Dec 14 02:49:47.908 INFO testing andybug/rustychain against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 02:49:47.908 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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"`
Dec 14 02:49:48.267 INFO [stdout] a890106a4d8b5ddfa6bcf0c52df19492a2b09873f44c513eba69ff3ad6da6e8d
Dec 14 02:49:48.275 INFO running `"docker" "start" "-a" "a890106a4d8b5ddfa6bcf0c52df19492a2b09873f44c513eba69ff3ad6da6e8d"`
Dec 14 02:49:49.127 INFO [stderr] usermod: no changes
Dec 14 02:49:49.218 INFO [stderr]    Compiling nodrop v0.1.9
Dec 14 02:49:49.219 INFO [stderr]    Compiling serde_yaml v0.7.1
Dec 14 02:49:49.399 INFO [stderr]    Compiling generic-array v0.8.3
Dec 14 02:49:50.047 INFO [stderr]    Compiling crypto-mac v0.4.0
Dec 14 02:49:50.047 INFO [stderr]    Compiling digest v0.6.2
Dec 14 02:49:50.511 INFO [stderr]    Compiling blake2 v0.6.1
Dec 14 02:49:52.581 INFO [stderr]    Compiling rustychain v0.1.0 (/source)
Dec 14 02:49:53.419 INFO [stderr] warning: unused import: `SeqAccess`
Dec 14 02:49:53.419 INFO [stderr]  --> src/blockchain/block.rs:9:70
Dec 14 02:49:53.419 INFO [stderr]   |
Dec 14 02:49:53.419 INFO [stderr] 9 | use self::serde::de::{Visitor, Deserialize, Deserializer, MapAccess, SeqAccess};
Dec 14 02:49:53.419 INFO [stderr]   |                                                                      ^^^^^^^^^
Dec 14 02:49:53.419 INFO [stderr]   |
Dec 14 02:49:53.419 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 02:49:53.419 INFO [stderr] 
Dec 14 02:49:53.419 INFO [stderr] warning: unused import: `std::fs`
Dec 14 02:49:53.419 INFO [stderr]  --> src/blockchain/chain.rs:5:5
Dec 14 02:49:53.419 INFO [stderr]   |
Dec 14 02:49:53.419 INFO [stderr] 5 | use std::fs;
Dec 14 02:49:53.419 INFO [stderr]   |     ^^^^^^^
Dec 14 02:49:53.419 INFO [stderr] 
Dec 14 02:49:53.419 INFO [stderr] warning: unused import: `Hash256`
Dec 14 02:49:53.419 INFO [stderr]   --> src/blockchain/chain.rs:14:18
Dec 14 02:49:53.419 INFO [stderr]    |
Dec 14 02:49:53.419 INFO [stderr] 14 | use util::hash::{Hash256, HASH256_BYTES};
Dec 14 02:49:53.419 INFO [stderr]    |                  ^^^^^^^
Dec 14 02:49:53.419 INFO [stderr] 
Dec 14 02:49:53.419 INFO [stderr] warning: unused import: `FromHex`
Dec 14 02:49:53.419 INFO [stderr]  --> src/blockchain/transaction.rs:9:17
Dec 14 02:49:53.419 INFO [stderr]   |
Dec 14 02:49:53.419 INFO [stderr] 9 | use util::hex::{FromHex, ToHex};
Dec 14 02:49:53.419 INFO [stderr]   |                 ^^^^^^^
Dec 14 02:49:53.419 INFO [stderr] 
Dec 14 02:49:53.590 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 14 02:49:53.590 INFO [stderr]  --> src/blockchain/chain.rs:9:5
Dec 14 02:49:53.590 INFO [stderr]   |
Dec 14 02:49:53.590 INFO [stderr] 9 | use std::io::prelude::*;
Dec 14 02:49:53.590 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 14 02:49:53.590 INFO [stderr] 
Dec 14 02:49:53.656 INFO [stderr] warning: method is never used: `reset`
Dec 14 02:49:53.656 INFO [stderr]   --> src/util/hash.rs:25:5
Dec 14 02:49:53.656 INFO [stderr]    |
Dec 14 02:49:53.656 INFO [stderr] 25 |     pub fn reset(&mut self) {
Dec 14 02:49:53.656 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:53.656 INFO [stderr]    |
Dec 14 02:49:53.656 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 02:49:53.656 INFO [stderr] 
Dec 14 02:49:53.656 INFO [stderr] warning: function is never used: `now`
Dec 14 02:49:53.656 INFO [stderr]  --> src/util/time.rs:3:1
Dec 14 02:49:53.656 INFO [stderr]   |
