Nov 17 14:38:36.750 INFO testing JacksonCoder/fire-chain against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 14:38:36.751 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 14:38:37.264 INFO [stdout] e56e1958fe988e29ab5bb983ef6805e36cde545d2a5919a4bc0eea78710039bd
Nov 17 14:38:37.267 INFO running `"docker" "start" "-a" "e56e1958fe988e29ab5bb983ef6805e36cde545d2a5919a4bc0eea78710039bd"`
Nov 17 14:38:39.119 INFO [stderr] usermod: no changes
Nov 17 14:38:39.263 INFO [stderr]    Compiling uuid v0.1.18
Nov 17 14:38:39.263 INFO [stderr]    Compiling chrono v0.2.25
Nov 17 14:38:40.896 INFO [stderr]    Compiling url v0.2.38
Nov 17 14:38:44.782 INFO [stderr]    Compiling tiny_http v0.5.8
Nov 17 14:38:49.499 INFO [stderr]    Compiling fchain v0.1.0 (/source)
Nov 17 14:38:51.424 INFO [stderr] warning: unused import: `firechain`
Nov 17 14:38:51.424 INFO [stderr]  --> src/server.rs:3:5
Nov 17 14:38:51.424 INFO [stderr]   |
Nov 17 14:38:51.424 INFO [stderr] 3 | use firechain;
Nov 17 14:38:51.425 INFO [stderr]   |     ^^^^^^^^^
Nov 17 14:38:51.431 INFO [stderr]   |
Nov 17 14:38:51.431 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 14:38:51.432 INFO [stderr] 
Nov 17 14:38:51.432 INFO [stderr] warning: unused import: `firechain::setup_interface`
Nov 17 14:38:51.432 INFO [stderr]  --> src/server.rs:4:5
Nov 17 14:38:51.432 INFO [stderr]   |
Nov 17 14:38:51.433 INFO [stderr] 4 | use firechain::setup_interface;
Nov 17 14:38:51.433 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.433 INFO [stderr] 
Nov 17 14:38:51.434 INFO [stderr] warning: unused import: `firechain::chain_exists`
Nov 17 14:38:51.434 INFO [stderr]  --> src/server.rs:5:5
Nov 17 14:38:51.434 INFO [stderr]   |
Nov 17 14:38:51.434 INFO [stderr] 5 | use firechain::chain_exists;
Nov 17 14:38:51.435 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.435 INFO [stderr] 
Nov 17 14:38:51.435 INFO [stderr] warning: unused import: `firechain::Handler`
Nov 17 14:38:51.436 INFO [stderr]  --> src/server.rs:6:5
Nov 17 14:38:51.436 INFO [stderr]   |
Nov 17 14:38:51.436 INFO [stderr] 6 | use firechain::Handler;
Nov 17 14:38:51.436 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.437 INFO [stderr] 
Nov 17 14:38:51.437 INFO [stderr] warning: unused import: `firechain::Input`
Nov 17 14:38:51.437 INFO [stderr]  --> src/server.rs:7:5
Nov 17 14:38:51.438 INFO [stderr]   |
Nov 17 14:38:51.438 INFO [stderr] 7 | use firechain::Input;
Nov 17 14:38:51.438 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Nov 17 14:38:51.439 INFO [stderr] 
Nov 17 14:38:51.439 INFO [stderr] warning: unused import: `std::str::FromStr`
Nov 17 14:38:51.439 INFO [stderr]   --> src/server.rs:10:5
Nov 17 14:38:51.439 INFO [stderr]    |
Nov 17 14:38:51.440 INFO [stderr] 10 | use std::str::FromStr;
Nov 17 14:38:51.440 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.440 INFO [stderr] 
Nov 17 14:38:51.441 INFO [stderr] warning: unused imports: `Arg`, `SubCommand`
Nov 17 14:38:51.441 INFO [stderr]  --> src/main.rs:5:17
Nov 17 14:38:51.442 INFO [stderr]   |
Nov 17 14:38:51.442 INFO [stderr] 5 | use clap::{App, Arg, SubCommand, ArgMatches};
Nov 17 14:38:51.442 INFO [stderr]   |                 ^^^  ^^^^^^^^^^
Nov 17 14:38:51.442 INFO [stderr] 
Nov 17 14:38:51.443 INFO [stderr] warning: unused import: `ParseError`
Nov 17 14:38:51.443 INFO [stderr]   --> src/main.rs:14:16
Nov 17 14:38:51.443 INFO [stderr]    |
Nov 17 14:38:51.444 INFO [stderr] 14 | use url::{Url, ParseError};
Nov 17 14:38:51.444 INFO [stderr]    |                ^^^^^^^^^^
Nov 17 14:38:51.444 INFO [stderr] 
Nov 17 14:38:51.551 INFO [stderr] warning: unused variable: `vec`
Nov 17 14:38:51.552 INFO [stderr]   --> src/firechain/mod.rs:57:15
Nov 17 14:38:51.552 INFO [stderr]    |
Nov 17 14:38:51.552 INFO [stderr] 57 |         Array(vec) => {
Nov 17 14:38:51.553 INFO [stderr]    |               ^^^ help: consider using `_vec` instead
Nov 17 14:38:51.553 INFO [stderr]    |
Nov 17 14:38:51.553 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 14:38:51.554 INFO [stderr] 
Nov 17 14:38:51.554 INFO [stderr] warning: variable `is_record_request` is assigned to, but never used
Nov 17 14:38:51.554 INFO [stderr]   --> src/server.rs:52:13
Nov 17 14:38:51.555 INFO [stderr]    |
Nov 17 14:38:51.555 INFO [stderr] 52 |     let mut is_record_request: bool;
Nov 17 14:38:51.555 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.555 INFO [stderr]    |
