Oct 31 18:10:00.478 INFO checking werner/firstcoin against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 18:10:00.478 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +d7816399d50d407bbce1efe9dbadf8faaaf568fc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 31 18:10:01.124 INFO blam! 4934c65f3bd6b79967c4d49104bff92a0adc14ad67968074a41b0fa4d99b2440
Oct 31 18:10:01.133 INFO running `"docker" "start" "-a" "4934c65f3bd6b79967c4d49104bff92a0adc14ad67968074a41b0fa4d99b2440"`
Oct 31 18:10:02.597 INFO kablam! usermod: no changes
Oct 31 18:10:02.692 INFO kablam!    Compiling libc v0.2.36
Oct 31 18:10:02.708 INFO kablam!    Compiling scopeguard v0.3.3
Oct 31 18:10:02.708 INFO kablam!    Compiling either v1.4.0
Oct 31 18:10:02.708 INFO kablam!     Checking untrusted v0.5.1
Oct 31 18:10:02.708 INFO kablam!     Checking itertools v0.5.10
Oct 31 18:10:02.708 INFO kablam!     Checking rand v0.3.22
Oct 31 18:10:03.933 INFO kablam!    Compiling coco v0.1.1
Oct 31 18:10:06.237 INFO kablam!    Compiling rand v0.4.2
Oct 31 18:10:06.237 INFO kablam!    Compiling num_cpus v1.8.0
Oct 31 18:10:08.973 INFO kablam!     Checking parity-wordlist v1.2.0
Oct 31 18:10:11.552 INFO kablam!    Compiling rayon-core v1.3.0
Oct 31 18:10:13.867 INFO kablam!    Compiling rayon v0.8.2
Oct 31 18:10:16.901 INFO kablam!    Compiling ring v0.12.1
Oct 31 18:10:24.777 INFO kablam!     Checking firstcoin v0.1.0 (/source)
Oct 31 18:10:25.082 INFO kablam! warning: unused imports: `digest`, `signature`
Oct 31 18:10:25.082 INFO kablam!  --> src/wallet.rs:2:12
Oct 31 18:10:25.082 INFO kablam!   |
Oct 31 18:10:25.083 INFO kablam! 2 | use ring::{digest, signature, rand, agreement};
Oct 31 18:10:25.083 INFO kablam!   |            ^^^^^^  ^^^^^^^^^
Oct 31 18:10:25.083 INFO kablam!   |
Oct 31 18:10:25.083 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 18:10:25.084 INFO kablam! 
Oct 31 18:10:25.128 INFO kablam! warning: unused imports: `digest`, `signature`
Oct 31 18:10:25.129 INFO kablam!  --> src/wallet.rs:2:12
Oct 31 18:10:25.129 INFO kablam!   |
Oct 31 18:10:25.129 INFO kablam! 2 | use ring::{digest, signature, rand, agreement};
Oct 31 18:10:25.129 INFO kablam!   |            ^^^^^^  ^^^^^^^^^
Oct 31 18:10:25.130 INFO kablam!   |
Oct 31 18:10:25.130 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 18:10:25.130 INFO kablam! 
Oct 31 18:10:25.290 INFO kablam! warning: function is never used: `generate_hash`
Oct 31 18:10:25.291 INFO kablam!  --> src/string_utils.rs:9:1
Oct 31 18:10:25.292 INFO kablam!   |
Oct 31 18:10:25.293 INFO kablam! 9 | pub fn generate_hash() -> String {
Oct 31 18:10:25.293 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.294 INFO kablam!   |
Oct 31 18:10:25.294 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 18:10:25.295 INFO kablam! 
Oct 31 18:10:25.296 INFO kablam! warning: struct is never constructed: `Wallet`
Oct 31 18:10:25.296 INFO kablam!  --> src/wallet.rs:4:1
Oct 31 18:10:25.297 INFO kablam!   |
Oct 31 18:10:25.298 INFO kablam! 4 | pub struct Wallet {
Oct 31 18:10:25.298 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.299 INFO kablam! 
Oct 31 18:10:25.299 INFO kablam! warning: method is never used: `new`
Oct 31 18:10:25.300 INFO kablam!   --> src/wallet.rs:10:3
Oct 31 18:10:25.301 INFO kablam!    |
Oct 31 18:10:25.301 INFO kablam! 10 |   pub fn new() -> Wallet {
Oct 31 18:10:25.301 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.301 INFO kablam! 
Oct 31 18:10:25.301 INFO kablam! warning: method is never used: `generate_keys`
Oct 31 18:10:25.301 INFO kablam!   --> src/wallet.rs:17:3
Oct 31 18:10:25.301 INFO kablam!    |
Oct 31 18:10:25.301 INFO kablam! 17 |   pub fn generate_keys(&mut self) -> &Wallet {
Oct 31 18:10:25.301 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.301 INFO kablam! 
Oct 31 18:10:25.301 INFO kablam! warning: type alias is never used: `PublicKey`
Oct 31 18:10:25.301 INFO kablam!  --> src/transaction.rs:3:1
Oct 31 18:10:25.301 INFO kablam!   |
Oct 31 18:10:25.301 INFO kablam! 3 | type PublicKey = String;
Oct 31 18:10:25.301 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.308 INFO kablam! 
Oct 31 18:10:25.308 INFO kablam! warning: struct is never constructed: `TransactionInput`
Oct 31 18:10:25.308 INFO kablam!  --> src/transaction.rs:4:1
Oct 31 18:10:25.308 INFO kablam!   |
Oct 31 18:10:25.308 INFO kablam! 4 | pub struct TransactionInput {}
Oct 31 18:10:25.308 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.308 INFO kablam! 
