Dec 14 06:40:52.188 INFO testing Pyrlang/Term against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 06:40:52.188 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 14 06:40:52.616 INFO [stdout] e30407187c0e381932c2749860aa564cd8e730d83c8b12e5f106ce423633da4e
Dec 14 06:40:52.620 INFO running `"docker" "start" "-a" "e30407187c0e381932c2749860aa564cd8e730d83c8b12e5f106ce423633da4e"`
Dec 14 06:40:53.607 INFO [stderr] usermod: no changes
Dec 14 06:40:53.757 INFO [stderr]    Compiling cpython v0.2.0
Dec 14 06:40:53.757 INFO [stderr]    Compiling byte v0.2.3
Dec 14 06:40:53.763 INFO [stderr]    Compiling empty v0.0.4
Dec 14 06:40:53.763 INFO [stderr]    Compiling python3-sys v0.2.0
Dec 14 06:40:53.763 INFO [stderr]    Compiling compress v0.1.2
Dec 14 06:41:01.031 INFO [stderr]    Compiling native_codec_impl v0.1.0 (/source)
Dec 14 06:41:03.417 INFO [stderr] warning: unused variable: `size`
Dec 14 06:41:03.417 INFO [stderr]    --> src/decoder.rs:493:9
Dec 14 06:41:03.417 INFO [stderr]     |
Dec 14 06:41:03.417 INFO [stderr] 493 |     let size = in_bytes.read_with::<u32>(offset, byte::BE)?;
Dec 14 06:41:03.417 INFO [stderr]     |         ^^^^ help: consider using `_size` instead
Dec 14 06:41:03.417 INFO [stderr]     |
Dec 14 06:41:03.417 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 06:41:03.417 INFO [stderr] 
Dec 14 06:41:03.417 INFO [stderr] warning: unused variable: `other`
Dec 14 06:41:03.417 INFO [stderr]    --> src/encoder.rs:105:7
Dec 14 06:41:03.417 INFO [stderr]     |
Dec 14 06:41:03.417 INFO [stderr] 105 |       other => return self.write_unknown_object(type_name_ref, &term)
Dec 14 06:41:03.417 INFO [stderr]     |       ^^^^^ help: consider using `_other` instead
Dec 14 06:41:03.417 INFO [stderr] 
Dec 14 06:41:03.419 INFO [stderr] warning: unused variable: `name`
Dec 14 06:41:03.419 INFO [stderr]    --> src/encoder.rs:114:38
Dec 14 06:41:03.419 INFO [stderr]     |
Dec 14 06:41:03.419 INFO [stderr] 114 |   fn write_unknown_object(&mut self, name: &str, py_term: &PyObject) -> CodecResult<()> {
Dec 14 06:41:03.419 INFO [stderr]     |                                      ^^^^ help: consider using `_name` instead
Dec 14 06:41:03.419 INFO [stderr] 
Dec 14 06:41:03.464 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:41:03.464 INFO [stderr]    --> src/decoder.rs:413:9
Dec 14 06:41:03.464 INFO [stderr]     |
Dec 14 06:41:03.464 INFO [stderr] 413 |     let mut result = PyDict::new(self.py);
Dec 14 06:41:03.464 INFO [stderr]     |         ----^^^^^^
Dec 14 06:41:03.464 INFO [stderr]     |         |
Dec 14 06:41:03.464 INFO [stderr]     |         help: remove this `mut`
Dec 14 06:41:03.464 INFO [stderr]     |
Dec 14 06:41:03.464 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 06:41:03.464 INFO [stderr] 
Dec 14 06:41:03.584 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.584 INFO [stderr]    --> src/decoder.rs:421:7
Dec 14 06:41:03.584 INFO [stderr]     |
Dec 14 06:41:03.584 INFO [stderr] 421 |       result.set_item(self.py, py_key, py_val);
Dec 14 06:41:03.584 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.584 INFO [stderr]     |
Dec 14 06:41:03.584 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 06:41:03.584 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.590 INFO [stderr] 
Dec 14 06:41:03.591 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.591 INFO [stderr]   --> src/encoder.rs:64:9
Dec 14 06:41:03.591 INFO [stderr]    |
Dec 14 06:41:03.591 INFO [stderr] 64 |         self.write_list_no_tail(&as_list);
Dec 14 06:41:03.591 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.591 INFO [stderr]    |
Dec 14 06:41:03.591 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.591 INFO [stderr] 
Dec 14 06:41:03.591 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.591 INFO [stderr]   --> src/encoder.rs:70:9
