Dec 17 12:03:46.101 INFO checking werner/firstcoin against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 12:03:46.101 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/werner/firstcoin:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 12:03:46.480 INFO [stdout] 1ed4dbcf489fc7f845f163ff590d940bf42efbf3469c4e2d0d0a119f5d016622
Dec 17 12:03:46.486 INFO running `"docker" "start" "-a" "1ed4dbcf489fc7f845f163ff590d940bf42efbf3469c4e2d0d0a119f5d016622"`
Dec 17 12:03:48.880 INFO [stderr]    Compiling libc v0.2.36
Dec 17 12:03:48.880 INFO [stderr]    Compiling scopeguard v0.3.3
Dec 17 12:03:48.892 INFO [stderr]    Compiling either v1.4.0
Dec 17 12:03:48.892 INFO [stderr]    Compiling rayon-core v1.3.0
Dec 17 12:03:48.892 INFO [stderr]    Compiling lazy_static v0.2.11
Dec 17 12:03:48.892 INFO [stderr]     Checking rand v0.4.2
Dec 17 12:03:50.464 INFO [stderr]     Checking itertools v0.5.10
Dec 17 12:03:50.583 INFO [stderr]    Compiling coco v0.1.1
Dec 17 12:03:53.472 INFO [stderr]     Checking rand v0.3.22
Dec 17 12:03:53.966 INFO [stderr]    Compiling num_cpus v1.8.0
Dec 17 12:03:56.167 INFO [stderr]     Checking parity-wordlist v1.2.0
Dec 17 12:04:00.894 INFO [stderr]    Compiling rayon v0.8.2
Dec 17 12:04:03.546 INFO [stderr]    Compiling ring v0.12.1
Dec 17 12:04:11.221 INFO [stderr]     Checking firstcoin v0.1.0 (/opt/crater/workdir)
Dec 17 12:04:11.452 INFO [stderr] warning: unused imports: `digest`, `signature`
Dec 17 12:04:11.452 INFO [stderr]  --> src/wallet.rs:2:12
Dec 17 12:04:11.452 INFO [stderr]   |
Dec 17 12:04:11.452 INFO [stderr] 2 | use ring::{digest, signature, rand, agreement};
Dec 17 12:04:11.452 INFO [stderr]   |            ^^^^^^  ^^^^^^^^^
Dec 17 12:04:11.454 INFO [stderr] warning: unused imports: `digest`, `signature`
Dec 17 12:04:11.454 INFO [stderr]  --> src/wallet.rs:2:12
Dec 17 12:04:11.454 INFO [stderr]   |
Dec 17 12:04:11.454 INFO [stderr] 2 | use ring::{digest, signature, rand, agreement};
Dec 17 12:04:11.454 INFO [stderr]   |            ^^^^^^  ^^^^^^^^^
Dec 17 12:04:11.454 INFO [stderr]   |
Dec 17 12:04:11.454 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 12:04:11.454 INFO [stderr] 
Dec 17 12:04:11.468 INFO [stderr]   |
Dec 17 12:04:11.468 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 12:04:11.468 INFO [stderr] 
Dec 17 12:04:11.636 INFO [stderr] warning: function is never used: `generate_hash`
Dec 17 12:04:11.636 INFO [stderr]  --> src/string_utils.rs:9:1
Dec 17 12:04:11.636 INFO [stderr]   |
Dec 17 12:04:11.636 INFO [stderr] 9 | pub fn generate_hash() -> String {
Dec 17 12:04:11.636 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.636 INFO [stderr]   |
Dec 17 12:04:11.636 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 12:04:11.636 INFO [stderr] 
Dec 17 12:04:11.637 INFO [stderr] warning: struct is never constructed: `Wallet`
Dec 17 12:04:11.637 INFO [stderr]  --> src/wallet.rs:4:1
Dec 17 12:04:11.637 INFO [stderr]   |
Dec 17 12:04:11.637 INFO [stderr] 4 | pub struct Wallet {
Dec 17 12:04:11.637 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.637 INFO [stderr] 
