Dec 14 06:40:52.262 INFO testing Pyrlang/Term against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 06:40:52.263 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 06:40:52.687 INFO [stdout] 3ba0faac552f6425cd7d1a02cb16ec5fddd28fdefa38acb4dbd3480ed43f82d0
Dec 14 06:40:52.692 INFO running `"docker" "start" "-a" "3ba0faac552f6425cd7d1a02cb16ec5fddd28fdefa38acb4dbd3480ed43f82d0"`
Dec 14 06:40:53.795 INFO [stderr] usermod: no changes
Dec 14 06:40:54.007 INFO [stderr]    Compiling cpython v0.2.0
Dec 14 06:40:54.007 INFO [stderr]    Compiling byte v0.2.3
Dec 14 06:40:54.021 INFO [stderr]    Compiling empty v0.0.4
Dec 14 06:40:54.023 INFO [stderr]    Compiling python3-sys v0.2.0
Dec 14 06:40:54.023 INFO [stderr]    Compiling compress v0.1.2
Dec 14 06:41:01.080 INFO [stderr]    Compiling native_codec_impl v0.1.0 (/source)
Dec 14 06:41:03.462 INFO [stderr] warning: unused variable: `size`
Dec 14 06:41:03.462 INFO [stderr]    --> src/decoder.rs:493:9
Dec 14 06:41:03.462 INFO [stderr]     |
Dec 14 06:41:03.462 INFO [stderr] 493 |     let size = in_bytes.read_with::<u32>(offset, byte::BE)?;
Dec 14 06:41:03.462 INFO [stderr]     |         ^^^^ help: consider using `_size` instead
Dec 14 06:41:03.463 INFO [stderr]     |
Dec 14 06:41:03.463 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 06:41:03.463 INFO [stderr] 
Dec 14 06:41:03.463 INFO [stderr] warning: unused variable: `other`
Dec 14 06:41:03.463 INFO [stderr]    --> src/encoder.rs:105:7
Dec 14 06:41:03.463 INFO [stderr]     |
Dec 14 06:41:03.463 INFO [stderr] 105 |       other => return self.write_unknown_object(type_name_ref, &term)
Dec 14 06:41:03.463 INFO [stderr]     |       ^^^^^ help: consider using `_other` instead
Dec 14 06:41:03.463 INFO [stderr] 
Dec 14 06:41:03.464 INFO [stderr] warning: unused variable: `name`
Dec 14 06:41:03.464 INFO [stderr]    --> src/encoder.rs:114:38
Dec 14 06:41:03.464 INFO [stderr]     |
Dec 14 06:41:03.464 INFO [stderr] 114 |   fn write_unknown_object(&mut self, name: &str, py_term: &PyObject) -> CodecResult<()> {
Dec 14 06:41:03.464 INFO [stderr]     |                                      ^^^^ help: consider using `_name` instead
Dec 14 06:41:03.464 INFO [stderr] 
Dec 14 06:41:03.508 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:41:03.508 INFO [stderr]    --> src/decoder.rs:413:9
Dec 14 06:41:03.508 INFO [stderr]     |
Dec 14 06:41:03.508 INFO [stderr] 413 |     let mut result = PyDict::new(self.py);
Dec 14 06:41:03.508 INFO [stderr]     |         ----^^^^^^
Dec 14 06:41:03.508 INFO [stderr]     |         |
Dec 14 06:41:03.508 INFO [stderr]     |         help: remove this `mut`
Dec 14 06:41:03.508 INFO [stderr]     |
Dec 14 06:41:03.508 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 06:41:03.508 INFO [stderr] 
Dec 14 06:41:03.627 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.627 INFO [stderr]    --> src/decoder.rs:421:7
Dec 14 06:41:03.627 INFO [stderr]     |
Dec 14 06:41:03.627 INFO [stderr] 421 |       result.set_item(self.py, py_key, py_val);
Dec 14 06:41:03.627 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.627 INFO [stderr]     |
Dec 14 06:41:03.627 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 06:41:03.627 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.627 INFO [stderr] 
Dec 14 06:41:03.627 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.627 INFO [stderr]   --> src/encoder.rs:64:9
Dec 14 06:41:03.627 INFO [stderr]    |
Dec 14 06:41:03.627 INFO [stderr] 64 |         self.write_list_no_tail(&as_list);
Dec 14 06:41:03.627 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.627 INFO [stderr]    |
Dec 14 06:41:03.627 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.627 INFO [stderr] 
Dec 14 06:41:03.627 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.627 INFO [stderr]   --> src/encoder.rs:70:9
Dec 14 06:41:03.627 INFO [stderr]    |
Dec 14 06:41:03.627 INFO [stderr] 70 |         self.write_tuple(&as_tup);
Dec 14 06:41:03.627 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.627 INFO [stderr]    |
Dec 14 06:41:03.627 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.627 INFO [stderr] 
Dec 14 06:41:03.627 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.627 INFO [stderr]   --> src/encoder.rs:75:9
Dec 14 06:41:03.627 INFO [stderr]    |
Dec 14 06:41:03.627 INFO [stderr] 75 |         self.write_dict(&as_dict);
Dec 14 06:41:03.627 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.627 INFO [stderr]    |
Dec 14 06:41:03.635 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.635 INFO [stderr] 
Dec 14 06:41:03.635 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.635 INFO [stderr]   --> src/encoder.rs:94:9
Dec 14 06:41:03.635 INFO [stderr]    |
Dec 14 06:41:03.635 INFO [stderr] 94 |         self.write_list_no_tail(&elements);
Dec 14 06:41:03.635 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.635 INFO [stderr]    |
Dec 14 06:41:03.635 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.635 INFO [stderr] 
