[INFO] fetching crate zcash_extensions 0.1.0...
[INFO] testing zcash_extensions-0.1.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate zcash_extensions 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate zcash_extensions 0.1.0
[INFO] finished tweaking crates.io crate zcash_extensions 0.1.0
[INFO] tweaked toml for crates.io crate zcash_extensions 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zcash_extensions 0.1.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 122 packages to latest compatible versions
[INFO] [stderr]       Adding base64ct v1.0.1 (available: v1.8.3)
[INFO] [stderr]       Adding equihash v0.2.0 (available: v0.2.2)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding orchard v0.8.0 (available: v0.13.1)
[INFO] [stderr]       Adding rand_core v0.6.4 (available: v0.10.1)
[INFO] [stderr]       Adding sapling-crypto v0.1.3 (available: v0.7.0)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding zcash_address v0.3.2 (available: v0.11.0)
[INFO] [stderr]       Adding zcash_encoding v0.2.1 (available: v0.2.2)
[INFO] [stderr]       Adding zcash_primitives v0.15.1 (available: v0.27.1)
[INFO] [stderr]       Adding zcash_proofs v0.15.0 (available: v0.27.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a318d582c1df08fdad2fa15274e7b9d645e08860a6c8acbccd4785d519a88d7
[INFO] running `Command { std: "docker" "start" "-a" "7a318d582c1df08fdad2fa15274e7b9d645e08860a6c8acbccd4785d519a88d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a318d582c1df08fdad2fa15274e7b9d645e08860a6c8acbccd4785d519a88d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a318d582c1df08fdad2fa15274e7b9d645e08860a6c8acbccd4785d519a88d7", kill_on_drop: false }`
[INFO] [stdout] 7a318d582c1df08fdad2fa15274e7b9d645e08860a6c8acbccd4785d519a88d7
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7c629fce0227a041704764c5689fa4315734aaead65e6f961b4f49112058717
[INFO] running `Command { std: "docker" "start" "-a" "c7c629fce0227a041704764c5689fa4315734aaead65e6f961b4f49112058717", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling nonempty v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling constant_time_eq v0.4.2
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling memuse v0.2.2
[INFO] [stderr]    Compiling blake2b_simd v1.0.4
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling pairing v0.23.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling bls12_381 v0.8.0
[INFO] [stderr]    Compiling base64ct v1.0.1
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling pasta_curves v0.5.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
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[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling poly1305 v0.8.0
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling jubjub v0.10.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling zcash_spec v0.1.2
[INFO] [stderr]    Compiling halo2_legacy_pdqsort v0.1.0
[INFO] [stderr]    Compiling zip32 v0.1.3
[INFO] [stderr]    Compiling sinsemilla v0.1.0
[INFO] [stderr]    Compiling halo2_poseidon v0.1.0
[INFO] [stderr]    Compiling password-hash v0.3.2
[INFO] [stderr]    Compiling tinyvec v1.11.0
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling incrementalmerkletree v0.5.1
[INFO] [stderr]    Compiling blake2s_simd v1.0.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling pbkdf2 v0.10.1
[INFO] [stderr]    Compiling zcash_protocol v0.1.1
[INFO] [stderr]    Compiling bs58 v0.5.1
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling f4jumble v0.1.1
[INFO] [stderr]    Compiling zcash_encoding v0.2.1
[INFO] [stderr]    Compiling bech32 v0.9.1
[INFO] [stderr]    Compiling equihash v0.2.0
[INFO] [stderr]    Compiling zcash_address v0.3.2
[INFO] [stderr]    Compiling bellman v0.14.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling bip0039 v0.10.1
[INFO] [stderr]    Compiling chacha20 v0.9.1
[INFO] [stderr]    Compiling cbc v0.1.2
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling fpe v0.6.1
[INFO] [stderr]    Compiling chacha20poly1305 v0.10.1
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling zcash_note_encryption v0.4.1
[INFO] [stderr]    Compiling halo2_proofs v0.3.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling reddsa v0.5.1
[INFO] [stderr]    Compiling redjubjub v0.7.0
[INFO] [stderr]    Compiling sapling-crypto v0.1.3
[INFO] [stderr]    Compiling halo2_gadgets v0.3.1
[INFO] [stderr]    Compiling orchard v0.8.0
[INFO] [stderr]    Compiling zcash_primitives v0.15.1
[INFO] [stderr]    Compiling zcash_extensions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `zcash_unstable`
[INFO] [stdout]  --> src/lib.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(zcash_unstable = "zfuture")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(zcash_unstable, values("zfuture"))'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(zcash_unstable, values(\"zfuture\"))");` to the top of the `build.rs`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `zcash_unstable`
