[INFO] updating cached repository https://github.com/mas-yo/rustgs-testcl
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d467ee5ea8092ba6f8e3c7fbf1450d18db2a2ce
[INFO] checking mas-yo/rustgs-testcl against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmas-yo%2Frustgs-testcl" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mas-yo/rustgs-testcl on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mas-yo/rustgs-testcl
[INFO] finished tweaking git repo https://github.com/mas-yo/rustgs-testcl
[INFO] tweaked toml for git repo https://github.com/mas-yo/rustgs-testcl written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/mas-yo/rustgs-testcl already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 29c714536d377add01331a5c1f4a233abaac572437c927c5b62d8bc91773058a
[INFO] running `"docker" "start" "-a" "29c714536d377add01331a5c1f4a233abaac572437c927c5b62d8bc91773058a"`
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio v0.1.20
[INFO] [stderr]     Checking rustgs-testcl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::SocketAddr`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::net::SocketAddr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RwLock`
[INFO] [stderr]  --> src/main.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::{Arc, Mutex, RwLock};
[INFO] [stderr]   |                             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Decoder`, `Encoder`
[INFO] [stderr]  --> src/main.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio::codec::{Decoder, Encoder, Framed};
[INFO] [stderr]   |                    ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::io`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tokio::io;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpListener`
[INFO] [stderr]  --> src/main.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokio::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `uuid::Uuid`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use uuid::Uuid;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Framed`
[INFO] [stderr]  --> src/command.rs:3:38
[INFO] [stderr]   |
[INFO] [stderr] 3 | use tokio::codec::{Decoder, Encoder, Framed};
[INFO] [stderr]   |                                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:170:33
[INFO] [stderr]     |
[INFO] [stderr] 170 | pub fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::SocketAddr`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::net::SocketAddr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RwLock`
[INFO] [stderr]  --> src/main.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::{Arc, Mutex, RwLock};
[INFO] [stderr]   |                             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Decoder`, `Encoder`
[INFO] [stderr]  --> src/main.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio::codec::{Decoder, Encoder, Framed};
[INFO] [stderr]   |                    ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::io`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tokio::io;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpListener`
[INFO] [stderr]  --> src/main.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokio::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `uuid::Uuid`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use uuid::Uuid;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Framed`
[INFO] [stderr]  --> src/command.rs:3:38
[INFO] [stderr]   |
[INFO] [stderr] 3 | use tokio::codec::{Decoder, Encoder, Framed};
[INFO] [stderr]   |                                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:170:33
[INFO] [stderr]     |
[INFO] [stderr] 170 | pub fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `show`
[INFO] [stderr]   --> src/main.rs:51:43
[INFO] [stderr]    |
[INFO] [stderr] 51 |                         S2C::ShowUI(uiid, show) if *uiid == 1001 => {
[INFO] [stderr]    |                                           ^^^^ help: consider prefixing with an underscore: `_show`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `show`
[INFO] [stderr]   --> src/main.rs:72:43
[INFO] [stderr]    |
[INFO] [stderr] 72 |                         S2C::ShowUI(uiid, show) if *uiid == 2 => {
[INFO] [stderr]    |                                           ^^^^ help: consider prefixing with an underscore: `_show`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uiid`
[INFO] [stderr]    --> src/main.rs:121:38
[INFO] [stderr]     |
[INFO] [stderr] 121 |                         S2C::AddText(uiid, text) => {
[INFO] [stderr]     |                                      ^^^^ help: consider prefixing with an underscore: `_uiid`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]    --> src/main.rs:121:44
[INFO] [stderr]     |
[INFO] [stderr] 121 |                         S2C::AddText(uiid, text) => {
[INFO] [stderr]     |                                            ^^^^ help: consider prefixing with an underscore: `_text`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:150:28
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 .for_each(|s|Ok(()))
[INFO] [stderr]     |                            ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name2`
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let name2 = name.clone();
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_name2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bye_text`
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let bye_text = format!("bye {}", name);
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_bye_text`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx_next`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     tx_next: futures::sync::mpsc::Sender<(u32, String)>,
[INFO] [stderr]    |     ^^^^^^^ help: consider prefixing with an underscore: `_tx_next`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task`
[INFO] [stderr]    --> src/main.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let task = tokio::timer::Interval::new(
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_task`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let mut tx = Arc::new(Mutex::new(tx.wait()));
[INFO] [stderr]    |                 ----^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `show`
[INFO] [stderr]   --> src/main.rs:51:43
[INFO] [stderr]    |
[INFO] [stderr] 51 |                         S2C::ShowUI(uiid, show) if *uiid == 1001 => {
[INFO] [stderr]    |                                           ^^^^ help: consider prefixing with an underscore: `_show`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `show`
[INFO] [stderr]   --> src/main.rs:72:43
[INFO] [stderr]    |
[INFO] [stderr] 72 |                         S2C::ShowUI(uiid, show) if *uiid == 2 => {
[INFO] [stderr]    |                                           ^^^^ help: consider prefixing with an underscore: `_show`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uiid`
[INFO] [stderr]    --> src/main.rs:121:38
[INFO] [stderr]     |
[INFO] [stderr] 121 |                         S2C::AddText(uiid, text) => {
[INFO] [stderr]     |                                      ^^^^ help: consider prefixing with an underscore: `_uiid`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]    --> src/main.rs:121:44
[INFO] [stderr]     |
[INFO] [stderr] 121 |                         S2C::AddText(uiid, text) => {
[INFO] [stderr]     |                                            ^^^^ help: consider prefixing with an underscore: `_text`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:150:28
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 .for_each(|s|Ok(()))
[INFO] [stderr]     |                            ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let mut line = cmd.to_string();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name2`
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let name2 = name.clone();
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_name2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bye_text`
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let bye_text = format!("bye {}", name);
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_bye_text`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx_next`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     tx_next: futures::sync::mpsc::Sender<(u32, String)>,
[INFO] [stderr]    |     ^^^^^^^ help: consider prefixing with an underscore: `_tx_next`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task`
[INFO] [stderr]    --> src/main.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let task = tokio::timer::Interval::new(
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_task`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `ClientGUID`
[INFO] [stderr]  --> src/command.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub(crate) type ClientGUID = String;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SessionToken`
[INFO] [stderr]   --> src/command.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub(crate) type SessionToken = String;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/command.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn new() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             stream.set_nodelay(true);
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let mut tx = Arc::new(Mutex::new(tx.wait()));
[INFO] [stderr]    |                 ----^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let mut line = cmd.to_string();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `ClientGUID`
[INFO] [stderr]  --> src/command.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub(crate) type ClientGUID = String;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SessionToken`
[INFO] [stderr]   --> src/command.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub(crate) type SessionToken = String;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/command.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn new() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             stream.set_nodelay(true);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 9.02s
[INFO] running `"docker" "inspect" "29c714536d377add01331a5c1f4a233abaac572437c927c5b62d8bc91773058a"`
[INFO] running `"docker" "rm" "-f" "29c714536d377add01331a5c1f4a233abaac572437c927c5b62d8bc91773058a"`
[INFO] [stdout] 29c714536d377add01331a5c1f4a233abaac572437c927c5b62d8bc91773058a