Dec 14 02:49:53.656 INFO [stderr] 3 | pub fn now() -> u64 {
Dec 14 02:49:53.656 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:53.656 INFO [stderr] 
Dec 14 02:49:53.656 INFO [stderr] warning: method is never used: `new`
Dec 14 02:49:53.656 INFO [stderr]   --> src/blockchain/block.rs:26:5
Dec 14 02:49:53.656 INFO [stderr]    |
Dec 14 02:49:53.656 INFO [stderr] 26 |     pub fn new() -> Block {
Dec 14 02:49:53.656 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:53.656 INFO [stderr] 
Dec 14 02:49:53.656 INFO [stderr] warning: method is never used: `set_timestamp`
Dec 14 02:49:53.656 INFO [stderr]   --> src/blockchain/block.rs:36:5
Dec 14 02:49:53.656 INFO [stderr]    |
Dec 14 02:49:53.656 INFO [stderr] 36 |     pub fn set_timestamp(&mut self, ts: u64) {
Dec 14 02:49:53.656 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:53.656 INFO [stderr] 
Dec 14 02:49:53.656 INFO [stderr] warning: method is never used: `set_previous`
Dec 14 02:49:53.656 INFO [stderr]   --> src/blockchain/block.rs:40:5
Dec 14 02:49:53.656 INFO [stderr]    |
Dec 14 02:49:53.656 INFO [stderr] 40 |     pub fn set_previous(&mut self, p: &[u8; HASH256_BYTES]) {
Dec 14 02:49:53.656 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:53.656 INFO [stderr] 
Dec 14 02:49:53.656 INFO [stderr] warning: method is never used: `add_transaction`
Dec 14 02:49:53.656 INFO [stderr]   --> src/blockchain/block.rs:48:5
Dec 14 02:49:53.656 INFO [stderr]    |
Dec 14 02:49:53.656 INFO [stderr] 48 |     pub fn add_transaction(&mut self, tx: Transaction) {
Dec 14 02:49:53.656 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:53.656 INFO [stderr] 
Dec 14 02:49:53.656 INFO [stderr] warning: method is never used: `new`
Dec 14 02:49:53.656 INFO [stderr]   --> src/blockchain/transaction.rs:58:5
Dec 14 02:49:53.656 INFO [stderr]    |
Dec 14 02:49:53.656 INFO [stderr] 58 |     pub fn new() -> Transaction {
Dec 14 02:49:53.656 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:53.656 INFO [stderr] 
Dec 14 02:49:53.656 INFO [stderr] warning: method is never used: `set_timestamp`
Dec 14 02:49:53.656 INFO [stderr]   --> src/blockchain/transaction.rs:67:5
Dec 14 02:49:53.656 INFO [stderr]    |
Dec 14 02:49:53.656 INFO [stderr] 67 |     pub fn set_timestamp(&mut self, ts: u64) {
Dec 14 02:49:53.656 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:53.656 INFO [stderr] 
Dec 14 02:49:53.656 INFO [stderr] warning: method is never used: `add_output`
Dec 14 02:49:53.656 INFO [stderr]   --> src/blockchain/transaction.rs:71:5
Dec 14 02:49:53.656 INFO [stderr]    |
Dec 14 02:49:53.656 INFO [stderr] 71 |     pub fn add_output(&mut self, amount: u64) {
Dec 14 02:49:53.656 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:53.656 INFO [stderr] 
Dec 14 02:49:53.657 INFO [stderr] warning: variant `Merkle_root` should have a camel case name such as `MerkleRoot`
Dec 14 02:49:53.657 INFO [stderr]   --> src/blockchain/block.rs:88:52
Dec 14 02:49:53.657 INFO [stderr]    |
Dec 14 02:49:53.657 INFO [stderr] 88 |         enum Field { Version, Timestamp, Previous, Merkle_root };
Dec 14 02:49:53.658 INFO [stderr]    |                                                    ^^^^^^^^^^^
Dec 14 02:49:53.658 INFO [stderr]    |
Dec 14 02:49:53.658 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 14 02:49:53.658 INFO [stderr] 
Dec 14 02:49:53.659 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:49:53.659 INFO [stderr]   --> src/blockchain/chain.rs:83:21
Dec 14 02:49:53.659 INFO [stderr]    |
