Nov 17 12:29:26.164 INFO testing Pyrlang/Term against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 12:29:26.164 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 12:29:26.327 INFO [stdout] 077ef22e08f0cc9bcc51b3a3d4c8cb723bda12230da30310aca4d45d29b27a54
Nov 17 12:29:26.327 INFO running `"docker" "start" "-a" "077ef22e08f0cc9bcc51b3a3d4c8cb723bda12230da30310aca4d45d29b27a54"`
Nov 17 12:29:26.856 INFO [stderr] usermod: no changes
Nov 17 12:29:27.023 INFO [stderr]    Compiling cpython v0.2.0
Nov 17 12:29:27.023 INFO [stderr]    Compiling byte v0.2.3
Nov 17 12:29:27.035 INFO [stderr]    Compiling empty v0.0.4
Nov 17 12:29:27.035 INFO [stderr]    Compiling python3-sys v0.2.0
Nov 17 12:29:27.035 INFO [stderr]    Compiling compress v0.1.2
Nov 17 12:29:33.704 INFO [stderr]    Compiling native_codec_impl v0.1.0 (/source)
Nov 17 12:29:35.443 INFO [stderr] warning: unused variable: `size`
Nov 17 12:29:35.443 INFO [stderr]    --> src/decoder.rs:493:9
Nov 17 12:29:35.443 INFO [stderr]     |
Nov 17 12:29:35.443 INFO [stderr] 493 |     let size = in_bytes.read_with::<u32>(offset, byte::BE)?;
Nov 17 12:29:35.443 INFO [stderr]     |         ^^^^ help: consider using `_size` instead
Nov 17 12:29:35.443 INFO [stderr]     |
Nov 17 12:29:35.443 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 17 12:29:35.443 INFO [stderr] 
Nov 17 12:29:35.443 INFO [stderr] warning: unused variable: `other`
Nov 17 12:29:35.443 INFO [stderr]    --> src/encoder.rs:105:7
Nov 17 12:29:35.443 INFO [stderr]     |
Nov 17 12:29:35.443 INFO [stderr] 105 |       other => return self.write_unknown_object(type_name_ref, &term)
Nov 17 12:29:35.443 INFO [stderr]     |       ^^^^^ help: consider using `_other` instead
Nov 17 12:29:35.443 INFO [stderr] 
Nov 17 12:29:35.443 INFO [stderr] warning: unused variable: `name`
Nov 17 12:29:35.443 INFO [stderr]    --> src/encoder.rs:114:38
Nov 17 12:29:35.443 INFO [stderr]     |
Nov 17 12:29:35.443 INFO [stderr] 114 |   fn write_unknown_object(&mut self, name: &str, py_term: &PyObject) -> CodecResult<()> {
Nov 17 12:29:35.443 INFO [stderr]     |                                      ^^^^ help: consider using `_name` instead
Nov 17 12:29:35.443 INFO [stderr] 
Nov 17 12:29:35.491 INFO [stderr] warning: variable does not need to be mutable
Nov 17 12:29:35.491 INFO [stderr]    --> src/decoder.rs:413:9
Nov 17 12:29:35.491 INFO [stderr]     |
Nov 17 12:29:35.491 INFO [stderr] 413 |     let mut result = PyDict::new(self.py);
Nov 17 12:29:35.491 INFO [stderr]     |         ----^^^^^^
Nov 17 12:29:35.491 INFO [stderr]     |         |
Nov 17 12:29:35.491 INFO [stderr]     |         help: remove this `mut`
Nov 17 12:29:35.491 INFO [stderr]     |
Nov 17 12:29:35.491 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 12:29:35.491 INFO [stderr] 
Nov 17 12:29:35.604 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.604 INFO [stderr]    --> src/decoder.rs:421:7
Nov 17 12:29:35.604 INFO [stderr]     |
Nov 17 12:29:35.604 INFO [stderr] 421 |       result.set_item(self.py, py_key, py_val);
Nov 17 12:29:35.604 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.604 INFO [stderr]     |
Nov 17 12:29:35.604 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 12:29:35.604 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.604 INFO [stderr] 
Nov 17 12:29:35.604 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.604 INFO [stderr]   --> src/encoder.rs:64:9
Nov 17 12:29:35.604 INFO [stderr]    |
Nov 17 12:29:35.604 INFO [stderr] 64 |         self.write_list_no_tail(&as_list);
Nov 17 12:29:35.604 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.604 INFO [stderr]    |
Nov 17 12:29:35.604 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.604 INFO [stderr] 
Nov 17 12:29:35.604 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.604 INFO [stderr]   --> src/encoder.rs:70:9
Nov 17 12:29:35.604 INFO [stderr]    |
Nov 17 12:29:35.604 INFO [stderr] 70 |         self.write_tuple(&as_tup);
