[INFO] updating cached repository https://github.com/JacksonCoder/fire-chain
[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] 378f8cff3b1ec40b08ad45b69c7cfcbdc98e4d72
[INFO] testing JacksonCoder/fire-chain against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacksonCoder%2Ffire-chain" "work/builds/worker-8/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JacksonCoder/fire-chain on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/JacksonCoder/fire-chain
[INFO] finished tweaking git repo https://github.com/JacksonCoder/fire-chain
[INFO] tweaked toml for git repo https://github.com/JacksonCoder/fire-chain written to work/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/JacksonCoder/fire-chain already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 0f40ea183533d902281f53390e0eed3ca716ddf5ef97be4676a1ed5abfc095b7
[INFO] running `"docker" "start" "-a" "0f40ea183533d902281f53390e0eed3ca716ddf5ef97be4676a1ed5abfc095b7"`
[INFO] [stderr]    Compiling uuid v0.1.18
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling clap v2.29.2
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling url v0.2.38
[INFO] [stderr]    Compiling tiny_http v0.5.8
[INFO] [stderr]    Compiling fchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `firechain`
[INFO] [stderr]  --> src/server.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use firechain;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `firechain::setup_interface`
[INFO] [stderr]  --> src/server.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use firechain::setup_interface;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `firechain::chain_exists`
[INFO] [stderr]  --> src/server.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use firechain::chain_exists;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `firechain::Handler`
[INFO] [stderr]  --> src/server.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use firechain::Handler;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `firechain::Input`
[INFO] [stderr]  --> src/server.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use firechain::Input;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]   --> src/server.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::str::FromStr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arg`, `SubCommand`
[INFO] [stderr]  --> src/main.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use clap::{App, Arg, SubCommand, ArgMatches};
[INFO] [stderr]   |                 ^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParseError`
[INFO] [stderr]   --> src/main.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 | use url::{Url, ParseError};
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ledger_file_path`
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let ledger_file_path = match matches.value_of("dbpath") {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_ledger_file_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `threads`
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let threads = match matches.value_of("threads") {
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_threads`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vec`
[INFO] [stderr]   --> src/firechain/mod.rs:57:15
[INFO] [stderr]    |
[INFO] [stderr] 57 |         Array(vec) => {
[INFO] [stderr]    |               ^^^ help: consider prefixing with an underscore: `_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `E`
[INFO] [stderr]   --> src/firechain/mod.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |             Err(E) => fatal_error(format!("The file '{}' could not be opened.",s).as_str(),-1)
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_E`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `is_record_request` is assigned to, but never used
[INFO] [stderr]   --> src/server.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut is_record_request: bool;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_is_record_request` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `is_record_request` is never read
[INFO] [stderr]   --> src/server.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |             is_record_request = match qpair.1.clone().into_owned().clone().as_str() {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/firechain/mod.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let mut file = File::open(s);
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `FireChainStatus`
[INFO] [stderr]  --> src/firechain/enums.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum FireChainStatus {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `json_parse`
[INFO] [stderr]  --> src/firechain/parser.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn json_parse(input: &str) -> json::JsonValue {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `json_to_str`
[INFO] [stderr]   --> src/firechain/parser.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn json_to_str(input: json::JsonValue) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ecdsa_check`
[INFO] [stderr]  --> src/firechain/crypto.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn ecdsa_check(key: &str, msg: &str, sig: &str) -> bool {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `match_signature`
[INFO] [stderr]   --> src/firechain/crypto.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn match_signature(key_list: Vec<PKey>, msg: &str, hash: &str) -> Option<PKey> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `setup_interface`
[INFO] [stderr]   --> src/firechain/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn setup_interface() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `chain_exists`
[INFO] [stderr]   --> src/firechain/mod.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn chain_exists(chain: &Handler) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Handler`
[INFO] [stderr]   --> src/firechain/mod.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub struct Handler {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Input`
[INFO] [stderr]   --> src/firechain/mod.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct Input {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Signature`
