[INFO] fetching crate mech 0.0.5...
[INFO] checking mech-0.0.5 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate mech 0.0.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mech 0.0.5 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mech 0.0.5
[INFO] finished tweaking crates.io crate mech 0.0.5
[INFO] tweaked toml for crates.io crate mech 0.0.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mech 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.12
[INFO] [stderr]   Downloaded actix v0.9.0
[INFO] [stderr]   Downloaded actix_derive v0.5.0
[INFO] [stderr]   Downloaded threadpool v1.8.0
[INFO] [stderr]   Downloaded js-sys v0.3.39
[INFO] [stderr]   Downloaded mech-program v0.0.5
[INFO] [stderr]   Downloaded pin-project-internal v0.4.10
[INFO] [stderr]   Downloaded actix-web-actors v2.0.0
[INFO] [stderr]   Downloaded pin-project v0.4.10
[INFO] [stderr]   Downloaded web-sys v0.3.39
[INFO] [stderr]   Downloaded actix-files v0.2.1
[INFO] [stderr]   Downloaded actix-session v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 86dfacca7ff3d88e2be87e76de17ebed4488684ab5737b212338a1d25edfcbb0
[INFO] running `Command { std: "docker" "start" "-a" "86dfacca7ff3d88e2be87e76de17ebed4488684ab5737b212338a1d25edfcbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86dfacca7ff3d88e2be87e76de17ebed4488684ab5737b212338a1d25edfcbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86dfacca7ff3d88e2be87e76de17ebed4488684ab5737b212338a1d25edfcbb0", kill_on_drop: false }`
[INFO] [stdout] 86dfacca7ff3d88e2be87e76de17ebed4488684ab5737b212338a1d25edfcbb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10abf8ce46bb2df4158b047d91e5577d6e1e31ef879895317fcb67d36c7667a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "10abf8ce46bb2df4158b047d91e5577d6e1e31ef879895317fcb67d36c7667a2", kill_on_drop: false }`
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[INFO] [stderr]     Checking serde_urlencoded v0.6.1
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[INFO] [stderr]     Checking mech-core v0.0.5
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[INFO] [stderr]     Checking bincode v1.2.1
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[INFO] [stderr]     Checking actix-http v1.0.1
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking mech-utilities v0.0.5
[INFO] [stderr]     Checking mech-syntax v0.0.5
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking mech-program v0.0.5
[INFO] [stderr]     Checking awc v1.0.1
[INFO] [stderr]     Checking actix v0.9.0
[INFO] [stderr]     Checking actix-web v2.0.0
[INFO] [stderr]     Checking actix-web-actors v2.0.0
[INFO] [stderr]     Checking actix-session v0.3.0
[INFO] [stderr]     Checking actix-files v0.2.1
[INFO] [stderr]     Checking mech v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]   --> src/bin/mech.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArgMatches`
[INFO] [stdout]   --> src/bin/mech.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 | use clap::{Arg, App, ArgMatches, SubCommand};
[INFO] [stdout]    |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Constraint`
[INFO] [stdout]   --> src/bin/mech.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 |   Constraint, 
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JoinHandle`
[INFO] [stdout]   --> src/bin/mech.rs:45:25
[INFO] [stdout]    |
[INFO] [stdout] 45 | use std::thread::{self, JoinHandle};
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/bin/mech.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `alpha1`, `alphanumeric1`, `context`, `convert_error`, `many0`, `many1`, `sequence::tuple`, `space1`
[INFO] [stdout]   --> src/bin/mech.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 52 |   sequence::tuple,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout] 53 |   combinator::opt,
[INFO] [stdout] 54 |   error::{context, convert_error, ErrorKind, ParseError, VerboseError},
[INFO] [stdout]    |           ^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 55 |   multi::{many1, many0},
[INFO] [stdout]    |           ^^^^^  ^^^^^
[INFO] [stdout] 56 |   bytes::complete::{tag},
[INFO] [stdout] 57 |   character::complete::{alphanumeric1, alpha1, digit1, space0, space1},
[INFO] [stdout]    |                         ^^^^^^^^^^^^^  ^^^^^^                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/bin/mech.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `canonicalize`, `create_dir`
[INFO] [stdout]   --> src/bin/mech.rs:65:34
[INFO] [stdout]    |
[INFO] [stdout] 65 | use std::fs::{OpenOptions, File, canonicalize, create_dir};
