[INFO] cloning repository https://github.com/rmeissner/simple-relayer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmeissner/simple-relayer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmeissner%2Fsimple-relayer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmeissner%2Fsimple-relayer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f6c1e7ba13500fdb3e3bd7ad76f2720aa3c9cea
[INFO] checking rmeissner/simple-relayer against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmeissner%2Fsimple-relayer" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rmeissner/simple-relayer on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rmeissner/simple-relayer
[INFO] finished tweaking git repo https://github.com/rmeissner/simple-relayer
[INFO] tweaked toml for git repo https://github.com/rmeissner/simple-relayer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rmeissner/simple-relayer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2623c1b861f7f655d0e03a892f47b833f86af299f43fc2cc417a480aca454352
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2623c1b861f7f655d0e03a892f47b833f86af299f43fc2cc417a480aca454352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2623c1b861f7f655d0e03a892f47b833f86af299f43fc2cc417a480aca454352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2623c1b861f7f655d0e03a892f47b833f86af299f43fc2cc417a480aca454352", kill_on_drop: false }`
[INFO] [stdout] 2623c1b861f7f655d0e03a892f47b833f86af299f43fc2cc417a480aca454352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d105ed6d821b995062581588e55c8f617e842fc2ef2b7e898fddd34700b5a6d0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d105ed6d821b995062581588e55c8f617e842fc2ef2b7e898fddd34700b5a6d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling zeroize v1.1.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking ethabi-contract v11.0.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling rocket_codegen v0.4.5
[INFO] [stderr]    Compiling rocket v0.4.5
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling uint v0.8.5
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling universal-hash v0.3.0
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling aead v0.2.0
[INFO] [stderr]     Checking secp256k1 v0.19.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling aes-soft v0.3.3
[INFO] [stderr]    Compiling polyval v0.3.3
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]    Compiling ghash v0.2.3
[INFO] [stderr]    Compiling hkdf v0.8.0
[INFO] [stderr]    Compiling aes v0.3.2
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]    Compiling aes-gcm v0.5.0
[INFO] [stderr]     Checking cookie v0.11.3
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling dotenv_codegen_implementation v0.15.0
[INFO] [stderr]    Compiling mockall_derive v0.7.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling pear v0.1.4
[INFO] [stderr]     Checking rocket_http v0.4.5
[INFO] [stderr]     Checking dotenv_codegen v0.15.0
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking mockall v0.7.2
[INFO] [stderr]     Checking watchexec v1.14.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking parity-scale-codec v1.3.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking ethbloom v0.9.2
[INFO] [stderr]     Checking jsonrpc-core v15.1.0
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking cargo-watch v7.5.0
[INFO] [stderr]     Checking rocket_contrib v0.4.5
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.7.2
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking ethereum-types v0.9.2
[INFO] [stderr]     Checking ethabi v12.0.0
[INFO] [stderr]    Compiling ethabi-derive v12.0.0
[INFO] [stderr]     Checking simple-relayer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `key` in this scope
[INFO] [stdout]    --> src/providers/ethereum/key.rs:179:23
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let mut key = key!("0x0102030405060708091011121314151617181920212223242526272829303132");
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `addr` in this scope
[INFO] [stdout]    --> src/providers/ethereum/key.rs:172:23
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let address = addr!("0x2c7536E3605D9C16a7a3D7b1898e529396a65c23");
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `key` in this scope
[INFO] [stdout]    --> src/providers/ethereum/key.rs:171:19
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let key = key!("0x4c0883a69102937d6231471b5dbb6204fe5129617082792ae468d01a3f362318");
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]  --> src/routes/about.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn info(context: Context) -> Result<Json<String>> {
[INFO] [stdout]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `zeroize::Zeroize`
[INFO] [stdout]    --> src/providers/ethereum/key.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     use zeroize::Zeroize;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-relayer`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function is never used: `scheme`
[INFO] [stdout]   --> src/config/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn scheme() -> String {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `usize_with_default`
[INFO] [stdout]   --> src/config/mod.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn usize_with_default(key: &str, default: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `uri`
[INFO] [stdout]   --> src/utils/context.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn uri(&self) -> String {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `build_absolute_url`
[INFO] [stdout]   --> src/utils/context.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn build_absolute_url(&self, origin: Origin) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `host`
[INFO] [stdout]   --> src/utils/context.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn host(&self) -> Option<String> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_deserialize`
[INFO] [stdout]  --> src/utils/json.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn try_deserialize<'de, D, T>(deserializer: D) -> Result<Option<T>, D::Error>
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex_hash`
[INFO] [stdout]  --> src/utils/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn hex_hash<T: Hash>(t: &T) -> String {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `H32`
[INFO] [stdout]   --> src/providers/ethereum/hash.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub type H32 = [u8; 4];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function_selector`
[INFO] [stdout]   --> src/providers/ethereum/hash.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn function_selector<S>(signature: S) -> H32
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_raw`
[INFO] [stdout]   --> src/providers/ethereum/key.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn from_raw(raw: [u8; 32]) -> Result<Self, InvalidPrivateKey> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_slice`
[INFO] [stdout]   --> src/providers/ethereum/key.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn from_slice<B: AsRef<[u8]>>(raw: B) -> Result<Self, InvalidPrivateKey> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d105ed6d821b995062581588e55c8f617e842fc2ef2b7e898fddd34700b5a6d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d105ed6d821b995062581588e55c8f617e842fc2ef2b7e898fddd34700b5a6d0", kill_on_drop: false }`
[INFO] [stdout] d105ed6d821b995062581588e55c8f617e842fc2ef2b7e898fddd34700b5a6d0