Dec 14 06:41:03.591 INFO [stderr]    |
Dec 14 06:41:03.591 INFO [stderr] 70 |         self.write_tuple(&as_tup);
Dec 14 06:41:03.591 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.591 INFO [stderr]    |
Dec 14 06:41:03.591 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.591 INFO [stderr] 
Dec 14 06:41:03.591 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.591 INFO [stderr]   --> src/encoder.rs:75:9
Dec 14 06:41:03.591 INFO [stderr]    |
Dec 14 06:41:03.591 INFO [stderr] 75 |         self.write_dict(&as_dict);
Dec 14 06:41:03.591 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.591 INFO [stderr]    |
Dec 14 06:41:03.591 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.591 INFO [stderr] 
Dec 14 06:41:03.591 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.591 INFO [stderr]   --> src/encoder.rs:94:9
Dec 14 06:41:03.591 INFO [stderr]    |
Dec 14 06:41:03.591 INFO [stderr] 94 |         self.write_list_no_tail(&elements);
Dec 14 06:41:03.591 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.591 INFO [stderr]    |
Dec 14 06:41:03.591 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.591 INFO [stderr] 
Dec 14 06:41:03.591 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.591 INFO [stderr]    --> src/encoder.rs:154:5
Dec 14 06:41:03.591 INFO [stderr]     |
Dec 14 06:41:03.591 INFO [stderr] 154 |     self.data.write_u32::<BigEndian>(size as u32);
Dec 14 06:41:03.591 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.591 INFO [stderr]     |
Dec 14 06:41:03.591 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.591 INFO [stderr] 
Dec 14 06:41:03.591 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.591 INFO [stderr]    --> src/encoder.rs:158:7
Dec 14 06:41:03.591 INFO [stderr]     |
Dec 14 06:41:03.591 INFO [stderr] 158 |       self.encode(&item);
Dec 14 06:41:03.591 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.591 INFO [stderr]     |
Dec 14 06:41:03.591 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.591 INFO [stderr] 
Dec 14 06:41:03.591 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.591 INFO [stderr]    --> src/encoder.rs:172:7
Dec 14 06:41:03.591 INFO [stderr]     |
Dec 14 06:41:03.591 INFO [stderr] 172 |       self.data.write_u32::<BigEndian>(size as u32);
Dec 14 06:41:03.591 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.591 INFO [stderr]     |
Dec 14 06:41:03.591 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.591 INFO [stderr] 
Dec 14 06:41:03.591 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.591 INFO [stderr]    --> src/encoder.rs:177:7
Dec 14 06:41:03.591 INFO [stderr]     |
Dec 14 06:41:03.591 INFO [stderr] 177 |       self.encode(&item);
Dec 14 06:41:03.591 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.591 INFO [stderr]     |
Dec 14 06:41:03.591 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.591 INFO [stderr] 
Dec 14 06:41:03.591 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.591 INFO [stderr]    --> src/encoder.rs:188:5
Dec 14 06:41:03.591 INFO [stderr]     |
Dec 14 06:41:03.591 INFO [stderr] 188 |     self.data.write_u32::<BigEndian>(size as u32);
Dec 14 06:41:03.591 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.591 INFO [stderr]     |
Dec 14 06:41:03.591 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.591 INFO [stderr] 
Dec 14 06:41:03.591 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.591 INFO [stderr]    --> src/encoder.rs:191:7
Dec 14 06:41:03.591 INFO [stderr]     |
Dec 14 06:41:03.591 INFO [stderr] 191 |       self.encode(&py_key);
Dec 14 06:41:03.591 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.591 INFO [stderr]     |
Dec 14 06:41:03.591 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.591 INFO [stderr] 
Dec 14 06:41:03.591 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.591 INFO [stderr]    --> src/encoder.rs:192:7