Nov 17 14:38:51.555 INFO [stderr]    = note: consider using `_is_record_request` instead
Nov 17 14:38:51.555 INFO [stderr] 
Nov 17 14:38:51.555 INFO [stderr] warning: value assigned to `is_record_request` is never read
Nov 17 14:38:51.555 INFO [stderr]   --> src/server.rs:58:13
Nov 17 14:38:51.555 INFO [stderr]    |
Nov 17 14:38:51.555 INFO [stderr] 58 |             is_record_request = match qpair.1.clone().into_owned().clone().as_str() {
Nov 17 14:38:51.555 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.555 INFO [stderr]    |
Nov 17 14:38:51.555 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 17 14:38:51.555 INFO [stderr] 
Nov 17 14:38:51.555 INFO [stderr] warning: unused variable: `ledger_file_path`
Nov 17 14:38:51.555 INFO [stderr]   --> src/main.rs:18:9
Nov 17 14:38:51.555 INFO [stderr]    |
Nov 17 14:38:51.555 INFO [stderr] 18 |     let ledger_file_path = match matches.value_of("dbpath") {
Nov 17 14:38:51.555 INFO [stderr]    |         ^^^^^^^^^^^^^^^^ help: consider using `_ledger_file_path` instead
Nov 17 14:38:51.555 INFO [stderr] 
Nov 17 14:38:51.555 INFO [stderr] warning: unused variable: `threads`
Nov 17 14:38:51.555 INFO [stderr]   --> src/main.rs:28:9
Nov 17 14:38:51.555 INFO [stderr]    |
Nov 17 14:38:51.555 INFO [stderr] 28 |     let threads = match matches.value_of("threads") {
Nov 17 14:38:51.555 INFO [stderr]    |         ^^^^^^^ help: consider using `_threads` instead
Nov 17 14:38:51.555 INFO [stderr] 
Nov 17 14:38:51.555 INFO [stderr] warning: unused variable: `E`
Nov 17 14:38:51.555 INFO [stderr]   --> src/firechain/mod.rs:95:17
Nov 17 14:38:51.555 INFO [stderr]    |
Nov 17 14:38:51.555 INFO [stderr] 95 |             Err(E) => fatal_error(format!("The file '{}' could not be opened.",s).as_str(),-1)
Nov 17 14:38:51.555 INFO [stderr]    |                 ^ help: consider using `_E` instead
Nov 17 14:38:51.555 INFO [stderr] 
Nov 17 14:38:51.578 INFO [stderr] warning: variable does not need to be mutable
Nov 17 14:38:51.578 INFO [stderr]   --> src/firechain/mod.rs:86:13
Nov 17 14:38:51.579 INFO [stderr]    |
Nov 17 14:38:51.579 INFO [stderr] 86 |         let mut file = File::open(s);
Nov 17 14:38:51.579 INFO [stderr]    |             ----^^^^
Nov 17 14:38:51.580 INFO [stderr]    |             |
Nov 17 14:38:51.580 INFO [stderr]    |             help: remove this `mut`
Nov 17 14:38:51.580 INFO [stderr]    |
Nov 17 14:38:51.581 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 14:38:51.581 INFO [stderr] 
Nov 17 14:38:51.589 INFO [stderr] warning: enum is never used: `FireChainStatus`
Nov 17 14:38:51.589 INFO [stderr]  --> src/firechain/enums.rs:1:1
Nov 17 14:38:51.589 INFO [stderr]   |
Nov 17 14:38:51.589 INFO [stderr] 1 | pub enum FireChainStatus {
Nov 17 14:38:51.589 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.589 INFO [stderr]   |
Nov 17 14:38:51.589 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 14:38:51.589 INFO [stderr] 
Nov 17 14:38:51.591 INFO [stderr] warning: function is never used: `json_parse`
Nov 17 14:38:51.591 INFO [stderr]  --> src/firechain/parser.rs:6:1
Nov 17 14:38:51.591 INFO [stderr]   |
Nov 17 14:38:51.591 INFO [stderr] 6 | pub fn json_parse(input: &str) -> json::JsonValue {
Nov 17 14:38:51.591 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.591 INFO [stderr] 
Nov 17 14:38:51.591 INFO [stderr] warning: function is never used: `json_to_str`
Nov 17 14:38:51.591 INFO [stderr]   --> src/firechain/parser.rs:15:1
Nov 17 14:38:51.591 INFO [stderr]    |
Nov 17 14:38:51.591 INFO [stderr] 15 | pub fn json_to_str(input: json::JsonValue) -> String {
Nov 17 14:38:51.591 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.591 INFO [stderr] 
Nov 17 14:38:51.591 INFO [stderr] warning: function is never used: `ecdsa_check`
Nov 17 14:38:51.591 INFO [stderr]  --> src/firechain/crypto.rs:6:1
Nov 17 14:38:51.591 INFO [stderr]   |
Nov 17 14:38:51.591 INFO [stderr] 6 | pub fn ecdsa_check(key: &str, msg: &str, sig: &str) -> bool {
Nov 17 14:38:51.591 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.591 INFO [stderr] 
Nov 17 14:38:51.592 INFO [stderr] warning: function is never used: `match_signature`
Nov 17 14:38:51.592 INFO [stderr]   --> src/firechain/crypto.rs:10:1
Nov 17 14:38:51.592 INFO [stderr]    |
Nov 17 14:38:51.592 INFO [stderr] 10 | pub fn match_signature(key_list: Vec<PKey>, msg: &str, hash: &str) -> Option<PKey> {
