Dec 12 00:20:52.845 INFO checking ShaunApps/learning-rust-and-bitcoin against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 00:20:52.845 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 12 00:20:53.382 INFO [stdout] 391e2f3f0378b4bbbcb9a1792ad5be30b34a094a516fa3074171877f0130a106
Dec 12 00:20:53.384 INFO running `"docker" "start" "-a" "391e2f3f0378b4bbbcb9a1792ad5be30b34a094a516fa3074171877f0130a106"`
Dec 12 00:20:55.060 INFO [stderr] usermod: no changes
Dec 12 00:20:55.344 INFO [stderr]     Checking want v0.0.5
Dec 12 00:20:55.373 INFO [stderr]     Checking pretty_env_logger v0.2.3
Dec 12 00:20:56.372 INFO [stderr]     Checking hyper v0.12.2
Dec 12 00:21:01.693 INFO [stderr]     Checking crypto v0.1.0 (/source)
Dec 12 00:21:04.496 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 00:21:04.496 INFO [stderr]  --> src/main.rs:5:1
Dec 12 00:21:04.496 INFO [stderr]   |
Dec 12 00:21:04.496 INFO [stderr] 5 | #[macro_use]
Dec 12 00:21:04.496 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 00:21:04.496 INFO [stderr]   |
Dec 12 00:21:04.496 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 00:21:04.496 INFO [stderr] 
Dec 12 00:21:04.496 INFO [stderr] warning: unused imports: `Error`, `Value`
Dec 12 00:21:04.496 INFO [stderr]  --> src/main.rs:8:18
Dec 12 00:21:04.496 INFO [stderr]   |
Dec 12 00:21:04.496 INFO [stderr] 8 | use serde_json::{Value, Error};
Dec 12 00:21:04.496 INFO [stderr]   |                  ^^^^^  ^^^^^
Dec 12 00:21:04.496 INFO [stderr] 
Dec 12 00:21:04.496 INFO [stderr] warning: unused imports: `Digest`, `Sha256`
Dec 12 00:21:04.496 INFO [stderr]   --> src/main.rs:10:12
Dec 12 00:21:04.496 INFO [stderr]    |
Dec 12 00:21:04.496 INFO [stderr] 10 | use sha2::{Sha256, Digest};
Dec 12 00:21:04.496 INFO [stderr]    |            ^^^^^^  ^^^^^^
Dec 12 00:21:04.496 INFO [stderr] 
Dec 12 00:21:04.496 INFO [stderr] warning: unused import: `std::env`
Dec 12 00:21:04.496 INFO [stderr]   --> src/main.rs:11:5
Dec 12 00:21:04.496 INFO [stderr]    |
Dec 12 00:21:04.496 INFO [stderr] 11 | use std::env;
Dec 12 00:21:04.496 INFO [stderr]    |     ^^^^^^^^
Dec 12 00:21:04.496 INFO [stderr] 
Dec 12 00:21:04.496 INFO [stderr] warning: unused imports: `Future`, `Stream`, `self`
Dec 12 00:21:04.496 INFO [stderr]   --> src/main.rs:12:17
Dec 12 00:21:04.496 INFO [stderr]    |
Dec 12 00:21:04.496 INFO [stderr] 12 | use hyper::rt::{self, Future, Stream};
Dec 12 00:21:04.496 INFO [stderr]    |                 ^^^^  ^^^^^^  ^^^^^^
Dec 12 00:21:04.496 INFO [stderr] 
Dec 12 00:21:04.496 INFO [stderr] warning: unused import: `std::env`
Dec 12 00:21:04.496 INFO [stderr]  --> src/utxos/mod.rs:4:5
Dec 12 00:21:04.496 INFO [stderr]   |
Dec 12 00:21:04.496 INFO [stderr] 4 | use std::env;
Dec 12 00:21:04.496 INFO [stderr]   |     ^^^^^^^^
Dec 12 00:21:04.496 INFO [stderr] 
Dec 12 00:21:04.496 INFO [stderr] warning: unused imports: `Write`, `self`
Dec 12 00:21:04.496 INFO [stderr]  --> src/utxos/mod.rs:5:15
Dec 12 00:21:04.496 INFO [stderr]   |
Dec 12 00:21:04.497 INFO [stderr] 5 | use std::io::{self, Write};
Dec 12 00:21:04.497 INFO [stderr]   |               ^^^^  ^^^^^
Dec 12 00:21:04.497 INFO [stderr] 
Dec 12 00:21:04.497 INFO [stderr] warning: unused import: `std::str`
Dec 12 00:21:04.497 INFO [stderr]  --> src/utxos/mod.rs:6:5
Dec 12 00:21:04.497 INFO [stderr]   |
Dec 12 00:21:04.497 INFO [stderr] 6 | use std::str;
Dec 12 00:21:04.497 INFO [stderr]   |     ^^^^^^^^
Dec 12 00:21:04.497 INFO [stderr] 
