[INFO] crate mech-server 0.0.4 is already in cache
[INFO] checking mech-server-0.0.4 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate mech-server 0.0.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate mech-server 0.0.4 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mech-server 0.0.4
[INFO] finished tweaking crates.io crate mech-server 0.0.4
[INFO] tweaked toml for crates.io crate mech-server 0.0.4 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bd74e3a692a4ac30df81cf50e0fec14e3b45cb7c7edc0c136c23f6f5dcf764f0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bd74e3a692a4ac30df81cf50e0fec14e3b45cb7c7edc0c136c23f6f5dcf764f0"`
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling semver v0.9.0
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[INFO] [stderr]    Compiling phf_codegen v0.7.24
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[INFO] [stderr]    Compiling mime_guess v1.8.8
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[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]   --> src/lib.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::path::{Path, PathBuf};
[INFO] [stderr]    |                       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Sender`, `self`
[INFO] [stderr]   --> src/lib.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::sync::mpsc::{self, Sender};
[INFO] [stderr]    |                       ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `App`, `Arg`
[INFO] [stderr]   --> src/lib.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | use clap::{Arg, App};
[INFO] [stderr]    |            ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CloseCode`, `Handler`, `Handshake`, `Message`, `Sender as WSSender`
[INFO] [stderr]   --> src/lib.rs:19:18
[INFO] [stderr]    |
[INFO] [stderr] 19 | use ws::{listen, Message, Sender as WSSender, Handler, CloseCode, Handshake};
[INFO] [stderr]    |                  ^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]   --> src/lib.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 | use serde_json::{Error};
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/lib.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]   --> src/lib.rs:39:17
[INFO] [stderr]    |
[INFO] [stderr] 39 | use std::sync::{Arc, Mutex};
[INFO] [stderr]    |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]   --> src/lib.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | use std::ops::Deref;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]   --> src/lib.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | use std::collections::HashSet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File`, `self`
[INFO] [stderr]   --> src/lib.rs:42:15
[INFO] [stderr]    |
[INFO] [stderr] 42 | use std::fs::{self, File};
[INFO] [stderr]    |               ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> src/lib.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Change`, `Core`, `Transaction`
[INFO] [stderr]   --> src/lib.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 | use mech_core::{Core, Change, Transaction};
[INFO] [stderr]    |                 ^^^^  ^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mech_core::Value`
[INFO] [stderr]   --> src/lib.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | use mech_core::Value;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Hasher`, `TableIndex`
[INFO] [stderr]   --> src/lib.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 | use mech_core::{TableIndex, Hasher};
[INFO] [stderr]    |                 ^^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Block`, `Constraint`
[INFO] [stderr]   --> src/lib.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 | use mech_core::{Block, Constraint};
[INFO] [stderr]    |                 ^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ProgramRunner`, `RunLoop`
[INFO] [stderr]   --> src/lib.rs:57:20
[INFO] [stderr]    |
[INFO] [stderr] 57 | use mech_program::{ProgramRunner, RunLoop};
[INFO] [stderr]    |                    ^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RunLoopMessage`
[INFO] [stderr]   --> src/lib.rs:58:22
[INFO] [stderr]    |
[INFO] [stderr] 58 | use mech_utilities::{RunLoopMessage};
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stderr]   --> src/lib.rs:63:12
[INFO] [stderr]    |
[INFO] [stderr] 63 | use rand::{Rng, thread_rng};
[INFO] [stderr]    |            ^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `walkdir::WalkDir`
[INFO] [stderr]   --> src/lib.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 | use walkdir::WalkDir;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `listen`
[INFO] [stderr]  --> src/client.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ws::{listen, Message, Sender as WSSender, Handler, CloseCode, Handshake};
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Core`
[INFO] [stderr]   --> src/client.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 | use mech_core::{TableId, Core, Change, Transaction, Value, Index, ErrorType};
[INFO] [stderr]    |                          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]   --> src/lib.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::path::{Path, PathBuf};
[INFO] [stderr]    |                       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Sender`, `self`
[INFO] [stderr]   --> src/lib.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::sync::mpsc::{self, Sender};
[INFO] [stderr]    |                       ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `App`, `Arg`
[INFO] [stderr]   --> src/lib.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | use clap::{Arg, App};
[INFO] [stderr]    |            ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CloseCode`, `Handler`, `Handshake`, `Message`, `Sender as WSSender`
[INFO] [stderr]   --> src/lib.rs:19:18
[INFO] [stderr]    |
[INFO] [stderr] 19 | use ws::{listen, Message, Sender as WSSender, Handler, CloseCode, Handshake};
[INFO] [stderr]    |                  ^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]   --> src/lib.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 | use serde_json::{Error};
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/lib.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]   --> src/lib.rs:39:17
[INFO] [stderr]    |
[INFO] [stderr] 39 | use std::sync::{Arc, Mutex};
[INFO] [stderr]    |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]   --> src/lib.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | use std::ops::Deref;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]   --> src/lib.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | use std::collections::HashSet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File`, `self`
[INFO] [stderr]   --> src/lib.rs:42:15
[INFO] [stderr]    |
