[INFO] fetching crate core-crypto 0.1.1-alpha.2...
[INFO] checking core-crypto-0.1.1-alpha.2 against try#fceb2de603f0807f9049222f3f612ed51ed8f9dc for pr-157576
[INFO] extracting crate core-crypto 0.1.1-alpha.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate core-crypto 0.1.1-alpha.2
[INFO] finished tweaking crates.io crate core-crypto 0.1.1-alpha.2
[INFO] tweaked toml for crates.io crate core-crypto 0.1.1-alpha.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate core-crypto 0.1.1-alpha.2 on toolchain fceb2de603f0807f9049222f3f612ed51ed8f9dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "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" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 73 packages to latest compatible versions
[INFO] [stderr]       Adding bip39 v1.2.0 (available: v2.2.2)
[INFO] [stderr]       Adding curve25519-dalek v3.2.1 (available: v4.1.3)
[INFO] [stderr]       Adding ed25519-dalek v1.0.1 (available: v2.2.0)
[INFO] [stderr]       Adding fixed-hash v0.3.2 (available: v0.8.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.1)
[INFO] [stderr]       Adding sha3 v0.9.1 (available: v0.12.0)
[INFO] [stderr]       Adding signature v1.6.4 (available: v3.0.0)
[INFO] [stderr]       Adding unicode-normalization v0.1.9 (available: v0.1.25)
[INFO] [stderr]       Adding zeroize v1.3.0 (available: v1.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dbfb9c615c9d62e0de34a458fac0f41f85a8e27790a2ccdddca30e0e3bc0fa7e
[INFO] running `Command { std: "docker" "start" "dbfb9c615c9d62e0de34a458fac0f41f85a8e27790a2ccdddca30e0e3bc0fa7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dbfb9c615c9d62e0de34a458fac0f41f85a8e27790a2ccdddca30e0e3bc0fa7e" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbfb9c615c9d62e0de34a458fac0f41f85a8e27790a2ccdddca30e0e3bc0fa7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dbfb9c615c9d62e0de34a458fac0f41f85a8e27790a2ccdddca30e0e3bc0fa7e" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking typenum v1.20.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling zerocopy v0.8.52
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking memchr v2.8.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking keccak v0.1.6
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.5.0
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking core-crypto v0.1.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]   --> src/hashes.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / construct_fixed_hash! {
[INFO] [stdout] 15 | |     /// 256 bit hash type.
[INFO] [stdout] 16 | |     pub struct H256(KEY_BYTES_SIZE);
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `bip39`, `default`, `serde`, `serde_bytes`, `serde_crate`, and `with_mnemonic`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `construct_fixed_hash` crate for guidance on how handle this unexpected cfg
[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]    = note: this warning originates in the macro `construct_fixed_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]   --> src/hashes.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / construct_fixed_hash! {
[INFO] [stdout] 20 | |     /// 512 bit hash type.
[INFO] [stdout] 21 | |     pub struct H512(KEYPAIR_LENGTH);
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `bip39`, `default`, `serde`, `serde_bytes`, `serde_crate`, and `with_mnemonic`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `construct_fixed_hash` crate for guidance on how handle this unexpected cfg
[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: this warning originates in the macro `construct_fixed_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]   --> src/private_key.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / construct_fixed_hash! {
[INFO] [stdout] 21 | |     /// 256 bit hash type.
[INFO] [stdout] 22 | |     pub struct PrivateKey(KEY_BYTES_SIZE);
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `bip39`, `default`, `serde`, `serde_bytes`, `serde_crate`, and `with_mnemonic`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `construct_fixed_hash` crate for guidance on how handle this unexpected cfg
[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: this warning originates in the macro `construct_fixed_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]   --> src/public_key.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / construct_fixed_hash! {
[INFO] [stdout] 19 | |     /// 256 bit hash type.
[INFO] [stdout] 20 | |     pub struct PublicKey(KEY_BYTES_SIZE);
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `bip39`, `default`, `serde`, `serde_bytes`, `serde_crate`, and `with_mnemonic`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `construct_fixed_hash` crate for guidance on how handle this unexpected cfg
[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: this warning originates in the macro `construct_fixed_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]   --> src/signature.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / construct_fixed_hash! {
[INFO] [stdout] 12 | |     /// 512 bit hash type.
[INFO] [stdout] 13 | |     pub struct Signature(SIGNATURE_LENGTH);
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `bip39`, `default`, `serde`, `serde_bytes`, `serde_crate`, and `with_mnemonic`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `construct_fixed_hash` crate for guidance on how handle this unexpected cfg
[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: this warning originates in the macro `construct_fixed_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]   --> src/hashes.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / construct_fixed_hash! {
[INFO] [stdout] 15 | |     /// 256 bit hash type.
[INFO] [stdout] 16 | |     pub struct H256(KEY_BYTES_SIZE);
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `bip39`, `default`, `serde`, `serde_bytes`, `serde_crate`, and `with_mnemonic`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `construct_fixed_hash` crate for guidance on how handle this unexpected cfg
[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]    = note: this warning originates in the macro `construct_fixed_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]   --> src/hashes.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / construct_fixed_hash! {
[INFO] [stdout] 20 | |     /// 512 bit hash type.
[INFO] [stdout] 21 | |     pub struct H512(KEYPAIR_LENGTH);
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `bip39`, `default`, `serde`, `serde_bytes`, `serde_crate`, and `with_mnemonic`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `construct_fixed_hash` crate for guidance on how handle this unexpected cfg
[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: this warning originates in the macro `construct_fixed_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]   --> src/private_key.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / construct_fixed_hash! {
[INFO] [stdout] 21 | |     /// 256 bit hash type.