Dec 14 06:41:03.591 INFO [stderr]     |
Dec 14 06:41:03.591 INFO [stderr] 192 |       self.encode(&py_value);
Dec 14 06:41:03.591 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.591 INFO [stderr]     |
Dec 14 06:41:03.592 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.592 INFO [stderr] 
Dec 14 06:41:03.592 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.592 INFO [stderr]    --> src/encoder.rs:206:7
Dec 14 06:41:03.592 INFO [stderr]     |
Dec 14 06:41:03.592 INFO [stderr] 206 |       self.data.write_i32::<BigEndian>(val as i32);
Dec 14 06:41:03.592 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.592 INFO [stderr]     |
Dec 14 06:41:03.592 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.592 INFO [stderr] 
Dec 14 06:41:03.592 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.592 INFO [stderr]    --> src/encoder.rs:218:5
Dec 14 06:41:03.592 INFO [stderr]     |
Dec 14 06:41:03.592 INFO [stderr] 218 |     self.data.write_f64::<BigEndian>(val);
Dec 14 06:41:03.592 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.592 INFO [stderr]     |
Dec 14 06:41:03.592 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.592 INFO [stderr] 
Dec 14 06:41:03.592 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.592 INFO [stderr]    --> src/encoder.rs:241:7
Dec 14 06:41:03.592 INFO [stderr]     |
Dec 14 06:41:03.592 INFO [stderr] 241 |       self.data.write(byte_array); // write &[u8] string content
Dec 14 06:41:03.592 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.592 INFO [stderr]     |
Dec 14 06:41:03.592 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.592 INFO [stderr] 
Dec 14 06:41:03.592 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.592 INFO [stderr]    --> src/encoder.rs:244:7
Dec 14 06:41:03.592 INFO [stderr]     |
Dec 14 06:41:03.592 INFO [stderr] 244 |       self.data.write_u16::<BigEndian>(str_byte_length as u16); // 16bit length
Dec 14 06:41:03.592 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.592 INFO [stderr]     |
Dec 14 06:41:03.592 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.592 INFO [stderr] 
Dec 14 06:41:03.592 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.592 INFO [stderr]    --> src/encoder.rs:245:7
Dec 14 06:41:03.592 INFO [stderr]     |
Dec 14 06:41:03.592 INFO [stderr] 245 |       self.data.write(byte_array); // write &[u8] string content
Dec 14 06:41:03.592 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.592 INFO [stderr]     |
Dec 14 06:41:03.592 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.592 INFO [stderr] 
Dec 14 06:41:03.592 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.592 INFO [stderr]    --> src/encoder.rs:265:7
Dec 14 06:41:03.592 INFO [stderr]     |
Dec 14 06:41:03.592 INFO [stderr] 265 |       self.data.write_u16::<BigEndian>(str_byte_length as u16); // 16bit length
Dec 14 06:41:03.592 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.592 INFO [stderr]     |
Dec 14 06:41:03.592 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.592 INFO [stderr] 
Dec 14 06:41:03.592 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.592 INFO [stderr]    --> src/encoder.rs:266:7
Dec 14 06:41:03.592 INFO [stderr]     |
Dec 14 06:41:03.592 INFO [stderr] 266 |       self.data.write(byte_array); // write &[u8] string content
Dec 14 06:41:03.592 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.592 INFO [stderr]     |
Dec 14 06:41:03.592 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.592 INFO [stderr] 
Dec 14 06:41:03.593 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.593 INFO [stderr]    --> src/encoder.rs:271:7
Dec 14 06:41:03.593 INFO [stderr]     |
Dec 14 06:41:03.593 INFO [stderr] 271 |       self.data.write_u32::<BigEndian>(chars_count as u32); // chars, not bytes!
