[INFO] cloning repository https://github.com/nagarajmanjunath/Ed25519_Keypairs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nagarajmanjunath/Ed25519_Keypairs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagarajmanjunath%2FEd25519_Keypairs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagarajmanjunath%2FEd25519_Keypairs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02d47ce22376e42bad512072bfa8773929aefd64
[INFO] checking nagarajmanjunath/Ed25519_Keypairs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagarajmanjunath%2FEd25519_Keypairs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nagarajmanjunath/Ed25519_Keypairs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nagarajmanjunath/Ed25519_Keypairs
[INFO] finished tweaking git repo https://github.com/nagarajmanjunath/Ed25519_Keypairs
[INFO] tweaked toml for git repo https://github.com/nagarajmanjunath/Ed25519_Keypairs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/nagarajmanjunath/Ed25519_Keypairs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cbf79bfed3b1bd56add886be6ab0f9c895a027d133b83309982a0fa8d50f010c
[INFO] running `Command { std: "docker" "start" "-a" "cbf79bfed3b1bd56add886be6ab0f9c895a027d133b83309982a0fa8d50f010c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbf79bfed3b1bd56add886be6ab0f9c895a027d133b83309982a0fa8d50f010c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbf79bfed3b1bd56add886be6ab0f9c895a027d133b83309982a0fa8d50f010c", kill_on_drop: false }`
[INFO] [stdout] cbf79bfed3b1bd56add886be6ab0f9c895a027d133b83309982a0fa8d50f010c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da29a2d149e34a731d9a7cd905d9f5fd9f972d671863487c98431db26a56a70a
[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" "da29a2d149e34a731d9a7cd905d9f5fd9f972d671863487c98431db26a56a70a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking ed25519 v1.0.2
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking bip39 v0.6.0-beta.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking ed25519_keypairs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Language`, `MnemonicType`, `Mnemonic`
[INFO] [stdout]  --> src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bip39::{Language, Mnemonic, MnemonicType};
[INFO] [stdout]   |             ^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Language`, `MnemonicType`, `Mnemonic`
[INFO] [stdout]  --> src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bip39::{Language, Mnemonic, MnemonicType};
[INFO] [stdout]   |             ^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mnemonic`
[INFO] [stdout]  --> src/main.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (kp, mnemonic) = Keypair::generate_with_seed();
[INFO] [stdout]   |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mnemonic`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `generate`
[INFO] [stdout]   --> src/keypairs.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn generate<R>(csprng: &mut R) -> Self
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/keypairs.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_bytes`
[INFO] [stdout]   --> src/keypairs.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn from_bytes(bytes: &[u8]) -> Result<Self, ed25519_dalek::SignatureError> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_bytes`
[INFO] [stdout]   --> src/keypairs.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn to_bytes(&self) -> [u8; 64] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `secret`
[INFO] [stdout]   --> src/keypairs.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn secret(&self) -> &ed25519_dalek::SecretKey {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_sign`
[INFO] [stdout]   --> src/keypairs.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn try_sign(
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_keypair`
[INFO] [stdout]   --> src/keypairs.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn read_keypair<R: Read>(reader: &mut R) -> Result<Keypair, Box<dyn error::Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_keypair_file`
[INFO] [stdout]   --> src/keypairs.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn read_keypair_file(path: &str) -> Result<Keypair, Box<dyn error::Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_keypair`
[INFO] [stdout]   --> src/keypairs.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn write_keypair<W: Write>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_keypair_file`
[INFO] [stdout]   --> src/keypairs.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn write_keypair_file(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `keypair_from_seed_phrase_and_passphrase`
[INFO] [stdout]    --> src/keypairs.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub fn keypair_from_seed_phrase_and_passphrase(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/address.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(bytes: [u8; LENGTH]) -> Address {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mnemonic`
[INFO] [stdout]  --> src/main.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (kp, mnemonic) = Keypair::generate_with_seed();
[INFO] [stdout]   |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mnemonic`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `generate`
[INFO] [stdout]   --> src/keypairs.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn generate<R>(csprng: &mut R) -> Self
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/keypairs.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_bytes`
[INFO] [stdout]   --> src/keypairs.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn from_bytes(bytes: &[u8]) -> Result<Self, ed25519_dalek::SignatureError> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_bytes`
[INFO] [stdout]   --> src/keypairs.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn to_bytes(&self) -> [u8; 64] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `secret`
[INFO] [stdout]   --> src/keypairs.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn secret(&self) -> &ed25519_dalek::SecretKey {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_sign`
[INFO] [stdout]   --> src/keypairs.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn try_sign(
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_keypair`
[INFO] [stdout]   --> src/keypairs.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn read_keypair<R: Read>(reader: &mut R) -> Result<Keypair, Box<dyn error::Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_keypair_file`
[INFO] [stdout]   --> src/keypairs.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn read_keypair_file(path: &str) -> Result<Keypair, Box<dyn error::Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_keypair`
[INFO] [stdout]   --> src/keypairs.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn write_keypair<W: Write>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_keypair_file`
[INFO] [stdout]   --> src/keypairs.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn write_keypair_file(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `keypair_from_seed_phrase_and_passphrase`
[INFO] [stdout]    --> src/keypairs.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub fn keypair_from_seed_phrase_and_passphrase(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/address.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(bytes: [u8; LENGTH]) -> Address {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.52s
[INFO] running `Command { std: "docker" "inspect" "da29a2d149e34a731d9a7cd905d9f5fd9f972d671863487c98431db26a56a70a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da29a2d149e34a731d9a7cd905d9f5fd9f972d671863487c98431db26a56a70a", kill_on_drop: false }`
[INFO] [stdout] da29a2d149e34a731d9a7cd905d9f5fd9f972d671863487c98431db26a56a70a