Dec 19 20:28:39.663 INFO checking andybug/rustychain against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:28:39.663 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/andybug/rustychain:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:28:39.816 INFO [stdout] 8acdbd37194fc60f616802ca4e6cbcac83c2a96b65284b3cde2e89833a7ae088
Dec 19 20:28:39.818 INFO running `"docker" "start" "-a" "8acdbd37194fc60f616802ca4e6cbcac83c2a96b65284b3cde2e89833a7ae088"`
Dec 19 20:28:40.500 INFO [stderr]     Checking serde_yaml v0.7.1
Dec 19 20:28:40.504 INFO [stderr]     Checking generic-array v0.8.3
Dec 19 20:28:41.360 INFO [stderr]     Checking crypto-mac v0.4.0
Dec 19 20:28:41.360 INFO [stderr]     Checking digest v0.6.2
Dec 19 20:28:41.808 INFO [stderr]     Checking blake2 v0.6.1
Dec 19 20:28:42.396 INFO [stderr]     Checking rustychain v0.1.0 (/opt/crater/workdir)
Dec 19 20:28:42.856 INFO [stderr] warning: unused import: `SeqAccess`
Dec 19 20:28:42.856 INFO [stderr]  --> src/blockchain/block.rs:9:70
Dec 19 20:28:42.856 INFO [stderr]   |
Dec 19 20:28:42.856 INFO [stderr] 9 | use self::serde::de::{Visitor, Deserialize, Deserializer, MapAccess, SeqAccess};
Dec 19 20:28:42.856 INFO [stderr]   |                                                                      ^^^^^^^^^
Dec 19 20:28:42.857 INFO [stderr]   |
Dec 19 20:28:42.857 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 20:28:42.857 INFO [stderr] 
Dec 19 20:28:42.858 INFO [stderr] warning: unused import: `std::fs`
Dec 19 20:28:42.858 INFO [stderr]  --> src/blockchain/chain.rs:5:5
Dec 19 20:28:42.858 INFO [stderr]   |
Dec 19 20:28:42.859 INFO [stderr] 5 | use std::fs;
Dec 19 20:28:42.859 INFO [stderr]   |     ^^^^^^^
Dec 19 20:28:42.859 INFO [stderr] 
Dec 19 20:28:42.859 INFO [stderr] warning: unused import: `Hash256`
Dec 19 20:28:42.859 INFO [stderr]   --> src/blockchain/chain.rs:14:18
Dec 19 20:28:42.859 INFO [stderr]    |
Dec 19 20:28:42.859 INFO [stderr] 14 | use util::hash::{Hash256, HASH256_BYTES};
Dec 19 20:28:42.859 INFO [stderr]    |                  ^^^^^^^
Dec 19 20:28:42.859 INFO [stderr] 
Dec 19 20:28:42.860 INFO [stderr] warning: unused import: `FromHex`
Dec 19 20:28:42.860 INFO [stderr]  --> src/blockchain/transaction.rs:9:17
Dec 19 20:28:42.860 INFO [stderr]   |
Dec 19 20:28:42.860 INFO [stderr] 9 | use util::hex::{FromHex, ToHex};
Dec 19 20:28:42.860 INFO [stderr]   |                 ^^^^^^^
Dec 19 20:28:42.864 INFO [stderr] 
Dec 19 20:28:42.913 INFO [stderr] warning: unused import: `SeqAccess`
Dec 19 20:28:42.913 INFO [stderr]  --> src/blockchain/block.rs:9:70
Dec 19 20:28:42.913 INFO [stderr]   |
Dec 19 20:28:42.913 INFO [stderr] 9 | use self::serde::de::{Visitor, Deserialize, Deserializer, MapAccess, SeqAccess};
Dec 19 20:28:42.913 INFO [stderr]   |                                                                      ^^^^^^^^^
Dec 19 20:28:42.913 INFO [stderr]   |
Dec 19 20:28:42.913 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 20:28:42.913 INFO [stderr] 
Dec 19 20:28:42.913 INFO [stderr] warning: unused import: `std::fs`
Dec 19 20:28:42.913 INFO [stderr]  --> src/blockchain/chain.rs:5:5
Dec 19 20:28:42.913 INFO [stderr]   |
Dec 19 20:28:42.913 INFO [stderr] 5 | use std::fs;
Dec 19 20:28:42.913 INFO [stderr]   |     ^^^^^^^
Dec 19 20:28:42.913 INFO [stderr] 
Dec 19 20:28:42.913 INFO [stderr] warning: unused import: `Hash256`
Dec 19 20:28:42.913 INFO [stderr]   --> src/blockchain/chain.rs:14:18
Dec 19 20:28:42.913 INFO [stderr]    |
Dec 19 20:28:42.913 INFO [stderr] 14 | use util::hash::{Hash256, HASH256_BYTES};
Dec 19 20:28:42.913 INFO [stderr]    |                  ^^^^^^^
Dec 19 20:28:42.913 INFO [stderr] 
Dec 19 20:28:42.913 INFO [stderr] warning: unused import: `FromHex`
Dec 19 20:28:42.913 INFO [stderr]  --> src/blockchain/transaction.rs:9:17
