[INFO] cloning repository https://github.com/amschel99/lamport-signatures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amschel99/lamport-signatures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famschel99%2Flamport-signatures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famschel99%2Flamport-signatures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5994fe02ba622ee7481fed5c1655b7f1f8cfefc7
[INFO] checking amschel99/lamport-signatures against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famschel99%2Flamport-signatures" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amschel99/lamport-signatures on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amschel99/lamport-signatures
[INFO] finished tweaking git repo https://github.com/amschel99/lamport-signatures
[INFO] tweaked toml for git repo https://github.com/amschel99/lamport-signatures written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/amschel99/lamport-signatures 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded to-binary v0.4.0
[INFO] [stderr]   Downloaded opaque-debug v0.3.1
[INFO] [stderr]   Downloaded num-integer v0.1.46
[INFO] [stderr]   Downloaded sha256 v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a792297920a9e2394639433196ac9bfdf6504b611ea538113eaea024863e699
[INFO] running `Command { std: "docker" "start" "-a" "6a792297920a9e2394639433196ac9bfdf6504b611ea538113eaea024863e699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a792297920a9e2394639433196ac9bfdf6504b611ea538113eaea024863e699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a792297920a9e2394639433196ac9bfdf6504b611ea538113eaea024863e699", kill_on_drop: false }`
[INFO] [stdout] 6a792297920a9e2394639433196ac9bfdf6504b611ea538113eaea024863e699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f90874de589281b686a8184ab1705b80f9674193fff3c94936763f2174075f5a
[INFO] running `Command { std: "docker" "start" "-a" "f90874de589281b686a8184ab1705b80f9674193fff3c94936763f2174075f5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking to-binary v0.4.0
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sha256 v1.5.0
[INFO] [stderr]     Checking lsig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/signature/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hex;
[INFO] [stdout]   |     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_SIZE` is never used
[INFO] [stdout]  --> src/signature/mod.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const KEY_SIZE: usize = 256;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_ELEMENT_SIZE` is never used
[INFO] [stdout]  --> src/signature/mod.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const KEY_ELEMENT_SIZE: usize = 32;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_string` is never used
[INFO] [stdout]  --> src/signature/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn random_string() -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrivateKey` is never constructed
[INFO] [stdout]   --> src/signature/mod.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct PrivateKey {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PublicKey` is never constructed
[INFO] [stdout]   --> src/signature/mod.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct PublicKey {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Signature` is never constructed
[INFO] [stdout]   --> src/signature/mod.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Signature {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_key` is never used
[INFO] [stdout]   --> src/signature/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl PrivateKey {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 26 |     pub fn get_key(&self, i: usize) -> (String, String) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_key` is never used
[INFO] [stdout]   --> src/signature/mod.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl PublicKey {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 32 |     pub fn get_key(&self, i: usize) -> (String, String) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_key` is never used
[INFO] [stdout]   --> src/signature/mod.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Signature {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 38 |     pub fn get_key(&self, i: usize) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_private_key` is never used
[INFO] [stdout]   --> src/signature/mod.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn random_private_key() -> PrivateKey {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash` is never used
[INFO] [stdout]   --> src/signature/mod.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn hash(str: &str) -> String {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_public_key` is never used
[INFO] [stdout]   --> src/signature/mod.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn create_public_key(private_key: &PrivateKey) -> PublicKey {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_to_binary_array` is never used
[INFO] [stdout]   --> src/signature/mod.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn hash_to_binary_array(hash_string: String) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sign` is never used
[INFO] [stdout]   --> src/signature/mod.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn sign(message_hash: String, private_key: &PrivateKey) -> Signature {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verify` is never used
[INFO] [stdout]    --> src/signature/mod.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn verify(message_hash: String, signature: &Signature, public_key: &PublicKey) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "f90874de589281b686a8184ab1705b80f9674193fff3c94936763f2174075f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90874de589281b686a8184ab1705b80f9674193fff3c94936763f2174075f5a", kill_on_drop: false }`
[INFO] [stdout] f90874de589281b686a8184ab1705b80f9674193fff3c94936763f2174075f5a