Nov 17 14:38:51.592 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.592 INFO [stderr] 
Nov 17 14:38:51.592 INFO [stderr] warning: function is never used: `setup_interface`
Nov 17 14:38:51.592 INFO [stderr]   --> src/firechain/mod.rs:16:1
Nov 17 14:38:51.592 INFO [stderr]    |
Nov 17 14:38:51.592 INFO [stderr] 16 | pub fn setup_interface() {
Nov 17 14:38:51.592 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.592 INFO [stderr] 
Nov 17 14:38:51.592 INFO [stderr] warning: function is never used: `chain_exists`
Nov 17 14:38:51.592 INFO [stderr]   --> src/firechain/mod.rs:20:1
Nov 17 14:38:51.592 INFO [stderr]    |
Nov 17 14:38:51.592 INFO [stderr] 20 | pub fn chain_exists(chain: &Handler) -> bool {
Nov 17 14:38:51.592 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.593 INFO [stderr] 
Nov 17 14:38:51.593 INFO [stderr] warning: struct is never constructed: `Handler`
Nov 17 14:38:51.593 INFO [stderr]   --> src/firechain/mod.rs:28:1
Nov 17 14:38:51.593 INFO [stderr]    |
Nov 17 14:38:51.593 INFO [stderr] 28 | pub struct Handler {
Nov 17 14:38:51.593 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.593 INFO [stderr] 
Nov 17 14:38:51.593 INFO [stderr] warning: struct is never constructed: `Input`
Nov 17 14:38:51.593 INFO [stderr]   --> src/firechain/mod.rs:35:1
Nov 17 14:38:51.593 INFO [stderr]    |
Nov 17 14:38:51.593 INFO [stderr] 35 | pub struct Input {
Nov 17 14:38:51.593 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 17 14:38:51.593 INFO [stderr] 
Nov 17 14:38:51.594 INFO [stderr] warning: struct is never constructed: `Signature`
Nov 17 14:38:51.594 INFO [stderr]   --> src/firechain/mod.rs:39:1
Nov 17 14:38:51.594 INFO [stderr]    |
Nov 17 14:38:51.594 INFO [stderr] 39 | pub struct Signature {
Nov 17 14:38:51.594 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.594 INFO [stderr] 
Nov 17 14:38:51.594 INFO [stderr] warning: struct is never constructed: `PKey`
Nov 17 14:38:51.594 INFO [stderr]   --> src/firechain/mod.rs:45:1
Nov 17 14:38:51.594 INFO [stderr]    |
Nov 17 14:38:51.594 INFO [stderr] 45 | pub struct PKey {
Nov 17 14:38:51.594 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 17 14:38:51.594 INFO [stderr] 
Nov 17 14:38:51.595 INFO [stderr] warning: struct is never constructed: `Transaction`
Nov 17 14:38:51.595 INFO [stderr]   --> src/firechain/mod.rs:49:1
Nov 17 14:38:51.595 INFO [stderr]    |
Nov 17 14:38:51.595 INFO [stderr] 49 | pub struct Transaction {
Nov 17 14:38:51.595 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.595 INFO [stderr] 
Nov 17 14:38:51.595 INFO [stderr] warning: function is never used: `json_read_ledger_file`
Nov 17 14:38:51.595 INFO [stderr]   --> src/firechain/mod.rs:55:1
Nov 17 14:38:51.595 INFO [stderr]    |
Nov 17 14:38:51.595 INFO [stderr] 55 | fn json_read_ledger_file(json_obj: JsonValue) -> (Vec<Transaction>,u32) {
Nov 17 14:38:51.595 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.595 INFO [stderr] 
Nov 17 14:38:51.595 INFO [stderr] warning: method is never used: `new_unknown`
Nov 17 14:38:51.595 INFO [stderr]   --> src/firechain/mod.rs:66:5
Nov 17 14:38:51.595 INFO [stderr]    |
Nov 17 14:38:51.595 INFO [stderr] 66 |     pub fn new_unknown(input: Input) -> Handler {
Nov 17 14:38:51.595 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.595 INFO [stderr] 
Nov 17 14:38:51.595 INFO [stderr] warning: method is never used: `parse`
Nov 17 14:38:51.595 INFO [stderr]   --> src/firechain/mod.rs:75:5
Nov 17 14:38:51.595 INFO [stderr]    |
Nov 17 14:38:51.595 INFO [stderr] 75 |     pub fn parse(&mut self) {
Nov 17 14:38:51.595 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.595 INFO [stderr] 
Nov 17 14:38:51.595 INFO [stderr] warning: method is never used: `new`
Nov 17 14:38:51.596 INFO [stderr]   --> src/firechain/mod.rs:85:5
Nov 17 14:38:51.596 INFO [stderr]    |
Nov 17 14:38:51.596 INFO [stderr] 85 |     pub fn new(s: &str) -> Input {
Nov 17 14:38:51.596 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.596 INFO [stderr] 
Nov 17 14:38:51.596 INFO [stderr] warning: method is never used: `get_result`
Nov 17 14:38:51.596 INFO [stderr]    --> src/firechain/mod.rs:100:5
Nov 17 14:38:51.596 INFO [stderr]     |
Nov 17 14:38:51.596 INFO [stderr] 100 |     pub fn get_result(&self) -> &str {
Nov 17 14:38:51.596 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.596 INFO [stderr] 