Dec 14 02:49:53.659 INFO [stderr] 83 |                     writeln!(&mut io::stderr(), "read_chain: {}", e);
Dec 14 02:49:53.659 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:53.659 INFO [stderr]    |
Dec 14 02:49:53.659 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 02:49:53.659 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:49:53.659 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 14 02:49:53.659 INFO [stderr] 
Dec 14 02:49:53.659 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:49:53.659 INFO [stderr]   --> src/blockchain/transaction.rs:19:9
Dec 14 02:49:53.659 INFO [stderr]    |
Dec 14 02:49:53.659 INFO [stderr] 19 |         hash.write_all(&self.hash);
Dec 14 02:49:53.659 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:53.659 INFO [stderr]    |
Dec 14 02:49:53.659 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:49:53.659 INFO [stderr] 
Dec 14 02:49:54.619 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.47s
Dec 14 02:49:54.625 INFO [stderr] su: No module specific data is present
Dec 14 02:49:55.033 INFO running `"docker" "inspect" "a890106a4d8b5ddfa6bcf0c52df19492a2b09873f44c513eba69ff3ad6da6e8d"`
Dec 14 02:49:55.252 INFO running `"docker" "rm" "-f" "a890106a4d8b5ddfa6bcf0c52df19492a2b09873f44c513eba69ff3ad6da6e8d"`
Dec 14 02:49:55.453 INFO [stdout] a890106a4d8b5ddfa6bcf0c52df19492a2b09873f44c513eba69ff3ad6da6e8d
Dec 14 02:49:55.463 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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"`
Dec 14 02:49:55.703 INFO [stdout] 9db6f130142815139ed4008be866bd9cad312e7299274e1bd373abe5f40767d3
Dec 14 02:49:55.705 INFO running `"docker" "start" "-a" "9db6f130142815139ed4008be866bd9cad312e7299274e1bd373abe5f40767d3"`
Dec 14 02:49:56.212 INFO [stderr] usermod: no changes
Dec 14 02:49:56.295 INFO [stderr]    Compiling rustychain v0.1.0 (/source)
Dec 14 02:49:57.159 INFO [stderr] warning: unused import: `SeqAccess`
Dec 14 02:49:57.159 INFO [stderr]  --> src/blockchain/block.rs:9:70
Dec 14 02:49:57.159 INFO [stderr]   |
Dec 14 02:49:57.159 INFO [stderr] 9 | use self::serde::de::{Visitor, Deserialize, Deserializer, MapAccess, SeqAccess};
Dec 14 02:49:57.159 INFO [stderr]   |                                                                      ^^^^^^^^^
Dec 14 02:49:57.159 INFO [stderr]   |
Dec 14 02:49:57.159 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 02:49:57.159 INFO [stderr] 
Dec 14 02:49:57.159 INFO [stderr] warning: unused import: `std::fs`
Dec 14 02:49:57.159 INFO [stderr]  --> src/blockchain/chain.rs:5:5
Dec 14 02:49:57.159 INFO [stderr]   |
Dec 14 02:49:57.159 INFO [stderr] 5 | use std::fs;
Dec 14 02:49:57.159 INFO [stderr]   |     ^^^^^^^
Dec 14 02:49:57.159 INFO [stderr] 
Dec 14 02:49:57.159 INFO [stderr] warning: unused import: `Hash256`
Dec 14 02:49:57.159 INFO [stderr]   --> src/blockchain/chain.rs:14:18
Dec 14 02:49:57.159 INFO [stderr]    |
Dec 14 02:49:57.159 INFO [stderr] 14 | use util::hash::{Hash256, HASH256_BYTES};
Dec 14 02:49:57.159 INFO [stderr]    |                  ^^^^^^^
Dec 14 02:49:57.159 INFO [stderr] 
Dec 14 02:49:57.159 INFO [stderr] warning: unused import: `FromHex`
Dec 14 02:49:57.159 INFO [stderr]  --> src/blockchain/transaction.rs:9:17
Dec 14 02:49:57.159 INFO [stderr]   |
Dec 14 02:49:57.159 INFO [stderr] 9 | use util::hex::{FromHex, ToHex};
Dec 14 02:49:57.159 INFO [stderr]   |                 ^^^^^^^
Dec 14 02:49:57.159 INFO [stderr] 