Dec 14 06:41:03.593 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.593 INFO [stderr]     |
Dec 14 06:41:03.593 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.593 INFO [stderr] 
Dec 14 06:41:03.593 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.593 INFO [stderr]    --> src/encoder.rs:299:5
Dec 14 06:41:03.593 INFO [stderr]     |
Dec 14 06:41:03.593 INFO [stderr] 299 |     self.write_atom_from_cow(node_name.to_string(self.py)?);
Dec 14 06:41:03.593 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.593 INFO [stderr]     |
Dec 14 06:41:03.593 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.594 INFO [stderr] 
Dec 14 06:41:03.594 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.594 INFO [stderr]    --> src/encoder.rs:300:5
Dec 14 06:41:03.594 INFO [stderr]     |
Dec 14 06:41:03.594 INFO [stderr] 300 |     self.data.write_u32::<BigEndian>(id);
Dec 14 06:41:03.594 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.594 INFO [stderr]     |
Dec 14 06:41:03.594 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.594 INFO [stderr] 
Dec 14 06:41:03.594 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.594 INFO [stderr]    --> src/encoder.rs:301:5
Dec 14 06:41:03.594 INFO [stderr]     |
Dec 14 06:41:03.594 INFO [stderr] 301 |     self.data.write_u32::<BigEndian>(serial);
Dec 14 06:41:03.594 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.594 INFO [stderr]     |
Dec 14 06:41:03.594 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.594 INFO [stderr] 
Dec 14 06:41:03.594 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.594 INFO [stderr]    --> src/encoder.rs:324:5
Dec 14 06:41:03.594 INFO [stderr]     |
Dec 14 06:41:03.594 INFO [stderr] 324 |     self.data.write_u16::<BigEndian>((id.len() / 4) as u16);
Dec 14 06:41:03.594 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.594 INFO [stderr]     |
Dec 14 06:41:03.594 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.594 INFO [stderr] 
Dec 14 06:41:03.594 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.594 INFO [stderr]    --> src/encoder.rs:325:5
Dec 14 06:41:03.594 INFO [stderr]     |
Dec 14 06:41:03.594 INFO [stderr] 325 |     self.write_atom_from_cow(node_name.to_string(self.py)?);
Dec 14 06:41:03.594 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.594 INFO [stderr]     |
Dec 14 06:41:03.594 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.598 INFO [stderr] 
Dec 14 06:41:03.598 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.599 INFO [stderr]    --> src/encoder.rs:327:5
Dec 14 06:41:03.599 INFO [stderr]     |
Dec 14 06:41:03.599 INFO [stderr] 327 |     self.data.write(id);
Dec 14 06:41:03.599 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.599 INFO [stderr]     |
Dec 14 06:41:03.599 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.599 INFO [stderr] 
Dec 14 06:41:03.602 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.602 INFO [stderr]    --> src/encoder.rs:338:5
Dec 14 06:41:03.602 INFO [stderr]     |
Dec 14 06:41:03.603 INFO [stderr] 338 |     self.data.write_u32::<BigEndian>(data.len() as u32);
Dec 14 06:41:03.603 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.603 INFO [stderr]     |
Dec 14 06:41:03.603 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.603 INFO [stderr] 
Dec 14 06:41:03.603 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.603 INFO [stderr]    --> src/encoder.rs:339:5
Dec 14 06:41:03.603 INFO [stderr]     |
Dec 14 06:41:03.603 INFO [stderr] 339 |     self.data.write(data);
Dec 14 06:41:03.603 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.603 INFO [stderr]     |
Dec 14 06:41:03.603 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.603 INFO [stderr] 
Dec 14 06:41:03.603 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.603 INFO [stderr]    --> src/encoder.rs:356:5
Dec 14 06:41:03.603 INFO [stderr]     |
Dec 14 06:41:03.603 INFO [stderr] 356 |     self.data.write_u32::<BigEndian>(data.len() as u32);
Dec 14 06:41:03.603 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.603 INFO [stderr]     |
Dec 14 06:41:03.603 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.603 INFO [stderr] 
Dec 14 06:41:03.603 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.603 INFO [stderr]    --> src/encoder.rs:358:5
