Dec 11 09:37:03.993 INFO checking shmup/chat against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 09:37:03.994 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 09:37:04.720 INFO [stdout] e0f8e9bb806ddc5e2c173fbd13f29f0b1f8ca62e7fbac17573d0f838dd20f9a2
Dec 11 09:37:04.723 INFO running `"docker" "start" "-a" "e0f8e9bb806ddc5e2c173fbd13f29f0b1f8ca62e7fbac17573d0f838dd20f9a2"`
Dec 11 09:37:06.515 INFO [stderr] usermod: no changes
Dec 11 09:37:06.592 INFO [stderr]     Checking chat v0.0.1 (/source)
Dec 11 09:37:06.820 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 11 09:37:06.820 INFO [stderr]  --> src/main.rs:5:5
Dec 11 09:37:06.820 INFO [stderr]   |
Dec 11 09:37:06.820 INFO [stderr] 5 | use std::sync::mpsc::channel;
Dec 11 09:37:06.820 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:37:06.820 INFO [stderr]   |
Dec 11 09:37:06.820 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 09:37:06.820 INFO [stderr] 
Dec 11 09:37:06.896 INFO [stderr] warning: method is never used: `new`
Dec 11 09:37:06.896 INFO [stderr]   --> src/main.rs:12:5
Dec 11 09:37:06.896 INFO [stderr]    |
Dec 11 09:37:06.896 INFO [stderr] 12 |     fn new(stream: TcpStream) -> Client {
Dec 11 09:37:06.896 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:37:06.896 INFO [stderr]    |
Dec 11 09:37:06.896 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 09:37:06.896 INFO [stderr] 
Dec 11 09:37:06.904 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:37:06.904 INFO [stderr]   --> src/main.rs:32:9
Dec 11 09:37:06.904 INFO [stderr]    |
Dec 11 09:37:06.904 INFO [stderr] 32 |         self.stream.write(&mut buffer);
Dec 11 09:37:06.904 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:37:06.904 INFO [stderr]    |
Dec 11 09:37:06.904 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 09:37:06.904 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:37:06.904 INFO [stderr] 
Dec 11 09:37:07.027 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 11 09:37:07.027 INFO [stderr]  --> src/main.rs:5:5
Dec 11 09:37:07.027 INFO [stderr]   |
Dec 11 09:37:07.027 INFO [stderr] 5 | use std::sync::mpsc::channel;
Dec 11 09:37:07.027 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:37:07.027 INFO [stderr]   |
Dec 11 09:37:07.027 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 09:37:07.027 INFO [stderr] 
Dec 11 09:37:07.088 INFO [stderr] warning: method is never used: `new`
Dec 11 09:37:07.088 INFO [stderr]   --> src/main.rs:12:5
Dec 11 09:37:07.088 INFO [stderr]    |
Dec 11 09:37:07.088 INFO [stderr] 12 |     fn new(stream: TcpStream) -> Client {
Dec 11 09:37:07.088 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:37:07.088 INFO [stderr]    |
Dec 11 09:37:07.088 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 09:37:07.088 INFO [stderr] 
Dec 11 09:37:07.096 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:37:07.096 INFO [stderr]   --> src/main.rs:32:9
Dec 11 09:37:07.096 INFO [stderr]    |
Dec 11 09:37:07.096 INFO [stderr] 32 |         self.stream.write(&mut buffer);
Dec 11 09:37:07.096 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:37:07.096 INFO [stderr]    |
Dec 11 09:37:07.096 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 09:37:07.096 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:37:07.096 INFO [stderr] 
Dec 11 09:37:07.128 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 11 09:37:07.140 INFO [stderr] su: No module specific data is present
Dec 11 09:37:08.274 INFO running `"docker" "inspect" "e0f8e9bb806ddc5e2c173fbd13f29f0b1f8ca62e7fbac17573d0f838dd20f9a2"`
Dec 11 09:37:08.638 INFO running `"docker" "rm" "-f" "e0f8e9bb806ddc5e2c173fbd13f29f0b1f8ca62e7fbac17573d0f838dd20f9a2"`
Dec 11 09:37:08.912 INFO [stdout] e0f8e9bb806ddc5e2c173fbd13f29f0b1f8ca62e7fbac17573d0f838dd20f9a2