Dec 14 06:41:03.635 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.635 INFO [stderr]    --> src/encoder.rs:154:5
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr] 154 |     self.data.write_u32::<BigEndian>(size as u32);
Dec 14 06:41:03.635 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.635 INFO [stderr] 
Dec 14 06:41:03.635 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.635 INFO [stderr]    --> src/encoder.rs:158:7
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr] 158 |       self.encode(&item);
Dec 14 06:41:03.635 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.635 INFO [stderr] 
Dec 14 06:41:03.635 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.635 INFO [stderr]    --> src/encoder.rs:172:7
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr] 172 |       self.data.write_u32::<BigEndian>(size as u32);
Dec 14 06:41:03.635 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.635 INFO [stderr] 
Dec 14 06:41:03.635 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.635 INFO [stderr]    --> src/encoder.rs:177:7
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr] 177 |       self.encode(&item);
Dec 14 06:41:03.635 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.635 INFO [stderr] 
Dec 14 06:41:03.635 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.635 INFO [stderr]    --> src/encoder.rs:188:5
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr] 188 |     self.data.write_u32::<BigEndian>(size as u32);
Dec 14 06:41:03.635 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.635 INFO [stderr] 
Dec 14 06:41:03.635 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.635 INFO [stderr]    --> src/encoder.rs:191:7
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr] 191 |       self.encode(&py_key);
Dec 14 06:41:03.635 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.635 INFO [stderr] 
Dec 14 06:41:03.635 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.635 INFO [stderr]    --> src/encoder.rs:192:7
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr] 192 |       self.encode(&py_value);
Dec 14 06:41:03.635 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.635 INFO [stderr] 
Dec 14 06:41:03.635 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.635 INFO [stderr]    --> src/encoder.rs:206:7
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr] 206 |       self.data.write_i32::<BigEndian>(val as i32);
Dec 14 06:41:03.635 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.635 INFO [stderr] 
Dec 14 06:41:03.635 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.635 INFO [stderr]    --> src/encoder.rs:218:5
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr] 218 |     self.data.write_f64::<BigEndian>(val);
Dec 14 06:41:03.635 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.635 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.635 INFO [stderr] 
Dec 14 06:41:03.635 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.635 INFO [stderr]    --> src/encoder.rs:241:7
Dec 14 06:41:03.635 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr] 241 |       self.data.write(byte_array); // write &[u8] string content
Dec 14 06:41:03.636 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.636 INFO [stderr] 
Dec 14 06:41:03.636 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.636 INFO [stderr]    --> src/encoder.rs:244:7
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr] 244 |       self.data.write_u16::<BigEndian>(str_byte_length as u16); // 16bit length
Dec 14 06:41:03.636 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.636 INFO [stderr] 
Dec 14 06:41:03.636 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.636 INFO [stderr]    --> src/encoder.rs:245:7
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr] 245 |       self.data.write(byte_array); // write &[u8] string content
Dec 14 06:41:03.636 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.636 INFO [stderr] 
Dec 14 06:41:03.636 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.636 INFO [stderr]    --> src/encoder.rs:265:7
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr] 265 |       self.data.write_u16::<BigEndian>(str_byte_length as u16); // 16bit length
Dec 14 06:41:03.636 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.636 INFO [stderr] 
Dec 14 06:41:03.636 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.636 INFO [stderr]    --> src/encoder.rs:266:7
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr] 266 |       self.data.write(byte_array); // write &[u8] string content
Dec 14 06:41:03.636 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.636 INFO [stderr] 
Dec 14 06:41:03.636 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.636 INFO [stderr]    --> src/encoder.rs:271:7
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr] 271 |       self.data.write_u32::<BigEndian>(chars_count as u32); // chars, not bytes!
