[INFO] cloning repository https://github.com/potatob6/RemoteControllerRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/potatob6/RemoteControllerRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpotatob6%2FRemoteControllerRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpotatob6%2FRemoteControllerRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc03db8fcc5aea4c71d9bb4e0ae900986ebde395
[INFO] checking potatob6/RemoteControllerRust against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpotatob6%2FRemoteControllerRust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/potatob6/RemoteControllerRust
[INFO] finished tweaking git repo https://github.com/potatob6/RemoteControllerRust
[INFO] tweaked toml for git repo https://github.com/potatob6/RemoteControllerRust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/potatob6/RemoteControllerRust on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/potatob6/RemoteControllerRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c87229e5037a2274931a82a7e8da8f344223088922b89d3dad8b7a5f3beb6a60
[INFO] running `Command { std: "docker" "start" "-a" "c87229e5037a2274931a82a7e8da8f344223088922b89d3dad8b7a5f3beb6a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c87229e5037a2274931a82a7e8da8f344223088922b89d3dad8b7a5f3beb6a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87229e5037a2274931a82a7e8da8f344223088922b89d3dad8b7a5f3beb6a60", kill_on_drop: false }`
[INFO] [stdout] c87229e5037a2274931a82a7e8da8f344223088922b89d3dad8b7a5f3beb6a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 200053e1705f4a26b84cadf294c42920469116c04ea22611ff0165b1708214a0
[INFO] running `Command { std: "docker" "start" "-a" "200053e1705f4a26b84cadf294c42920469116c04ea22611ff0165b1708214a0", kill_on_drop: false }`
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RecvError` and `TryRecvError`
[INFO] [stdout]  --> src/cmd_handler.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{mpsc::{self, RecvError, TryRecvError}, RwLock, Arc}, thread, io::{Write, BufReader, BufRead}};
[INFO] [stdout]   |                               ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufWriter`, `cell::RefCell`, and `error::Error`
[INFO] [stdout]  --> src/network_connector.rs:1:201
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...on, io::{BufReader, BufRead, ErrorKind, Write, BufWriter}, error::Error, cell::RefCell};
[INFO] [stdout]   |                                                   ^^^^^^^^^   ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `collections::HashMap`, and `error::Error`
[INFO] [stdout]  --> src/test.rs:3:100
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...{Write, Read, BufReader, BufRead, ErrorKind}, thread, collections::HashMap, sync::mpsc, error::Error};
[INFO] [stdout]   |                                      ^^^^^^^^^           ^^^^^^^^^^^^^^^^^^^^              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RecvError` and `TryRecvError`
[INFO] [stdout]  --> src/cmd_handler.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{mpsc::{self, RecvError, TryRecvError}, RwLock, Arc}, thread, io::{Write, BufReader, BufRead}};
[INFO] [stdout]   |                               ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufWriter`, `cell::RefCell`, and `error::Error`
[INFO] [stdout]  --> src/network_connector.rs:1:201
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...on, io::{BufReader, BufRead, ErrorKind, Write, BufWriter}, error::Error, cell::RefCell};
[INFO] [stdout]   |                                                   ^^^^^^^^^   ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/cmd_handler.rs:45:50
[INFO] [stdout]    |
[INFO] [stdout] 45 |                         RequestString::Terminate(msg) => {
[INFO] [stdout]    |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/cmd_handler.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/cmd_handler.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/network_connector.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let mut result: Result<u8, u8> = Ok(0);
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> src/network_connector.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 Err(o) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/network_connector.rs:103:33
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...                   result = Err(3);
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/network_connector.rs:111:33
[INFO] [stdout]     |
[INFO] [stdout] 111 | ...                   result = Err(4);
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/network_connector.rs:144:37
[INFO] [stdout]     |
[INFO] [stdout] 144 | ...                   result = Err(7);
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/network_connector.rs:161:45
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...                   let data = HttpLikeData::new()
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/network_connector.rs:175:45
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...                   result = Err(7);
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/network_connector.rs:180:63
[INFO] [stdout]     |
[INFO] [stdout] 180 | ...                   ResponseString::Terminate(data) => {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/cmd_handler.rs:45:50
[INFO] [stdout]    |
[INFO] [stdout] 45 |                         RequestString::Terminate(msg) => {
[INFO] [stdout]    |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/cmd_handler.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/cmd_handler.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/network_connector.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let mut result: Result<u8, u8> = Ok(0);
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> src/network_connector.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 Err(o) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/network_connector.rs:103:33
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...                   result = Err(3);
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/network_connector.rs:111:33
[INFO] [stdout]     |
[INFO] [stdout] 111 | ...                   result = Err(4);
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/network_connector.rs:144:37
[INFO] [stdout]     |
[INFO] [stdout] 144 | ...                   result = Err(7);
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/network_connector.rs:161:45
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...                   let data = HttpLikeData::new()
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/network_connector.rs:175:45
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...                   result = Err(7);
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/network_connector.rs:180:63
[INFO] [stdout]     |
[INFO] [stdout] 180 | ...                   ResponseString::Terminate(data) => {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/test.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let result = network.join();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]   --> src/test.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let cmd = "Action:new\nSeq:2\nFile Name:\"E%3a%5cshare_lock%5cshare\"\n\n27184yh291j4291n%5c%25".as_bytes();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> src/test.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let m = String::from_utf8_lossy(&command_parser::escape_decode(buf)).to_string();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/test.rs:145:20
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 Ok(size) => {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/test.rs:148:21
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/test.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |             s.send(String::from("fuck"));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |             let _ = s.send(String::from("fuck"));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/test.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         k.join();
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let _ = k.join();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "200053e1705f4a26b84cadf294c42920469116c04ea22611ff0165b1708214a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "200053e1705f4a26b84cadf294c42920469116c04ea22611ff0165b1708214a0", kill_on_drop: false }`
[INFO] [stdout] 200053e1705f4a26b84cadf294c42920469116c04ea22611ff0165b1708214a0