Oct 31 17:08:25.090 INFO checking zhenhuanlee/simple_server against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 17:08:25.090 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Oct 31 17:08:25.612 INFO blam! e9f73162d65ee4fbae00eb1f23f38dcdfda4f81b49c19a0c74a06820fb959fd5
Oct 31 17:08:25.628 INFO running `"docker" "start" "-a" "e9f73162d65ee4fbae00eb1f23f38dcdfda4f81b49c19a0c74a06820fb959fd5"`
Oct 31 17:08:26.780 INFO kablam! usermod: no changes
Oct 31 17:08:26.832 INFO kablam!     Checking simple_server v0.1.0 (/source)
Oct 31 17:08:27.116 INFO kablam! warning: field is never used: `workers`
Oct 31 17:08:27.117 INFO kablam!  --> src/hello/lib.rs:8:3
Oct 31 17:08:27.117 INFO kablam!   |
Oct 31 17:08:27.117 INFO kablam! 8 |   workers: Vec<Worker>,
Oct 31 17:08:27.117 INFO kablam!   |   ^^^^^^^^^^^^^^^^^^^^
Oct 31 17:08:27.117 INFO kablam!   |
Oct 31 17:08:27.117 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 17:08:27.117 INFO kablam! 
Oct 31 17:08:27.117 INFO kablam! warning: field is never used: `id`
Oct 31 17:08:27.117 INFO kablam!   --> src/hello/lib.rs:15:3
Oct 31 17:08:27.117 INFO kablam!    |
Oct 31 17:08:27.117 INFO kablam! 15 |   id: usize,
Oct 31 17:08:27.117 INFO kablam!    |   ^^^^^^^^^
Oct 31 17:08:27.117 INFO kablam! 
Oct 31 17:08:27.117 INFO kablam! warning: field is never used: `thread`
Oct 31 17:08:27.117 INFO kablam!   --> src/hello/lib.rs:16:3
Oct 31 17:08:27.117 INFO kablam!    |
Oct 31 17:08:27.117 INFO kablam! 16 |   thread: thread::JoinHandle<()>,
Oct 31 17:08:27.117 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:08:27.117 INFO kablam! 
Oct 31 17:08:27.200 INFO kablam! warning: field is never used: `workers`
Oct 31 17:08:27.200 INFO kablam!  --> src/hello/lib.rs:8:3
Oct 31 17:08:27.200 INFO kablam!   |
Oct 31 17:08:27.201 INFO kablam! 8 |   workers: Vec<Worker>,
Oct 31 17:08:27.201 INFO kablam!   |   ^^^^^^^^^^^^^^^^^^^^
Oct 31 17:08:27.201 INFO kablam!   |
Oct 31 17:08:27.201 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 17:08:27.201 INFO kablam! 
Oct 31 17:08:27.201 INFO kablam! warning: field is never used: `id`
Oct 31 17:08:27.201 INFO kablam!   --> src/hello/lib.rs:15:3
Oct 31 17:08:27.201 INFO kablam!    |
Oct 31 17:08:27.201 INFO kablam! 15 |   id: usize,
Oct 31 17:08:27.201 INFO kablam!    |   ^^^^^^^^^
Oct 31 17:08:27.201 INFO kablam! 
Oct 31 17:08:27.201 INFO kablam! warning: field is never used: `thread`
Oct 31 17:08:27.201 INFO kablam!   --> src/hello/lib.rs:16:3
Oct 31 17:08:27.201 INFO kablam!    |
Oct 31 17:08:27.201 INFO kablam! 16 |   thread: thread::JoinHandle<()>,
Oct 31 17:08:27.201 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:08:27.201 INFO kablam! 
Oct 31 17:08:27.456 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Oct 31 17:08:27.456 INFO kablam! su: No module specific data is present
Oct 31 17:08:28.042 INFO running `"docker" "rm" "-f" "e9f73162d65ee4fbae00eb1f23f38dcdfda4f81b49c19a0c74a06820fb959fd5"`
Oct 31 17:08:28.388 INFO blam! e9f73162d65ee4fbae00eb1f23f38dcdfda4f81b49c19a0c74a06820fb959fd5