[INFO] fetching crate mech-program 0.0.5...
[INFO] checking mech-program-0.0.5 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate mech-program 0.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mech-program 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-program 0.0.5
[INFO] finished tweaking crates.io crate mech-program 0.0.5
[INFO] tweaked toml for crates.io crate mech-program 0.0.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate mech-program 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 serde_json v1.0.52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] f28294f4a566394f0fa34d89b5e704d7eaeff8af87f7902234f48b3f03f9d965
[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" "f28294f4a566394f0fa34d89b5e704d7eaeff8af87f7902234f48b3f03f9d965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f28294f4a566394f0fa34d89b5e704d7eaeff8af87f7902234f48b3f03f9d965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28294f4a566394f0fa34d89b5e704d7eaeff8af87f7902234f48b3f03f9d965", kill_on_drop: false }`
[INFO] [stdout] f28294f4a566394f0fa34d89b5e704d7eaeff8af87f7902234f48b3f03f9d965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d308c56e17215c360d78917dbde6e9983ac6502b6e96d2c40173fc81f355379e
[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" "d308c56e17215c360d78917dbde6e9983ac6502b6e96d2c40173fc81f355379e", kill_on_drop: false }`
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[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Change`, `Core`, `Interner`, `Transaction`
[INFO] [stdout]   --> src/lib.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | use mech_core::{Core, Change, Transaction, Interner};
[INFO] [stdout]    |                 ^^^^  ^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mech_core::Value`
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use mech_core::Value;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Hasher`, `TableIndex`
[INFO] [stdout]   --> src/lib.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use mech_core::{TableIndex, Hasher};
[INFO] [stdout]    |                 ^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Block`, `Constraint`
[INFO] [stdout]   --> src/lib.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 | use mech_core::{Block, Constraint};
[INFO] [stdout]    |                 ^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeMap`, `Bound`
[INFO] [stdout]   --> src/program.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::{HashMap, HashSet, Bound, BTreeMap};
[INFO] [stdout]    |                                          ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::Entry`
[INFO] [stdout]   --> src/program.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::collections::hash_map::Entry;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `canonicalize`
[INFO] [stdout]   --> src/program.rs:13:34
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fs::{OpenOptions, File, canonicalize, create_dir};
[INFO] [stdout]    |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/program.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/program.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]   --> src/program.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TableId`, `TableIndex`
[INFO] [stdout]   --> src/program.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 | use mech_core::{Table, TableIndex, Hasher, TableId};
[INFO] [stdout]    |                        ^^^^^^^^^^          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NetworkTable`
[INFO] [stdout]   --> src/program.rs:24:48
[INFO] [stdout]    |
[INFO] [stdout] 24 | use mech_utilities::{RunLoopMessage, MechCode, NetworkTable};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/program.rs:33:162
[INFO] [stdout]    |
[INFO] [stdout] 33 | ...lientMessage>>) -> Result<Library,Box<std::error::Error>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/program.rs:133:120
[INFO] [stdout]     |
[INFO] [stdout] 133 |   pub fn download_dependencies(&mut self, outgoing: Option<crossbeam_channel::Sender<ClientMessage>>) -> Result<(),Box<std::error::Error>> {
[INFO] [stdout]     |                                                                                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CloseCode`, `Handler`, `Handshake`, `Message`, `Result`, `Sender`, `connect`
[INFO] [stdout]    --> src/program.rs:451:16
[INFO] [stdout]     |
[INFO] [stdout] 451 |       use ws::{connect, Handler, Sender, Handshake, Result, Message, CloseCode};
[INFO] [stdout]     |                ^^^^^^^  ^^^^^^^  ^^^^^^  ^^^^^^^^^  ^^^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Change`, `Core`, `Interner`, `Transaction`
[INFO] [stdout]   --> src/lib.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | use mech_core::{Core, Change, Transaction, Interner};
[INFO] [stdout]    |                 ^^^^  ^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mech_core::Value`
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use mech_core::Value;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Hasher`, `TableIndex`
[INFO] [stdout]   --> src/lib.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use mech_core::{TableIndex, Hasher};
