[INFO] cloning repository https://github.com/WestSeamoon/cmec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WestSeamoon/cmec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWestSeamoon%2Fcmec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWestSeamoon%2Fcmec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7962e5b2433bc75e3e6df82091445d71088a1831
[INFO] checking WestSeamoon/cmec against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWestSeamoon%2Fcmec" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/WestSeamoon/cmec
[INFO] finished tweaking git repo https://github.com/WestSeamoon/cmec
[INFO] tweaked toml for git repo https://github.com/WestSeamoon/cmec written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/WestSeamoon/cmec on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/WestSeamoon/cmec 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "d0f8c9a671875760ea4774e6ecd847e6207f7cd9742dcda35164487ab7884869", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "d3a0a5e8be4ca5091c8dab2b0d649e1a9cb2af41c4fdc32229987f055e72438c", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `AUX_TAG` and `NONCE_TAG`
[INFO] [stdout]  --> k256/src/sm2/sign.rs:1:66
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{tagged_hash, Signature, pre_Signature, VerifyingKey, AUX_TAG, CHALLENGE_TAG, NONCE_TAG};
[INFO] [stdout]   |                                                                  ^^^^^^^                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arithmetic::FieldElement`
[INFO] [stdout]  --> k256/src/sm2/sign.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{arithmetic::FieldElement, AffinePoint, FieldBytes, NonZeroScalar, ProjectivePoint, PublicKey, Scalar};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DigestSigner`, `FixedOutput`, `RandomizedDigestSigner`, `RandomizedSigner`, `Signer`, and `consts::U32`
[INFO] [stdout]  --> k256/src/sm2/sign.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     digest::{consts::U32, FixedOutput},
[INFO] [stdout]   |              ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 5 |     DigestSigner, Error, RandomizedDigestSigner, RandomizedSigner, Result, Signer,
[INFO] [stdout]   |     ^^^^^^^^^^^^         ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sha256`
[INFO] [stdout]   --> k256/src/sm2/sign.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 | use sha2::{Digest, Sha256};
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DigestVerifier` and `Verifier`
[INFO] [stdout]  --> k256/src/sm2/verify.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ecdsa_core::signature::{DigestVerifier, Error, Result, Verifier};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FixedOutput`, `Sha256`, and `consts::U32`
[INFO] [stdout]   --> k256/src/sm2/verify.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     digest::{consts::U32, FixedOutput},
[INFO] [stdout]    |              ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 13 |     Digest, Sha256,
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FieldBytes`
[INFO] [stdout]   --> k256/src/sm2.rs:72:52
[INFO] [stdout]    |
[INFO] [stdout] 72 | use crate::{arithmetic::FieldElement, AffinePoint, FieldBytes, NonZeroScalar, Scalar};
[INFO] [stdout]    |                                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `pre_Signature` should have an upper camel case name
[INFO] [stdout]   --> k256/src/sm2.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub struct pre_Signature {
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PreSignature`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking sha-1 v0.10.0
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling derive_utils v0.11.2
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> k256/src/arithmetic/field.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> k256/src/arithmetic/field.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> k256/src/arithmetic/projective.rs:313:5
[INFO] [stdout]     |
[INFO] [stdout] 313 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> k256/src/arithmetic/scalar.rs:253:5
[INFO] [stdout]     |
[INFO] [stdout] 253 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> k256/src/arithmetic/scalar.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 258 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]    Compiling mysql v22.2.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking saturating v0.1.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking lru v0.7.7
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking pem v1.0.2
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking blobby v0.3.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stdout] warning: constant `AUX_TAG` is never used
[INFO] [stdout]   --> k256/src/sm2.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 | const AUX_TAG: &[u8] = b"BIP0340/aux";
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NONCE_TAG` is never used
[INFO] [stdout]   --> k256/src/sm2.rs:82:7
[INFO] [stdout]    |
[INFO] [stdout] 82 | const NONCE_TAG: &[u8] = b"BIP0340/nonce";
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]    --> k256/src/sm2.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn pub_from_bytes(bytes:&[u8]) -> Result<Self> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> k256/src/lib.rs:9:9
[INFO] [stdout]     |
[INFO] [stdout]   9 | #![warn(missing_docs, rust_2018_idioms, unused_qualifications)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]    --> k256/src/sm2.rs:253:5