Dec 14 02:49:57.332 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 14 02:49:57.333 INFO [stderr]  --> src/blockchain/chain.rs:9:5
Dec 14 02:49:57.333 INFO [stderr]   |
Dec 14 02:49:57.333 INFO [stderr] 9 | use std::io::prelude::*;
Dec 14 02:49:57.333 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 14 02:49:57.333 INFO [stderr] 
Dec 14 02:49:57.394 INFO [stderr] warning: method is never used: `reset`
Dec 14 02:49:57.394 INFO [stderr]   --> src/util/hash.rs:25:5
Dec 14 02:49:57.394 INFO [stderr]    |
Dec 14 02:49:57.394 INFO [stderr] 25 |     pub fn reset(&mut self) {
Dec 14 02:49:57.394 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:57.394 INFO [stderr]    |
Dec 14 02:49:57.394 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 02:49:57.394 INFO [stderr] 
Dec 14 02:49:57.394 INFO [stderr] warning: function is never used: `now`
Dec 14 02:49:57.394 INFO [stderr]  --> src/util/time.rs:3:1
Dec 14 02:49:57.394 INFO [stderr]   |
Dec 14 02:49:57.394 INFO [stderr] 3 | pub fn now() -> u64 {
Dec 14 02:49:57.394 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:57.394 INFO [stderr] 
Dec 14 02:49:57.395 INFO [stderr] warning: method is never used: `new`
Dec 14 02:49:57.395 INFO [stderr]   --> src/blockchain/block.rs:26:5
Dec 14 02:49:57.395 INFO [stderr]    |
Dec 14 02:49:57.395 INFO [stderr] 26 |     pub fn new() -> Block {
Dec 14 02:49:57.395 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:57.395 INFO [stderr] 
Dec 14 02:49:57.395 INFO [stderr] warning: method is never used: `set_timestamp`
Dec 14 02:49:57.395 INFO [stderr]   --> src/blockchain/block.rs:36:5
Dec 14 02:49:57.395 INFO [stderr]    |
Dec 14 02:49:57.395 INFO [stderr] 36 |     pub fn set_timestamp(&mut self, ts: u64) {
Dec 14 02:49:57.395 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:57.395 INFO [stderr] 
Dec 14 02:49:57.395 INFO [stderr] warning: method is never used: `set_previous`
Dec 14 02:49:57.395 INFO [stderr]   --> src/blockchain/block.rs:40:5
Dec 14 02:49:57.395 INFO [stderr]    |
Dec 14 02:49:57.395 INFO [stderr] 40 |     pub fn set_previous(&mut self, p: &[u8; HASH256_BYTES]) {
Dec 14 02:49:57.395 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:57.395 INFO [stderr] 
Dec 14 02:49:57.396 INFO [stderr] warning: method is never used: `add_transaction`
Dec 14 02:49:57.396 INFO [stderr]   --> src/blockchain/block.rs:48:5
Dec 14 02:49:57.396 INFO [stderr]    |
Dec 14 02:49:57.396 INFO [stderr] 48 |     pub fn add_transaction(&mut self, tx: Transaction) {
Dec 14 02:49:57.396 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:57.396 INFO [stderr] 
Dec 14 02:49:57.396 INFO [stderr] warning: method is never used: `new`
Dec 14 02:49:57.396 INFO [stderr]   --> src/blockchain/transaction.rs:58:5
Dec 14 02:49:57.396 INFO [stderr]    |
Dec 14 02:49:57.396 INFO [stderr] 58 |     pub fn new() -> Transaction {
Dec 14 02:49:57.396 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:57.396 INFO [stderr] 
Dec 14 02:49:57.396 INFO [stderr] warning: method is never used: `set_timestamp`
Dec 14 02:49:57.396 INFO [stderr]   --> src/blockchain/transaction.rs:67:5
Dec 14 02:49:57.396 INFO [stderr]    |
Dec 14 02:49:57.396 INFO [stderr] 67 |     pub fn set_timestamp(&mut self, ts: u64) {
Dec 14 02:49:57.396 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:57.396 INFO [stderr] 
Dec 14 02:49:57.396 INFO [stderr] warning: method is never used: `add_output`
Dec 14 02:49:57.396 INFO [stderr]   --> src/blockchain/transaction.rs:71:5
Dec 14 02:49:57.396 INFO [stderr]    |