[INFO] [stdout]    |                 ^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Block`, `Constraint`
[INFO] [stdout]   --> src/lib.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 | use mech_core::{Block, Constraint};
[INFO] [stdout]    |                 ^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeMap`, `Bound`
[INFO] [stdout]   --> src/program.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::{HashMap, HashSet, Bound, BTreeMap};
[INFO] [stdout]    |                                          ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::Entry`
[INFO] [stdout]   --> src/program.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::collections::hash_map::Entry;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `canonicalize`
[INFO] [stdout]   --> src/program.rs:13:34
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fs::{OpenOptions, File, canonicalize, create_dir};
[INFO] [stdout]    |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/program.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/program.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]   --> src/program.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TableId`, `TableIndex`
[INFO] [stdout]   --> src/program.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 | use mech_core::{Table, TableIndex, Hasher, TableId};
[INFO] [stdout]    |                        ^^^^^^^^^^          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NetworkTable`
[INFO] [stdout]   --> src/program.rs:24:48
[INFO] [stdout]    |
[INFO] [stdout] 24 | use mech_utilities::{RunLoopMessage, MechCode, NetworkTable};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/program.rs:33:162
[INFO] [stdout]    |
[INFO] [stdout] 33 | ...lientMessage>>) -> Result<Library,Box<std::error::Error>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/program.rs:133:120
[INFO] [stdout]     |
[INFO] [stdout] 133 |   pub fn download_dependencies(&mut self, outgoing: Option<crossbeam_channel::Sender<ClientMessage>>) -> Result<(),Box<std::error::Error>> {
[INFO] [stdout]     |                                                                                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CloseCode`, `Handler`, `Handshake`, `Message`, `Result`, `Sender`, `connect`
[INFO] [stdout]    --> src/program.rs:451:16
[INFO] [stdout]     |
[INFO] [stdout] 451 |       use ws::{connect, Handler, Sender, Handshake, Result, Message, CloseCode};
[INFO] [stdout]     |                ^^^^^^^  ^^^^^^^  ^^^^^^  ^^^^^^^^^  ^^^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/program.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let txn = Transaction::from_change(Change::Set{table: mech_code, row: Index::Index(self.programs), column: Index::Index(1), value: Va...
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/program.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let txn = Transaction::from_change(Change::Set{table: mech_code, row: Index::Index(self.programs), column: Index::Index(1), value: Va...
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]    --> src/program.rs:345:13
[INFO] [stdout]     |
[INFO] [stdout] 345 |         Err(info) => {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `capacity`
[INFO] [stdout]    --> src/program.rs:382:25
[INFO] [stdout]     |
[INFO] [stdout] 382 |   pub fn new(name:&str, capacity: usize) -> ProgramRunner {
[INFO] [stdout]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `persister`
[INFO] [stdout]    --> src/program.rs:426:41
[INFO] [stdout]     |
[INFO] [stdout] 426 |   pub fn add_persist_channel(&mut self, persister:&mut Persister) {
[INFO] [stdout]     |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_persister`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_changes`
[INFO] [stdout]    --> src/program.rs:652:17
[INFO] [stdout]     |
[INFO] [stdout] 652 |             let delta_changes = program.mech.store.len() - pre_changes;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_changes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]    --> src/program.rs:654:17
[INFO] [stdout]     |
[INFO] [stdout] 654 |             let time = (end_ns - start_ns) as f64;              
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_count`
[INFO] [stdout]    --> src/program.rs:724:17
[INFO] [stdout]     |
[INFO] [stdout] 724 |             let block_count = program.mech.runtime.blocks.len();
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ix`
[INFO] [stdout]    --> src/program.rs:748:16
[INFO] [stdout]     |
[INFO] [stdout] 748 |               (ix, code) => {
[INFO] [stdout]     |                ^^ help: if this is intentional, prefix it with an underscore: `_ix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]    --> src/program.rs:748:20
[INFO] [stdout]     |
[INFO] [stdout] 748 |               (ix, code) => {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/program.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let txn = Transaction::from_change(Change::Set{table: mech_code, row: Index::Index(self.programs), column: Index::Index(1), value: Va...