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn pub_from_bytes(bytes:&[u8]) -> Result<Self> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]    Compiling mysql_common v0.28.2
[INFO] [stdout] warning: unused imports: `AUX_TAG` and `NONCE_TAG`
[INFO] [stdout]  --> k256/src/sm2/sign.rs:1:66
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{tagged_hash, Signature, pre_Signature, VerifyingKey, AUX_TAG, CHALLENGE_TAG, NONCE_TAG};
[INFO] [stdout]   |                                                                  ^^^^^^^                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arithmetic::FieldElement`
[INFO] [stdout]  --> k256/src/sm2/sign.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{arithmetic::FieldElement, AffinePoint, FieldBytes, NonZeroScalar, ProjectivePoint, PublicKey, Scalar};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DigestSigner`, `FixedOutput`, `RandomizedDigestSigner`, `RandomizedSigner`, `Signer`, and `consts::U32`
[INFO] [stdout]  --> k256/src/sm2/sign.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     digest::{consts::U32, FixedOutput},
[INFO] [stdout]   |              ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 5 |     DigestSigner, Error, RandomizedDigestSigner, RandomizedSigner, Result, Signer,
[INFO] [stdout]   |     ^^^^^^^^^^^^         ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sha256`
[INFO] [stdout]   --> k256/src/sm2/sign.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 | use sha2::{Digest, Sha256};
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DigestVerifier` and `Verifier`
[INFO] [stdout]  --> k256/src/sm2/verify.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ecdsa_core::signature::{DigestVerifier, Error, Result, Verifier};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FixedOutput`, `Sha256`, and `consts::U32`
[INFO] [stdout]   --> k256/src/sm2/verify.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     digest::{consts::U32, FixedOutput},
[INFO] [stdout]    |              ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 13 |     Digest, Sha256,
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FieldBytes`
[INFO] [stdout]   --> k256/src/sm2.rs:72:52
[INFO] [stdout]    |
[INFO] [stdout] 72 | use crate::{arithmetic::FieldElement, AffinePoint, FieldBytes, NonZeroScalar, Scalar};
[INFO] [stdout]    |                                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `pre_Signature` should have an upper camel case name
[INFO] [stdout]   --> k256/src/sm2.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub struct pre_Signature {
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PreSignature`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Scalar`
[INFO] [stdout]    --> k256/src/sm2.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |     use crate::Scalar;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> k256/src/arithmetic/field.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> k256/src/arithmetic/field.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> k256/src/arithmetic/projective.rs:313:5
[INFO] [stdout]     |
[INFO] [stdout] 313 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> k256/src/arithmetic/scalar.rs:253:5
[INFO] [stdout]     |
[INFO] [stdout] 253 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> k256/src/arithmetic/scalar.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 258 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `AUX_TAG` is never used
[INFO] [stdout]   --> k256/src/sm2.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 | const AUX_TAG: &[u8] = b"BIP0340/aux";
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NONCE_TAG` is never used
[INFO] [stdout]   --> k256/src/sm2.rs:82:7
[INFO] [stdout]    |
[INFO] [stdout] 82 | const NONCE_TAG: &[u8] = b"BIP0340/nonce";
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]    --> k256/src/sm2.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn pub_from_bytes(bytes:&[u8]) -> Result<Self> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> k256/src/lib.rs:9:9
[INFO] [stdout]     |
[INFO] [stdout]   9 | #![warn(missing_docs, rust_2018_idioms, unused_qualifications)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]    --> k256/src/sm2.rs:253:5
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn pub_from_bytes(bytes:&[u8]) -> Result<Self> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking adapt_sign v0.1.0 (/opt/rustwide/workdir/adapt_sign)
[INFO] [stdout] warning: unused imports: `CryptoRng` and `RngCore`
[INFO] [stdout]  --> adapt_sign/src/main.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use elliptic_curve::rand_core::{CryptoRng, RngCore, OsRng};
[INFO] [stdout]   |                                 ^^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CryptoRng` and `RngCore`
[INFO] [stdout]  --> adapt_sign/src/main.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use elliptic_curve::rand_core::{CryptoRng, RngCore, OsRng};
[INFO] [stdout]   |                                 ^^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 32.80s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5, openssl v0.10.41
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "d3a0a5e8be4ca5091c8dab2b0d649e1a9cb2af41c4fdc32229987f055e72438c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a0a5e8be4ca5091c8dab2b0d649e1a9cb2af41c4fdc32229987f055e72438c", kill_on_drop: false }`
[INFO] [stdout] d3a0a5e8be4ca5091c8dab2b0d649e1a9cb2af41c4fdc32229987f055e72438c
