Nov 29 23:13:15.167 INFO checking lowellmower/server against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 23:13:15.167 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 29 23:13:15.460 INFO [stdout] dcfa38863bebd09d447aaa6b70954a249bf47c21a60c5746954fc9f43afea62e
Nov 29 23:13:15.462 INFO running `"docker" "start" "-a" "dcfa38863bebd09d447aaa6b70954a249bf47c21a60c5746954fc9f43afea62e"`
Nov 29 23:13:16.274 INFO [stderr] usermod: no changes
Nov 29 23:13:16.351 INFO [stderr]     Checking server v0.1.0 (/source)
Nov 29 23:13:16.674 INFO [stderr] warning: private type `(dyn FnBox + std::marker::Send + 'static)` in public interface (error E0446)
Nov 29 23:13:16.674 INFO [stderr]   --> src/lib.rs:21:1
Nov 29 23:13:16.674 INFO [stderr]    |
Nov 29 23:13:16.674 INFO [stderr] 21 | pub type Job = Box<FnBox + Send + 'static>;
Nov 29 23:13:16.674 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:13:16.674 INFO [stderr]    |
Nov 29 23:13:16.674 INFO [stderr]    = note: #[warn(private_in_public)] on by default
Nov 29 23:13:16.674 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 29 23:13:16.674 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Nov 29 23:13:16.674 INFO [stderr] 
Nov 29 23:13:16.674 INFO [stderr] warning: private type `(dyn FnBox + std::marker::Send + 'static)` in public interface (error E0446)
Nov 29 23:13:16.674 INFO [stderr]   --> src/lib.rs:69:5
Nov 29 23:13:16.674 INFO [stderr]    |
Nov 29 23:13:16.674 INFO [stderr] 69 | /     pub fn new(id: usize, receiver: Arc<Mutex<mpsc::Receiver<Job>>>) -> Worker {
Nov 29 23:13:16.674 INFO [stderr] 70 | |         let thread = thread::spawn(move || loop {
Nov 29 23:13:16.674 INFO [stderr] 71 | |             let job = receiver.lock().unwrap().recv().unwrap();
Nov 29 23:13:16.674 INFO [stderr] 72 | |
Nov 29 23:13:16.674 INFO [stderr] ...  |
Nov 29 23:13:16.674 INFO [stderr] 85 | |         Worker { id, thread }
Nov 29 23:13:16.675 INFO [stderr] 86 | |     }
Nov 29 23:13:16.675 INFO [stderr]    | |_____^
Nov 29 23:13:16.675 INFO [stderr]    |
Nov 29 23:13:16.675 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 29 23:13:16.675 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Nov 29 23:13:16.675 INFO [stderr] 
Nov 29 23:13:16.682 INFO [stderr] warning: field is never used: `workers`
Nov 29 23:13:16.682 INFO [stderr]  --> src/lib.rs:7:5
Nov 29 23:13:16.682 INFO [stderr]   |
Nov 29 23:13:16.682 INFO [stderr] 7 |     workers: Vec<Worker>,
Nov 29 23:13:16.682 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 29 23:13:16.682 INFO [stderr]   |
Nov 29 23:13:16.682 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 23:13:16.682 INFO [stderr] 
Nov 29 23:13:16.682 INFO [stderr] warning: field is never used: `id`
Nov 29 23:13:16.682 INFO [stderr]   --> src/lib.rs:58:5
Nov 29 23:13:16.682 INFO [stderr]    |
Nov 29 23:13:16.682 INFO [stderr] 58 |     id: usize,
Nov 29 23:13:16.682 INFO [stderr]    |     ^^^^^^^^^
Nov 29 23:13:16.685 INFO [stderr] 
Nov 29 23:13:16.685 INFO [stderr] warning: field is never used: `thread`
Nov 29 23:13:16.685 INFO [stderr]   --> src/lib.rs:59:5
Nov 29 23:13:16.685 INFO [stderr]    |
Nov 29 23:13:16.685 INFO [stderr] 59 |     thread: thread::JoinHandle<()>,
Nov 29 23:13:16.685 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:13:16.685 INFO [stderr] 