Nov 17 12:29:35.604 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.604 INFO [stderr]    |
Nov 17 12:29:35.604 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.604 INFO [stderr] 
Nov 17 12:29:35.604 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.604 INFO [stderr]   --> src/encoder.rs:75:9
Nov 17 12:29:35.604 INFO [stderr]    |
Nov 17 12:29:35.604 INFO [stderr] 75 |         self.write_dict(&as_dict);
Nov 17 12:29:35.604 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.604 INFO [stderr]    |
Nov 17 12:29:35.604 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.604 INFO [stderr] 
Nov 17 12:29:35.604 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.604 INFO [stderr]   --> src/encoder.rs:94:9
Nov 17 12:29:35.604 INFO [stderr]    |
Nov 17 12:29:35.604 INFO [stderr] 94 |         self.write_list_no_tail(&elements);
Nov 17 12:29:35.604 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.604 INFO [stderr]    |
Nov 17 12:29:35.604 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.604 INFO [stderr] 
Nov 17 12:29:35.604 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.604 INFO [stderr]    --> src/encoder.rs:154:5
Nov 17 12:29:35.604 INFO [stderr]     |
Nov 17 12:29:35.604 INFO [stderr] 154 |     self.data.write_u32::<BigEndian>(size as u32);
Nov 17 12:29:35.604 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.604 INFO [stderr]     |
Nov 17 12:29:35.604 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.604 INFO [stderr] 
Nov 17 12:29:35.604 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.604 INFO [stderr]    --> src/encoder.rs:158:7
Nov 17 12:29:35.604 INFO [stderr]     |
Nov 17 12:29:35.604 INFO [stderr] 158 |       self.encode(&item);
Nov 17 12:29:35.604 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.604 INFO [stderr]     |
Nov 17 12:29:35.604 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.604 INFO [stderr] 
Nov 17 12:29:35.604 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.604 INFO [stderr]    --> src/encoder.rs:172:7
Nov 17 12:29:35.604 INFO [stderr]     |
Nov 17 12:29:35.604 INFO [stderr] 172 |       self.data.write_u32::<BigEndian>(size as u32);
Nov 17 12:29:35.604 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.604 INFO [stderr]     |
Nov 17 12:29:35.604 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.604 INFO [stderr] 
Nov 17 12:29:35.604 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.604 INFO [stderr]    --> src/encoder.rs:177:7
Nov 17 12:29:35.604 INFO [stderr]     |
Nov 17 12:29:35.604 INFO [stderr] 177 |       self.encode(&item);
Nov 17 12:29:35.604 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.604 INFO [stderr]     |
Nov 17 12:29:35.604 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.604 INFO [stderr] 
Nov 17 12:29:35.604 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.604 INFO [stderr]    --> src/encoder.rs:188:5
Nov 17 12:29:35.604 INFO [stderr]     |
Nov 17 12:29:35.604 INFO [stderr] 188 |     self.data.write_u32::<BigEndian>(size as u32);
Nov 17 12:29:35.604 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.604 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.605 INFO [stderr] 
Nov 17 12:29:35.605 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.605 INFO [stderr]    --> src/encoder.rs:191:7
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr] 191 |       self.encode(&py_key);
Nov 17 12:29:35.605 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.605 INFO [stderr] 
Nov 17 12:29:35.605 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.605 INFO [stderr]    --> src/encoder.rs:192:7
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr] 192 |       self.encode(&py_value);
Nov 17 12:29:35.605 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.605 INFO [stderr] 
Nov 17 12:29:35.605 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.605 INFO [stderr]    --> src/encoder.rs:206:7
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr] 206 |       self.data.write_i32::<BigEndian>(val as i32);