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/program.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let txn = Transaction::from_change(Change::Set{table: mech_code, row: Index::Index(self.programs), column: Index::Index(1), value: Va...
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/program.rs:138:11
[INFO] [stdout]     |
[INFO] [stdout] 138 |       let mut response = reqwest::get(registry_url)?.text()?;
[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: unused variable: `info`
[INFO] [stdout]    --> src/program.rs:345:13
[INFO] [stdout]     |
[INFO] [stdout] 345 |         Err(info) => {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/program.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |             let mut s = format!("{}\0", fun_name.replace("/","_"));
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `capacity`
[INFO] [stdout]    --> src/program.rs:382:25
[INFO] [stdout]     |
[INFO] [stdout] 382 |   pub fn new(name:&str, capacity: usize) -> ProgramRunner {
[INFO] [stdout]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `persister`
[INFO] [stdout]    --> src/program.rs:426:41
[INFO] [stdout]     |
[INFO] [stdout] 426 |   pub fn add_persist_channel(&mut self, persister:&mut Persister) {
[INFO] [stdout]     |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_persister`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/program.rs:207:19
[INFO] [stdout]     |
[INFO] [stdout] 207 |               let mut s = format!("{}\0", fun_name.replace("/","_"));
[INFO] [stdout]     |                   ----^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_changes`
[INFO] [stdout]    --> src/program.rs:652:17
[INFO] [stdout]     |
[INFO] [stdout] 652 |             let delta_changes = program.mech.store.len() - pre_changes;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_changes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]    --> src/program.rs:654:17
[INFO] [stdout]     |
[INFO] [stdout] 654 |             let time = (end_ns - start_ns) as f64;              
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_count`
[INFO] [stdout]    --> src/program.rs:724:17
[INFO] [stdout]     |
[INFO] [stdout] 724 |             let block_count = program.mech.runtime.blocks.len();
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ix`
[INFO] [stdout]    --> src/program.rs:748:16
[INFO] [stdout]     |
[INFO] [stdout] 748 |               (ix, code) => {
[INFO] [stdout]     |                ^^ help: if this is intentional, prefix it with an underscore: `_ix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]    --> src/program.rs:748:20
[INFO] [stdout]     |
[INFO] [stdout] 748 |               (ix, code) => {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `capacity`
[INFO] [stdout]   --> src/program.rs:77:3
[INFO] [stdout]    |
[INFO] [stdout] 77 |   capacity: usize,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(extern_prelude)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/program.rs:138:11
[INFO] [stdout]     |
[INFO] [stdout] 138 |       let mut response = reqwest::get(registry_url)?.text()?;
[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/program.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |             let mut s = format!("{}\0", fun_name.replace("/","_"));
[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/program.rs:207:19
[INFO] [stdout]     |
[INFO] [stdout] 207 |               let mut s = format!("{}\0", fun_name.replace("/","_"));
[INFO] [stdout]     |                   ----^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `capacity`
[INFO] [stdout]   --> src/program.rs:77:3
[INFO] [stdout]    |
[INFO] [stdout] 77 |   capacity: usize,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(extern_prelude)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/program.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 |   create_dir("machines");
[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/program.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Some(sender) => {sender.send(ClientMessage::String(format!("{} {} v{}", "[Downloading]".bright_cyan(), name, ver)));}
[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/program.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 |         Some(sender) => {sender.send(ClientMessage::String(format!("{} {} v{}", "[Loading]".bright_cyan(), name, ver)));}
[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/program.rs:443:7
[INFO] [stdout]     |
[INFO] [stdout] 443 |       program.download_dependencies(Some(client_outgoing.clone()));
[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/program.rs:643:7
