[INFO] updating cached repository https://github.com/obaiyan/barragekyi
[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] 7529c813230fe12d778269e21967d77c80bda286
[INFO] checking obaiyan/barragekyi against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobaiyan%2Fbarragekyi" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/obaiyan/barragekyi 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/obaiyan/barragekyi
[INFO] finished tweaking git repo https://github.com/obaiyan/barragekyi
[INFO] tweaked toml for git repo https://github.com/obaiyan/barragekyi written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/obaiyan/barragekyi already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2c34c35c187c3a43ce3d77367c8468a3addd89dd5f10a4107c40b917eda16a5d
[INFO] running `"docker" "start" "-a" "2c34c35c187c3a43ce3d77367c8468a3addd89dd5f10a4107c40b917eda16a5d"`
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking mio v0.6.12
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking tokio-core v0.1.11
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking hyper v0.11.11
[INFO] [stderr]     Checking barragekyi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]   --> src/client/barrage_client.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std;
[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/client/barrage_client.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::sync::{Arc, Mutex};
[INFO] [stderr]    |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client/barrage_client.rs:231:42
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn send_message(&mut self, message: &Message) {
[INFO] [stderr]     |                                          ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]   --> src/client/barrage_client.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std;
[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/client/barrage_client.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::sync::{Arc, Mutex};
[INFO] [stderr]    |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client/barrage_client.rs:231:42
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn send_message(&mut self, message: &Message) {
[INFO] [stderr]     |                                          ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handler`
[INFO] [stderr]    --> src/client/barrage_client.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let handler = thread::spawn(move || {
[INFO] [stderr]     |             ^^^^^^^ help: consider prefixing with an underscore: `_handler`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]    --> src/client/barrage_client.rs:156:17
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let mut message = receiver.recv().unwrap();
[INFO] [stderr]     |                 ^^^^^^^ help: consider prefixing with an underscore: `_message`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/client/barrage_client.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let mut message = receiver.recv().unwrap();
[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: `handler`
[INFO] [stderr]    --> src/client/barrage_client.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let handler = thread::spawn(move || {
[INFO] [stderr]     |             ^^^^^^^ help: consider prefixing with an underscore: `_handler`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]    --> src/client/barrage_client.rs:156:17
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let mut message = receiver.recv().unwrap();
[INFO] [stderr]     |                 ^^^^^^^ help: consider prefixing with an underscore: `_message`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_bytes`
[INFO] [stderr]   --> src/client/barrage_client.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn print_bytes(data: &Vec<u8>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_hello`
[INFO] [stderr]   --> src/client/barrage_client.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn print_hello(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/client/barrage_client.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let mut message = receiver.recv().unwrap();
[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: function is never used: `print_bytes`
[INFO] [stderr]   --> src/client/barrage_client.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn print_bytes(data: &Vec<u8>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_hello`
[INFO] [stderr]   --> src/client/barrage_client.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn print_hello(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.37s
[INFO] running `"docker" "inspect" "2c34c35c187c3a43ce3d77367c8468a3addd89dd5f10a4107c40b917eda16a5d"`
[INFO] running `"docker" "rm" "-f" "2c34c35c187c3a43ce3d77367c8468a3addd89dd5f10a4107c40b917eda16a5d"`
[INFO] [stdout] 2c34c35c187c3a43ce3d77367c8468a3addd89dd5f10a4107c40b917eda16a5d