Dec 17 12:04:11.637 INFO [stderr] warning: method is never used: `new`
Dec 17 12:04:11.637 INFO [stderr]   --> src/wallet.rs:10:3
Dec 17 12:04:11.637 INFO [stderr]    |
Dec 17 12:04:11.637 INFO [stderr] 10 |   pub fn new() -> Wallet {
Dec 17 12:04:11.637 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.637 INFO [stderr] 
Dec 17 12:04:11.637 INFO [stderr] warning: method is never used: `generate_keys`
Dec 17 12:04:11.637 INFO [stderr]   --> src/wallet.rs:17:3
Dec 17 12:04:11.637 INFO [stderr]    |
Dec 17 12:04:11.637 INFO [stderr] 17 |   pub fn generate_keys(&mut self) -> &Wallet {
Dec 17 12:04:11.637 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.637 INFO [stderr] 
Dec 17 12:04:11.637 INFO [stderr] warning: type alias is never used: `PublicKey`
Dec 17 12:04:11.637 INFO [stderr]  --> src/transaction.rs:3:1
Dec 17 12:04:11.637 INFO [stderr]   |
Dec 17 12:04:11.637 INFO [stderr] 3 | type PublicKey = String;
Dec 17 12:04:11.637 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.637 INFO [stderr] 
Dec 17 12:04:11.637 INFO [stderr] warning: struct is never constructed: `TransactionInput`
Dec 17 12:04:11.637 INFO [stderr]  --> src/transaction.rs:4:1
Dec 17 12:04:11.637 INFO [stderr]   |
Dec 17 12:04:11.637 INFO [stderr] 4 | pub struct TransactionInput {}
Dec 17 12:04:11.637 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.637 INFO [stderr] 
Dec 17 12:04:11.637 INFO [stderr] warning: struct is never constructed: `TransactionOutput`
Dec 17 12:04:11.637 INFO [stderr]  --> src/transaction.rs:5:1
Dec 17 12:04:11.637 INFO [stderr]   |
Dec 17 12:04:11.637 INFO [stderr] 5 | pub struct TransactionOutput {}
Dec 17 12:04:11.637 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.637 INFO [stderr] 
Dec 17 12:04:11.637 INFO [stderr] warning: struct is never constructed: `Transaction`
Dec 17 12:04:11.637 INFO [stderr]  --> src/transaction.rs:7:1
Dec 17 12:04:11.637 INFO [stderr]   |
Dec 17 12:04:11.637 INFO [stderr] 7 | pub struct Transaction {
Dec 17 12:04:11.637 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.637 INFO [stderr] 
Dec 17 12:04:11.637 INFO [stderr] warning: method is never used: `new`
Dec 17 12:04:11.637 INFO [stderr]   --> src/transaction.rs:19:3
Dec 17 12:04:11.637 INFO [stderr]    |
Dec 17 12:04:11.637 INFO [stderr] 19 |   pub fn new(from: PublicKey, to: PublicKey, value: f64, inputs: Vec<TransactionInput>, sequence: i32) -> Transaction {
Dec 17 12:04:11.637 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.637 INFO [stderr] 
Dec 17 12:04:11.664 INFO [stderr] warning: function is never used: `generate_hash`
Dec 17 12:04:11.664 INFO [stderr]  --> src/string_utils.rs:9:1
Dec 17 12:04:11.664 INFO [stderr]   |
Dec 17 12:04:11.664 INFO [stderr] 9 | pub fn generate_hash() -> String {
Dec 17 12:04:11.664 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.664 INFO [stderr]   |
Dec 17 12:04:11.672 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 12:04:11.672 INFO [stderr] 
Dec 17 12:04:11.672 INFO [stderr] warning: struct is never constructed: `Wallet`
Dec 17 12:04:11.673 INFO [stderr]  --> src/wallet.rs:4:1