Nov 29 23:13:16.772 INFO [stderr] warning: private type `(dyn FnBox + std::marker::Send + 'static)` in public interface (error E0446)
Nov 29 23:13:16.772 INFO [stderr]   --> src/lib.rs:21:1
Nov 29 23:13:16.772 INFO [stderr]    |
Nov 29 23:13:16.772 INFO [stderr] 21 | pub type Job = Box<FnBox + Send + 'static>;
Nov 29 23:13:16.772 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:13:16.772 INFO [stderr]    |
Nov 29 23:13:16.772 INFO [stderr]    = note: #[warn(private_in_public)] on by default
Nov 29 23:13:16.772 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 29 23:13:16.772 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Nov 29 23:13:16.772 INFO [stderr] 
Nov 29 23:13:16.772 INFO [stderr] warning: private type `(dyn FnBox + std::marker::Send + 'static)` in public interface (error E0446)
Nov 29 23:13:16.772 INFO [stderr]   --> src/lib.rs:69:5
Nov 29 23:13:16.772 INFO [stderr]    |
Nov 29 23:13:16.772 INFO [stderr] 69 | /     pub fn new(id: usize, receiver: Arc<Mutex<mpsc::Receiver<Job>>>) -> Worker {
Nov 29 23:13:16.772 INFO [stderr] 70 | |         let thread = thread::spawn(move || loop {
Nov 29 23:13:16.772 INFO [stderr] 71 | |             let job = receiver.lock().unwrap().recv().unwrap();
Nov 29 23:13:16.772 INFO [stderr] 72 | |
Nov 29 23:13:16.772 INFO [stderr] ...  |
Nov 29 23:13:16.772 INFO [stderr] 85 | |         Worker { id, thread }
Nov 29 23:13:16.772 INFO [stderr] 86 | |     }
Nov 29 23:13:16.772 INFO [stderr]    | |_____^
Nov 29 23:13:16.772 INFO [stderr]    |
Nov 29 23:13:16.773 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 29 23:13:16.773 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Nov 29 23:13:16.773 INFO [stderr] 
Nov 29 23:13:16.773 INFO [stderr] warning: field is never used: `workers`
Nov 29 23:13:16.773 INFO [stderr]  --> src/lib.rs:7:5
Nov 29 23:13:16.773 INFO [stderr]   |
Nov 29 23:13:16.774 INFO [stderr] 7 |     workers: Vec<Worker>,
Nov 29 23:13:16.774 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 29 23:13:16.774 INFO [stderr]   |
Nov 29 23:13:16.774 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 23:13:16.774 INFO [stderr] 
Nov 29 23:13:16.774 INFO [stderr] warning: field is never used: `id`
Nov 29 23:13:16.774 INFO [stderr]   --> src/lib.rs:58:5
Nov 29 23:13:16.774 INFO [stderr]    |
Nov 29 23:13:16.774 INFO [stderr] 58 |     id: usize,
Nov 29 23:13:16.774 INFO [stderr]    |     ^^^^^^^^^
Nov 29 23:13:16.774 INFO [stderr] 
Nov 29 23:13:16.774 INFO [stderr] warning: field is never used: `thread`
Nov 29 23:13:16.774 INFO [stderr]   --> src/lib.rs:59:5
Nov 29 23:13:16.774 INFO [stderr]    |
Nov 29 23:13:16.774 INFO [stderr] 59 |     thread: thread::JoinHandle<()>,
Nov 29 23:13:16.774 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:13:16.774 INFO [stderr] 
Nov 29 23:13:17.172 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Nov 29 23:13:17.180 INFO [stderr] su: No module specific data is present
Nov 29 23:13:17.844 INFO running `"docker" "inspect" "dcfa38863bebd09d447aaa6b70954a249bf47c21a60c5746954fc9f43afea62e"`
Nov 29 23:13:18.166 INFO running `"docker" "rm" "-f" "dcfa38863bebd09d447aaa6b70954a249bf47c21a60c5746954fc9f43afea62e"`
Nov 29 23:13:18.399 INFO [stdout] dcfa38863bebd09d447aaa6b70954a249bf47c21a60c5746954fc9f43afea62e