[INFO] [stdout]    |                                  ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/bin/mech.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/bin/mech.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/bin/mech.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get`
[INFO] [stdout]   --> src/bin/mech.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 | use actix_web::{get, web, App as ActixApp, HttpServer, HttpResponse, Responder, Error, HttpRequest};
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/bin/mech.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]   --> src/bin/mech.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | use std::cell::Cell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/bin/mech.rs:92:1
[INFO] [stdout]    |
[INFO] [stdout] 92 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/bin/mech.rs:313:23
[INFO] [stdout]     |
[INFO] [stdout] 313 |       info: web::Path<(String)>, 
[INFO] [stdout]     |                       ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:490:11
[INFO] [stdout]     |
[INFO] [stdout] 490 |           (Ok(ClientMessage::Pause)) => {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:493:11
[INFO] [stdout]     |
[INFO] [stdout] 493 |           (Ok(ClientMessage::Resume)) => {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:496:11
[INFO] [stdout]     |
[INFO] [stdout] 496 |           (Ok(ClientMessage::Clear)) => {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:499:11
[INFO] [stdout]     |
[INFO] [stdout] 499 |           (Ok(ClientMessage::NewBlocks(count))) => {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:502:11
[INFO] [stdout]     |
[INFO] [stdout] 502 |           (Ok(ClientMessage::String(message))) => {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:506:11
[INFO] [stdout]     |
[INFO] [stdout] 506 |           (Ok(ClientMessage::Table(table))) => {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:518:11
[INFO] [stdout]     |
[INFO] [stdout] 518 |           (Ok(ClientMessage::Transaction(txn))) => {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:521:11
[INFO] [stdout]     |
[INFO] [stdout] 521 |           (Ok(ClientMessage::Done)) => {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:524:11
[INFO] [stdout]     |
[INFO] [stdout] 524 |           (Err(x)) => {
[INFO] [stdout]     |           ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:633:9
[INFO] [stdout]     |
[INFO] [stdout] 633 |         (Ok(ClientMessage::String(message))) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:636:9
[INFO] [stdout]     |
[INFO] [stdout] 636 |         (Ok(ClientMessage::Table(table))) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:653:9
[INFO] [stdout]     |
[INFO] [stdout] 653 |         (Ok(ClientMessage::Transaction(txn))) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:656:9
[INFO] [stdout]     |
[INFO] [stdout] 656 |         (Ok(ClientMessage::Done)) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:663:9
[INFO] [stdout]     |
[INFO] [stdout] 663 |         (Err(x)) => {
[INFO] [stdout]     |         ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:754:9
[INFO] [stdout]     |
[INFO] [stdout] 754 |         (Ok(ClientMessage::Pause)) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:757:9
[INFO] [stdout]     |
[INFO] [stdout] 757 |         (Ok(ClientMessage::Resume)) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:760:9
[INFO] [stdout]     |
[INFO] [stdout] 760 |         (Ok(ClientMessage::Clear)) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:763:9
[INFO] [stdout]     |
[INFO] [stdout] 763 |         (Ok(ClientMessage::NewBlocks(count))) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:766:9
[INFO] [stdout]     |
[INFO] [stdout] 766 |         (Ok(ClientMessage::String(message))) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:770:9
[INFO] [stdout]     |
[INFO] [stdout] 770 |         (Ok(ClientMessage::Table(table))) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:780:9
[INFO] [stdout]     |
[INFO] [stdout] 780 |         (Ok(ClientMessage::Transaction(txn))) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:783:9
[INFO] [stdout]     |
[INFO] [stdout] 783 |         (Ok(ClientMessage::Done)) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:786:9
[INFO] [stdout]     |
[INFO] [stdout] 786 |         (Err(x)) => {
[INFO] [stdout]     |         ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]   --> src/bin/mech.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArgMatches`
[INFO] [stdout]   --> src/bin/mech.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 | use clap::{Arg, App, ArgMatches, SubCommand};
[INFO] [stdout]    |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Constraint`