Dec 14 06:41:03.636 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.636 INFO [stderr] 
Dec 14 06:41:03.636 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.636 INFO [stderr]    --> src/encoder.rs:299:5
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr] 299 |     self.write_atom_from_cow(node_name.to_string(self.py)?);
Dec 14 06:41:03.636 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.636 INFO [stderr] 
Dec 14 06:41:03.636 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.636 INFO [stderr]    --> src/encoder.rs:300:5
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr] 300 |     self.data.write_u32::<BigEndian>(id);
Dec 14 06:41:03.636 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.636 INFO [stderr] 
Dec 14 06:41:03.636 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.636 INFO [stderr]    --> src/encoder.rs:301:5
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr] 301 |     self.data.write_u32::<BigEndian>(serial);
Dec 14 06:41:03.636 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.636 INFO [stderr] 
Dec 14 06:41:03.636 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.636 INFO [stderr]    --> src/encoder.rs:324:5
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr] 324 |     self.data.write_u16::<BigEndian>((id.len() / 4) as u16);
Dec 14 06:41:03.636 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.636 INFO [stderr] 
Dec 14 06:41:03.636 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.636 INFO [stderr]    --> src/encoder.rs:325:5
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr] 325 |     self.write_atom_from_cow(node_name.to_string(self.py)?);
Dec 14 06:41:03.636 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.636 INFO [stderr]     |
Dec 14 06:41:03.636 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.636 INFO [stderr] 
Dec 14 06:41:03.636 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.636 INFO [stderr]    --> src/encoder.rs:327:5
Dec 14 06:41:03.637 INFO [stderr]     |
Dec 14 06:41:03.637 INFO [stderr] 327 |     self.data.write(id);
Dec 14 06:41:03.637 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.637 INFO [stderr]     |
Dec 14 06:41:03.637 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.637 INFO [stderr] 
Dec 14 06:41:03.637 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.637 INFO [stderr]    --> src/encoder.rs:338:5
Dec 14 06:41:03.637 INFO [stderr]     |
Dec 14 06:41:03.637 INFO [stderr] 338 |     self.data.write_u32::<BigEndian>(data.len() as u32);
Dec 14 06:41:03.637 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.637 INFO [stderr]     |
Dec 14 06:41:03.637 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.637 INFO [stderr] 
Dec 14 06:41:03.637 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.637 INFO [stderr]    --> src/encoder.rs:339:5
Dec 14 06:41:03.637 INFO [stderr]     |
Dec 14 06:41:03.637 INFO [stderr] 339 |     self.data.write(data);
Dec 14 06:41:03.637 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.637 INFO [stderr]     |
Dec 14 06:41:03.637 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.637 INFO [stderr] 
Dec 14 06:41:03.637 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.637 INFO [stderr]    --> src/encoder.rs:356:5
Dec 14 06:41:03.637 INFO [stderr]     |
Dec 14 06:41:03.637 INFO [stderr] 356 |     self.data.write_u32::<BigEndian>(data.len() as u32);
Dec 14 06:41:03.637 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.637 INFO [stderr]     |
Dec 14 06:41:03.637 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.637 INFO [stderr] 
Dec 14 06:41:03.637 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:03.637 INFO [stderr]    --> src/encoder.rs:358:5
Dec 14 06:41:03.637 INFO [stderr]     |
Dec 14 06:41:03.637 INFO [stderr] 358 |     self.data.write(data);
Dec 14 06:41:03.637 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:03.637 INFO [stderr]     |
Dec 14 06:41:03.637 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:03.637 INFO [stderr] 