Dec 19 20:28:42.913 INFO [stderr]   |
Dec 19 20:28:42.913 INFO [stderr] 9 | use util::hex::{FromHex, ToHex};
Dec 19 20:28:42.913 INFO [stderr]   |                 ^^^^^^^
Dec 19 20:28:42.913 INFO [stderr] 
Dec 19 20:28:43.073 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 19 20:28:43.073 INFO [stderr]  --> src/blockchain/chain.rs:9:5
Dec 19 20:28:43.073 INFO [stderr]   |
Dec 19 20:28:43.073 INFO [stderr] 9 | use std::io::prelude::*;
Dec 19 20:28:43.080 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 20:28:43.080 INFO [stderr] 
Dec 19 20:28:43.088 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 19 20:28:43.088 INFO [stderr]  --> src/blockchain/chain.rs:9:5
Dec 19 20:28:43.088 INFO [stderr]   |
Dec 19 20:28:43.088 INFO [stderr] 9 | use std::io::prelude::*;
Dec 19 20:28:43.088 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 20:28:43.088 INFO [stderr] 
Dec 19 20:28:43.156 INFO [stderr] warning: method is never used: `reset`
Dec 19 20:28:43.156 INFO [stderr]   --> src/util/hash.rs:25:5
Dec 19 20:28:43.156 INFO [stderr]    |
Dec 19 20:28:43.156 INFO [stderr] 25 |     pub fn reset(&mut self) {
Dec 19 20:28:43.156 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.156 INFO [stderr]    |
Dec 19 20:28:43.156 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 20:28:43.156 INFO [stderr] 
Dec 19 20:28:43.156 INFO [stderr] warning: function is never used: `now`
Dec 19 20:28:43.156 INFO [stderr]  --> src/util/time.rs:3:1
Dec 19 20:28:43.156 INFO [stderr]   |
Dec 19 20:28:43.156 INFO [stderr] 3 | pub fn now() -> u64 {
Dec 19 20:28:43.156 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.156 INFO [stderr] 
Dec 19 20:28:43.156 INFO [stderr] warning: method is never used: `new`
Dec 19 20:28:43.156 INFO [stderr]   --> src/blockchain/block.rs:26:5
Dec 19 20:28:43.156 INFO [stderr]    |
Dec 19 20:28:43.156 INFO [stderr] 26 |     pub fn new() -> Block {
Dec 19 20:28:43.156 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.156 INFO [stderr] 
Dec 19 20:28:43.156 INFO [stderr] warning: method is never used: `set_timestamp`
Dec 19 20:28:43.156 INFO [stderr]   --> src/blockchain/block.rs:36:5
Dec 19 20:28:43.156 INFO [stderr]    |
Dec 19 20:28:43.156 INFO [stderr] 36 |     pub fn set_timestamp(&mut self, ts: u64) {
Dec 19 20:28:43.156 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.156 INFO [stderr] 
Dec 19 20:28:43.156 INFO [stderr] warning: method is never used: `set_previous`
Dec 19 20:28:43.156 INFO [stderr]   --> src/blockchain/block.rs:40:5
Dec 19 20:28:43.156 INFO [stderr]    |
Dec 19 20:28:43.157 INFO [stderr] 40 |     pub fn set_previous(&mut self, p: &[u8; HASH256_BYTES]) {
Dec 19 20:28:43.157 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.157 INFO [stderr] 
Dec 19 20:28:43.157 INFO [stderr] warning: method is never used: `add_transaction`
Dec 19 20:28:43.157 INFO [stderr]   --> src/blockchain/block.rs:48:5
Dec 19 20:28:43.157 INFO [stderr]    |
Dec 19 20:28:43.157 INFO [stderr] 48 |     pub fn add_transaction(&mut self, tx: Transaction) {
Dec 19 20:28:43.157 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.157 INFO [stderr] 
Dec 19 20:28:43.157 INFO [stderr] warning: method is never used: `new`
Dec 19 20:28:43.157 INFO [stderr]   --> src/blockchain/transaction.rs:58:5
Dec 19 20:28:43.157 INFO [stderr]    |
Dec 19 20:28:43.157 INFO [stderr] 58 |     pub fn new() -> Transaction {
Dec 19 20:28:43.157 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.157 INFO [stderr] 
Dec 19 20:28:43.157 INFO [stderr] warning: method is never used: `set_timestamp`
Dec 19 20:28:43.157 INFO [stderr]   --> src/blockchain/transaction.rs:67:5
Dec 19 20:28:43.157 INFO [stderr]    |
Dec 19 20:28:43.157 INFO [stderr] 67 |     pub fn set_timestamp(&mut self, ts: u64) {