Nov 17 12:29:35.605 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.605 INFO [stderr] 
Nov 17 12:29:35.605 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.605 INFO [stderr]    --> src/encoder.rs:218:5
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr] 218 |     self.data.write_f64::<BigEndian>(val);
Nov 17 12:29:35.605 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.605 INFO [stderr] 
Nov 17 12:29:35.605 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.605 INFO [stderr]    --> src/encoder.rs:241:7
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr] 241 |       self.data.write(byte_array); // write &[u8] string content
Nov 17 12:29:35.605 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.605 INFO [stderr] 
Nov 17 12:29:35.605 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.605 INFO [stderr]    --> src/encoder.rs:244:7
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr] 244 |       self.data.write_u16::<BigEndian>(str_byte_length as u16); // 16bit length
Nov 17 12:29:35.605 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.605 INFO [stderr] 
Nov 17 12:29:35.605 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.605 INFO [stderr]    --> src/encoder.rs:245:7
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr] 245 |       self.data.write(byte_array); // write &[u8] string content
Nov 17 12:29:35.605 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.605 INFO [stderr] 
Nov 17 12:29:35.605 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.605 INFO [stderr]    --> src/encoder.rs:265:7
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr] 265 |       self.data.write_u16::<BigEndian>(str_byte_length as u16); // 16bit length
Nov 17 12:29:35.605 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.605 INFO [stderr] 
Nov 17 12:29:35.605 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.605 INFO [stderr]    --> src/encoder.rs:266:7
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr] 266 |       self.data.write(byte_array); // write &[u8] string content
Nov 17 12:29:35.605 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.605 INFO [stderr] 
Nov 17 12:29:35.605 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.605 INFO [stderr]    --> src/encoder.rs:271:7
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr] 271 |       self.data.write_u32::<BigEndian>(chars_count as u32); // chars, not bytes!
Nov 17 12:29:35.605 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.605 INFO [stderr] 
Nov 17 12:29:35.605 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.605 INFO [stderr]    --> src/encoder.rs:299:5
Nov 17 12:29:35.605 INFO [stderr]     |
Nov 17 12:29:35.605 INFO [stderr] 299 |     self.write_atom_from_cow(node_name.to_string(self.py)?);
Nov 17 12:29:35.606 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.606 INFO [stderr] 
Nov 17 12:29:35.606 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.606 INFO [stderr]    --> src/encoder.rs:300:5
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr] 300 |     self.data.write_u32::<BigEndian>(id);
Nov 17 12:29:35.606 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.606 INFO [stderr] 
Nov 17 12:29:35.606 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.606 INFO [stderr]    --> src/encoder.rs:301:5
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr] 301 |     self.data.write_u32::<BigEndian>(serial);
Nov 17 12:29:35.606 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.606 INFO [stderr] 
Nov 17 12:29:35.606 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.606 INFO [stderr]    --> src/encoder.rs:324:5
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr] 324 |     self.data.write_u16::<BigEndian>((id.len() / 4) as u16);
Nov 17 12:29:35.606 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.606 INFO [stderr] 
Nov 17 12:29:35.606 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.606 INFO [stderr]    --> src/encoder.rs:325:5