Dec 14 06:41:03.603 INFO [stderr]     |
Dec 14 06:41:03.603 INFO [stderr] 358 |     self.data.write(data);
Dec 14 06:41:03.603 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.603 INFO [stderr]     |
Dec 14 06:41:03.603 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.603 INFO [stderr] 
Dec 14 06:41:05.518 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.90s
Dec 14 06:41:05.527 INFO [stderr] su: No module specific data is present
Dec 14 06:41:06.247 INFO running `"docker" "inspect" "e30407187c0e381932c2749860aa564cd8e730d83c8b12e5f106ce423633da4e"`
Dec 14 06:41:06.500 INFO running `"docker" "rm" "-f" "e30407187c0e381932c2749860aa564cd8e730d83c8b12e5f106ce423633da4e"`
Dec 14 06:41:06.802 INFO [stdout] e30407187c0e381932c2749860aa564cd8e730d83c8b12e5f106ce423633da4e
Dec 14 06:41:06.803 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 14 06:41:07.299 INFO [stdout] 9d18c1aa6a0de9e65b183913e9c460a7754f927d26f6d7e56b17896758b0c00b
Dec 14 06:41:07.401 INFO running `"docker" "start" "-a" "9d18c1aa6a0de9e65b183913e9c460a7754f927d26f6d7e56b17896758b0c00b"`
Dec 14 06:41:08.939 INFO [stderr] usermod: no changes
Dec 14 06:41:09.099 INFO [stderr]    Compiling native_codec_impl v0.1.0 (/source)
Dec 14 06:41:11.107 INFO [stderr] warning: unused variable: `size`
Dec 14 06:41:11.107 INFO [stderr]    --> src/decoder.rs:493:9
Dec 14 06:41:11.107 INFO [stderr]     |
Dec 14 06:41:11.107 INFO [stderr] 493 |     let size = in_bytes.read_with::<u32>(offset, byte::BE)?;
Dec 14 06:41:11.107 INFO [stderr]     |         ^^^^ help: consider using `_size` instead
Dec 14 06:41:11.107 INFO [stderr]     |
Dec 14 06:41:11.107 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 06:41:11.107 INFO [stderr] 
Dec 14 06:41:11.107 INFO [stderr] warning: unused variable: `other`
Dec 14 06:41:11.107 INFO [stderr]    --> src/encoder.rs:105:7
Dec 14 06:41:11.107 INFO [stderr]     |
Dec 14 06:41:11.107 INFO [stderr] 105 |       other => return self.write_unknown_object(type_name_ref, &term)
Dec 14 06:41:11.107 INFO [stderr]     |       ^^^^^ help: consider using `_other` instead
Dec 14 06:41:11.107 INFO [stderr] 
Dec 14 06:41:11.107 INFO [stderr] warning: unused variable: `name`
Dec 14 06:41:11.107 INFO [stderr]    --> src/encoder.rs:114:38
Dec 14 06:41:11.107 INFO [stderr]     |
Dec 14 06:41:11.107 INFO [stderr] 114 |   fn write_unknown_object(&mut self, name: &str, py_term: &PyObject) -> CodecResult<()> {
Dec 14 06:41:11.107 INFO [stderr]     |                                      ^^^^ help: consider using `_name` instead
Dec 14 06:41:11.107 INFO [stderr] 
Dec 14 06:41:11.156 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:41:11.156 INFO [stderr]    --> src/decoder.rs:413:9
Dec 14 06:41:11.156 INFO [stderr]     |
Dec 14 06:41:11.156 INFO [stderr] 413 |     let mut result = PyDict::new(self.py);
Dec 14 06:41:11.156 INFO [stderr]     |         ----^^^^^^
Dec 14 06:41:11.156 INFO [stderr]     |         |
Dec 14 06:41:11.156 INFO [stderr]     |         help: remove this `mut`
Dec 14 06:41:11.156 INFO [stderr]     |
Dec 14 06:41:11.156 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 06:41:11.156 INFO [stderr] 
Dec 14 06:41:11.266 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.266 INFO [stderr]    --> src/decoder.rs:421:7
Dec 14 06:41:11.266 INFO [stderr]     |
Dec 14 06:41:11.266 INFO [stderr] 421 |       result.set_item(self.py, py_key, py_val);
Dec 14 06:41:11.266 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.266 INFO [stderr]     |
Dec 14 06:41:11.266 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 06:41:11.266 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.266 INFO [stderr] 
Dec 14 06:41:11.267 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.267 INFO [stderr]   --> src/encoder.rs:64:9
Dec 14 06:41:11.267 INFO [stderr]    |
Dec 14 06:41:11.267 INFO [stderr] 64 |         self.write_list_no_tail(&as_list);
Dec 14 06:41:11.267 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.267 INFO [stderr]    |
Dec 14 06:41:11.267 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.267 INFO [stderr] 
Dec 14 06:41:11.270 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.270 INFO [stderr]   --> src/encoder.rs:70:9
Dec 14 06:41:11.271 INFO [stderr]    |
