[INFO] updating cached repository ShaunApps/learning-rust-and-bitcoin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ShaunApps/learning-rust-and-bitcoin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ShaunApps/learning-rust-and-bitcoin" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ShaunApps/learning-rust-and-bitcoin"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ShaunApps/learning-rust-and-bitcoin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ShaunApps/learning-rust-and-bitcoin" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/ShaunApps/learning-rust-and-bitcoin"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/ShaunApps/learning-rust-and-bitcoin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 207a360e16ae950e857e17ff2fe5acd2b55af0cd
[INFO] sha for GitHub repo ShaunApps/learning-rust-and-bitcoin: 207a360e16ae950e857e17ff2fe5acd2b55af0cd
[INFO] validating manifest of ShaunApps/learning-rust-and-bitcoin on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ShaunApps/learning-rust-and-bitcoin on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ShaunApps/learning-rust-and-bitcoin
[INFO] finished frobbing ShaunApps/learning-rust-and-bitcoin
[INFO] frobbed toml for ShaunApps/learning-rust-and-bitcoin written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ShaunApps/learning-rust-and-bitcoin/Cargo.toml
[INFO] started frobbing ShaunApps/learning-rust-and-bitcoin
[INFO] finished frobbing ShaunApps/learning-rust-and-bitcoin
[INFO] frobbed toml for ShaunApps/learning-rust-and-bitcoin written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/ShaunApps/learning-rust-and-bitcoin/Cargo.toml
[INFO] crate ShaunApps/learning-rust-and-bitcoin already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ShaunApps/learning-rust-and-bitcoin against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-6/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ShaunApps/learning-rust-and-bitcoin:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b88059e76b4ea94ceab3261cd3c568ec9a15785f415c365f06dcd5e8f196dd6b
[INFO] running `"docker" "start" "-a" "b88059e76b4ea94ceab3261cd3c568ec9a15785f415c365f06dcd5e8f196dd6b"`
[INFO] [stderr]     Checking want v0.0.5
[INFO] [stderr]     Checking h2 v0.1.10
[INFO] [stderr]     Checking pretty_env_logger v0.2.3
[INFO] [stderr]     Checking hyper v0.12.2
[INFO] [stderr]     Checking crypto v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Error`, `Value`
[INFO] [stderr]  --> src/main.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | use serde_json::{Value, Error};
[INFO] [stderr]   |                  ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Digest`, `Sha256`
[INFO] [stderr]   --> src/main.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | use sha2::{Sha256, Digest};
[INFO] [stderr]    |            ^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::env;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Future`, `Stream`, `self`
[INFO] [stderr]   --> src/main.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 | use hyper::rt::{self, Future, Stream};
[INFO] [stderr]    |                 ^^^^  ^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/utxos/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Write`, `self`
[INFO] [stderr]  --> src/utxos/mod.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, Write};
[INFO] [stderr]   |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/utxos/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hyper::Client`
[INFO] [stderr]  --> src/utxos/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use hyper::Client;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Future`, `Stream`, `self`
[INFO] [stderr]  --> src/utxos/mod.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | use hyper::rt::{self, Future, Stream};
[INFO] [stderr]   |                 ^^^^  ^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Error`, `Value`
[INFO] [stderr]   --> src/utxos/mod.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 | use serde_json::{Value, Error};
[INFO] [stderr]    |                  ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/field_element.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let exp_num = (num.pow(other) % self.prime);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FieldElement`
[INFO] [stderr]  --> src/elliptic_curves.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | use field_element::{FieldElement};
[INFO] [stderr]   |                     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/elliptic_curves.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |         if (self.a != other.a || self.b != other.b) { panic!("Points are not on the same curve!")}
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Error`, `Value`
[INFO] [stderr]  --> src/main.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | use serde_json::{Value, Error};
[INFO] [stderr]   |                  ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Digest`
[INFO] [stderr]   --> src/main.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 | use sha2::{Sha256, Digest};
[INFO] [stderr]    |                    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::env;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Future`, `Stream`, `self`
[INFO] [stderr]   --> src/main.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 | use hyper::rt::{self, Future, Stream};
[INFO] [stderr]    |                 ^^^^  ^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/utxos/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Write`, `self`
[INFO] [stderr]  --> src/utxos/mod.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, Write};
[INFO] [stderr]   |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/utxos/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hyper::Client`
[INFO] [stderr]  --> src/utxos/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use hyper::Client;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Future`, `Stream`, `self`
[INFO] [stderr]  --> src/utxos/mod.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | use hyper::rt::{self, Future, Stream};
[INFO] [stderr]   |                 ^^^^  ^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Error`, `Value`
[INFO] [stderr]   --> src/utxos/mod.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 | use serde_json::{Value, Error};
[INFO] [stderr]    |                  ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/field_element.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let exp_num = (num.pow(other) % self.prime);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/elliptic_curves.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |         if (self.a != other.a || self.b != other.b) { panic!("Points are not on the same curve!")}
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | let data = r#"[
[INFO] [stderr]    |     ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | let data = r#"[
[INFO] [stderr]    |     ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.03s
[INFO] running `"docker" "inspect" "b88059e76b4ea94ceab3261cd3c568ec9a15785f415c365f06dcd5e8f196dd6b"`
[INFO] running `"docker" "rm" "-f" "b88059e76b4ea94ceab3261cd3c568ec9a15785f415c365f06dcd5e8f196dd6b"`
[INFO] [stdout] b88059e76b4ea94ceab3261cd3c568ec9a15785f415c365f06dcd5e8f196dd6b