Dec 14 06:41:05.532 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.69s
Dec 14 06:41:05.543 INFO [stderr] su: No module specific data is present
Dec 14 06:41:06.181 INFO running `"docker" "inspect" "3ba0faac552f6425cd7d1a02cb16ec5fddd28fdefa38acb4dbd3480ed43f82d0"`
Dec 14 06:41:06.502 INFO running `"docker" "rm" "-f" "3ba0faac552f6425cd7d1a02cb16ec5fddd28fdefa38acb4dbd3480ed43f82d0"`
Dec 14 06:41:07.059 INFO [stdout] 3ba0faac552f6425cd7d1a02cb16ec5fddd28fdefa38acb4dbd3480ed43f82d0
Dec 14 06:41:07.220 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 06:41:08.187 INFO [stdout] 8e3cff8075a4d5dd858ff53e12ae5b906aa3230d165768bd2b1983ecb309e522
Dec 14 06:41:08.187 INFO running `"docker" "start" "-a" "8e3cff8075a4d5dd858ff53e12ae5b906aa3230d165768bd2b1983ecb309e522"`
Dec 14 06:41:09.343 INFO [stderr] usermod: no changes
Dec 14 06:41:09.495 INFO [stderr]    Compiling native_codec_impl v0.1.0 (/source)
Dec 14 06:41:11.603 INFO [stderr] warning: unused variable: `size`
Dec 14 06:41:11.603 INFO [stderr]    --> src/decoder.rs:493:9
Dec 14 06:41:11.603 INFO [stderr]     |
Dec 14 06:41:11.603 INFO [stderr] 493 |     let size = in_bytes.read_with::<u32>(offset, byte::BE)?;
Dec 14 06:41:11.603 INFO [stderr]     |         ^^^^ help: consider using `_size` instead
Dec 14 06:41:11.603 INFO [stderr]     |
Dec 14 06:41:11.603 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 06:41:11.603 INFO [stderr] 
Dec 14 06:41:11.603 INFO [stderr] warning: unused variable: `other`
Dec 14 06:41:11.603 INFO [stderr]    --> src/encoder.rs:105:7
Dec 14 06:41:11.603 INFO [stderr]     |
Dec 14 06:41:11.603 INFO [stderr] 105 |       other => return self.write_unknown_object(type_name_ref, &term)
Dec 14 06:41:11.603 INFO [stderr]     |       ^^^^^ help: consider using `_other` instead
Dec 14 06:41:11.603 INFO [stderr] 
Dec 14 06:41:11.603 INFO [stderr] warning: unused variable: `name`
Dec 14 06:41:11.603 INFO [stderr]    --> src/encoder.rs:114:38
Dec 14 06:41:11.603 INFO [stderr]     |
Dec 14 06:41:11.603 INFO [stderr] 114 |   fn write_unknown_object(&mut self, name: &str, py_term: &PyObject) -> CodecResult<()> {
Dec 14 06:41:11.603 INFO [stderr]     |                                      ^^^^ help: consider using `_name` instead
Dec 14 06:41:11.603 INFO [stderr] 
Dec 14 06:41:11.631 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:41:11.631 INFO [stderr]    --> src/decoder.rs:413:9
Dec 14 06:41:11.631 INFO [stderr]     |
Dec 14 06:41:11.631 INFO [stderr] 413 |     let mut result = PyDict::new(self.py);
Dec 14 06:41:11.631 INFO [stderr]     |         ----^^^^^^
Dec 14 06:41:11.631 INFO [stderr]     |         |
Dec 14 06:41:11.631 INFO [stderr]     |         help: remove this `mut`
Dec 14 06:41:11.631 INFO [stderr]     |
Dec 14 06:41:11.631 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 06:41:11.631 INFO [stderr] 
Dec 14 06:41:11.747 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.747 INFO [stderr]    --> src/decoder.rs:421:7
Dec 14 06:41:11.747 INFO [stderr]     |
Dec 14 06:41:11.747 INFO [stderr] 421 |       result.set_item(self.py, py_key, py_val);
Dec 14 06:41:11.747 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.747 INFO [stderr]     |
Dec 14 06:41:11.747 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 06:41:11.747 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.747 INFO [stderr] 
Dec 14 06:41:11.747 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.747 INFO [stderr]   --> src/encoder.rs:64:9
Dec 14 06:41:11.747 INFO [stderr]    |
Dec 14 06:41:11.747 INFO [stderr] 64 |         self.write_list_no_tail(&as_list);
Dec 14 06:41:11.747 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.747 INFO [stderr]    |
Dec 14 06:41:11.747 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.747 INFO [stderr] 
Dec 14 06:41:11.747 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.747 INFO [stderr]   --> src/encoder.rs:70:9
Dec 14 06:41:11.747 INFO [stderr]    |