[INFO] [stdout]   --> src/bin/mech.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 |   Constraint, 
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JoinHandle`
[INFO] [stdout]   --> src/bin/mech.rs:45:25
[INFO] [stdout]    |
[INFO] [stdout] 45 | use std::thread::{self, JoinHandle};
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/bin/mech.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `alpha1`, `alphanumeric1`, `context`, `convert_error`, `many0`, `many1`, `sequence::tuple`, `space1`
[INFO] [stdout]   --> src/bin/mech.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 52 |   sequence::tuple,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout] 53 |   combinator::opt,
[INFO] [stdout] 54 |   error::{context, convert_error, ErrorKind, ParseError, VerboseError},
[INFO] [stdout]    |           ^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 55 |   multi::{many1, many0},
[INFO] [stdout]    |           ^^^^^  ^^^^^
[INFO] [stdout] 56 |   bytes::complete::{tag},
[INFO] [stdout] 57 |   character::complete::{alphanumeric1, alpha1, digit1, space0, space1},
[INFO] [stdout]    |                         ^^^^^^^^^^^^^  ^^^^^^                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/bin/mech.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `canonicalize`, `create_dir`
[INFO] [stdout]   --> src/bin/mech.rs:65:34
[INFO] [stdout]    |
[INFO] [stdout] 65 | use std::fs::{OpenOptions, File, canonicalize, create_dir};
[INFO] [stdout]    |                                  ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/bin/mech.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/bin/mech.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/bin/mech.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get`
[INFO] [stdout]   --> src/bin/mech.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 | use actix_web::{get, web, App as ActixApp, HttpServer, HttpResponse, Responder, Error, HttpRequest};
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/bin/mech.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]   --> src/bin/mech.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | use std::cell::Cell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/bin/mech.rs:92:1
[INFO] [stdout]    |
[INFO] [stdout] 92 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/bin/mech.rs:313:23
[INFO] [stdout]     |
[INFO] [stdout] 313 |       info: web::Path<(String)>, 
[INFO] [stdout]     |                       ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:490:11
[INFO] [stdout]     |
[INFO] [stdout] 490 |           (Ok(ClientMessage::Pause)) => {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:493:11
[INFO] [stdout]     |
[INFO] [stdout] 493 |           (Ok(ClientMessage::Resume)) => {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:496:11
[INFO] [stdout]     |
[INFO] [stdout] 496 |           (Ok(ClientMessage::Clear)) => {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:499:11
[INFO] [stdout]     |
[INFO] [stdout] 499 |           (Ok(ClientMessage::NewBlocks(count))) => {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:502:11
[INFO] [stdout]     |
[INFO] [stdout] 502 |           (Ok(ClientMessage::String(message))) => {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:506:11
[INFO] [stdout]     |
[INFO] [stdout] 506 |           (Ok(ClientMessage::Table(table))) => {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:518:11
[INFO] [stdout]     |
[INFO] [stdout] 518 |           (Ok(ClientMessage::Transaction(txn))) => {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:521:11
[INFO] [stdout]     |
[INFO] [stdout] 521 |           (Ok(ClientMessage::Done)) => {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:524:11
[INFO] [stdout]     |
[INFO] [stdout] 524 |           (Err(x)) => {
[INFO] [stdout]     |           ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:633:9
[INFO] [stdout]     |
[INFO] [stdout] 633 |         (Ok(ClientMessage::String(message))) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:636:9
[INFO] [stdout]     |
[INFO] [stdout] 636 |         (Ok(ClientMessage::Table(table))) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:653:9
[INFO] [stdout]     |
[INFO] [stdout] 653 |         (Ok(ClientMessage::Transaction(txn))) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:656:9
[INFO] [stdout]     |
[INFO] [stdout] 656 |         (Ok(ClientMessage::Done)) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:663:9
[INFO] [stdout]     |
[INFO] [stdout] 663 |         (Err(x)) => {
[INFO] [stdout]     |         ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:754:9
[INFO] [stdout]     |
