Nov 06 10:11:47.111 INFO checking zhenhuanlee/simple_server against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 10:11:47.112 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-0/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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"`
Nov 06 10:11:47.553 INFO blam! 370fb7d9de2002417280555383a92b4e1d29c378a30ea1336821cd68edb46982
Nov 06 10:11:47.556 INFO running `"docker" "start" "-a" "370fb7d9de2002417280555383a92b4e1d29c378a30ea1336821cd68edb46982"`
Nov 06 10:11:48.558 INFO kablam! usermod: no changes
Nov 06 10:11:48.629 INFO kablam!     Checking simple_server v0.1.0 (/source)
Nov 06 10:11:48.780 INFO kablam! warning: field is never used: `workers`
Nov 06 10:11:48.780 INFO kablam!  --> src/hello/lib.rs:8:3
Nov 06 10:11:48.780 INFO kablam!   |
Nov 06 10:11:48.780 INFO kablam! 8 |   workers: Vec<Worker>,
Nov 06 10:11:48.780 INFO kablam!   |   ^^^^^^^^^^^^^^^^^^^^
Nov 06 10:11:48.780 INFO kablam!   |
Nov 06 10:11:48.780 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 06 10:11:48.780 INFO kablam! 
Nov 06 10:11:48.780 INFO kablam! warning: field is never used: `id`
Nov 06 10:11:48.780 INFO kablam!   --> src/hello/lib.rs:15:3
Nov 06 10:11:48.780 INFO kablam!    |
Nov 06 10:11:48.780 INFO kablam! 15 |   id: usize,
Nov 06 10:11:48.780 INFO kablam!    |   ^^^^^^^^^
Nov 06 10:11:48.780 INFO kablam! 
Nov 06 10:11:48.780 INFO kablam! warning: field is never used: `thread`
Nov 06 10:11:48.780 INFO kablam!   --> src/hello/lib.rs:16:3
Nov 06 10:11:48.780 INFO kablam!    |
Nov 06 10:11:48.780 INFO kablam! 16 |   thread: thread::JoinHandle<()>,
Nov 06 10:11:48.780 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 10:11:48.780 INFO kablam! 
Nov 06 10:11:48.824 INFO kablam! warning: field is never used: `workers`
Nov 06 10:11:48.824 INFO kablam!  --> src/hello/lib.rs:8:3
Nov 06 10:11:48.824 INFO kablam!   |
Nov 06 10:11:48.824 INFO kablam! 8 |   workers: Vec<Worker>,
Nov 06 10:11:48.824 INFO kablam!   |   ^^^^^^^^^^^^^^^^^^^^
Nov 06 10:11:48.824 INFO kablam!   |
Nov 06 10:11:48.824 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 06 10:11:48.824 INFO kablam! 
Nov 06 10:11:48.824 INFO kablam! warning: field is never used: `id`
Nov 06 10:11:48.824 INFO kablam!   --> src/hello/lib.rs:15:3
Nov 06 10:11:48.824 INFO kablam!    |
Nov 06 10:11:48.824 INFO kablam! 15 |   id: usize,
Nov 06 10:11:48.824 INFO kablam!    |   ^^^^^^^^^
Nov 06 10:11:48.824 INFO kablam! 
Nov 06 10:11:48.824 INFO kablam! warning: field is never used: `thread`
Nov 06 10:11:48.824 INFO kablam!   --> src/hello/lib.rs:16:3
Nov 06 10:11:48.824 INFO kablam!    |
Nov 06 10:11:48.824 INFO kablam! 16 |   thread: thread::JoinHandle<()>,
Nov 06 10:11:48.824 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 10:11:48.824 INFO kablam! 
Nov 06 10:11:49.127 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Nov 06 10:11:49.133 INFO kablam! su: No module specific data is present
Nov 06 10:11:49.723 INFO running `"docker" "rm" "-f" "370fb7d9de2002417280555383a92b4e1d29c378a30ea1336821cd68edb46982"`
Nov 06 10:11:49.976 INFO blam! 370fb7d9de2002417280555383a92b4e1d29c378a30ea1336821cd68edb46982