[INFO] [stderr]   --> src/firechain/mod.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub struct Signature {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PKey`
[INFO] [stderr]   --> src/firechain/mod.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub struct PKey {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Transaction`
[INFO] [stderr]   --> src/firechain/mod.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub struct Transaction {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `json_read_ledger_file`
[INFO] [stderr]   --> src/firechain/mod.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn json_read_ledger_file(json_obj: JsonValue) -> (Vec<Transaction>,u32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_unknown`
[INFO] [stderr]   --> src/firechain/mod.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn new_unknown(input: Input) -> Handler {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/firechain/mod.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn parse(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/firechain/mod.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn new(s: &str) -> Input {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_result`
[INFO] [stderr]    --> src/firechain/mod.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn get_result(&self) -> &str {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_from_hash`
[INFO] [stderr]    --> src/firechain/mod.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn new_from_hash(hash: String, public_key_list: Vec<PKey>, msg: String) -> Option<Signature> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/firechain/mod.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn new(hash: String, msg: String, pkey: PKey) -> Signature {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_public`
[INFO] [stderr]    --> src/firechain/mod.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn get_public(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `return_json`
[INFO] [stderr]   --> src/server.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn return_json(string: &str) -> Response<Cursor<Vec<u8>>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 rq.respond(response);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/firechain/mod.rs:90:17
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 file.read_to_string(& mut output);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]   --> src/firechain/mod.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |             Err(E) => fatal_error(format!("The file '{}' could not be opened.",s).as_str(),-1)
[INFO] [stderr]    |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]   --> src/firechain/parser.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |         Err(E) => fatal_error(format!("The designated FireChain file has invalid JSON data: {}",E).as_str(),-1)
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `e`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `"docker" "inspect" "0f40ea183533d902281f53390e0eed3ca716ddf5ef97be4676a1ed5abfc095b7"`
[INFO] running `"docker" "rm" "-f" "0f40ea183533d902281f53390e0eed3ca716ddf5ef97be4676a1ed5abfc095b7"`
[INFO] [stdout] 0f40ea183533d902281f53390e0eed3ca716ddf5ef97be4676a1ed5abfc095b7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2999e2672b7b05bef9998e0250e0feecdb2018810991c1cac5e65d8f97805ef4
[INFO] running `"docker" "start" "-a" "2999e2672b7b05bef9998e0250e0feecdb2018810991c1cac5e65d8f97805ef4"`
[INFO] [stderr]    Compiling fchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `firechain`
[INFO] [stderr]  --> src/server.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use firechain;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `firechain::setup_interface`
[INFO] [stderr]  --> src/server.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use firechain::setup_interface;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `firechain::chain_exists`
[INFO] [stderr]  --> src/server.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use firechain::chain_exists;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `firechain::Handler`
[INFO] [stderr]  --> src/server.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use firechain::Handler;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `firechain::Input`
[INFO] [stderr]  --> src/server.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use firechain::Input;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]   --> src/server.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::str::FromStr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arg`, `SubCommand`
[INFO] [stderr]  --> src/main.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use clap::{App, Arg, SubCommand, ArgMatches};
[INFO] [stderr]   |                 ^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParseError`
[INFO] [stderr]   --> src/main.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 | use url::{Url, ParseError};
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ledger_file_path`
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let ledger_file_path = match matches.value_of("dbpath") {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_ledger_file_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `threads`
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let threads = match matches.value_of("threads") {
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_threads`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vec`
[INFO] [stderr]   --> src/firechain/mod.rs:57:15
[INFO] [stderr]    |
[INFO] [stderr] 57 |         Array(vec) => {
[INFO] [stderr]    |               ^^^ help: consider prefixing with an underscore: `_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `E`
[INFO] [stderr]   --> src/firechain/mod.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |             Err(E) => fatal_error(format!("The file '{}' could not be opened.",s).as_str(),-1)
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_E`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `is_record_request` is assigned to, but never used