Dec 19 20:28:43.157 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.157 INFO [stderr] 
Dec 19 20:28:43.157 INFO [stderr] warning: method is never used: `add_output`
Dec 19 20:28:43.157 INFO [stderr]   --> src/blockchain/transaction.rs:71:5
Dec 19 20:28:43.157 INFO [stderr]    |
Dec 19 20:28:43.157 INFO [stderr] 71 |     pub fn add_output(&mut self, amount: u64) {
Dec 19 20:28:43.157 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.157 INFO [stderr] 
Dec 19 20:28:43.157 INFO [stderr] warning: variant `Merkle_root` should have a camel case name such as `MerkleRoot`
Dec 19 20:28:43.157 INFO [stderr]   --> src/blockchain/block.rs:88:52
Dec 19 20:28:43.157 INFO [stderr]    |
Dec 19 20:28:43.157 INFO [stderr] 88 |         enum Field { Version, Timestamp, Previous, Merkle_root };
Dec 19 20:28:43.157 INFO [stderr]    |                                                    ^^^^^^^^^^^
Dec 19 20:28:43.157 INFO [stderr]    |
Dec 19 20:28:43.157 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 19 20:28:43.157 INFO [stderr] 
Dec 19 20:28:43.157 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:28:43.157 INFO [stderr]   --> src/blockchain/chain.rs:83:21
Dec 19 20:28:43.157 INFO [stderr]    |
Dec 19 20:28:43.157 INFO [stderr] 83 |                     writeln!(&mut io::stderr(), "read_chain: {}", e);
Dec 19 20:28:43.157 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.157 INFO [stderr]    |
Dec 19 20:28:43.157 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:28:43.157 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:28:43.157 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 19 20:28:43.157 INFO [stderr] 
Dec 19 20:28:43.157 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:28:43.157 INFO [stderr]   --> src/blockchain/transaction.rs:19:9
Dec 19 20:28:43.157 INFO [stderr]    |
Dec 19 20:28:43.157 INFO [stderr] 19 |         hash.write_all(&self.hash);
Dec 19 20:28:43.157 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.157 INFO [stderr]    |
Dec 19 20:28:43.157 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:28:43.157 INFO [stderr] 
Dec 19 20:28:43.204 INFO [stderr] warning: method is never used: `reset`
Dec 19 20:28:43.204 INFO [stderr]   --> src/util/hash.rs:25:5
Dec 19 20:28:43.204 INFO [stderr]    |
Dec 19 20:28:43.204 INFO [stderr] 25 |     pub fn reset(&mut self) {
Dec 19 20:28:43.204 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.204 INFO [stderr]    |
Dec 19 20:28:43.205 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 20:28:43.205 INFO [stderr] 
Dec 19 20:28:43.205 INFO [stderr] warning: function is never used: `now`
Dec 19 20:28:43.205 INFO [stderr]  --> src/util/time.rs:3:1
Dec 19 20:28:43.205 INFO [stderr]   |
Dec 19 20:28:43.205 INFO [stderr] 3 | pub fn now() -> u64 {
Dec 19 20:28:43.205 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.205 INFO [stderr] 
Dec 19 20:28:43.205 INFO [stderr] warning: method is never used: `new`
Dec 19 20:28:43.205 INFO [stderr]   --> src/blockchain/block.rs:26:5
Dec 19 20:28:43.205 INFO [stderr]    |
Dec 19 20:28:43.205 INFO [stderr] 26 |     pub fn new() -> Block {
Dec 19 20:28:43.205 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.205 INFO [stderr] 
Dec 19 20:28:43.205 INFO [stderr] warning: method is never used: `set_timestamp`
Dec 19 20:28:43.205 INFO [stderr]   --> src/blockchain/block.rs:36:5
Dec 19 20:28:43.205 INFO [stderr]    |
Dec 19 20:28:43.205 INFO [stderr] 36 |     pub fn set_timestamp(&mut self, ts: u64) {
Dec 19 20:28:43.205 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.205 INFO [stderr] 
Dec 19 20:28:43.205 INFO [stderr] warning: method is never used: `set_previous`
Dec 19 20:28:43.205 INFO [stderr]   --> src/blockchain/block.rs:40:5