[INFO] [stdout] 754 |         (Ok(ClientMessage::Pause)) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:757:9
[INFO] [stdout]     |
[INFO] [stdout] 757 |         (Ok(ClientMessage::Resume)) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:760:9
[INFO] [stdout]     |
[INFO] [stdout] 760 |         (Ok(ClientMessage::Clear)) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:763:9
[INFO] [stdout]     |
[INFO] [stdout] 763 |         (Ok(ClientMessage::NewBlocks(count))) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:766:9
[INFO] [stdout]     |
[INFO] [stdout] 766 |         (Ok(ClientMessage::String(message))) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:770:9
[INFO] [stdout]     |
[INFO] [stdout] 770 |         (Ok(ClientMessage::Table(table))) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:780:9
[INFO] [stdout]     |
[INFO] [stdout] 780 |         (Ok(ClientMessage::Transaction(txn))) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:783:9
[INFO] [stdout]     |
[INFO] [stdout] 783 |         (Ok(ClientMessage::Done)) => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/mech.rs:786:9
[INFO] [stdout]     |
[INFO] [stdout] 786 |         (Err(x)) => {
[INFO] [stdout]     |         ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/bin/mech.rs:561:5
[INFO] [stdout]     |
[INFO] [stdout] 559 |     std::process::exit(0);
[INFO] [stdout]     |     --------------------- any code following this expression is unreachable
[INFO] [stdout] 560 | 
[INFO] [stdout] 561 |     None
[INFO] [stdout]     |     ^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/bin/mech.rs:605:7
[INFO] [stdout]     |
[INFO] [stdout] 600 |         std::process::exit(0);
[INFO] [stdout]     |         --------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 605 |       None
[INFO] [stdout]     |       ^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/bin/mech.rs:561:5
[INFO] [stdout]     |
[INFO] [stdout] 559 |     std::process::exit(0);
[INFO] [stdout]     |     --------------------- any code following this expression is unreachable
[INFO] [stdout] 560 | 
[INFO] [stdout] 561 |     None
[INFO] [stdout]     |     ^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/bin/mech.rs:701:5
[INFO] [stdout]     |
[INFO] [stdout] 700 |     std::process::exit(0);
[INFO] [stdout]     |     --------------------- any code following this expression is unreachable
[INFO] [stdout] 701 |     None
[INFO] [stdout]     |     ^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/bin/mech.rs:605:7
[INFO] [stdout]     |
[INFO] [stdout] 600 |         std::process::exit(0);
[INFO] [stdout]     |         --------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 605 |       None
[INFO] [stdout]     |       ^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/bin/mech.rs:701:5
[INFO] [stdout]     |
[INFO] [stdout] 700 |     std::process::exit(0);
[INFO] [stdout]     |     --------------------- any code following this expression is unreachable
[INFO] [stdout] 701 |     None
[INFO] [stdout]     |     ^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]   --> src/bin/mech.rs:54:46
[INFO] [stdout]    |
[INFO] [stdout] 54 |   error::{context, convert_error, ErrorKind, ParseError, VerboseError},
[INFO] [stdout]    |                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ix`
[INFO] [stdout]     --> src/bin/mech.rs:1009:12
[INFO] [stdout]      |
[INFO] [stdout] 1009 |       for (ix,(text, constraints)) in block.constraints.iter().enumerate() {
[INFO] [stdout]      |            ^^ help: if this is intentional, prefix it with an underscore: `_ix`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/bin/mech.rs:499:40
[INFO] [stdout]     |
[INFO] [stdout] 499 |           (Ok(ClientMessage::NewBlocks(count))) => {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]    --> src/bin/mech.rs:502:37
[INFO] [stdout]     |
[INFO] [stdout] 502 |           (Ok(ClientMessage::String(message))) => {
[INFO] [stdout]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/bin/mech.rs:518:42
[INFO] [stdout]     |
[INFO] [stdout] 518 |           (Ok(ClientMessage::Transaction(txn))) => {
[INFO] [stdout]     |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/bin/mech.rs:524:16
[INFO] [stdout]     |
[INFO] [stdout] 524 |           (Err(x)) => {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]    --> src/bin/mech.rs:528:11
[INFO] [stdout]     |
[INFO] [stdout] 528 |           q => {
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `persistence_path`
[INFO] [stdout]    --> src/bin/mech.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |     let persistence_path = matches.value_of("persistence").unwrap_or("");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_persistence_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `core`