Dec 14 06:41:11.747 INFO [stderr] 70 |         self.write_tuple(&as_tup);
Dec 14 06:41:11.747 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.748 INFO [stderr]    |
Dec 14 06:41:11.748 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.748 INFO [stderr] 
Dec 14 06:41:11.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.748 INFO [stderr]   --> src/encoder.rs:75:9
Dec 14 06:41:11.748 INFO [stderr]    |
Dec 14 06:41:11.748 INFO [stderr] 75 |         self.write_dict(&as_dict);
Dec 14 06:41:11.748 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.748 INFO [stderr]    |
Dec 14 06:41:11.748 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.748 INFO [stderr] 
Dec 14 06:41:11.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.748 INFO [stderr]   --> src/encoder.rs:94:9
Dec 14 06:41:11.748 INFO [stderr]    |
Dec 14 06:41:11.748 INFO [stderr] 94 |         self.write_list_no_tail(&elements);
Dec 14 06:41:11.748 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.748 INFO [stderr]    |
Dec 14 06:41:11.748 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.748 INFO [stderr] 
Dec 14 06:41:11.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.748 INFO [stderr]    --> src/encoder.rs:154:5
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr] 154 |     self.data.write_u32::<BigEndian>(size as u32);
Dec 14 06:41:11.748 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.748 INFO [stderr] 
Dec 14 06:41:11.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.748 INFO [stderr]    --> src/encoder.rs:158:7
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr] 158 |       self.encode(&item);
Dec 14 06:41:11.748 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.748 INFO [stderr] 
Dec 14 06:41:11.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.748 INFO [stderr]    --> src/encoder.rs:172:7
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr] 172 |       self.data.write_u32::<BigEndian>(size as u32);
Dec 14 06:41:11.748 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.748 INFO [stderr] 
Dec 14 06:41:11.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.748 INFO [stderr]    --> src/encoder.rs:177:7
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr] 177 |       self.encode(&item);
Dec 14 06:41:11.748 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.748 INFO [stderr] 
Dec 14 06:41:11.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.748 INFO [stderr]    --> src/encoder.rs:188:5
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr] 188 |     self.data.write_u32::<BigEndian>(size as u32);
Dec 14 06:41:11.748 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.748 INFO [stderr] 
Dec 14 06:41:11.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.748 INFO [stderr]    --> src/encoder.rs:191:7
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr] 191 |       self.encode(&py_key);
Dec 14 06:41:11.748 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.748 INFO [stderr] 
Dec 14 06:41:11.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.748 INFO [stderr]    --> src/encoder.rs:192:7
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr] 192 |       self.encode(&py_value);
Dec 14 06:41:11.748 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.748 INFO [stderr] 
Dec 14 06:41:11.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.748 INFO [stderr]    --> src/encoder.rs:206:7
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr] 206 |       self.data.write_i32::<BigEndian>(val as i32);
Dec 14 06:41:11.748 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.748 INFO [stderr] 
Dec 14 06:41:11.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.748 INFO [stderr]    --> src/encoder.rs:218:5
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr] 218 |     self.data.write_f64::<BigEndian>(val);
Dec 14 06:41:11.748 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.748 INFO [stderr]     |
