[INFO] cloning repository https://github.com/EntySquare/snark-lv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EntySquare/snark-lv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEntySquare%2Fsnark-lv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEntySquare%2Fsnark-lv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b8c0fd7094c366f46806b5b6fe7c4ec4f189957
[INFO] testing EntySquare/snark-lv against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEntySquare%2Fsnark-lv" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/EntySquare/snark-lv
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/EntySquare/snark-lv
[INFO] tweaked toml for git repo https://github.com/EntySquare/snark-lv written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EntySquare/snark-lv on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EntySquare/snark-lv 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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d917dc50082b5ff90f8a4c5a6fd1af08871591750bf0d7098aaaf7f1f5bc2fe9
[INFO] running `Command { std: "docker" "start" "-a" "d917dc50082b5ff90f8a4c5a6fd1af08871591750bf0d7098aaaf7f1f5bc2fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d917dc50082b5ff90f8a4c5a6fd1af08871591750bf0d7098aaaf7f1f5bc2fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d917dc50082b5ff90f8a4c5a6fd1af08871591750bf0d7098aaaf7f1f5bc2fe9", kill_on_drop: false }`
[INFO] [stdout] d917dc50082b5ff90f8a4c5a6fd1af08871591750bf0d7098aaaf7f1f5bc2fe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] ffd3e27d3270cc35f22e6dc29a3b06d467205c064af17093c83cabb85fbc8b6a
[INFO] running `Command { std: "docker" "start" "-a" "ffd3e27d3270cc35f22e6dc29a3b06d467205c064af17093c83cabb85fbc8b6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling subtle v2.4.1
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[INFO] [stderr]    Compiling log v0.4.14
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[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling rustc-hash v1.1.0
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[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling fff_derive v0.2.2
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling groupy v0.3.1
[INFO] [stderr]    Compiling paired v0.21.0
[INFO] [stderr]    Compiling bellperson v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/domain.rs:438:32
[INFO] [stdout]     |
[INFO] [stdout] 438 | #[cfg(any(feature = "pairing", features = "blst"))]
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 438 - #[cfg(any(feature = "pairing", features = "blst"))]
[INFO] [stdout] 438 + #[cfg(any(feature = "pairing", feature = "blst"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/gadgets/test/mod.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Constraint(usize),
[INFO] [stdout]    |     ---------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     Constraint(usize),
[INFO] [stdout] 18 +     Constraint(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util_cs/metric_cs.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Constraint(usize),
[INFO] [stdout]    |     ---------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     Constraint(usize),
[INFO] [stdout] 12 +     Constraint(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util_cs/metric_cs.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Var(Variable),
[INFO] [stdout]    |     --- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     Var(Variable),
[INFO] [stdout] 13 +     Var(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util_cs/test_cs.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Constraint(usize),
[INFO] [stdout]    |     ---------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     Constraint(usize),
[INFO] [stdout] 13 +     Constraint(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.39s
[INFO] running `Command { std: "docker" "inspect" "ffd3e27d3270cc35f22e6dc29a3b06d467205c064af17093c83cabb85fbc8b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd3e27d3270cc35f22e6dc29a3b06d467205c064af17093c83cabb85fbc8b6a", kill_on_drop: false }`
[INFO] [stdout] ffd3e27d3270cc35f22e6dc29a3b06d467205c064af17093c83cabb85fbc8b6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 93bac3be26e507099a0533fb012241a672e01002d319af67893220c14ee420f4
[INFO] running `Command { std: "docker" "start" "-a" "93bac3be26e507099a0533fb012241a672e01002d319af67893220c14ee420f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling hex-literal v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/domain.rs:438:32
