[INFO] updating cached repository https://github.com/werner/firstcoin
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 09697aa78c8e98bb14188f07b4ff163c31c4b1a9
[INFO] testing werner/firstcoin against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwerner%2Ffirstcoin" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/werner/firstcoin on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/werner/firstcoin
[INFO] finished tweaking git repo https://github.com/werner/firstcoin
[INFO] tweaked toml for git repo https://github.com/werner/firstcoin written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/werner/firstcoin already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] f3f11f54b1c8bbb1a971ff48af27bb9173dec2d1418bd53e769119de63264248
[INFO] running `"docker" "start" "-a" "f3f11f54b1c8bbb1a971ff48af27bb9173dec2d1418bd53e769119de63264248"`
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling parity-wordlist v1.2.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]    Compiling firstcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `digest`, `signature`
[INFO] [stderr]  --> src/wallet.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ring::{digest, signature, rand, agreement};
[INFO] [stderr]   |            ^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_hash`
[INFO] [stderr]  --> src/string_utils.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn generate_hash() -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Wallet`
[INFO] [stderr]  --> src/wallet.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Wallet {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/wallet.rs:10:3
[INFO] [stderr]    |
[INFO] [stderr] 10 |   pub fn new() -> Wallet {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generate_keys`
[INFO] [stderr]   --> src/wallet.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |   pub fn generate_keys(&mut self) -> &Wallet {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `PublicKey`
[INFO] [stderr]  --> src/transaction.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | type PublicKey = String;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TransactionInput`
[INFO] [stderr]  --> src/transaction.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct TransactionInput {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TransactionOutput`
[INFO] [stderr]  --> src/transaction.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct TransactionOutput {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Transaction`
[INFO] [stderr]  --> src/transaction.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Transaction {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/transaction.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 |   pub fn new(from: PublicKey, to: PublicKey, value: f64, inputs: Vec<TransactionInput>, sequence: i32) -> Transaction {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.80s
[INFO] running `"docker" "inspect" "f3f11f54b1c8bbb1a971ff48af27bb9173dec2d1418bd53e769119de63264248"`
[INFO] running `"docker" "rm" "-f" "f3f11f54b1c8bbb1a971ff48af27bb9173dec2d1418bd53e769119de63264248"`
[INFO] [stdout] f3f11f54b1c8bbb1a971ff48af27bb9173dec2d1418bd53e769119de63264248
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fb003391486f7cee67fbfe9d3d409093dcf7a815afc320adce8dcef96ac22b00
[INFO] running `"docker" "start" "-a" "fb003391486f7cee67fbfe9d3d409093dcf7a815afc320adce8dcef96ac22b00"`
[INFO] [stderr]    Compiling firstcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `digest`, `signature`
[INFO] [stderr]  --> src/wallet.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ring::{digest, signature, rand, agreement};
[INFO] [stderr]   |            ^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_hash`
[INFO] [stderr]  --> src/string_utils.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn generate_hash() -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Wallet`
[INFO] [stderr]  --> src/wallet.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Wallet {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/wallet.rs:10:3
[INFO] [stderr]    |
[INFO] [stderr] 10 |   pub fn new() -> Wallet {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generate_keys`
[INFO] [stderr]   --> src/wallet.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |   pub fn generate_keys(&mut self) -> &Wallet {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `PublicKey`
[INFO] [stderr]  --> src/transaction.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | type PublicKey = String;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TransactionInput`
[INFO] [stderr]  --> src/transaction.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct TransactionInput {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TransactionOutput`
[INFO] [stderr]  --> src/transaction.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct TransactionOutput {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Transaction`
[INFO] [stderr]  --> src/transaction.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Transaction {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/transaction.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 |   pub fn new(from: PublicKey, to: PublicKey, value: f64, inputs: Vec<TransactionInput>, sequence: i32) -> Transaction {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "fb003391486f7cee67fbfe9d3d409093dcf7a815afc320adce8dcef96ac22b00"`
[INFO] running `"docker" "rm" "-f" "fb003391486f7cee67fbfe9d3d409093dcf7a815afc320adce8dcef96ac22b00"`
[INFO] [stdout] fb003391486f7cee67fbfe9d3d409093dcf7a815afc320adce8dcef96ac22b00
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 0b56ee25b025db3beb073a62807b5613256bbcc71bcff66d1d6c66fdd299d2be
[INFO] running `"docker" "start" "-a" "0b56ee25b025db3beb073a62807b5613256bbcc71bcff66d1d6c66fdd299d2be"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/firstcoin-ec662c6615f7a212
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test block::block_basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0b56ee25b025db3beb073a62807b5613256bbcc71bcff66d1d6c66fdd299d2be"`
[INFO] running `"docker" "rm" "-f" "0b56ee25b025db3beb073a62807b5613256bbcc71bcff66d1d6c66fdd299d2be"`
[INFO] [stdout] 0b56ee25b025db3beb073a62807b5613256bbcc71bcff66d1d6c66fdd299d2be