[INFO] [stdout]     |
[INFO] [stdout] 643 |       client_outgoing.send(ClientMessage::Done);
[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/program.rs:675:13
[INFO] [stdout]     |
[INFO] [stdout] 675 |             client_outgoing.send(ClientMessage::StepDone);
[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/program.rs:686:17
[INFO] [stdout]     |
[INFO] [stdout] 686 |                 client_outgoing.send(ClientMessage::Table(Some(table_ref.unwrap().borrow().clone())));
[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/program.rs:693:13
[INFO] [stdout]     |
[INFO] [stdout] 693 |             client_outgoing.send(ClientMessage::Stop);
[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/program.rs:701:13
[INFO] [stdout]     |
[INFO] [stdout] 701 |             client_outgoing.send(table_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/program.rs:705:13
[INFO] [stdout]     |
[INFO] [stdout] 705 |             client_outgoing.send(ClientMessage::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/program.rs:710:13
[INFO] [stdout]     |
[INFO] [stdout] 710 |             client_outgoing.send(ClientMessage::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/program.rs:717:13
[INFO] [stdout]     |
[INFO] [stdout] 717 |             client_outgoing.send(ClientMessage::Time(program.mech.offset));
[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/program.rs:721:13
[INFO] [stdout]     |
[INFO] [stdout] 721 |             client_outgoing.send(ClientMessage::Time(program.mech.offset));
[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/program.rs:730:17
[INFO] [stdout]     |
[INFO] [stdout] 730 |                 program.download_dependencies(Some(client_outgoing.clone()));
[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/program.rs:732:17
[INFO] [stdout]     |
[INFO] [stdout] 732 |                 client_outgoing.send(ClientMessage::StepDone);
[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/program.rs:744:17
[INFO] [stdout]     |
[INFO] [stdout] 744 |                 program.download_dependencies(Some(client_outgoing.clone()));
[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/program.rs:746:17
[INFO] [stdout]     |
[INFO] [stdout] 746 |                 client_outgoing.send(ClientMessage::StepDone);
[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/program.rs:766:13
[INFO] [stdout]     |
[INFO] [stdout] 766 |             program.download_dependencies(Some(client_outgoing.clone()));
[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/program.rs:776:13
[INFO] [stdout]     |
[INFO] [stdout] 776 |             client_outgoing.send(ClientMessage::Table(echo_table));
[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/program.rs:777:13
[INFO] [stdout]     |
[INFO] [stdout] 777 |             client_outgoing.send(ClientMessage::StepDone);
[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/program.rs:781:13
[INFO] [stdout]     |
[INFO] [stdout] 781 |             client_outgoing.send(ClientMessage::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/program.rs:784:13
[INFO] [stdout]     |
[INFO] [stdout] 784 | /             match core_id {
[INFO] [stdout] 785 | |               None => client_outgoing.send(ClientMessage::String(format!("{:?}",program.cores.len() + 1))),
[INFO] [stdout] 786 | |               Some(0) => client_outgoing.send(ClientMessage::String(format!("{:?}",program.mech))),
[INFO] [stdout] 787 | |               Some(core_id) => client_outgoing.send(ClientMessage::String(format!("{:?}",program.cores.get(&core_id)))),
[INFO] [stdout] 788 | |             };
[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/program.rs:791:13
[INFO] [stdout]     |
[INFO] [stdout] 791 |             client_outgoing.send(ClientMessage::String(format!("{:?}",program.mech.runtime)));
[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/program.rs:804:13
[INFO] [stdout]     |
[INFO] [stdout] 804 |             client_outgoing.send(ClientMessage::StepDone);
[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/program.rs:811:9
[INFO] [stdout]     |
[INFO] [stdout] 811 |         client_outgoing.send(ClientMessage::Done);
[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/program.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 |   create_dir("machines");
[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/program.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Some(sender) => {sender.send(ClientMessage::String(format!("{} {} v{}", "[Downloading]".bright_cyan(), name, ver)));}
[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/program.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 |         Some(sender) => {sender.send(ClientMessage::String(format!("{} {} v{}", "[Loading]".bright_cyan(), name, ver)));}