Dec 12 00:21:04.497 INFO [stderr] warning: unused import: `hyper::Client`
Dec 12 00:21:04.497 INFO [stderr]  --> src/utxos/mod.rs:8:5
Dec 12 00:21:04.497 INFO [stderr]   |
Dec 12 00:21:04.497 INFO [stderr] 8 | use hyper::Client;
Dec 12 00:21:04.497 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 12 00:21:04.497 INFO [stderr] 
Dec 12 00:21:04.497 INFO [stderr] warning: unused imports: `Future`, `Stream`, `self`
Dec 12 00:21:04.497 INFO [stderr]  --> src/utxos/mod.rs:9:17
Dec 12 00:21:04.497 INFO [stderr]   |
Dec 12 00:21:04.497 INFO [stderr] 9 | use hyper::rt::{self, Future, Stream};
Dec 12 00:21:04.497 INFO [stderr]   |                 ^^^^  ^^^^^^  ^^^^^^
Dec 12 00:21:04.497 INFO [stderr] 
Dec 12 00:21:04.497 INFO [stderr] warning: unused imports: `Error`, `Value`
Dec 12 00:21:04.497 INFO [stderr]   --> src/utxos/mod.rs:11:18
Dec 12 00:21:04.497 INFO [stderr]    |
Dec 12 00:21:04.497 INFO [stderr] 11 | use serde_json::{Value, Error};
Dec 12 00:21:04.497 INFO [stderr]    |                  ^^^^^  ^^^^^
Dec 12 00:21:04.497 INFO [stderr] 
Dec 12 00:21:04.497 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 12 00:21:04.497 INFO [stderr]   --> src/field_element.rs:20:23
Dec 12 00:21:04.497 INFO [stderr]    |
Dec 12 00:21:04.497 INFO [stderr] 20 |         let exp_num = (num.pow(other) % self.prime);
Dec 12 00:21:04.497 INFO [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 00:21:04.497 INFO [stderr]    |
Dec 12 00:21:04.497 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 00:21:04.497 INFO [stderr] 
Dec 12 00:21:04.497 INFO [stderr] warning: unused import: `FieldElement`
Dec 12 00:21:04.497 INFO [stderr]  --> src/elliptic_curves.rs:7:21
Dec 12 00:21:04.497 INFO [stderr]   |
Dec 12 00:21:04.497 INFO [stderr] 7 | use field_element::{FieldElement};
Dec 12 00:21:04.497 INFO [stderr]   |                     ^^^^^^^^^^^^
Dec 12 00:21:04.497 INFO [stderr] 
Dec 12 00:21:04.497 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 12 00:21:04.497 INFO [stderr]   --> src/elliptic_curves.rs:31:12
Dec 12 00:21:04.497 INFO [stderr]    |
Dec 12 00:21:04.497 INFO [stderr] 31 |         if (self.a != other.a || self.b != other.b) { panic!("Points are not on the same curve!")}
Dec 12 00:21:04.497 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 00:21:04.497 INFO [stderr] 
Dec 12 00:21:04.497 INFO [stderr] warning: unused import: `std::fs::File`
Dec 12 00:21:04.497 INFO [stderr]   --> src/main.rs:18:5
Dec 12 00:21:04.497 INFO [stderr]    |
Dec 12 00:21:04.497 INFO [stderr] 18 | use std::fs::File;
Dec 12 00:21:04.497 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 12 00:21:04.497 INFO [stderr] 
Dec 12 00:21:04.497 INFO [stderr] warning: unused import: `std::path::Path`
Dec 12 00:21:04.497 INFO [stderr]   --> src/main.rs:19:5
Dec 12 00:21:04.497 INFO [stderr]    |
Dec 12 00:21:04.497 INFO [stderr] 19 | use std::path::Path;
Dec 12 00:21:04.497 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 12 00:21:04.497 INFO [stderr] 
Dec 12 00:21:04.497 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 12 00:21:04.497 INFO [stderr]   --> src/main.rs:20:5
Dec 12 00:21:04.497 INFO [stderr]    |
Dec 12 00:21:04.497 INFO [stderr] 20 | use std::io::prelude::*;
Dec 12 00:21:04.497 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 00:21:04.497 INFO [stderr] 
Dec 12 00:21:04.524 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 00:21:04.524 INFO [stderr]  --> src/main.rs:5:1