[INFO] [stdout]   --> src/lib.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg(zcash_unstable = "zfuture")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(zcash_unstable, values("zfuture"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(zcash_unstable, values(\"zfuture\"))");` to the top of the `build.rs`
[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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.14s
[INFO] running `Command { std: "docker" "inspect" "c7c629fce0227a041704764c5689fa4315734aaead65e6f961b4f49112058717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c629fce0227a041704764c5689fa4315734aaead65e6f961b4f49112058717", kill_on_drop: false }`
[INFO] [stdout] c7c629fce0227a041704764c5689fa4315734aaead65e6f961b4f49112058717
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54c240287e04ff945e4f86090418c8edaaf822ccaa742748d5da7bc48cee869b
[INFO] running `Command { std: "docker" "start" "-a" "54c240287e04ff945e4f86090418c8edaaf822ccaa742748d5da7bc48cee869b", kill_on_drop: false }`
[INFO] [stderr]    Compiling zcash_proofs v0.15.0
[INFO] [stdout] warning: unexpected `cfg` condition name: `zcash_unstable`
[INFO] [stdout]  --> src/lib.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(zcash_unstable = "zfuture")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(zcash_unstable, values("zfuture"))'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(zcash_unstable, values(\"zfuture\"))");` to the top of the `build.rs`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `zcash_unstable`
[INFO] [stdout]   --> src/lib.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg(zcash_unstable = "zfuture")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(zcash_unstable, values("zfuture"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(zcash_unstable, values(\"zfuture\"))");` to the top of the `build.rs`
[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] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zcash_extensions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `zcash_unstable`
[INFO] [stdout]  --> src/lib.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(zcash_unstable = "zfuture")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(zcash_unstable, values("zfuture"))'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(zcash_unstable, values(\"zfuture\"))");` to the top of the `build.rs`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `zcash_unstable`
[INFO] [stdout]   --> src/lib.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg(zcash_unstable = "zfuture")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(zcash_unstable, values("zfuture"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(zcash_unstable, values(\"zfuture\"))");` to the top of the `build.rs`
[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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "54c240287e04ff945e4f86090418c8edaaf822ccaa742748d5da7bc48cee869b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c240287e04ff945e4f86090418c8edaaf822ccaa742748d5da7bc48cee869b", kill_on_drop: false }`
[INFO] [stdout] 54c240287e04ff945e4f86090418c8edaaf822ccaa742748d5da7bc48cee869b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d7f21ec4acb3b26308a9482e803fb74ddd3bc3efecf9b401d5993bda52b10c7
[INFO] running `Command { std: "docker" "start" "-a" "9d7f21ec4acb3b26308a9482e803fb74ddd3bc3efecf9b401d5993bda52b10c7", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `zcash_unstable`
[INFO] [stderr]  --> src/lib.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[cfg(zcash_unstable = "zfuture")]
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stderr]   = help: consider using a Cargo feature instead
[INFO] [stderr]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]            [lints.rust]
[INFO] [stderr]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(zcash_unstable, values("zfuture"))'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(zcash_unstable, values(\"zfuture\"))");` to the top of the `build.rs`
[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] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `zcash_unstable`
[INFO] [stderr]   --> src/lib.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[cfg(zcash_unstable = "zfuture")]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(zcash_unstable, values("zfuture"))'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(zcash_unstable, values(\"zfuture\"))");` to the top of the `build.rs`
[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] 
[INFO] [stderr] warning: `zcash_extensions` (lib) generated 2 warnings
[INFO] [stderr] warning: `zcash_extensions` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zcash_extensions-85abd6fbf97c8fb5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zcash_extensions
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d7f21ec4acb3b26308a9482e803fb74ddd3bc3efecf9b401d5993bda52b10c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7f21ec4acb3b26308a9482e803fb74ddd3bc3efecf9b401d5993bda52b10c7", kill_on_drop: false }`
[INFO] [stdout] 9d7f21ec4acb3b26308a9482e803fb74ddd3bc3efecf9b401d5993bda52b10c7