Dec 14 06:41:11.271 INFO [stderr] 70 |         self.write_tuple(&as_tup);
Dec 14 06:41:11.271 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.271 INFO [stderr]    |
Dec 14 06:41:11.271 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.271 INFO [stderr] 
Dec 14 06:41:11.271 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.271 INFO [stderr]   --> src/encoder.rs:75:9
Dec 14 06:41:11.271 INFO [stderr]    |
Dec 14 06:41:11.271 INFO [stderr] 75 |         self.write_dict(&as_dict);
Dec 14 06:41:11.271 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.271 INFO [stderr]    |
Dec 14 06:41:11.271 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.271 INFO [stderr] 
Dec 14 06:41:11.271 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.271 INFO [stderr]   --> src/encoder.rs:94:9
Dec 14 06:41:11.271 INFO [stderr]    |
Dec 14 06:41:11.271 INFO [stderr] 94 |         self.write_list_no_tail(&elements);
Dec 14 06:41:11.271 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.271 INFO [stderr]    |
Dec 14 06:41:11.271 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.271 INFO [stderr] 
Dec 14 06:41:11.274 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.274 INFO [stderr]    --> src/encoder.rs:154:5
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr] 154 |     self.data.write_u32::<BigEndian>(size as u32);
Dec 14 06:41:11.275 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.275 INFO [stderr] 
Dec 14 06:41:11.275 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.275 INFO [stderr]    --> src/encoder.rs:158:7
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr] 158 |       self.encode(&item);
Dec 14 06:41:11.275 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.275 INFO [stderr] 
Dec 14 06:41:11.275 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.275 INFO [stderr]    --> src/encoder.rs:172:7
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr] 172 |       self.data.write_u32::<BigEndian>(size as u32);
Dec 14 06:41:11.275 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.275 INFO [stderr] 
Dec 14 06:41:11.275 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.275 INFO [stderr]    --> src/encoder.rs:177:7
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr] 177 |       self.encode(&item);
Dec 14 06:41:11.275 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.275 INFO [stderr] 
Dec 14 06:41:11.275 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.275 INFO [stderr]    --> src/encoder.rs:188:5
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr] 188 |     self.data.write_u32::<BigEndian>(size as u32);
Dec 14 06:41:11.275 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.275 INFO [stderr] 
Dec 14 06:41:11.275 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.275 INFO [stderr]    --> src/encoder.rs:191:7
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr] 191 |       self.encode(&py_key);
Dec 14 06:41:11.275 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.275 INFO [stderr] 
Dec 14 06:41:11.275 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.275 INFO [stderr]    --> src/encoder.rs:192:7
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr] 192 |       self.encode(&py_value);
Dec 14 06:41:11.275 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.275 INFO [stderr] 
Dec 14 06:41:11.275 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.275 INFO [stderr]    --> src/encoder.rs:206:7
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr] 206 |       self.data.write_i32::<BigEndian>(val as i32);
Dec 14 06:41:11.275 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.275 INFO [stderr] 
Dec 14 06:41:11.275 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.275 INFO [stderr]    --> src/encoder.rs:218:5
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr] 218 |     self.data.write_f64::<BigEndian>(val);
Dec 14 06:41:11.275 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.275 INFO [stderr]     |
Dec 14 06:41:11.275 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.276 INFO [stderr] 
Dec 14 06:41:11.276 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.276 INFO [stderr]    --> src/encoder.rs:241:7
Dec 14 06:41:11.276 INFO [stderr]     |
Dec 14 06:41:11.276 INFO [stderr] 241 |       self.data.write(byte_array); // write &[u8] string content