[INFO] [stdout]     |
[INFO] [stdout] 438 | #[cfg(any(feature = "pairing", features = "blst"))]
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 438 - #[cfg(any(feature = "pairing", features = "blst"))]
[INFO] [stdout] 438 + #[cfg(any(feature = "pairing", feature = "blst"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/gadgets/test/mod.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Constraint(usize),
[INFO] [stdout]    |     ---------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     Constraint(usize),
[INFO] [stdout] 18 +     Constraint(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util_cs/metric_cs.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Constraint(usize),
[INFO] [stdout]    |     ---------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     Constraint(usize),
[INFO] [stdout] 12 +     Constraint(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util_cs/metric_cs.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Var(Variable),
[INFO] [stdout]    |     --- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     Var(Variable),
[INFO] [stdout] 13 +     Var(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util_cs/test_cs.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Constraint(usize),
[INFO] [stdout]    |     ---------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     Constraint(usize),
[INFO] [stdout] 13 +     Constraint(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling bellperson v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/domain.rs:438:32
[INFO] [stdout]     |
[INFO] [stdout] 438 | #[cfg(any(feature = "pairing", features = "blst"))]
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 438 - #[cfg(any(feature = "pairing", features = "blst"))]
[INFO] [stdout] 438 + #[cfg(any(feature = "pairing", feature = "blst"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/gadgets/test/mod.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Constraint(usize),
[INFO] [stdout]    |     ---------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     Constraint(usize),
[INFO] [stdout] 18 +     Constraint(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util_cs/metric_cs.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Constraint(usize),
[INFO] [stdout]    |     ---------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     Constraint(usize),
[INFO] [stdout] 12 +     Constraint(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util_cs/metric_cs.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Var(Variable),
[INFO] [stdout]    |     --- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     Var(Variable),
[INFO] [stdout] 13 +     Var(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util_cs/test_cs.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Constraint(usize),
[INFO] [stdout]    |     ---------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     Constraint(usize),
[INFO] [stdout] 13 +     Constraint(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 31.61s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "93bac3be26e507099a0533fb012241a672e01002d319af67893220c14ee420f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93bac3be26e507099a0533fb012241a672e01002d319af67893220c14ee420f4", kill_on_drop: false }`
[INFO] [stdout] 93bac3be26e507099a0533fb012241a672e01002d319af67893220c14ee420f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 5c3f7409b714d025d55315beb082dc4e8251bdf706c18ff9a2b65d690031e348
[INFO] running `Command { std: "docker" "start" "-a" "5c3f7409b714d025d55315beb082dc4e8251bdf706c18ff9a2b65d690031e348", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `features`
[INFO] [stderr]    --> src/domain.rs:438:32
[INFO] [stderr]     |
[INFO] [stderr] 438 | #[cfg(any(feature = "pairing", features = "blst"))]
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] help: there is a config with a similar name and value
[INFO] [stderr]     |
[INFO] [stderr] 438 - #[cfg(any(feature = "pairing", features = "blst"))]
[INFO] [stderr] 438 + #[cfg(any(feature = "pairing", feature = "blst"))]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/gadgets/test/mod.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Constraint(usize),
[INFO] [stderr]    |     ---------- ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 18 -     Constraint(usize),