[INFO] [stderr]   --> src/server.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut is_record_request: bool;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_is_record_request` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `is_record_request` is never read
[INFO] [stderr]   --> src/server.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |             is_record_request = match qpair.1.clone().into_owned().clone().as_str() {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/firechain/mod.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let mut file = File::open(s);
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `FireChainStatus`
[INFO] [stderr]  --> src/firechain/enums.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum FireChainStatus {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `json_parse`
[INFO] [stderr]  --> src/firechain/parser.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn json_parse(input: &str) -> json::JsonValue {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `json_to_str`
[INFO] [stderr]   --> src/firechain/parser.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn json_to_str(input: json::JsonValue) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ecdsa_check`
[INFO] [stderr]  --> src/firechain/crypto.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn ecdsa_check(key: &str, msg: &str, sig: &str) -> bool {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `match_signature`
[INFO] [stderr]   --> src/firechain/crypto.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn match_signature(key_list: Vec<PKey>, msg: &str, hash: &str) -> Option<PKey> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `setup_interface`
[INFO] [stderr]   --> src/firechain/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn setup_interface() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `chain_exists`
[INFO] [stderr]   --> src/firechain/mod.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn chain_exists(chain: &Handler) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Handler`
[INFO] [stderr]   --> src/firechain/mod.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub struct Handler {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Input`
[INFO] [stderr]   --> src/firechain/mod.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct Input {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Signature`
[INFO] [stderr]   --> src/firechain/mod.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub struct Signature {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PKey`
[INFO] [stderr]   --> src/firechain/mod.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub struct PKey {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Transaction`
[INFO] [stderr]   --> src/firechain/mod.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub struct Transaction {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `json_read_ledger_file`
[INFO] [stderr]   --> src/firechain/mod.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn json_read_ledger_file(json_obj: JsonValue) -> (Vec<Transaction>,u32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_unknown`
[INFO] [stderr]   --> src/firechain/mod.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn new_unknown(input: Input) -> Handler {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/firechain/mod.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn parse(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/firechain/mod.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn new(s: &str) -> Input {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_result`
[INFO] [stderr]    --> src/firechain/mod.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn get_result(&self) -> &str {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_from_hash`
[INFO] [stderr]    --> src/firechain/mod.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn new_from_hash(hash: String, public_key_list: Vec<PKey>, msg: String) -> Option<Signature> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/firechain/mod.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn new(hash: String, msg: String, pkey: PKey) -> Signature {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_public`
[INFO] [stderr]    --> src/firechain/mod.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn get_public(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `return_json`
[INFO] [stderr]   --> src/server.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn return_json(string: &str) -> Response<Cursor<Vec<u8>>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 rq.respond(response);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/firechain/mod.rs:90:17
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 file.read_to_string(& mut output);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]   --> src/firechain/mod.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |             Err(E) => fatal_error(format!("The file '{}' could not be opened.",s).as_str(),-1)
[INFO] [stderr]    |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]   --> src/firechain/parser.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |         Err(E) => fatal_error(format!("The designated FireChain file has invalid JSON data: {}",E).as_str(),-1)
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `e`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "2999e2672b7b05bef9998e0250e0feecdb2018810991c1cac5e65d8f97805ef4"`
[INFO] running `"docker" "rm" "-f" "2999e2672b7b05bef9998e0250e0feecdb2018810991c1cac5e65d8f97805ef4"`
[INFO] [stdout] 2999e2672b7b05bef9998e0250e0feecdb2018810991c1cac5e65d8f97805ef4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] d8230db70a2916d7b0ff3fa8aecb791d00209b04335afd0e8586b872bfcf4e92
[INFO] running `"docker" "start" "-a" "d8230db70a2916d7b0ff3fa8aecb791d00209b04335afd0e8586b872bfcf4e92"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fchain-fa26ac5b5bec7aba
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d8230db70a2916d7b0ff3fa8aecb791d00209b04335afd0e8586b872bfcf4e92"`
[INFO] running `"docker" "rm" "-f" "d8230db70a2916d7b0ff3fa8aecb791d00209b04335afd0e8586b872bfcf4e92"`
[INFO] [stdout] d8230db70a2916d7b0ff3fa8aecb791d00209b04335afd0e8586b872bfcf4e92