Oct 31 18:10:25.308 INFO kablam! warning: struct is never constructed: `TransactionOutput`
Oct 31 18:10:25.308 INFO kablam!  --> src/transaction.rs:5:1
Oct 31 18:10:25.308 INFO kablam!   |
Oct 31 18:10:25.308 INFO kablam! 5 | pub struct TransactionOutput {}
Oct 31 18:10:25.308 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.308 INFO kablam! 
Oct 31 18:10:25.308 INFO kablam! warning: struct is never constructed: `Transaction`
Oct 31 18:10:25.308 INFO kablam!  --> src/transaction.rs:7:1
Oct 31 18:10:25.308 INFO kablam!   |
Oct 31 18:10:25.308 INFO kablam! 7 | pub struct Transaction {
Oct 31 18:10:25.308 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.308 INFO kablam! 
Oct 31 18:10:25.308 INFO kablam! warning: method is never used: `new`
Oct 31 18:10:25.308 INFO kablam!   --> src/transaction.rs:19:3
Oct 31 18:10:25.308 INFO kablam!    |
Oct 31 18:10:25.309 INFO kablam! 19 |   pub fn new(from: PublicKey, to: PublicKey, value: f64, inputs: Vec<TransactionInput>, sequence: i32) -> Transaction {
Oct 31 18:10:25.309 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.309 INFO kablam! 
Oct 31 18:10:25.371 INFO kablam! warning: function is never used: `generate_hash`
Oct 31 18:10:25.372 INFO kablam!  --> src/string_utils.rs:9:1
Oct 31 18:10:25.373 INFO kablam!   |
Oct 31 18:10:25.374 INFO kablam! 9 | pub fn generate_hash() -> String {
Oct 31 18:10:25.374 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.375 INFO kablam!   |
Oct 31 18:10:25.375 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 18:10:25.376 INFO kablam! 
Oct 31 18:10:25.377 INFO kablam! warning: struct is never constructed: `Wallet`
Oct 31 18:10:25.377 INFO kablam!  --> src/wallet.rs:4:1
Oct 31 18:10:25.378 INFO kablam!   |
Oct 31 18:10:25.378 INFO kablam! 4 | pub struct Wallet {
Oct 31 18:10:25.379 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.380 INFO kablam! 
Oct 31 18:10:25.380 INFO kablam! warning: method is never used: `new`
Oct 31 18:10:25.381 INFO kablam!   --> src/wallet.rs:10:3
Oct 31 18:10:25.381 INFO kablam!    |
Oct 31 18:10:25.382 INFO kablam! 10 |   pub fn new() -> Wallet {
Oct 31 18:10:25.383 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.383 INFO kablam! 
Oct 31 18:10:25.383 INFO kablam! warning: method is never used: `generate_keys`
Oct 31 18:10:25.383 INFO kablam!   --> src/wallet.rs:17:3
Oct 31 18:10:25.383 INFO kablam!    |
Oct 31 18:10:25.383 INFO kablam! 17 |   pub fn generate_keys(&mut self) -> &Wallet {
Oct 31 18:10:25.383 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.383 INFO kablam! 
Oct 31 18:10:25.383 INFO kablam! warning: type alias is never used: `PublicKey`
Oct 31 18:10:25.383 INFO kablam!  --> src/transaction.rs:3:1
Oct 31 18:10:25.383 INFO kablam!   |
Oct 31 18:10:25.383 INFO kablam! 3 | type PublicKey = String;
Oct 31 18:10:25.383 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.383 INFO kablam! 
Oct 31 18:10:25.383 INFO kablam! warning: struct is never constructed: `TransactionInput`
Oct 31 18:10:25.383 INFO kablam!  --> src/transaction.rs:4:1
Oct 31 18:10:25.383 INFO kablam!   |
Oct 31 18:10:25.384 INFO kablam! 4 | pub struct TransactionInput {}
Oct 31 18:10:25.388 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.388 INFO kablam! 
Oct 31 18:10:25.388 INFO kablam! warning: struct is never constructed: `TransactionOutput`
Oct 31 18:10:25.388 INFO kablam!  --> src/transaction.rs:5:1
Oct 31 18:10:25.388 INFO kablam!   |
Oct 31 18:10:25.388 INFO kablam! 5 | pub struct TransactionOutput {}
Oct 31 18:10:25.388 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.388 INFO kablam! 
Oct 31 18:10:25.388 INFO kablam! warning: struct is never constructed: `Transaction`
Oct 31 18:10:25.388 INFO kablam!  --> src/transaction.rs:7:1
Oct 31 18:10:25.388 INFO kablam!   |
Oct 31 18:10:25.388 INFO kablam! 7 | pub struct Transaction {
Oct 31 18:10:25.388 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.388 INFO kablam! 
Oct 31 18:10:25.388 INFO kablam! warning: method is never used: `new`
Oct 31 18:10:25.388 INFO kablam!   --> src/transaction.rs:19:3
Oct 31 18:10:25.388 INFO kablam!    |
Oct 31 18:10:25.388 INFO kablam! 19 |   pub fn new(from: PublicKey, to: PublicKey, value: f64, inputs: Vec<TransactionInput>, sequence: i32) -> Transaction {
Oct 31 18:10:25.388 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:10:25.388 INFO kablam! 
Oct 31 18:10:25.480 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 22.86s
Oct 31 18:10:25.488 INFO kablam! su: No module specific data is present
Oct 31 18:10:27.176 INFO running `"docker" "rm" "-f" "4934c65f3bd6b79967c4d49104bff92a0adc14ad67968074a41b0fa4d99b2440"`
Oct 31 18:10:27.518 INFO blam! 4934c65f3bd6b79967c4d49104bff92a0adc14ad67968074a41b0fa4d99b2440