Nov 17 14:38:51.596 INFO [stderr] warning: method is never used: `new_from_hash`
Nov 17 14:38:51.596 INFO [stderr]    --> src/firechain/mod.rs:106:5
Nov 17 14:38:51.596 INFO [stderr]     |
Nov 17 14:38:51.596 INFO [stderr] 106 |     pub fn new_from_hash(hash: String, public_key_list: Vec<PKey>, msg: String) -> Option<Signature> {
Nov 17 14:38:51.596 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.596 INFO [stderr] 
Nov 17 14:38:51.596 INFO [stderr] warning: method is never used: `new`
Nov 17 14:38:51.596 INFO [stderr]    --> src/firechain/mod.rs:113:5
Nov 17 14:38:51.596 INFO [stderr]     |
Nov 17 14:38:51.596 INFO [stderr] 113 |     pub fn new(hash: String, msg: String, pkey: PKey) -> Signature {
Nov 17 14:38:51.596 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.596 INFO [stderr] 
Nov 17 14:38:51.597 INFO [stderr] warning: method is never used: `get_public`
Nov 17 14:38:51.597 INFO [stderr]    --> src/firechain/mod.rs:123:5
Nov 17 14:38:51.597 INFO [stderr]     |
Nov 17 14:38:51.597 INFO [stderr] 123 |     pub fn get_public(&self) -> String {
Nov 17 14:38:51.597 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.597 INFO [stderr] 
Nov 17 14:38:51.597 INFO [stderr] warning: function is never used: `return_json`
Nov 17 14:38:51.597 INFO [stderr]   --> src/server.rs:39:1
Nov 17 14:38:51.597 INFO [stderr]    |
Nov 17 14:38:51.597 INFO [stderr] 39 | fn return_json(string: &str) -> Response<Cursor<Vec<u8>>> {
Nov 17 14:38:51.597 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.597 INFO [stderr] 
Nov 17 14:38:51.600 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Nov 17 14:38:51.600 INFO [stderr]   --> src/firechain/parser.rs:10:13
Nov 17 14:38:51.600 INFO [stderr]    |
Nov 17 14:38:51.600 INFO [stderr] 10 |         Err(E) => fatal_error(format!("The designated FireChain file has invalid JSON data: {}",E).as_str(),-1)
Nov 17 14:38:51.600 INFO [stderr]    |             ^
Nov 17 14:38:51.601 INFO [stderr]    |
Nov 17 14:38:51.601 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 17 14:38:51.601 INFO [stderr] 
Nov 17 14:38:51.601 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 14:38:51.601 INFO [stderr]   --> src/firechain/mod.rs:90:17
Nov 17 14:38:51.601 INFO [stderr]    |
Nov 17 14:38:51.601 INFO [stderr] 90 |                 file.read_to_string(& mut output);
Nov 17 14:38:51.601 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.601 INFO [stderr]    |
Nov 17 14:38:51.601 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 14:38:51.601 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 14:38:51.601 INFO [stderr] 
Nov 17 14:38:51.601 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Nov 17 14:38:51.601 INFO [stderr]   --> src/firechain/mod.rs:95:17
Nov 17 14:38:51.601 INFO [stderr]    |
Nov 17 14:38:51.601 INFO [stderr] 95 |             Err(E) => fatal_error(format!("The file '{}' could not be opened.",s).as_str(),-1)
Nov 17 14:38:51.601 INFO [stderr]    |                 ^
Nov 17 14:38:51.601 INFO [stderr] 
Nov 17 14:38:51.603 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 14:38:51.603 INFO [stderr]   --> src/main.rs:57:17
Nov 17 14:38:51.603 INFO [stderr]    |
Nov 17 14:38:51.603 INFO [stderr] 57 |                 rq.respond(response);
Nov 17 14:38:51.603 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:51.603 INFO [stderr]    |
Nov 17 14:38:51.603 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 14:38:51.603 INFO [stderr] 
Nov 17 14:38:54.068 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.92s
Nov 17 14:38:54.075 INFO [stderr] su: No module specific data is present
Nov 17 14:38:54.760 INFO running `"docker" "inspect" "e56e1958fe988e29ab5bb983ef6805e36cde545d2a5919a4bc0eea78710039bd"`
Nov 17 14:38:54.993 INFO running `"docker" "rm" "-f" "e56e1958fe988e29ab5bb983ef6805e36cde545d2a5919a4bc0eea78710039bd"`
Nov 17 14:38:55.211 INFO [stdout] e56e1958fe988e29ab5bb983ef6805e36cde545d2a5919a4bc0eea78710039bd
Nov 17 14:38:55.217 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 14:38:55.587 INFO [stdout] 2db015a4fc58dbafc962336efb3ca03e785daa453030fe4379871ac5a1905105
Nov 17 14:38:55.596 INFO running `"docker" "start" "-a" "2db015a4fc58dbafc962336efb3ca03e785daa453030fe4379871ac5a1905105"`
Nov 17 14:38:56.723 INFO [stderr] usermod: no changes
Nov 17 14:38:56.875 INFO [stderr]    Compiling fchain v0.1.0 (/source)