[INFO] [stdout]    --> src/bin/mech.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |     let mut core = Core::new(1000,1000);
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread`
[INFO] [stdout]    --> src/bin/mech.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 486 |     let thread = thread::Builder::new().name("Websocket Receiving Thread".to_string()).spawn(move || {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiler`
[INFO] [stdout]    --> src/bin/mech.rs:568:11
[INFO] [stdout]     |
[INFO] [stdout] 568 |       let mut compiler = Compiler::new();
[INFO] [stdout]     |           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]   --> src/bin/mech.rs:54:46
[INFO] [stdout]    |
[INFO] [stdout] 54 |   error::{context, convert_error, ErrorKind, ParseError, VerboseError},
[INFO] [stdout]    |                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `skip_receive`
[INFO] [stdout]    --> src/bin/mech.rs:624:9
[INFO] [stdout]     |
[INFO] [stdout] 624 |     let mut skip_receive = false;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_skip_receive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `skip_receive`
[INFO] [stdout]    --> src/bin/mech.rs:743:7
[INFO] [stdout]     |
[INFO] [stdout] 743 |   let mut skip_receive = false;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_skip_receive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread`
[INFO] [stdout]    --> src/bin/mech.rs:750:7
[INFO] [stdout]     |
[INFO] [stdout] 750 |   let thread = thread::Builder::new().name("Mech Receiving Thread".to_string()).spawn(move || {
[INFO] [stdout]     |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/bin/mech.rs:826:30
[INFO] [stdout]     |
[INFO] [stdout] 826 |           ReplCommand::Table(id) => {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]    --> src/bin/mech.rs:313:7
[INFO] [stdout]     |
[INFO] [stdout] 313 |       info: web::Path<(String)>, 
[INFO] [stdout]     |       ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/bin/mech.rs:314:7
[INFO] [stdout]     |
[INFO] [stdout] 314 |       data: web::Data<(Sender<RunLoopMessage>,Receiver<ClientMessage>,Vec<u8>,Addr<ServerMonitor>)>
[INFO] [stdout]     |       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/bin/mech.rs:371:12
[INFO] [stdout]     |
[INFO] [stdout] 371 |       let (sender, receiver, miniblocks, _) = data.get_ref();
[INFO] [stdout]     |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receiver`
[INFO] [stdout]    --> src/bin/mech.rs:371:20
[INFO] [stdout]     |
[INFO] [stdout] 371 |       let (sender, receiver, miniblocks, _) = data.get_ref();
[INFO] [stdout]     |                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ix`
[INFO] [stdout]     --> src/bin/mech.rs:1009:12
[INFO] [stdout]      |
[INFO] [stdout] 1009 |       for (ix,(text, constraints)) in block.constraints.iter().enumerate() {
[INFO] [stdout]      |            ^^ help: if this is intentional, prefix it with an underscore: `_ix`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/bin/mech.rs:499:40
[INFO] [stdout]     |
[INFO] [stdout] 499 |           (Ok(ClientMessage::NewBlocks(count))) => {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]    --> src/bin/mech.rs:502:37
[INFO] [stdout]     |
[INFO] [stdout] 502 |           (Ok(ClientMessage::String(message))) => {
[INFO] [stdout]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/bin/mech.rs:518:42
[INFO] [stdout]     |
[INFO] [stdout] 518 |           (Ok(ClientMessage::Transaction(txn))) => {
[INFO] [stdout]     |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/bin/mech.rs:524:16
[INFO] [stdout]     |
[INFO] [stdout] 524 |           (Err(x)) => {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]    --> src/bin/mech.rs:528:11
[INFO] [stdout]     |
[INFO] [stdout] 528 |           q => {
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `persistence_path`
[INFO] [stdout]    --> src/bin/mech.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |     let persistence_path = matches.value_of("persistence").unwrap_or("");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_persistence_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `core`
[INFO] [stdout]    --> src/bin/mech.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |     let mut core = Core::new(1000,1000);
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread`
[INFO] [stdout]    --> src/bin/mech.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 486 |     let thread = thread::Builder::new().name("Websocket Receiving Thread".to_string()).spawn(move || {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compiler`