[INFO] [stderr] 18 +     Constraint(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/util_cs/metric_cs.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Constraint(usize),
[INFO] [stderr]    |     ---------- ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 12 -     Constraint(usize),
[INFO] [stderr] 12 +     Constraint(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/util_cs/metric_cs.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Var(Variable),
[INFO] [stderr]    |     --- ^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 13 -     Var(Variable),
[INFO] [stderr] 13 +     Var(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/util_cs/test_cs.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Constraint(usize),
[INFO] [stderr]    |     ---------- ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 13 -     Constraint(usize),
[INFO] [stderr] 13 +     Constraint(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `bellperson` (lib) generated 5 warnings
[INFO] [stderr] warning: `bellperson` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/bellperson/c0d1f445136752b2/deps/bellperson-c0d1f445136752b2)
[INFO] [stdout] 
[INFO] [stdout] running 66 tests
[INFO] [stdout] test gadgets::boolean::test::test_alloc_conditionally ... ok
[INFO] [stdout] test gadgets::boolean::test::test_allocated_bit ... ok
[INFO] [stdout] test gadgets::boolean::test::test_and ... ok
[INFO] [stdout] test gadgets::boolean::test::test_and_not ... ok
[INFO] [stdout] test gadgets::boolean::test::test_boolean_negation ... ok
[INFO] [stdout] test gadgets::boolean::test::test_boolean_and ... ok
[INFO] [stdout] test gadgets::boolean::test::test_field_into_allocated_bits_le ... ok
[INFO] [stdout] test gadgets::boolean::test::test_nor ... ok
[INFO] [stdout] test gadgets::boolean::test::test_enforce_equal ... ok
[INFO] [stdout] test gadgets::boolean::test::test_xor ... ok
[INFO] [stdout] test gadgets::boolean::test::test_u64_into_boolean_vec_le ... ok
[INFO] [stdout] test gadgets::boolean::test::test_boolean_sha256_maj ... ok
[INFO] [stdout] test gadgets::boolean::test::test_boolean_xor ... ok
[INFO] [stdout] test gadgets::lookup::test::test_lookup3_xy ... ok
[INFO] [stdout] test gadgets::num::test::test_allocated_num ... ok
[INFO] [stdout] test gadgets::lookup::test::test_synth ... ok
[INFO] [stdout] test gadgets::boolean::test::test_boolean_sha256_ch ... ok
[INFO] [stdout] test gadgets::lookup::test::test_lookup3_xy_with_conditional_negation ... ok
[INFO] [stdout] test gadgets::num::test::test_num_multiplication ... ok
[INFO] [stdout] test gadgets::num::test::test_num_nonzero ... ok
[INFO] [stdout] test gadgets::num::test::test_num_conditional_reversal ... ok
[INFO] [stdout] test gadgets::num::test::test_num_scale ... ok
[INFO] [stdout] test gadgets::num::test::test_num_squaring ... ok
[INFO] [stdout] test gadgets::num::test::test_into_bits_strict ... ok
[INFO] [stdout] test domain::fft_composition ... ok
[INFO] [stdout] test gadgets::test::test_cs ... ok
[INFO] [stdout] test gadgets::blake2s::test::test_blake2s_constant_constraints ... ok
[INFO] [stdout] test domain::parallel_fft_consistency ... ok
[INFO] [stdout] test gadgets::uint32::test::test_uint32_from_bits ... ok
[INFO] [stdout] test gadgets::uint32::test::test_uint32_from_bits_be ... ok
[INFO] [stdout] test gadgets::uint32::test::test_uint32_rotr ... ok
[INFO] [stdout] test gadgets::blake2s::test::test_blank_hash ... ok
[INFO] [stdout] test gadgets::uint32::test::test_uint32_addmany_constants ... ok
[INFO] [stdout] test gadgets::uint32::test::test_uint32_shr ... ok
[INFO] [stdout] test gadgets::sha256::test::test_blank_hash ... ok
[INFO] [stdout] test gadgets::blake2s::test::test_blake2s_constraints ... ok
[INFO] [stdout] test gadgets::blake2s::test::test_blake2s_precomp_constraints ... ok
[INFO] [stdout] test gadgets::sha256::test::test_full_block ... ok
[INFO] [stdout] test groth16::proof::test_with_bls12_381::test_size ... ok
[INFO] [stdout] test groth16::prover::tests::test_proving_assignment_extend ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/bellperson/c0d1f445136752b2/deps/bellperson-c0d1f445136752b2` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "5c3f7409b714d025d55315beb082dc4e8251bdf706c18ff9a2b65d690031e348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3f7409b714d025d55315beb082dc4e8251bdf706c18ff9a2b65d690031e348", kill_on_drop: false }`
[INFO] [stdout] 5c3f7409b714d025d55315beb082dc4e8251bdf706c18ff9a2b65d690031e348