Nov 17 14:38:58.393 INFO [stderr] warning: unused import: `firechain`
Nov 17 14:38:58.393 INFO [stderr]  --> src/server.rs:3:5
Nov 17 14:38:58.393 INFO [stderr]   |
Nov 17 14:38:58.393 INFO [stderr] 3 | use firechain;
Nov 17 14:38:58.393 INFO [stderr]   |     ^^^^^^^^^
Nov 17 14:38:58.393 INFO [stderr]   |
Nov 17 14:38:58.393 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 14:38:58.393 INFO [stderr] 
Nov 17 14:38:58.393 INFO [stderr] warning: unused import: `firechain::setup_interface`
Nov 17 14:38:58.393 INFO [stderr]  --> src/server.rs:4:5
Nov 17 14:38:58.393 INFO [stderr]   |
Nov 17 14:38:58.393 INFO [stderr] 4 | use firechain::setup_interface;
Nov 17 14:38:58.393 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.393 INFO [stderr] 
Nov 17 14:38:58.394 INFO [stderr] warning: unused import: `firechain::chain_exists`
Nov 17 14:38:58.394 INFO [stderr]  --> src/server.rs:5:5
Nov 17 14:38:58.394 INFO [stderr]   |
Nov 17 14:38:58.394 INFO [stderr] 5 | use firechain::chain_exists;
Nov 17 14:38:58.394 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.394 INFO [stderr] 
Nov 17 14:38:58.394 INFO [stderr] warning: unused import: `firechain::Handler`
Nov 17 14:38:58.394 INFO [stderr]  --> src/server.rs:6:5
Nov 17 14:38:58.394 INFO [stderr]   |
Nov 17 14:38:58.394 INFO [stderr] 6 | use firechain::Handler;
Nov 17 14:38:58.394 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.394 INFO [stderr] 
Nov 17 14:38:58.394 INFO [stderr] warning: unused import: `firechain::Input`
Nov 17 14:38:58.394 INFO [stderr]  --> src/server.rs:7:5
Nov 17 14:38:58.394 INFO [stderr]   |
Nov 17 14:38:58.394 INFO [stderr] 7 | use firechain::Input;
Nov 17 14:38:58.394 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Nov 17 14:38:58.394 INFO [stderr] 
Nov 17 14:38:58.394 INFO [stderr] warning: unused import: `std::str::FromStr`
Nov 17 14:38:58.394 INFO [stderr]   --> src/server.rs:10:5
Nov 17 14:38:58.394 INFO [stderr]    |
Nov 17 14:38:58.394 INFO [stderr] 10 | use std::str::FromStr;
Nov 17 14:38:58.394 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.394 INFO [stderr] 
Nov 17 14:38:58.394 INFO [stderr] warning: unused imports: `Arg`, `SubCommand`
Nov 17 14:38:58.394 INFO [stderr]  --> src/main.rs:5:17
Nov 17 14:38:58.394 INFO [stderr]   |
Nov 17 14:38:58.394 INFO [stderr] 5 | use clap::{App, Arg, SubCommand, ArgMatches};
Nov 17 14:38:58.394 INFO [stderr]   |                 ^^^  ^^^^^^^^^^
Nov 17 14:38:58.394 INFO [stderr] 
Nov 17 14:38:58.394 INFO [stderr] warning: unused import: `ParseError`
Nov 17 14:38:58.394 INFO [stderr]   --> src/main.rs:14:16
Nov 17 14:38:58.394 INFO [stderr]    |
Nov 17 14:38:58.395 INFO [stderr] 14 | use url::{Url, ParseError};
Nov 17 14:38:58.395 INFO [stderr]    |                ^^^^^^^^^^
Nov 17 14:38:58.395 INFO [stderr] 
Nov 17 14:38:58.500 INFO [stderr] warning: unused variable: `vec`
Nov 17 14:38:58.500 INFO [stderr]   --> src/firechain/mod.rs:57:15
Nov 17 14:38:58.500 INFO [stderr]    |
Nov 17 14:38:58.500 INFO [stderr] 57 |         Array(vec) => {
Nov 17 14:38:58.500 INFO [stderr]    |               ^^^ help: consider using `_vec` instead
Nov 17 14:38:58.500 INFO [stderr]    |
Nov 17 14:38:58.501 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 14:38:58.501 INFO [stderr] 
Nov 17 14:38:58.501 INFO [stderr] warning: variable `is_record_request` is assigned to, but never used
Nov 17 14:38:58.501 INFO [stderr]   --> src/server.rs:52:13
Nov 17 14:38:58.502 INFO [stderr]    |
Nov 17 14:38:58.502 INFO [stderr] 52 |     let mut is_record_request: bool;
Nov 17 14:38:58.502 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.502 INFO [stderr]    |
Nov 17 14:38:58.503 INFO [stderr]    = note: consider using `_is_record_request` instead
Nov 17 14:38:58.503 INFO [stderr] 
Nov 17 14:38:58.503 INFO [stderr] warning: value assigned to `is_record_request` is never read
Nov 17 14:38:58.503 INFO [stderr]   --> src/server.rs:58:13
Nov 17 14:38:58.504 INFO [stderr]    |
Nov 17 14:38:58.504 INFO [stderr] 58 |             is_record_request = match qpair.1.clone().into_owned().clone().as_str() {
Nov 17 14:38:58.504 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.505 INFO [stderr]    |
Nov 17 14:38:58.505 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 17 14:38:58.505 INFO [stderr] 
Nov 17 14:38:58.505 INFO [stderr] warning: unused variable: `ledger_file_path`