[INFO] [stdout] 22 | |     pub struct PrivateKey(KEY_BYTES_SIZE);
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `bip39`, `default`, `serde`, `serde_bytes`, `serde_crate`, and `with_mnemonic`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `construct_fixed_hash` crate for guidance on how handle this unexpected cfg
[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: this warning originates in the macro `construct_fixed_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]   --> src/public_key.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / construct_fixed_hash! {
[INFO] [stdout] 19 | |     /// 256 bit hash type.
[INFO] [stdout] 20 | |     pub struct PublicKey(KEY_BYTES_SIZE);
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `bip39`, `default`, `serde`, `serde_bytes`, `serde_crate`, and `with_mnemonic`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `construct_fixed_hash` crate for guidance on how handle this unexpected cfg
[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: this warning originates in the macro `construct_fixed_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]   --> src/signature.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / construct_fixed_hash! {
[INFO] [stdout] 12 | |     /// 512 bit hash type.
[INFO] [stdout] 13 | |     pub struct Signature(SIGNATURE_LENGTH);
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `bip39`, `default`, `serde`, `serde_bytes`, `serde_crate`, and `with_mnemonic`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `construct_fixed_hash` crate for guidance on how handle this unexpected cfg
[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: this warning originates in the macro `construct_fixed_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `curve25519::digest::generic_array::GenericArray::<T, N>::as_slice`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/block_cipher.rs:53:44
[INFO] [stdout]    |
[INFO] [stdout] 53 |     sk_hash_fix.assign_from_slice(&sk_hash.as_slice()[0..32]);
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `curve25519::digest::generic_array::GenericArray::<T, N>::as_slice`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/block_cipher.rs:53:44
[INFO] [stdout]    |
[INFO] [stdout] 53 |     sk_hash_fix.assign_from_slice(&sk_hash.as_slice()[0..32]);
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/hashes.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / construct_fixed_hash! {
[INFO] [stdout] 15 | |     /// 256 bit hash type.
[INFO] [stdout] 16 | |     pub struct H256(KEY_BYTES_SIZE);
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 | let _ = construct_fixed_hash! {
[INFO] [stdout]    | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/hashes.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / construct_fixed_hash! {
[INFO] [stdout] 20 | |     /// 512 bit hash type.
[INFO] [stdout] 21 | |     pub struct H512(KEYPAIR_LENGTH);
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 | let _ = construct_fixed_hash! {
[INFO] [stdout]    | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/private_key.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / construct_fixed_hash! {
[INFO] [stdout] 21 | |     /// 256 bit hash type.
[INFO] [stdout] 22 | |     pub struct PrivateKey(KEY_BYTES_SIZE);
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 | let _ = construct_fixed_hash! {
[INFO] [stdout]    | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/public_key.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / construct_fixed_hash! {
[INFO] [stdout] 19 | |     /// 256 bit hash type.
[INFO] [stdout] 20 | |     pub struct PublicKey(KEY_BYTES_SIZE);
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 | let _ = construct_fixed_hash! {
[INFO] [stdout]    | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/signature.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / construct_fixed_hash! {
[INFO] [stdout] 12 | |     /// 512 bit hash type.
[INFO] [stdout] 13 | |     pub struct Signature(SIGNATURE_LENGTH);
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 11 | let _ = construct_fixed_hash! {
[INFO] [stdout]    | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/hashes.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / construct_fixed_hash! {
[INFO] [stdout] 15 | |     /// 256 bit hash type.
[INFO] [stdout] 16 | |     pub struct H256(KEY_BYTES_SIZE);
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 | let _ = construct_fixed_hash! {
[INFO] [stdout]    | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/hashes.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / construct_fixed_hash! {
[INFO] [stdout] 20 | |     /// 512 bit hash type.
[INFO] [stdout] 21 | |     pub struct H512(KEYPAIR_LENGTH);
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 | let _ = construct_fixed_hash! {
[INFO] [stdout]    | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/private_key.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / construct_fixed_hash! {
[INFO] [stdout] 21 | |     /// 256 bit hash type.
[INFO] [stdout] 22 | |     pub struct PrivateKey(KEY_BYTES_SIZE);
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 | let _ = construct_fixed_hash! {
[INFO] [stdout]    | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/public_key.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / construct_fixed_hash! {
[INFO] [stdout] 19 | |     /// 256 bit hash type.
[INFO] [stdout] 20 | |     pub struct PublicKey(KEY_BYTES_SIZE);
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 | let _ = construct_fixed_hash! {
[INFO] [stdout]    | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/signature.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / construct_fixed_hash! {
[INFO] [stdout] 12 | |     /// 512 bit hash type.
[INFO] [stdout] 13 | |     pub struct Signature(SIGNATURE_LENGTH);
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 11 | let _ = construct_fixed_hash! {
[INFO] [stdout]    | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.53s
[INFO] running `Command { std: "docker" "inspect" "dbfb9c615c9d62e0de34a458fac0f41f85a8e27790a2ccdddca30e0e3bc0fa7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbfb9c615c9d62e0de34a458fac0f41f85a8e27790a2ccdddca30e0e3bc0fa7e", kill_on_drop: false }`
[INFO] [stdout] dbfb9c615c9d62e0de34a458fac0f41f85a8e27790a2ccdddca30e0e3bc0fa7e