Dec 12 00:21:04.524 INFO [stderr]   |
Dec 12 00:21:04.524 INFO [stderr] 5 | #[macro_use]
Dec 12 00:21:04.524 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 00:21:04.524 INFO [stderr]   |
Dec 12 00:21:04.524 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 00:21:04.524 INFO [stderr] 
Dec 12 00:21:04.524 INFO [stderr] warning: unused imports: `Error`, `Value`
Dec 12 00:21:04.524 INFO [stderr]  --> src/main.rs:8:18
Dec 12 00:21:04.524 INFO [stderr]   |
Dec 12 00:21:04.524 INFO [stderr] 8 | use serde_json::{Value, Error};
Dec 12 00:21:04.524 INFO [stderr]   |                  ^^^^^  ^^^^^
Dec 12 00:21:04.524 INFO [stderr] 
Dec 12 00:21:04.524 INFO [stderr] warning: unused import: `Digest`
Dec 12 00:21:04.524 INFO [stderr]   --> src/main.rs:10:20
Dec 12 00:21:04.524 INFO [stderr]    |
Dec 12 00:21:04.524 INFO [stderr] 10 | use sha2::{Sha256, Digest};
Dec 12 00:21:04.524 INFO [stderr]    |                    ^^^^^^
Dec 12 00:21:04.524 INFO [stderr] 
Dec 12 00:21:04.524 INFO [stderr] warning: unused import: `std::env`
Dec 12 00:21:04.524 INFO [stderr]   --> src/main.rs:11:5
Dec 12 00:21:04.524 INFO [stderr]    |
Dec 12 00:21:04.524 INFO [stderr] 11 | use std::env;
Dec 12 00:21:04.524 INFO [stderr]    |     ^^^^^^^^
Dec 12 00:21:04.524 INFO [stderr] 
Dec 12 00:21:04.524 INFO [stderr] warning: unused imports: `Future`, `Stream`, `self`
Dec 12 00:21:04.524 INFO [stderr]   --> src/main.rs:12:17
Dec 12 00:21:04.524 INFO [stderr]    |
Dec 12 00:21:04.524 INFO [stderr] 12 | use hyper::rt::{self, Future, Stream};
Dec 12 00:21:04.524 INFO [stderr]    |                 ^^^^  ^^^^^^  ^^^^^^
Dec 12 00:21:04.524 INFO [stderr] 
Dec 12 00:21:04.524 INFO [stderr] warning: unused import: `std::env`
Dec 12 00:21:04.524 INFO [stderr]  --> src/utxos/mod.rs:4:5
Dec 12 00:21:04.524 INFO [stderr]   |
Dec 12 00:21:04.525 INFO [stderr] 4 | use std::env;
Dec 12 00:21:04.525 INFO [stderr]   |     ^^^^^^^^
Dec 12 00:21:04.525 INFO [stderr] 
Dec 12 00:21:04.525 INFO [stderr] warning: unused imports: `Write`, `self`
Dec 12 00:21:04.525 INFO [stderr]  --> src/utxos/mod.rs:5:15
Dec 12 00:21:04.525 INFO [stderr]   |
Dec 12 00:21:04.525 INFO [stderr] 5 | use std::io::{self, Write};
Dec 12 00:21:04.525 INFO [stderr]   |               ^^^^  ^^^^^
Dec 12 00:21:04.525 INFO [stderr] 
Dec 12 00:21:04.525 INFO [stderr] warning: unused import: `std::str`
Dec 12 00:21:04.525 INFO [stderr]  --> src/utxos/mod.rs:6:5
Dec 12 00:21:04.525 INFO [stderr]   |
Dec 12 00:21:04.525 INFO [stderr] 6 | use std::str;
Dec 12 00:21:04.525 INFO [stderr]   |     ^^^^^^^^
Dec 12 00:21:04.525 INFO [stderr] 
Dec 12 00:21:04.525 INFO [stderr] warning: unused import: `hyper::Client`
Dec 12 00:21:04.525 INFO [stderr]  --> src/utxos/mod.rs:8:5
Dec 12 00:21:04.525 INFO [stderr]   |
Dec 12 00:21:04.525 INFO [stderr] 8 | use hyper::Client;
Dec 12 00:21:04.525 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 12 00:21:04.525 INFO [stderr] 
Dec 12 00:21:04.525 INFO [stderr] warning: unused imports: `Future`, `Stream`, `self`
Dec 12 00:21:04.525 INFO [stderr]  --> src/utxos/mod.rs:9:17
Dec 12 00:21:04.525 INFO [stderr]   |
Dec 12 00:21:04.525 INFO [stderr] 9 | use hyper::rt::{self, Future, Stream};
Dec 12 00:21:04.525 INFO [stderr]   |                 ^^^^  ^^^^^^  ^^^^^^
Dec 12 00:21:04.525 INFO [stderr] 
Dec 12 00:21:04.525 INFO [stderr] warning: unused imports: `Error`, `Value`
Dec 12 00:21:04.525 INFO [stderr]   --> src/utxos/mod.rs:11:18
Dec 12 00:21:04.525 INFO [stderr]    |