Nov 17 14:38:58.506 INFO [stderr]   --> src/main.rs:18:9
Nov 17 14:38:58.506 INFO [stderr]    |
Nov 17 14:38:58.506 INFO [stderr] 18 |     let ledger_file_path = match matches.value_of("dbpath") {
Nov 17 14:38:58.506 INFO [stderr]    |         ^^^^^^^^^^^^^^^^ help: consider using `_ledger_file_path` instead
Nov 17 14:38:58.507 INFO [stderr] 
Nov 17 14:38:58.507 INFO [stderr] warning: unused variable: `threads`
Nov 17 14:38:58.507 INFO [stderr]   --> src/main.rs:28:9
Nov 17 14:38:58.508 INFO [stderr]    |
Nov 17 14:38:58.508 INFO [stderr] 28 |     let threads = match matches.value_of("threads") {
Nov 17 14:38:58.508 INFO [stderr]    |         ^^^^^^^ help: consider using `_threads` instead
Nov 17 14:38:58.508 INFO [stderr] 
Nov 17 14:38:58.509 INFO [stderr] warning: unused variable: `E`
Nov 17 14:38:58.509 INFO [stderr]   --> src/firechain/mod.rs:95:17
Nov 17 14:38:58.509 INFO [stderr]    |
Nov 17 14:38:58.510 INFO [stderr] 95 |             Err(E) => fatal_error(format!("The file '{}' could not be opened.",s).as_str(),-1)
Nov 17 14:38:58.510 INFO [stderr]    |                 ^ help: consider using `_E` instead
Nov 17 14:38:58.510 INFO [stderr] 
Nov 17 14:38:58.523 INFO [stderr] warning: variable does not need to be mutable
Nov 17 14:38:58.524 INFO [stderr]   --> src/firechain/mod.rs:86:13
Nov 17 14:38:58.524 INFO [stderr]    |
Nov 17 14:38:58.524 INFO [stderr] 86 |         let mut file = File::open(s);
Nov 17 14:38:58.524 INFO [stderr]    |             ----^^^^
Nov 17 14:38:58.525 INFO [stderr]    |             |
Nov 17 14:38:58.525 INFO [stderr]    |             help: remove this `mut`
Nov 17 14:38:58.525 INFO [stderr]    |
Nov 17 14:38:58.525 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 14:38:58.526 INFO [stderr] 
Nov 17 14:38:58.536 INFO [stderr] warning: enum is never used: `FireChainStatus`
Nov 17 14:38:58.536 INFO [stderr]  --> src/firechain/enums.rs:1:1
Nov 17 14:38:58.537 INFO [stderr]   |
Nov 17 14:38:58.537 INFO [stderr] 1 | pub enum FireChainStatus {
Nov 17 14:38:58.537 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.537 INFO [stderr]   |
Nov 17 14:38:58.538 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 14:38:58.538 INFO [stderr] 
Nov 17 14:38:58.538 INFO [stderr] warning: function is never used: `json_parse`
Nov 17 14:38:58.539 INFO [stderr]  --> src/firechain/parser.rs:6:1
Nov 17 14:38:58.539 INFO [stderr]   |
Nov 17 14:38:58.539 INFO [stderr] 6 | pub fn json_parse(input: &str) -> json::JsonValue {
Nov 17 14:38:58.539 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.540 INFO [stderr] 
Nov 17 14:38:58.540 INFO [stderr] warning: function is never used: `json_to_str`
Nov 17 14:38:58.540 INFO [stderr]   --> src/firechain/parser.rs:15:1
Nov 17 14:38:58.540 INFO [stderr]    |
Nov 17 14:38:58.541 INFO [stderr] 15 | pub fn json_to_str(input: json::JsonValue) -> String {
Nov 17 14:38:58.541 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.541 INFO [stderr] 
Nov 17 14:38:58.541 INFO [stderr] warning: function is never used: `ecdsa_check`
Nov 17 14:38:58.542 INFO [stderr]  --> src/firechain/crypto.rs:6:1
Nov 17 14:38:58.542 INFO [stderr]   |
Nov 17 14:38:58.542 INFO [stderr] 6 | pub fn ecdsa_check(key: &str, msg: &str, sig: &str) -> bool {
Nov 17 14:38:58.542 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.543 INFO [stderr] 
Nov 17 14:38:58.543 INFO [stderr] warning: function is never used: `match_signature`
Nov 17 14:38:58.543 INFO [stderr]   --> src/firechain/crypto.rs:10:1
Nov 17 14:38:58.543 INFO [stderr]    |
Nov 17 14:38:58.544 INFO [stderr] 10 | pub fn match_signature(key_list: Vec<PKey>, msg: &str, hash: &str) -> Option<PKey> {
Nov 17 14:38:58.544 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.544 INFO [stderr] 
Nov 17 14:38:58.544 INFO [stderr] warning: function is never used: `setup_interface`
Nov 17 14:38:58.545 INFO [stderr]   --> src/firechain/mod.rs:16:1
Nov 17 14:38:58.545 INFO [stderr]    |
Nov 17 14:38:58.545 INFO [stderr] 16 | pub fn setup_interface() {
Nov 17 14:38:58.545 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.546 INFO [stderr] 
Nov 17 14:38:58.546 INFO [stderr] warning: function is never used: `chain_exists`
Nov 17 14:38:58.546 INFO [stderr]   --> src/firechain/mod.rs:20:1
Nov 17 14:38:58.551 INFO [stderr]    |
Nov 17 14:38:58.551 INFO [stderr] 20 | pub fn chain_exists(chain: &Handler) -> bool {