Dec 14 02:49:57.396 INFO [stderr] 71 |     pub fn add_output(&mut self, amount: u64) {
Dec 14 02:49:57.396 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:57.396 INFO [stderr] 
Dec 14 02:49:57.396 INFO [stderr] warning: variant `Merkle_root` should have a camel case name such as `MerkleRoot`
Dec 14 02:49:57.396 INFO [stderr]   --> src/blockchain/block.rs:88:52
Dec 14 02:49:57.396 INFO [stderr]    |
Dec 14 02:49:57.396 INFO [stderr] 88 |         enum Field { Version, Timestamp, Previous, Merkle_root };
Dec 14 02:49:57.396 INFO [stderr]    |                                                    ^^^^^^^^^^^
Dec 14 02:49:57.397 INFO [stderr]    |
Dec 14 02:49:57.397 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 14 02:49:57.397 INFO [stderr] 
Dec 14 02:49:57.397 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:49:57.397 INFO [stderr]   --> src/blockchain/chain.rs:83:21
Dec 14 02:49:57.397 INFO [stderr]    |
Dec 14 02:49:57.397 INFO [stderr] 83 |                     writeln!(&mut io::stderr(), "read_chain: {}", e);
Dec 14 02:49:57.397 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:57.397 INFO [stderr]    |
Dec 14 02:49:57.397 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 02:49:57.397 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:49:57.397 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 14 02:49:57.397 INFO [stderr] 
Dec 14 02:49:57.397 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:49:57.397 INFO [stderr]   --> src/blockchain/transaction.rs:19:9
Dec 14 02:49:57.398 INFO [stderr]    |
Dec 14 02:49:57.398 INFO [stderr] 19 |         hash.write_all(&self.hash);
Dec 14 02:49:57.398 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:49:57.398 INFO [stderr]    |
Dec 14 02:49:57.398 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:49:57.398 INFO [stderr] 
Dec 14 02:49:57.643 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Dec 14 02:49:57.645 INFO [stderr] su: No module specific data is present
Dec 14 02:49:58.335 INFO running `"docker" "inspect" "9db6f130142815139ed4008be866bd9cad312e7299274e1bd373abe5f40767d3"`
Dec 14 02:49:58.618 INFO running `"docker" "rm" "-f" "9db6f130142815139ed4008be866bd9cad312e7299274e1bd373abe5f40767d3"`
Dec 14 02:49:58.987 INFO [stdout] 9db6f130142815139ed4008be866bd9cad312e7299274e1bd373abe5f40767d3
Dec 14 02:49:59.063 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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"`
Dec 14 02:49:59.567 INFO [stdout] 6b17686236a8c6f7501598d2f2d79f5c576ce42130de34c58f25021b63479fd5
Dec 14 02:49:59.571 INFO running `"docker" "start" "-a" "6b17686236a8c6f7501598d2f2d79f5c576ce42130de34c58f25021b63479fd5"`
Dec 14 02:50:00.278 INFO [stderr] usermod: no changes
Dec 14 02:50:00.335 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 14 02:50:00.338 INFO [stderr]      Running /target/debug/deps/rustychain-d0007f54777981de
Dec 14 02:50:00.351 INFO [stderr] su: No module specific data is present
Dec 14 02:50:00.351 INFO [stdout] 
Dec 14 02:50:00.351 INFO [stdout] running 0 tests
Dec 14 02:50:00.351 INFO [stdout] 
Dec 14 02:50:00.351 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 02:50:00.351 INFO [stdout] 
Dec 14 02:50:00.820 INFO running `"docker" "inspect" "6b17686236a8c6f7501598d2f2d79f5c576ce42130de34c58f25021b63479fd5"`
Dec 14 02:50:01.000 INFO running `"docker" "rm" "-f" "6b17686236a8c6f7501598d2f2d79f5c576ce42130de34c58f25021b63479fd5"`
Dec 14 02:50:01.195 INFO [stdout] 6b17686236a8c6f7501598d2f2d79f5c576ce42130de34c58f25021b63479fd5