[INFO] updating cached repository mariasiuvlad/pcagent-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mariasiuvlad/pcagent-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mariasiuvlad/pcagent-rs" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/mariasiuvlad/pcagent-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/mariasiuvlad/pcagent-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mariasiuvlad/pcagent-rs" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/mariasiuvlad/pcagent-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/mariasiuvlad/pcagent-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 752db0f47ff121ab2e4a462d70eca97ddbde1a93
[INFO] sha for GitHub repo mariasiuvlad/pcagent-rs: 752db0f47ff121ab2e4a462d70eca97ddbde1a93
[INFO] validating manifest of mariasiuvlad/pcagent-rs on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mariasiuvlad/pcagent-rs on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mariasiuvlad/pcagent-rs
[INFO] finished frobbing mariasiuvlad/pcagent-rs
[INFO] frobbed toml for mariasiuvlad/pcagent-rs written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/mariasiuvlad/pcagent-rs/Cargo.toml
[INFO] started frobbing mariasiuvlad/pcagent-rs
[INFO] finished frobbing mariasiuvlad/pcagent-rs
[INFO] frobbed toml for mariasiuvlad/pcagent-rs written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/mariasiuvlad/pcagent-rs/Cargo.toml
[INFO] crate mariasiuvlad/pcagent-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking mariasiuvlad/pcagent-rs against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/mariasiuvlad/pcagent-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f97d74cf1b61d652ff1f590d7266f0b872e41f82d7a5016a25194a0e40f088d5
[INFO] running `"docker" "start" "-a" "f97d74cf1b61d652ff1f590d7266f0b872e41f82d7a5016a25194a0e40f088d5"`
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]     Checking pcagent-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> src/main.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> src/main.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `port`
[INFO] [stderr]   --> src/main.rs:33:25
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn execute_command_test(port: u16, msg: &str) -> Request {
[INFO] [stderr]    |                         ^^^^ help: consider prefixing with an underscore: `_port`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr_str`
[INFO] [stderr]   --> src/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let addr_str: String = format!("{:?}", addr);
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_addr_str`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let addr = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)), 8085);
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `port`
[INFO] [stderr]   --> src/main.rs:33:25
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn execute_command_test(port: u16, msg: &str) -> Request {
[INFO] [stderr]    |                         ^^^^ help: consider prefixing with an underscore: `_port`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr_str`
[INFO] [stderr]   --> src/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let addr_str: String = format!("{:?}", addr);
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_addr_str`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let addr = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)), 8085);
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `request`
[INFO] [stderr]   --> src/framed_io.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |   pub fn request(&self, data: String) -> impl Future<Item = String, Error = io::Error> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `request`
[INFO] [stderr]   --> src/framed_io.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn request(io: AgentIO, data: String) -> impl Future<Item = String, Error = io::Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Reader`
[INFO] [stderr]   --> src/framed_io.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct Reader(pub ReadRef);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/framed_io.rs:47:3
[INFO] [stderr]    |
[INFO] [stderr] 47 |   pub fn new(wr: WriteRef, data: String) -> Writer {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `execute_command`
[INFO] [stderr]   --> src/main.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn execute_command(msg: &str) -> Request {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `execute_command_test`
[INFO] [stderr]   --> src/main.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn execute_command_test(port: u16, msg: &str) -> Request {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `request`
[INFO] [stderr]   --> src/framed_io.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |   pub fn request(&self, data: String) -> impl Future<Item = String, Error = io::Error> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `request`
[INFO] [stderr]   --> src/framed_io.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn request(io: AgentIO, data: String) -> impl Future<Item = String, Error = io::Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Reader`
[INFO] [stderr]   --> src/framed_io.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct Reader(pub ReadRef);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/framed_io.rs:47:3
[INFO] [stderr]    |
[INFO] [stderr] 47 |   pub fn new(wr: WriteRef, data: String) -> Writer {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `execute_command`
[INFO] [stderr]   --> src/main.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn execute_command(msg: &str) -> Request {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `execute_command_test`
[INFO] [stderr]   --> src/main.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn execute_command_test(port: u16, msg: &str) -> Request {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.62s
[INFO] running `"docker" "inspect" "f97d74cf1b61d652ff1f590d7266f0b872e41f82d7a5016a25194a0e40f088d5"`
[INFO] running `"docker" "rm" "-f" "f97d74cf1b61d652ff1f590d7266f0b872e41f82d7a5016a25194a0e40f088d5"`
[INFO] [stdout] f97d74cf1b61d652ff1f590d7266f0b872e41f82d7a5016a25194a0e40f088d5