Dec 14 06:41:11.276 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.276 INFO [stderr]     |
Dec 14 06:41:11.276 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.276 INFO [stderr] 
Dec 14 06:41:11.277 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.277 INFO [stderr]    --> src/encoder.rs:244:7
Dec 14 06:41:11.278 INFO [stderr]     |
Dec 14 06:41:11.278 INFO [stderr] 244 |       self.data.write_u16::<BigEndian>(str_byte_length as u16); // 16bit length
Dec 14 06:41:11.278 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.279 INFO [stderr]     |
Dec 14 06:41:11.279 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.279 INFO [stderr] 
Dec 14 06:41:11.279 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.279 INFO [stderr]    --> src/encoder.rs:245:7
Dec 14 06:41:11.279 INFO [stderr]     |
Dec 14 06:41:11.279 INFO [stderr] 245 |       self.data.write(byte_array); // write &[u8] string content
Dec 14 06:41:11.279 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.279 INFO [stderr]     |
Dec 14 06:41:11.279 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.279 INFO [stderr] 
Dec 14 06:41:11.279 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.279 INFO [stderr]    --> src/encoder.rs:265:7
Dec 14 06:41:11.279 INFO [stderr]     |
Dec 14 06:41:11.279 INFO [stderr] 265 |       self.data.write_u16::<BigEndian>(str_byte_length as u16); // 16bit length
Dec 14 06:41:11.279 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.279 INFO [stderr]     |
Dec 14 06:41:11.279 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.279 INFO [stderr] 
Dec 14 06:41:11.279 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.279 INFO [stderr]    --> src/encoder.rs:266:7
Dec 14 06:41:11.279 INFO [stderr]     |
Dec 14 06:41:11.279 INFO [stderr] 266 |       self.data.write(byte_array); // write &[u8] string content
Dec 14 06:41:11.279 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.279 INFO [stderr]     |
Dec 14 06:41:11.279 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.279 INFO [stderr] 
Dec 14 06:41:11.279 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.279 INFO [stderr]    --> src/encoder.rs:271:7
Dec 14 06:41:11.279 INFO [stderr]     |
Dec 14 06:41:11.279 INFO [stderr] 271 |       self.data.write_u32::<BigEndian>(chars_count as u32); // chars, not bytes!
Dec 14 06:41:11.279 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.279 INFO [stderr]     |
Dec 14 06:41:11.282 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.282 INFO [stderr] 
Dec 14 06:41:11.283 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.283 INFO [stderr]    --> src/encoder.rs:299:5
Dec 14 06:41:11.283 INFO [stderr]     |
Dec 14 06:41:11.283 INFO [stderr] 299 |     self.write_atom_from_cow(node_name.to_string(self.py)?);
Dec 14 06:41:11.283 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.283 INFO [stderr]     |
Dec 14 06:41:11.283 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.283 INFO [stderr] 
Dec 14 06:41:11.283 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.283 INFO [stderr]    --> src/encoder.rs:300:5
Dec 14 06:41:11.283 INFO [stderr]     |
Dec 14 06:41:11.283 INFO [stderr] 300 |     self.data.write_u32::<BigEndian>(id);
Dec 14 06:41:11.283 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.283 INFO [stderr]     |
Dec 14 06:41:11.283 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.283 INFO [stderr] 
Dec 14 06:41:11.283 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.283 INFO [stderr]    --> src/encoder.rs:301:5
Dec 14 06:41:11.283 INFO [stderr]     |
Dec 14 06:41:11.283 INFO [stderr] 301 |     self.data.write_u32::<BigEndian>(serial);
Dec 14 06:41:11.283 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.283 INFO [stderr]     |
Dec 14 06:41:11.283 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.283 INFO [stderr] 
Dec 14 06:41:11.283 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.283 INFO [stderr]    --> src/encoder.rs:324:5
Dec 14 06:41:11.283 INFO [stderr]     |
Dec 14 06:41:11.283 INFO [stderr] 324 |     self.data.write_u16::<BigEndian>((id.len() / 4) as u16);
Dec 14 06:41:11.283 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.283 INFO [stderr]     |
Dec 14 06:41:11.283 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.283 INFO [stderr] 