[INFO] [stderr] 42 | use std::fs::{self, File};
[INFO] [stderr]    |               ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> src/lib.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Change`, `Core`, `Transaction`
[INFO] [stderr]   --> src/lib.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 | use mech_core::{Core, Change, Transaction};
[INFO] [stderr]    |                 ^^^^  ^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mech_core::Value`
[INFO] [stderr]   --> src/lib.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | use mech_core::Value;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Hasher`, `TableIndex`
[INFO] [stderr]   --> src/lib.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 | use mech_core::{TableIndex, Hasher};
[INFO] [stderr]    |                 ^^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Block`, `Constraint`
[INFO] [stderr]   --> src/lib.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 | use mech_core::{Block, Constraint};
[INFO] [stderr]    |                 ^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ProgramRunner`, `RunLoop`
[INFO] [stderr]   --> src/lib.rs:57:20
[INFO] [stderr]    |
[INFO] [stderr] 57 | use mech_program::{ProgramRunner, RunLoop};
[INFO] [stderr]    |                    ^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RunLoopMessage`
[INFO] [stderr]   --> src/lib.rs:58:22
[INFO] [stderr]    |
[INFO] [stderr] 58 | use mech_utilities::{RunLoopMessage};
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stderr]   --> src/lib.rs:63:12
[INFO] [stderr]    |
[INFO] [stderr] 63 | use rand::{Rng, thread_rng};
[INFO] [stderr]    |            ^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `walkdir::WalkDir`
[INFO] [stderr]   --> src/lib.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 | use walkdir::WalkDir;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `listen`
[INFO] [stderr]  --> src/client.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ws::{listen, Message, Sender as WSSender, Handler, CloseCode, Handshake};
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Core`
[INFO] [stderr]   --> src/client.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 | use mech_core::{TableId, Core, Change, Transaction, Value, Index, ErrorType};
[INFO] [stderr]    |                          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `outgoing`
[INFO] [stderr]   --> src/client.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let outgoing = runner.program.outgoing.clone();
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outgoing`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ix`
[INFO] [stderr]   --> src/client.rs:78:14
[INFO] [stderr]    |
[INFO] [stderr] 78 |         for (ix,(text, constraints)) in block.constraints.iter().enumerate() {
[INFO] [stderr]    |              ^^ help: if this is intentional, prefix it with an underscore: `_ix`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `persistence_path`
[INFO] [stderr]   --> src/client.rs:30:88
[INFO] [stderr]    |
[INFO] [stderr] 30 |   pub fn new(client_name: &str, out: Option<WSSender>, mech_paths: Option<&Vec<&str>>, persistence_path: Option<&str>) -> ClientHandler {
[INFO] [stderr]    |                                                                                        ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_persistence_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handshake`
[INFO] [stderr]    --> src/client.rs:101:25
[INFO] [stderr]     |
[INFO] [stderr] 101 |   fn on_open(&mut self, handshake: Handshake) -> Result<(),ws::Error> {
[INFO] [stderr]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handshake`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `outgoing`
[INFO] [stderr]   --> src/client.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let outgoing = runner.program.outgoing.clone();
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outgoing`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ix`
[INFO] [stderr]   --> src/client.rs:78:14
[INFO] [stderr]    |
[INFO] [stderr] 78 |         for (ix,(text, constraints)) in block.constraints.iter().enumerate() {
[INFO] [stderr]    |              ^^ help: if this is intentional, prefix it with an underscore: `_ix`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `persistence_path`
[INFO] [stderr]   --> src/client.rs:30:88
[INFO] [stderr]    |
[INFO] [stderr] 30 |   pub fn new(client_name: &str, out: Option<WSSender>, mech_paths: Option<&Vec<&str>>, persistence_path: Option<&str>) -> ClientHandler {
[INFO] [stderr]    |                                                                                        ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_persistence_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handshake`
[INFO] [stderr]    --> src/client.rs:101:25
[INFO] [stderr]     |
[INFO] [stderr] 101 |   fn on_open(&mut self, handshake: Handshake) -> Result<(),ws::Error> {
[INFO] [stderr]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handshake`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | #![feature(extern_prelude)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/client.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/client.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | #![feature(extern_prelude)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/client.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/client.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/client.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         runner.load_program(contents);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/client.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |             self.running.send(RunLoopMessage::Transaction(txn));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/client.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |             self.running.send(RunLoopMessage::Listening(table_ids));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/client.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         runner.load_program(contents);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/client.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |             self.running.send(RunLoopMessage::Transaction(txn));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/client.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |             self.running.send(RunLoopMessage::Listening(table_ids));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `"docker" "inspect" "bd74e3a692a4ac30df81cf50e0fec14e3b45cb7c7edc0c136c23f6f5dcf764f0"`
[INFO] running `"docker" "rm" "-f" "bd74e3a692a4ac30df81cf50e0fec14e3b45cb7c7edc0c136c23f6f5dcf764f0"`
[INFO] [stdout] bd74e3a692a4ac30df81cf50e0fec14e3b45cb7c7edc0c136c23f6f5dcf764f0