Dec 14 06:41:11.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.749 INFO [stderr] 
Dec 14 06:41:11.749 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.749 INFO [stderr]    --> src/encoder.rs:241:7
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr] 241 |       self.data.write(byte_array); // write &[u8] string content
Dec 14 06:41:11.749 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.749 INFO [stderr] 
Dec 14 06:41:11.749 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.749 INFO [stderr]    --> src/encoder.rs:244:7
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr] 244 |       self.data.write_u16::<BigEndian>(str_byte_length as u16); // 16bit length
Dec 14 06:41:11.749 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.749 INFO [stderr] 
Dec 14 06:41:11.749 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.749 INFO [stderr]    --> src/encoder.rs:245:7
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr] 245 |       self.data.write(byte_array); // write &[u8] string content
Dec 14 06:41:11.749 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.749 INFO [stderr] 
Dec 14 06:41:11.749 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.749 INFO [stderr]    --> src/encoder.rs:265:7
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr] 265 |       self.data.write_u16::<BigEndian>(str_byte_length as u16); // 16bit length
Dec 14 06:41:11.749 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.749 INFO [stderr] 
Dec 14 06:41:11.749 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.749 INFO [stderr]    --> src/encoder.rs:266:7
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr] 266 |       self.data.write(byte_array); // write &[u8] string content
Dec 14 06:41:11.749 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.749 INFO [stderr] 
Dec 14 06:41:11.749 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.749 INFO [stderr]    --> src/encoder.rs:271:7
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr] 271 |       self.data.write_u32::<BigEndian>(chars_count as u32); // chars, not bytes!
Dec 14 06:41:11.749 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.749 INFO [stderr] 
Dec 14 06:41:11.749 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.749 INFO [stderr]    --> src/encoder.rs:299:5
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr] 299 |     self.write_atom_from_cow(node_name.to_string(self.py)?);
Dec 14 06:41:11.749 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.749 INFO [stderr] 
Dec 14 06:41:11.749 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.749 INFO [stderr]    --> src/encoder.rs:300:5
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr] 300 |     self.data.write_u32::<BigEndian>(id);
Dec 14 06:41:11.749 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.749 INFO [stderr] 
Dec 14 06:41:11.749 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.749 INFO [stderr]    --> src/encoder.rs:301:5
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr] 301 |     self.data.write_u32::<BigEndian>(serial);
Dec 14 06:41:11.749 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.749 INFO [stderr]     |
Dec 14 06:41:11.749 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.749 INFO [stderr] 
Dec 14 06:41:11.755 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.755 INFO [stderr]    --> src/encoder.rs:324:5
Dec 14 06:41:11.755 INFO [stderr]     |
Dec 14 06:41:11.755 INFO [stderr] 324 |     self.data.write_u16::<BigEndian>((id.len() / 4) as u16);
Dec 14 06:41:11.755 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.755 INFO [stderr]     |
Dec 14 06:41:11.755 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.755 INFO [stderr] 
Dec 14 06:41:11.755 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.755 INFO [stderr]    --> src/encoder.rs:325:5
Dec 14 06:41:11.755 INFO [stderr]     |
Dec 14 06:41:11.755 INFO [stderr] 325 |     self.write_atom_from_cow(node_name.to_string(self.py)?);