Dec 19 20:28:43.205 INFO [stderr]    |
Dec 19 20:28:43.205 INFO [stderr] 40 |     pub fn set_previous(&mut self, p: &[u8; HASH256_BYTES]) {
Dec 19 20:28:43.205 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.205 INFO [stderr] 
Dec 19 20:28:43.205 INFO [stderr] warning: method is never used: `add_transaction`
Dec 19 20:28:43.205 INFO [stderr]   --> src/blockchain/block.rs:48:5
Dec 19 20:28:43.205 INFO [stderr]    |
Dec 19 20:28:43.205 INFO [stderr] 48 |     pub fn add_transaction(&mut self, tx: Transaction) {
Dec 19 20:28:43.205 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.205 INFO [stderr] 
Dec 19 20:28:43.205 INFO [stderr] warning: method is never used: `new`
Dec 19 20:28:43.205 INFO [stderr]   --> src/blockchain/transaction.rs:58:5
Dec 19 20:28:43.205 INFO [stderr]    |
Dec 19 20:28:43.205 INFO [stderr] 58 |     pub fn new() -> Transaction {
Dec 19 20:28:43.205 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.205 INFO [stderr] 
Dec 19 20:28:43.205 INFO [stderr] warning: method is never used: `set_timestamp`
Dec 19 20:28:43.205 INFO [stderr]   --> src/blockchain/transaction.rs:67:5
Dec 19 20:28:43.205 INFO [stderr]    |
Dec 19 20:28:43.205 INFO [stderr] 67 |     pub fn set_timestamp(&mut self, ts: u64) {
Dec 19 20:28:43.205 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.205 INFO [stderr] 
Dec 19 20:28:43.205 INFO [stderr] warning: method is never used: `add_output`
Dec 19 20:28:43.205 INFO [stderr]   --> src/blockchain/transaction.rs:71:5
Dec 19 20:28:43.205 INFO [stderr]    |
Dec 19 20:28:43.205 INFO [stderr] 71 |     pub fn add_output(&mut self, amount: u64) {
Dec 19 20:28:43.205 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.205 INFO [stderr] 
Dec 19 20:28:43.216 INFO [stderr] warning: variant `Merkle_root` should have a camel case name such as `MerkleRoot`
Dec 19 20:28:43.216 INFO [stderr]   --> src/blockchain/block.rs:88:52
Dec 19 20:28:43.216 INFO [stderr]    |
Dec 19 20:28:43.216 INFO [stderr] 88 |         enum Field { Version, Timestamp, Previous, Merkle_root };
Dec 19 20:28:43.216 INFO [stderr]    |                                                    ^^^^^^^^^^^
Dec 19 20:28:43.216 INFO [stderr]    |
Dec 19 20:28:43.216 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 19 20:28:43.216 INFO [stderr] 
Dec 19 20:28:43.216 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:28:43.216 INFO [stderr]   --> src/blockchain/chain.rs:83:21
Dec 19 20:28:43.216 INFO [stderr]    |
Dec 19 20:28:43.216 INFO [stderr] 83 |                     writeln!(&mut io::stderr(), "read_chain: {}", e);
Dec 19 20:28:43.216 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.216 INFO [stderr]    |
Dec 19 20:28:43.216 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:28:43.216 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:28:43.217 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 19 20:28:43.217 INFO [stderr] 
Dec 19 20:28:43.217 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:28:43.217 INFO [stderr]   --> src/blockchain/transaction.rs:19:9
Dec 19 20:28:43.217 INFO [stderr]    |
Dec 19 20:28:43.217 INFO [stderr] 19 |         hash.write_all(&self.hash);
Dec 19 20:28:43.217 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:28:43.217 INFO [stderr]    |
Dec 19 20:28:43.217 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:28:43.217 INFO [stderr] 
Dec 19 20:28:43.262 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
Dec 19 20:28:43.827 INFO running `"docker" "inspect" "8acdbd37194fc60f616802ca4e6cbcac83c2a96b65284b3cde2e89833a7ae088"`
Dec 19 20:28:43.917 INFO running `"docker" "rm" "-f" "8acdbd37194fc60f616802ca4e6cbcac83c2a96b65284b3cde2e89833a7ae088"`
Dec 19 20:28:44.016 INFO [stdout] 8acdbd37194fc60f616802ca4e6cbcac83c2a96b65284b3cde2e89833a7ae088