[INFO] [stdout]    --> src/bin/mech.rs:568:11
[INFO] [stdout]     |
[INFO] [stdout] 568 |       let mut compiler = Compiler::new();
[INFO] [stdout]     |           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `skip_receive`
[INFO] [stdout]    --> src/bin/mech.rs:624:9
[INFO] [stdout]     |
[INFO] [stdout] 624 |     let mut skip_receive = false;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_skip_receive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `skip_receive`
[INFO] [stdout]    --> src/bin/mech.rs:743:7
[INFO] [stdout]     |
[INFO] [stdout] 743 |   let mut skip_receive = false;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_skip_receive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread`
[INFO] [stdout]    --> src/bin/mech.rs:750:7
[INFO] [stdout]     |
[INFO] [stdout] 750 |   let thread = thread::Builder::new().name("Mech Receiving Thread".to_string()).spawn(move || {
[INFO] [stdout]     |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/bin/mech.rs:826:30
[INFO] [stdout]     |
[INFO] [stdout] 826 |           ReplCommand::Table(id) => {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]    --> src/bin/mech.rs:313:7
[INFO] [stdout]     |
[INFO] [stdout] 313 |       info: web::Path<(String)>, 
[INFO] [stdout]     |       ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/bin/mech.rs:314:7
[INFO] [stdout]     |
[INFO] [stdout] 314 |       data: web::Data<(Sender<RunLoopMessage>,Receiver<ClientMessage>,Vec<u8>,Addr<ServerMonitor>)>
[INFO] [stdout]     |       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/bin/mech.rs:371:12
[INFO] [stdout]     |
[INFO] [stdout] 371 |       let (sender, receiver, miniblocks, _) = data.get_ref();
[INFO] [stdout]     |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receiver`
[INFO] [stdout]    --> src/bin/mech.rs:371:20
[INFO] [stdout]     |
[INFO] [stdout] 371 |       let (sender, receiver, miniblocks, _) = data.get_ref();
[INFO] [stdout]     |                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/mech.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |     let mut core = Core::new(1000,1000);
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/mech.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |     let mut runner = ProgramRunner::new("Mech REPL", 1500000);
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/mech.rs:568:11
[INFO] [stdout]     |
[INFO] [stdout] 568 |       let mut compiler = Compiler::new();
[INFO] [stdout]     |           ----^^^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/mech.rs:624:9
[INFO] [stdout]     |
[INFO] [stdout] 624 |     let mut skip_receive = false;
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/mech.rs:743:7
[INFO] [stdout]     |
[INFO] [stdout] 743 |   let mut skip_receive = false;
[INFO] [stdout]     |       ----^^^^^^^^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/mech.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |     let mut core = Core::new(1000,1000);
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/mech.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |     let mut runner = ProgramRunner::new("Mech REPL", 1500000);
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/mech.rs:568:11
[INFO] [stdout]     |
[INFO] [stdout] 568 |       let mut compiler = Compiler::new();
[INFO] [stdout]     |           ----^^^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/mech.rs:624:9
[INFO] [stdout]     |
[INFO] [stdout] 624 |     let mut skip_receive = false;
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/mech.rs:743:7
[INFO] [stdout]     |
[INFO] [stdout] 743 |   let mut skip_receive = false;
[INFO] [stdout]     |       ----^^^^^^^^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_errors`
[INFO] [stdout]    --> src/bin/mech.rs:989:4
[INFO] [stdout]     |
[INFO] [stdout] 989 | fn print_errors(program: &Program) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_errors`
[INFO] [stdout]    --> src/bin/mech.rs:989:4
[INFO] [stdout]     |
[INFO] [stdout] 989 | fn print_errors(program: &Program) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:144:21
[INFO] [stdout]     |
[INFO] [stdout] 144 |                     f.read_to_string(&mut buffer);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 f.read_to_string(&mut buffer);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:297:7
[INFO] [stdout]     |
[INFO] [stdout] 297 |       mech_client.send(RunLoopMessage::Code((0,c)));
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         session.set("mech-user/id", id);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:427:17
[INFO] [stdout]     |