Nov 17 14:38:58.551 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.551 INFO [stderr] 
Nov 17 14:38:58.552 INFO [stderr] warning: struct is never constructed: `Handler`
Nov 17 14:38:58.552 INFO [stderr]   --> src/firechain/mod.rs:28:1
Nov 17 14:38:58.552 INFO [stderr]    |
Nov 17 14:38:58.552 INFO [stderr] 28 | pub struct Handler {
Nov 17 14:38:58.553 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.553 INFO [stderr] 
Nov 17 14:38:58.553 INFO [stderr] warning: struct is never constructed: `Input`
Nov 17 14:38:58.553 INFO [stderr]   --> src/firechain/mod.rs:35:1
Nov 17 14:38:58.554 INFO [stderr]    |
Nov 17 14:38:58.554 INFO [stderr] 35 | pub struct Input {
Nov 17 14:38:58.554 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 17 14:38:58.554 INFO [stderr] 
Nov 17 14:38:58.555 INFO [stderr] warning: struct is never constructed: `Signature`
Nov 17 14:38:58.555 INFO [stderr]   --> src/firechain/mod.rs:39:1
Nov 17 14:38:58.555 INFO [stderr]    |
Nov 17 14:38:58.556 INFO [stderr] 39 | pub struct Signature {
Nov 17 14:38:58.556 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.556 INFO [stderr] 
Nov 17 14:38:58.556 INFO [stderr] warning: struct is never constructed: `PKey`
Nov 17 14:38:58.557 INFO [stderr]   --> src/firechain/mod.rs:45:1
Nov 17 14:38:58.557 INFO [stderr]    |
Nov 17 14:38:58.557 INFO [stderr] 45 | pub struct PKey {
Nov 17 14:38:58.557 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 17 14:38:58.558 INFO [stderr] 
Nov 17 14:38:58.558 INFO [stderr] warning: struct is never constructed: `Transaction`
Nov 17 14:38:58.558 INFO [stderr]   --> src/firechain/mod.rs:49:1
Nov 17 14:38:58.558 INFO [stderr]    |
Nov 17 14:38:58.559 INFO [stderr] 49 | pub struct Transaction {
Nov 17 14:38:58.559 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.559 INFO [stderr] 
Nov 17 14:38:58.559 INFO [stderr] warning: function is never used: `json_read_ledger_file`
Nov 17 14:38:58.559 INFO [stderr]   --> src/firechain/mod.rs:55:1
Nov 17 14:38:58.560 INFO [stderr]    |
Nov 17 14:38:58.560 INFO [stderr] 55 | fn json_read_ledger_file(json_obj: JsonValue) -> (Vec<Transaction>,u32) {
Nov 17 14:38:58.560 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.560 INFO [stderr] 
Nov 17 14:38:58.560 INFO [stderr] warning: method is never used: `new_unknown`
Nov 17 14:38:58.560 INFO [stderr]   --> src/firechain/mod.rs:66:5
Nov 17 14:38:58.560 INFO [stderr]    |
Nov 17 14:38:58.561 INFO [stderr] 66 |     pub fn new_unknown(input: Input) -> Handler {
Nov 17 14:38:58.561 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.561 INFO [stderr] 
Nov 17 14:38:58.561 INFO [stderr] warning: method is never used: `parse`
Nov 17 14:38:58.561 INFO [stderr]   --> src/firechain/mod.rs:75:5
Nov 17 14:38:58.561 INFO [stderr]    |
Nov 17 14:38:58.561 INFO [stderr] 75 |     pub fn parse(&mut self) {
Nov 17 14:38:58.562 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.562 INFO [stderr] 
Nov 17 14:38:58.562 INFO [stderr] warning: method is never used: `new`
Nov 17 14:38:58.562 INFO [stderr]   --> src/firechain/mod.rs:85:5
Nov 17 14:38:58.562 INFO [stderr]    |
Nov 17 14:38:58.562 INFO [stderr] 85 |     pub fn new(s: &str) -> Input {
Nov 17 14:38:58.563 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.563 INFO [stderr] 
Nov 17 14:38:58.563 INFO [stderr] warning: method is never used: `get_result`
Nov 17 14:38:58.564 INFO [stderr]    --> src/firechain/mod.rs:100:5
Nov 17 14:38:58.564 INFO [stderr]     |
Nov 17 14:38:58.564 INFO [stderr] 100 |     pub fn get_result(&self) -> &str {
Nov 17 14:38:58.564 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.565 INFO [stderr] 
Nov 17 14:38:58.565 INFO [stderr] warning: method is never used: `new_from_hash`
Nov 17 14:38:58.565 INFO [stderr]    --> src/firechain/mod.rs:106:5
Nov 17 14:38:58.565 INFO [stderr]     |
Nov 17 14:38:58.565 INFO [stderr] 106 |     pub fn new_from_hash(hash: String, public_key_list: Vec<PKey>, msg: String) -> Option<Signature> {
Nov 17 14:38:58.565 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.566 INFO [stderr] 
Nov 17 14:38:58.566 INFO [stderr] warning: method is never used: `new`
Nov 17 14:38:58.566 INFO [stderr]    --> src/firechain/mod.rs:113:5
Nov 17 14:38:58.566 INFO [stderr]     |
Nov 17 14:38:58.566 INFO [stderr] 113 |     pub fn new(hash: String, msg: String, pkey: PKey) -> Signature {
