[INFO] cloning repository https://github.com/jonashoyer/eth-address-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonashoyer/eth-address-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonashoyer%2Feth-address-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonashoyer%2Feth-address-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 384ff02869415445334d66ef2e2b4830ca62f634
[INFO] checking jonashoyer/eth-address-generator against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonashoyer%2Feth-address-generator" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jonashoyer/eth-address-generator
[INFO] finished tweaking git repo https://github.com/jonashoyer/eth-address-generator
[INFO] tweaked toml for git repo https://github.com/jonashoyer/eth-address-generator written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jonashoyer/eth-address-generator 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/jonashoyer/eth-address-generator 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 }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spki v0.7.2
[INFO] [stderr]   Downloaded ethsign v0.8.0
[INFO] [stderr]   Downloaded aes-ctr v0.6.0
[INFO] [stderr]   Downloaded salsa20 v0.7.2
[INFO] [stderr]   Downloaded signature v2.1.0
[INFO] [stderr]   Downloaded block-modes v0.7.0
[INFO] [stderr]   Downloaded pbkdf2 v0.6.0
[INFO] [stderr]   Downloaded scrypt v0.5.0
[INFO] [stderr]   Downloaded ripemd160 v0.9.1
[INFO] [stderr]   Downloaded parity-crypto v0.8.0
[INFO] [stderr]   Downloaded const-oid v0.9.4
[INFO] [stderr]   Downloaded libm v0.2.7
[INFO] [stderr]   Downloaded secp256k1 v0.25.0
[INFO] [stderr]   Downloaded der v0.7.7
[INFO] [stderr]   Downloaded rsa v0.9.2
[INFO] [stderr]   Downloaded secp256k1-sys v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 }`
[INFO] [stdout] f17f1607163ebf66a7fbdbdffdda83c210ec1a3027dbd2b72bedb513d8b7340a
[INFO] running `Command { std: "docker" "start" "-a" "f17f1607163ebf66a7fbdbdffdda83c210ec1a3027dbd2b72bedb513d8b7340a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f17f1607163ebf66a7fbdbdffdda83c210ec1a3027dbd2b72bedb513d8b7340a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f17f1607163ebf66a7fbdbdffdda83c210ec1a3027dbd2b72bedb513d8b7340a", kill_on_drop: false }`
[INFO] [stdout] f17f1607163ebf66a7fbdbdffdda83c210ec1a3027dbd2b72bedb513d8b7340a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 }`
[INFO] [stdout] 02a2cf14a3f4d16715986714de182e77843f0cb2da91235f6dd8806df59396d4
[INFO] running `Command { std: "docker" "start" "-a" "02a2cf14a3f4d16715986714de182e77843f0cb2da91235f6dd8806df59396d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]     Checking const-oid v0.9.4
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking der v0.7.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling secp256k1-sys v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking spki v0.7.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking block-modes v0.7.0
[INFO] [stderr]     Checking aes-ctr v0.6.0
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking pbkdf2 v0.6.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking scrypt v0.5.0
[INFO] [stderr]     Checking pkcs1 v0.7.5
[INFO] [stderr]     Checking signature v2.1.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking parity-crypto v0.8.0
[INFO] [stderr]     Checking rsa v0.9.2
[INFO] [stderr]     Checking secp256k1 v0.20.3
[INFO] [stderr]     Checking ethsign v0.8.0
[INFO] [stderr]     Checking secp256k1 v0.25.0
[INFO] [stderr]     Checking eth-address-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/main.rs:331:204
[INFO] [stdout]     |
[INFO] [stdout] 331 | ...> 3) || (HEAD_TAIL_LIST.iter().any(|&s| (addr.starts_with(s[0]) && addr.ends_with(s[1])))) {
[INFO] [stdout]     |                                            ^                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 331 -                 if count_leading_zeros(&addr) > 5 || is_numeric_string(&addr) || contains_only_hex_letters(&addr) || (contains_tail(&addr) && count_leading(&addr) > 3) || (HEAD_TAIL_LIST.iter().any(|&s| (addr.starts_with(s[0]) && addr.ends_with(s[1])))) {
[INFO] [stdout] 331 +                 if count_leading_zeros(&addr) > 5 || is_numeric_string(&addr) || contains_only_hex_letters(&addr) || (contains_tail(&addr) && count_leading(&addr) > 3) || (HEAD_TAIL_LIST.iter().any(|&s| addr.starts_with(s[0]) && addr.ends_with(s[1]) )) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/main.rs:331:204
[INFO] [stdout]     |
[INFO] [stdout] 331 | ...> 3) || (HEAD_TAIL_LIST.iter().any(|&s| (addr.starts_with(s[0]) && addr.ends_with(s[1])))) {
[INFO] [stdout]     |                                            ^                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 331 -                 if count_leading_zeros(&addr) > 5 || is_numeric_string(&addr) || contains_only_hex_letters(&addr) || (contains_tail(&addr) && count_leading(&addr) > 3) || (HEAD_TAIL_LIST.iter().any(|&s| (addr.starts_with(s[0]) && addr.ends_with(s[1])))) {
[INFO] [stdout] 331 +                 if count_leading_zeros(&addr) > 5 || is_numeric_string(&addr) || contains_only_hex_letters(&addr) || (contains_tail(&addr) && count_leading(&addr) > 3) || (HEAD_TAIL_LIST.iter().any(|&s| addr.starts_with(s[0]) && addr.ends_with(s[1]) )) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_address` is never used
[INFO] [stdout]   --> src/main.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn get_address(private_key: [u8; 32]) -> ([u8; 20], [u8; 32], [u8; 65]) {
[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 `WORD_LIST` is never used
[INFO] [stdout]   --> src/main.rs:65:7
[INFO] [stdout]    |
[INFO] [stdout] 65 | const WORD_LIST: &'static [&'static str] = &[
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `most_frequent_letter_count` is never used
[INFO] [stdout]    --> src/main.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn most_frequent_letter_count(s: &str) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 38.54s
[INFO] [stdout] warning: function `get_address` is never used
[INFO] [stdout]   --> src/main.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn get_address(private_key: [u8; 32]) -> ([u8; 20], [u8; 32], [u8; 65]) {
[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 `WORD_LIST` is never used
[INFO] [stdout]   --> src/main.rs:65:7
[INFO] [stdout]    |
[INFO] [stdout] 65 | const WORD_LIST: &'static [&'static str] = &[
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `most_frequent_letter_count` is never used
[INFO] [stdout]    --> src/main.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn most_frequent_letter_count(s: &str) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "02a2cf14a3f4d16715986714de182e77843f0cb2da91235f6dd8806df59396d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a2cf14a3f4d16715986714de182e77843f0cb2da91235f6dd8806df59396d4", kill_on_drop: false }`
[INFO] [stdout] 02a2cf14a3f4d16715986714de182e77843f0cb2da91235f6dd8806df59396d4