[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/program.rs:443:7
[INFO] [stdout]     |
[INFO] [stdout] 443 |       program.download_dependencies(Some(client_outgoing.clone()));
[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/program.rs:643:7
[INFO] [stdout]     |
[INFO] [stdout] 643 |       client_outgoing.send(ClientMessage::Done);
[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/program.rs:675:13
[INFO] [stdout]     |
[INFO] [stdout] 675 |             client_outgoing.send(ClientMessage::StepDone);
[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/program.rs:686:17
[INFO] [stdout]     |
[INFO] [stdout] 686 |                 client_outgoing.send(ClientMessage::Table(Some(table_ref.unwrap().borrow().clone())));
[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/program.rs:693:13
[INFO] [stdout]     |
[INFO] [stdout] 693 |             client_outgoing.send(ClientMessage::Stop);
[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/program.rs:701:13
[INFO] [stdout]     |
[INFO] [stdout] 701 |             client_outgoing.send(table_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/program.rs:705:13
[INFO] [stdout]     |
[INFO] [stdout] 705 |             client_outgoing.send(ClientMessage::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/program.rs:710:13
[INFO] [stdout]     |
[INFO] [stdout] 710 |             client_outgoing.send(ClientMessage::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/program.rs:717:13
[INFO] [stdout]     |
[INFO] [stdout] 717 |             client_outgoing.send(ClientMessage::Time(program.mech.offset));
[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/program.rs:721:13
[INFO] [stdout]     |
[INFO] [stdout] 721 |             client_outgoing.send(ClientMessage::Time(program.mech.offset));
[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/program.rs:730:17
[INFO] [stdout]     |
[INFO] [stdout] 730 |                 program.download_dependencies(Some(client_outgoing.clone()));
[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/program.rs:732:17
[INFO] [stdout]     |
[INFO] [stdout] 732 |                 client_outgoing.send(ClientMessage::StepDone);
[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/program.rs:744:17
[INFO] [stdout]     |
[INFO] [stdout] 744 |                 program.download_dependencies(Some(client_outgoing.clone()));
[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/program.rs:746:17
[INFO] [stdout]     |
[INFO] [stdout] 746 |                 client_outgoing.send(ClientMessage::StepDone);
[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/program.rs:766:13
[INFO] [stdout]     |
[INFO] [stdout] 766 |             program.download_dependencies(Some(client_outgoing.clone()));
[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/program.rs:776:13
[INFO] [stdout]     |
[INFO] [stdout] 776 |             client_outgoing.send(ClientMessage::Table(echo_table));
[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/program.rs:777:13
[INFO] [stdout]     |
[INFO] [stdout] 777 |             client_outgoing.send(ClientMessage::StepDone);
[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/program.rs:781:13
[INFO] [stdout]     |
[INFO] [stdout] 781 |             client_outgoing.send(ClientMessage::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/program.rs:784:13
[INFO] [stdout]     |
[INFO] [stdout] 784 | /             match core_id {
[INFO] [stdout] 785 | |               None => client_outgoing.send(ClientMessage::String(format!("{:?}",program.cores.len() + 1))),
[INFO] [stdout] 786 | |               Some(0) => client_outgoing.send(ClientMessage::String(format!("{:?}",program.mech))),
[INFO] [stdout] 787 | |               Some(core_id) => client_outgoing.send(ClientMessage::String(format!("{:?}",program.cores.get(&core_id)))),
[INFO] [stdout] 788 | |             };
[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/program.rs:791:13
[INFO] [stdout]     |
[INFO] [stdout] 791 |             client_outgoing.send(ClientMessage::String(format!("{:?}",program.mech.runtime)));
[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/program.rs:804:13
[INFO] [stdout]     |
[INFO] [stdout] 804 |             client_outgoing.send(ClientMessage::StepDone);
[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/program.rs:811:9
[INFO] [stdout]     |
[INFO] [stdout] 811 |         client_outgoing.send(ClientMessage::Done);
[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: 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RunLoop`