Dec 17 12:04:11.673 INFO [stderr]   |
Dec 17 12:04:11.673 INFO [stderr] 4 | pub struct Wallet {
Dec 17 12:04:11.673 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.673 INFO [stderr] 
Dec 17 12:04:11.673 INFO [stderr] warning: method is never used: `new`
Dec 17 12:04:11.673 INFO [stderr]   --> src/wallet.rs:10:3
Dec 17 12:04:11.673 INFO [stderr]    |
Dec 17 12:04:11.673 INFO [stderr] 10 |   pub fn new() -> Wallet {
Dec 17 12:04:11.673 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.673 INFO [stderr] 
Dec 17 12:04:11.673 INFO [stderr] warning: method is never used: `generate_keys`
Dec 17 12:04:11.673 INFO [stderr]   --> src/wallet.rs:17:3
Dec 17 12:04:11.673 INFO [stderr]    |
Dec 17 12:04:11.673 INFO [stderr] 17 |   pub fn generate_keys(&mut self) -> &Wallet {
Dec 17 12:04:11.674 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.674 INFO [stderr] 
Dec 17 12:04:11.674 INFO [stderr] warning: type alias is never used: `PublicKey`
Dec 17 12:04:11.674 INFO [stderr]  --> src/transaction.rs:3:1
Dec 17 12:04:11.674 INFO [stderr]   |
Dec 17 12:04:11.674 INFO [stderr] 3 | type PublicKey = String;
Dec 17 12:04:11.674 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.674 INFO [stderr] 
Dec 17 12:04:11.674 INFO [stderr] warning: struct is never constructed: `TransactionInput`
Dec 17 12:04:11.675 INFO [stderr]  --> src/transaction.rs:4:1
Dec 17 12:04:11.675 INFO [stderr]   |
Dec 17 12:04:11.675 INFO [stderr] 4 | pub struct TransactionInput {}
Dec 17 12:04:11.675 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.675 INFO [stderr] 
Dec 17 12:04:11.675 INFO [stderr] warning: struct is never constructed: `TransactionOutput`
Dec 17 12:04:11.675 INFO [stderr]  --> src/transaction.rs:5:1
Dec 17 12:04:11.676 INFO [stderr]   |
Dec 17 12:04:11.676 INFO [stderr] 5 | pub struct TransactionOutput {}
Dec 17 12:04:11.676 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.676 INFO [stderr] 
Dec 17 12:04:11.677 INFO [stderr] warning: struct is never constructed: `Transaction`
Dec 17 12:04:11.677 INFO [stderr]  --> src/transaction.rs:7:1
Dec 17 12:04:11.677 INFO [stderr]   |
Dec 17 12:04:11.677 INFO [stderr] 7 | pub struct Transaction {
Dec 17 12:04:11.677 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.678 INFO [stderr] 
Dec 17 12:04:11.678 INFO [stderr] warning: method is never used: `new`
Dec 17 12:04:11.678 INFO [stderr]   --> src/transaction.rs:19:3
Dec 17 12:04:11.678 INFO [stderr]    |
Dec 17 12:04:11.679 INFO [stderr] 19 |   pub fn new(from: PublicKey, to: PublicKey, value: f64, inputs: Vec<TransactionInput>, sequence: i32) -> Transaction {
Dec 17 12:04:11.679 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:04:11.679 INFO [stderr] 
Dec 17 12:04:11.725 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.92s
Dec 17 12:04:13.743 INFO running `"docker" "inspect" "1ed4dbcf489fc7f845f163ff590d940bf42efbf3469c4e2d0d0a119f5d016622"`
Dec 17 12:04:14.124 INFO running `"docker" "rm" "-f" "1ed4dbcf489fc7f845f163ff590d940bf42efbf3469c4e2d0d0a119f5d016622"`
Dec 17 12:04:14.420 INFO [stdout] 1ed4dbcf489fc7f845f163ff590d940bf42efbf3469c4e2d0d0a119f5d016622