Dec 14 06:41:11.755 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.755 INFO [stderr]     |
Dec 14 06:41:11.755 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.755 INFO [stderr] 
Dec 14 06:41:11.755 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.755 INFO [stderr]    --> src/encoder.rs:327:5
Dec 14 06:41:11.755 INFO [stderr]     |
Dec 14 06:41:11.756 INFO [stderr] 327 |     self.data.write(id);
Dec 14 06:41:11.756 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.756 INFO [stderr]     |
Dec 14 06:41:11.756 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.756 INFO [stderr] 
Dec 14 06:41:11.756 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.756 INFO [stderr]    --> src/encoder.rs:338:5
Dec 14 06:41:11.756 INFO [stderr]     |
Dec 14 06:41:11.756 INFO [stderr] 338 |     self.data.write_u32::<BigEndian>(data.len() as u32);
Dec 14 06:41:11.756 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.756 INFO [stderr]     |
Dec 14 06:41:11.756 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.756 INFO [stderr] 
Dec 14 06:41:11.756 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.756 INFO [stderr]    --> src/encoder.rs:339:5
Dec 14 06:41:11.756 INFO [stderr]     |
Dec 14 06:41:11.756 INFO [stderr] 339 |     self.data.write(data);
Dec 14 06:41:11.756 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.756 INFO [stderr]     |
Dec 14 06:41:11.756 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.756 INFO [stderr] 
Dec 14 06:41:11.756 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.756 INFO [stderr]    --> src/encoder.rs:356:5
Dec 14 06:41:11.756 INFO [stderr]     |
Dec 14 06:41:11.756 INFO [stderr] 356 |     self.data.write_u32::<BigEndian>(data.len() as u32);
Dec 14 06:41:11.756 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.756 INFO [stderr]     |
Dec 14 06:41:11.756 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.756 INFO [stderr] 
Dec 14 06:41:11.756 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 06:41:11.756 INFO [stderr]    --> src/encoder.rs:358:5
Dec 14 06:41:11.756 INFO [stderr]     |
Dec 14 06:41:11.756 INFO [stderr] 358 |     self.data.write(data);
Dec 14 06:41:11.756 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:41:11.756 INFO [stderr]     |
Dec 14 06:41:11.756 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 06:41:11.756 INFO [stderr] 
Dec 14 06:41:13.792 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.41s
Dec 14 06:41:13.799 INFO [stderr] su: No module specific data is present
Dec 14 06:41:15.200 INFO running `"docker" "inspect" "8e3cff8075a4d5dd858ff53e12ae5b906aa3230d165768bd2b1983ecb309e522"`
Dec 14 06:41:15.496 INFO running `"docker" "rm" "-f" "8e3cff8075a4d5dd858ff53e12ae5b906aa3230d165768bd2b1983ecb309e522"`
Dec 14 06:41:15.829 INFO [stdout] 8e3cff8075a4d5dd858ff53e12ae5b906aa3230d165768bd2b1983ecb309e522
Dec 14 06:41:15.833 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 06:41:16.433 INFO [stdout] 93d550b05da8c47be3fdeb7b71ff8f51188504a34b6f65710e2442d5bbd9b450
Dec 14 06:41:16.435 INFO running `"docker" "start" "-a" "93d550b05da8c47be3fdeb7b71ff8f51188504a34b6f65710e2442d5bbd9b450"`
Dec 14 06:41:18.601 INFO [stderr] usermod: no changes
Dec 14 06:41:18.728 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
Dec 14 06:41:18.739 INFO [stderr]      Running /target/debug/deps/native_codec_impl-28301476ecf73d7a
Dec 14 06:41:18.744 INFO [stdout] 
Dec 14 06:41:18.744 INFO [stdout] running 0 tests
Dec 14 06:41:18.744 INFO [stdout] 
Dec 14 06:41:18.744 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 06:41:18.744 INFO [stdout] 
Dec 14 06:41:18.749 INFO [stderr] su: No module specific data is present
Dec 14 06:41:19.420 INFO running `"docker" "inspect" "93d550b05da8c47be3fdeb7b71ff8f51188504a34b6f65710e2442d5bbd9b450"`
Dec 14 06:41:19.843 INFO running `"docker" "rm" "-f" "93d550b05da8c47be3fdeb7b71ff8f51188504a34b6f65710e2442d5bbd9b450"`
Dec 14 06:41:20.073 INFO [stdout] 93d550b05da8c47be3fdeb7b71ff8f51188504a34b6f65710e2442d5bbd9b450