[INFO] [stdout]  --> tests/program.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mech_program::{ProgramRunner, RunLoop, ClientMessage};
[INFO] [stdout]   |                                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> tests/program.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 |       (Ok(ClientMessage::Table(table))) => {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> tests/program.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 |       message => (),
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/program.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |   let mut runner = ProgramRunner::new("test", 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]   --> tests/program.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |   let mut runner = ProgramRunner::new("test", 1000);
[INFO] [stdout]    |       ----^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> tests/program.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   running.send(RunLoopMessage::Code((0,MechCode::String("#data = [1 2 3 4 5]".to_string()))));
[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]   --> tests/program.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   running.send(RunLoopMessage::Stop);
[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]   --> tests/program.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 |   running.send(RunLoopMessage::Code((0,MechCode::String("#test = math/sin(degrees: 0)".to_string()))));
[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]   --> tests/program.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   running.send(RunLoopMessage::GetTable(Hasher::hash_str("test")));
[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 imports: `ClientMessage`, `ProgramRunner`, `RunLoop`
[INFO] [stdout]  --> src/bin/main.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mech_program::{ProgramRunner, RunLoop, ClientMessage};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RunLoopMessage`
[INFO] [stdout]  --> src/bin/main.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use mech_utilities::{RunLoopMessage};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Core`, `Hasher`, `Index`, `Table`, `Value`
[INFO] [stdout]  --> src/bin/main.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use mech_core::{Core, Value, Hasher, Index, Table};
[INFO] [stdout]   |                 ^^^^  ^^^^^  ^^^^^^  ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mech_syntax::compiler::Compiler`
[INFO] [stdout]  --> src/bin/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use mech_syntax::compiler::Compiler;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam_channel::Sender`
[INFO] [stdout]   --> src/bin/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crossbeam_channel::Sender;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClientMessage`, `ProgramRunner`, `RunLoop`
[INFO] [stdout]  --> src/bin/main.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mech_program::{ProgramRunner, RunLoop, ClientMessage};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RunLoopMessage`
[INFO] [stdout]  --> src/bin/main.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use mech_utilities::{RunLoopMessage};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Core`, `Hasher`, `Index`, `Table`, `Value`
[INFO] [stdout]  --> src/bin/main.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use mech_core::{Core, Value, Hasher, Index, Table};
[INFO] [stdout]   |                 ^^^^  ^^^^^  ^^^^^^  ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mech_syntax::compiler::Compiler`
[INFO] [stdout]  --> src/bin/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use mech_syntax::compiler::Compiler;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam_channel::Sender`
[INFO] [stdout]   --> src/bin/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crossbeam_channel::Sender;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam_channel::Receiver`
[INFO] [stdout]   --> src/bin/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crossbeam_channel::Receiver;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam_channel::Receiver`
[INFO] [stdout]   --> src/bin/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crossbeam_channel::Receiver;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "d308c56e17215c360d78917dbde6e9983ac6502b6e96d2c40173fc81f355379e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d308c56e17215c360d78917dbde6e9983ac6502b6e96d2c40173fc81f355379e", kill_on_drop: false }`
[INFO] [stdout] d308c56e17215c360d78917dbde6e9983ac6502b6e96d2c40173fc81f355379e