Nov 17 14:38:58.566 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.566 INFO [stderr] 
Nov 17 14:38:58.567 INFO [stderr] warning: method is never used: `get_public`
Nov 17 14:38:58.567 INFO [stderr]    --> src/firechain/mod.rs:123:5
Nov 17 14:38:58.567 INFO [stderr]     |
Nov 17 14:38:58.567 INFO [stderr] 123 |     pub fn get_public(&self) -> String {
Nov 17 14:38:58.567 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.567 INFO [stderr] 
Nov 17 14:38:58.568 INFO [stderr] warning: function is never used: `return_json`
Nov 17 14:38:58.568 INFO [stderr]   --> src/server.rs:39:1
Nov 17 14:38:58.568 INFO [stderr]    |
Nov 17 14:38:58.568 INFO [stderr] 39 | fn return_json(string: &str) -> Response<Cursor<Vec<u8>>> {
Nov 17 14:38:58.568 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.568 INFO [stderr] 
Nov 17 14:38:58.568 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Nov 17 14:38:58.568 INFO [stderr]   --> src/firechain/parser.rs:10:13
Nov 17 14:38:58.569 INFO [stderr]    |
Nov 17 14:38:58.569 INFO [stderr] 10 |         Err(E) => fatal_error(format!("The designated FireChain file has invalid JSON data: {}",E).as_str(),-1)
Nov 17 14:38:58.569 INFO [stderr]    |             ^
Nov 17 14:38:58.569 INFO [stderr]    |
Nov 17 14:38:58.569 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 17 14:38:58.569 INFO [stderr] 
Nov 17 14:38:58.569 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 14:38:58.570 INFO [stderr]   --> src/firechain/mod.rs:90:17
Nov 17 14:38:58.570 INFO [stderr]    |
Nov 17 14:38:58.570 INFO [stderr] 90 |                 file.read_to_string(& mut output);
Nov 17 14:38:58.570 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.570 INFO [stderr]    |
Nov 17 14:38:58.570 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 14:38:58.571 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 14:38:58.571 INFO [stderr] 
Nov 17 14:38:58.571 INFO [stderr] warning: variable `E` should have a snake case name such as `e`
Nov 17 14:38:58.571 INFO [stderr]   --> src/firechain/mod.rs:95:17
Nov 17 14:38:58.571 INFO [stderr]    |
Nov 17 14:38:58.571 INFO [stderr] 95 |             Err(E) => fatal_error(format!("The file '{}' could not be opened.",s).as_str(),-1)
Nov 17 14:38:58.571 INFO [stderr]    |                 ^
Nov 17 14:38:58.572 INFO [stderr] 
Nov 17 14:38:58.572 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 14:38:58.572 INFO [stderr]   --> src/main.rs:57:17
Nov 17 14:38:58.572 INFO [stderr]    |
Nov 17 14:38:58.572 INFO [stderr] 57 |                 rq.respond(response);
Nov 17 14:38:58.572 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:38:58.572 INFO [stderr]    |
Nov 17 14:38:58.573 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 14:38:58.573 INFO [stderr] 
Nov 17 14:38:58.891 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
Nov 17 14:38:58.895 INFO [stderr] su: No module specific data is present
Nov 17 14:38:59.528 INFO running `"docker" "inspect" "2db015a4fc58dbafc962336efb3ca03e785daa453030fe4379871ac5a1905105"`
Nov 17 14:38:59.721 INFO running `"docker" "rm" "-f" "2db015a4fc58dbafc962336efb3ca03e785daa453030fe4379871ac5a1905105"`
Nov 17 14:38:59.918 INFO [stdout] 2db015a4fc58dbafc962336efb3ca03e785daa453030fe4379871ac5a1905105
Nov 17 14:38:59.923 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 14:39:00.288 INFO [stdout] 57b4e8149feeda4f91771bb2d5189588851d8a12df404c11affee794c50c7445
Nov 17 14:39:00.290 INFO running `"docker" "start" "-a" "57b4e8149feeda4f91771bb2d5189588851d8a12df404c11affee794c50c7445"`
Nov 17 14:39:00.944 INFO [stderr] usermod: no changes
Nov 17 14:39:01.039 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Nov 17 14:39:01.039 INFO [stderr]      Running /target/debug/deps/fchain-1cd6ec030acda0d6
Nov 17 14:39:01.045 INFO [stdout] 
Nov 17 14:39:01.045 INFO [stdout] running 0 tests
Nov 17 14:39:01.045 INFO [stdout] 
Nov 17 14:39:01.045 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 14:39:01.045 INFO [stdout] 
Nov 17 14:39:01.047 INFO [stderr] su: No module specific data is present
Nov 17 14:39:01.445 INFO running `"docker" "inspect" "57b4e8149feeda4f91771bb2d5189588851d8a12df404c11affee794c50c7445"`
Nov 17 14:39:01.561 INFO running `"docker" "rm" "-f" "57b4e8149feeda4f91771bb2d5189588851d8a12df404c11affee794c50c7445"`
Nov 17 14:39:01.636 INFO [stdout] 57b4e8149feeda4f91771bb2d5189588851d8a12df404c11affee794c50c7445