Dec 12 00:21:04.525 INFO [stderr] 11 | use serde_json::{Value, Error};
Dec 12 00:21:04.525 INFO [stderr]    |                  ^^^^^  ^^^^^
Dec 12 00:21:04.525 INFO [stderr] 
Dec 12 00:21:04.525 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 12 00:21:04.525 INFO [stderr]   --> src/field_element.rs:20:23
Dec 12 00:21:04.525 INFO [stderr]    |
Dec 12 00:21:04.525 INFO [stderr] 20 |         let exp_num = (num.pow(other) % self.prime);
Dec 12 00:21:04.525 INFO [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 00:21:04.525 INFO [stderr]    |
Dec 12 00:21:04.525 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 00:21:04.525 INFO [stderr] 
Dec 12 00:21:04.525 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 12 00:21:04.525 INFO [stderr]   --> src/elliptic_curves.rs:31:12
Dec 12 00:21:04.525 INFO [stderr]    |
Dec 12 00:21:04.525 INFO [stderr] 31 |         if (self.a != other.a || self.b != other.b) { panic!("Points are not on the same curve!")}
Dec 12 00:21:04.525 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 00:21:04.525 INFO [stderr] 
Dec 12 00:21:04.525 INFO [stderr] warning: unused import: `std::fs::File`
Dec 12 00:21:04.525 INFO [stderr]   --> src/main.rs:18:5
Dec 12 00:21:04.525 INFO [stderr]    |
Dec 12 00:21:04.525 INFO [stderr] 18 | use std::fs::File;
Dec 12 00:21:04.525 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 12 00:21:04.525 INFO [stderr] 
Dec 12 00:21:04.525 INFO [stderr] warning: unused import: `std::path::Path`
Dec 12 00:21:04.525 INFO [stderr]   --> src/main.rs:19:5
Dec 12 00:21:04.525 INFO [stderr]    |
Dec 12 00:21:04.525 INFO [stderr] 19 | use std::path::Path;
Dec 12 00:21:04.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 12 00:21:04.525 INFO [stderr] 
Dec 12 00:21:04.525 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 12 00:21:04.525 INFO [stderr]   --> src/main.rs:20:5
Dec 12 00:21:04.525 INFO [stderr]    |
Dec 12 00:21:04.525 INFO [stderr] 20 | use std::io::prelude::*;
Dec 12 00:21:04.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 00:21:04.525 INFO [stderr] 
Dec 12 00:21:04.612 INFO [stderr] warning: unused variable: `data`
Dec 12 00:21:04.612 INFO [stderr]   --> src/main.rs:28:5
Dec 12 00:21:04.612 INFO [stderr]    |
Dec 12 00:21:04.612 INFO [stderr] 28 | let data = r#"[
Dec 12 00:21:04.612 INFO [stderr]    |     ^^^^ help: consider using `_data` instead
Dec 12 00:21:04.612 INFO [stderr]    |
Dec 12 00:21:04.612 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:21:04.612 INFO [stderr] 
Dec 12 00:21:04.704 INFO [stderr] warning: unused variable: `data`
Dec 12 00:21:04.704 INFO [stderr]   --> src/main.rs:28:5
Dec 12 00:21:04.704 INFO [stderr]    |
Dec 12 00:21:04.704 INFO [stderr] 28 | let data = r#"[
Dec 12 00:21:04.704 INFO [stderr]    |     ^^^^ help: consider using `_data` instead
Dec 12 00:21:04.704 INFO [stderr]    |
Dec 12 00:21:04.704 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:21:04.704 INFO [stderr] 
Dec 12 00:21:04.785 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.69s
Dec 12 00:21:04.794 INFO [stderr] su: No module specific data is present
Dec 12 00:21:05.606 INFO running `"docker" "inspect" "391e2f3f0378b4bbbcb9a1792ad5be30b34a094a516fa3074171877f0130a106"`
Dec 12 00:21:05.802 INFO running `"docker" "rm" "-f" "391e2f3f0378b4bbbcb9a1792ad5be30b34a094a516fa3074171877f0130a106"`
Dec 12 00:21:06.022 INFO [stdout] 391e2f3f0378b4bbbcb9a1792ad5be30b34a094a516fa3074171877f0130a106