Dec 14 06:41:11.283 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.283 INFO [stderr]    --> src/encoder.rs:325:5
Dec 14 06:41:11.283 INFO [stderr]     |
Dec 14 06:41:11.283 INFO [stderr] 325 |     self.write_atom_from_cow(node_name.to_string(self.py)?);
Dec 14 06:41:11.283 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.283 INFO [stderr]     |
Dec 14 06:41:11.283 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.283 INFO [stderr] 
Dec 14 06:41:11.283 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.283 INFO [stderr]    --> src/encoder.rs:327:5
Dec 14 06:41:11.283 INFO [stderr]     |
Dec 14 06:41:11.283 INFO [stderr] 327 |     self.data.write(id);
Dec 14 06:41:11.283 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.283 INFO [stderr]     |
Dec 14 06:41:11.286 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.286 INFO [stderr] 
Dec 14 06:41:11.287 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.287 INFO [stderr]    --> src/encoder.rs:338:5
Dec 14 06:41:11.287 INFO [stderr]     |
Dec 14 06:41:11.287 INFO [stderr] 338 |     self.data.write_u32::<BigEndian>(data.len() as u32);
Dec 14 06:41:11.287 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.287 INFO [stderr]     |
Dec 14 06:41:11.287 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.287 INFO [stderr] 
Dec 14 06:41:11.287 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.287 INFO [stderr]    --> src/encoder.rs:339:5
Dec 14 06:41:11.287 INFO [stderr]     |
Dec 14 06:41:11.287 INFO [stderr] 339 |     self.data.write(data);
Dec 14 06:41:11.287 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.287 INFO [stderr]     |
Dec 14 06:41:11.287 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.287 INFO [stderr] 
Dec 14 06:41:11.287 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.287 INFO [stderr]    --> src/encoder.rs:356:5
Dec 14 06:41:11.287 INFO [stderr]     |
Dec 14 06:41:11.287 INFO [stderr] 356 |     self.data.write_u32::<BigEndian>(data.len() as u32);
Dec 14 06:41:11.287 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.287 INFO [stderr]     |
Dec 14 06:41:11.287 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.287 INFO [stderr] 
Dec 14 06:41:11.287 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.287 INFO [stderr]    --> src/encoder.rs:358:5
Dec 14 06:41:11.287 INFO [stderr]     |
Dec 14 06:41:11.287 INFO [stderr] 358 |     self.data.write(data);
Dec 14 06:41:11.287 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.287 INFO [stderr]     |
Dec 14 06:41:11.287 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.287 INFO [stderr] 
Dec 14 06:41:12.992 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.02s
Dec 14 06:41:12.999 INFO [stderr] su: No module specific data is present
Dec 14 06:41:14.149 INFO running `"docker" "inspect" "9d18c1aa6a0de9e65b183913e9c460a7754f927d26f6d7e56b17896758b0c00b"`
Dec 14 06:41:14.595 INFO running `"docker" "rm" "-f" "9d18c1aa6a0de9e65b183913e9c460a7754f927d26f6d7e56b17896758b0c00b"`
Dec 14 06:41:15.031 INFO [stdout] 9d18c1aa6a0de9e65b183913e9c460a7754f927d26f6d7e56b17896758b0c00b
Dec 14 06:41:15.039 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 14 06:41:15.519 INFO [stdout] 07f21134ac432bf3072eab0fc5553058ab900704e4fe80d1e59dfeeec26c218b
Dec 14 06:41:15.523 INFO running `"docker" "start" "-a" "07f21134ac432bf3072eab0fc5553058ab900704e4fe80d1e59dfeeec26c218b"`
Dec 14 06:41:17.031 INFO [stderr] usermod: no changes
Dec 14 06:41:17.195 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
Dec 14 06:41:17.195 INFO [stderr]      Running /target/debug/deps/native_codec_impl-c1ebbc88cdec74ee
Dec 14 06:41:17.196 INFO [stdout] 
Dec 14 06:41:17.196 INFO [stdout] running 0 tests
Dec 14 06:41:17.196 INFO [stdout] 
Dec 14 06:41:17.196 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 06:41:17.196 INFO [stdout] 
Dec 14 06:41:17.201 INFO [stderr] su: No module specific data is present
Dec 14 06:41:18.251 INFO running `"docker" "inspect" "07f21134ac432bf3072eab0fc5553058ab900704e4fe80d1e59dfeeec26c218b"`
Dec 14 06:41:18.607 INFO running `"docker" "rm" "-f" "07f21134ac432bf3072eab0fc5553058ab900704e4fe80d1e59dfeeec26c218b"`
Dec 14 06:41:18.963 INFO [stdout] 07f21134ac432bf3072eab0fc5553058ab900704e4fe80d1e59dfeeec26c218b