[INFO] [stdout] 427 |                 self.mech_outgoing.send(RunLoopMessage::Listening(register));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:512:17
[INFO] [stdout]     |
[INFO] [stdout] 512 |                 ws_outgoing.send(msg);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:622:5
[INFO] [stdout]     |
[INFO] [stdout] 622 |     mech_client.send(RunLoopMessage::Code((0, MechCode::MiniBlocks(miniblocks))));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:661:11
[INFO] [stdout]     |
[INFO] [stdout] 661 |           mech_client.send(RunLoopMessage::GetTable(output_id));
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:830:13
[INFO] [stdout]     |
[INFO] [stdout] 830 |             mech_client.send(RunLoopMessage::Clear);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:833:13
[INFO] [stdout]     |
[INFO] [stdout] 833 |             mech_client.send(RunLoopMessage::PrintCore(core_id));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:836:13
[INFO] [stdout]     |
[INFO] [stdout] 836 |             mech_client.send(RunLoopMessage::PrintRuntime);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:838:34
[INFO] [stdout]     |
[INFO] [stdout] 838 |           ReplCommand::Pause => {mech_client.send(RunLoopMessage::Pause);},
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:839:35
[INFO] [stdout]     |
[INFO] [stdout] 839 |           ReplCommand::Resume => {mech_client.send(RunLoopMessage::Resume);},
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:847:13
[INFO] [stdout]     |
[INFO] [stdout] 847 |             mech_client.send(RunLoopMessage::Code((0,MechCode::String(code))));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:850:13
[INFO] [stdout]     |
[INFO] [stdout] 850 |             mech_client.send(RunLoopMessage::EchoCode(code));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:144:21
[INFO] [stdout]     |
[INFO] [stdout] 144 |                     f.read_to_string(&mut buffer);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 f.read_to_string(&mut buffer);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:297:7
[INFO] [stdout]     |
[INFO] [stdout] 297 |       mech_client.send(RunLoopMessage::Code((0,c)));
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         session.set("mech-user/id", id);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:427:17
[INFO] [stdout]     |
[INFO] [stdout] 427 |                 self.mech_outgoing.send(RunLoopMessage::Listening(register));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:512:17
[INFO] [stdout]     |
[INFO] [stdout] 512 |                 ws_outgoing.send(msg);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:622:5
[INFO] [stdout]     |
[INFO] [stdout] 622 |     mech_client.send(RunLoopMessage::Code((0, MechCode::MiniBlocks(miniblocks))));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:661:11
[INFO] [stdout]     |
[INFO] [stdout] 661 |           mech_client.send(RunLoopMessage::GetTable(output_id));
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:830:13
[INFO] [stdout]     |
[INFO] [stdout] 830 |             mech_client.send(RunLoopMessage::Clear);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:833:13
[INFO] [stdout]     |
[INFO] [stdout] 833 |             mech_client.send(RunLoopMessage::PrintCore(core_id));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:836:13
[INFO] [stdout]     |
[INFO] [stdout] 836 |             mech_client.send(RunLoopMessage::PrintRuntime);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:838:34
[INFO] [stdout]     |
[INFO] [stdout] 838 |           ReplCommand::Pause => {mech_client.send(RunLoopMessage::Pause);},
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:839:35
[INFO] [stdout]     |
[INFO] [stdout] 839 |           ReplCommand::Resume => {mech_client.send(RunLoopMessage::Resume);},
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:847:13
[INFO] [stdout]     |
[INFO] [stdout] 847 |             mech_client.send(RunLoopMessage::Code((0,MechCode::String(code))));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/mech.rs:850:13
[INFO] [stdout]     |
[INFO] [stdout] 850 |             mech_client.send(RunLoopMessage::EchoCode(code));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 82 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 82 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 14s
[INFO] running `Command { std: "docker" "inspect" "10abf8ce46bb2df4158b047d91e5577d6e1e31ef879895317fcb67d36c7667a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10abf8ce46bb2df4158b047d91e5577d6e1e31ef879895317fcb67d36c7667a2", kill_on_drop: false }`
[INFO] [stdout] 10abf8ce46bb2df4158b047d91e5577d6e1e31ef879895317fcb67d36c7667a2
