFO] [stdout] --> src/main.rs:12:20 [INFO] [stdout] | [INFO] [stdout] 12 | use sha2::{Digest, Sha256}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Digest` [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: 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] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [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 | IntoIterator::into_iter(preimage) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 52.75s [INFO] running `Command { std: "docker" "inspect" "fe96fb41cbf6c115998fe7d9c58815a4a6504bea56a48fc8f08436570f0c91f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe96fb41cbf6c115998fe7d9c58815a4a6504bea56a48fc8f08436570f0c91f1", kill_on_drop: false }` [INFO] [stdout] fe96fb41cbf6c115998fe7d9c58815a4a6504bea56a48fc8f08436570f0c91f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce953d81dac0d5d66a9b00f5fd49c84eed257a27388949fbec8d644dcc07d7b3 [INFO] running `Command { std: "docker" "start" "-a" "ce953d81dac0d5d66a9b00f5fd49c84eed257a27388949fbec8d644dcc07d7b3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [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 | IntoIterator::into_iter(preimage) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 12.60s [INFO] running `Command { std: "docker" "inspect" "ce953d81dac0d5d66a9b00f5fd49c84eed257a27388949fbec8d644dcc07d7b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce953d81dac0d5d66a9b00f5fd49c84eed257a27388949fbec8d644dcc07d7b3", kill_on_drop: false }` [INFO] [stdout] ce953d81dac0d5d66a9b00f5fd49c84eed257a27388949fbec8d644dcc07d7b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a7877e014e7371eae12666953baebdf95fa936407a8dbc9f41390b6a337c25a9 [INFO] running `Command { std: "docker" "start" "-a" "a7877e014e7371eae12666953baebdf95fa936407a8dbc9f41390b6a337c25a9", 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] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see issue #66145 [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [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 | IntoIterator::into_iter(preimage) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/bellman_learn-93c887f2e0ad1014) [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 327.65s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a7877e014e7371eae12666953baebdf95fa936407a8dbc9f41390b6a337c25a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7877e014e7371eae12666953baebdf95fa936407a8dbc9f41390b6a337c25a9", kill_on_drop: false }` [INFO] [stdout] a7877e014e7371eae12666953baebdf95fa936407a8dbc9f41390b6a337c25a9