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr] 325 |     self.write_atom_from_cow(node_name.to_string(self.py)?);
Nov 17 12:29:35.606 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.606 INFO [stderr] 
Nov 17 12:29:35.606 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.606 INFO [stderr]    --> src/encoder.rs:327:5
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr] 327 |     self.data.write(id);
Nov 17 12:29:35.606 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.606 INFO [stderr] 
Nov 17 12:29:35.606 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.606 INFO [stderr]    --> src/encoder.rs:338:5
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr] 338 |     self.data.write_u32::<BigEndian>(data.len() as u32);
Nov 17 12:29:35.606 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.606 INFO [stderr] 
Nov 17 12:29:35.606 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.606 INFO [stderr]    --> src/encoder.rs:339:5
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr] 339 |     self.data.write(data);
Nov 17 12:29:35.606 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.606 INFO [stderr] 
Nov 17 12:29:35.606 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.606 INFO [stderr]    --> src/encoder.rs:356:5
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr] 356 |     self.data.write_u32::<BigEndian>(data.len() as u32);
Nov 17 12:29:35.606 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.606 INFO [stderr] 
Nov 17 12:29:35.606 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:35.606 INFO [stderr]    --> src/encoder.rs:358:5
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr] 358 |     self.data.write(data);
Nov 17 12:29:35.606 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:35.606 INFO [stderr]     |
Nov 17 12:29:35.606 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:35.606 INFO [stderr] 
Nov 17 12:29:37.199 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.31s
Nov 17 12:29:37.202 INFO [stderr] su: No module specific data is present
Nov 17 12:29:37.989 INFO running `"docker" "inspect" "077ef22e08f0cc9bcc51b3a3d4c8cb723bda12230da30310aca4d45d29b27a54"`
Nov 17 12:29:38.313 INFO running `"docker" "rm" "-f" "077ef22e08f0cc9bcc51b3a3d4c8cb723bda12230da30310aca4d45d29b27a54"`
Nov 17 12:29:38.531 INFO [stdout] 077ef22e08f0cc9bcc51b3a3d4c8cb723bda12230da30310aca4d45d29b27a54
Nov 17 12:29:38.535 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 12:29:38.933 INFO [stdout] 38f6194e4033515804947083fb2f08bec4b924c9edb4d173b389bcf4704df389
Nov 17 12:29:38.943 INFO running `"docker" "start" "-a" "38f6194e4033515804947083fb2f08bec4b924c9edb4d173b389bcf4704df389"`
Nov 17 12:29:40.227 INFO [stderr] usermod: no changes
Nov 17 12:29:40.367 INFO [stderr]    Compiling native_codec_impl v0.1.0 (/source)
Nov 17 12:29:42.011 INFO [stderr] warning: unused variable: `size`
Nov 17 12:29:42.011 INFO [stderr]    --> src/decoder.rs:493:9
Nov 17 12:29:42.011 INFO [stderr]     |
Nov 17 12:29:42.011 INFO [stderr] 493 |     let size = in_bytes.read_with::<u32>(offset, byte::BE)?;
Nov 17 12:29:42.011 INFO [stderr]     |         ^^^^ help: consider using `_size` instead
Nov 17 12:29:42.011 INFO [stderr]     |
Nov 17 12:29:42.011 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 17 12:29:42.011 INFO [stderr] 
Nov 17 12:29:42.011 INFO [stderr] warning: unused variable: `other`
Nov 17 12:29:42.011 INFO [stderr]    --> src/encoder.rs:105:7
Nov 17 12:29:42.011 INFO [stderr]     |
Nov 17 12:29:42.011 INFO [stderr] 105 |       other => return self.write_unknown_object(type_name_ref, &term)
Nov 17 12:29:42.011 INFO [stderr]     |       ^^^^^ help: consider using `_other` instead
Nov 17 12:29:42.011 INFO [stderr] 
Nov 17 12:29:42.011 INFO [stderr] warning: unused variable: `name`
Nov 17 12:29:42.011 INFO [stderr]    --> src/encoder.rs:114:38
Nov 17 12:29:42.011 INFO [stderr]     |
Nov 17 12:29:42.011 INFO [stderr] 114 |   fn write_unknown_object(&mut self, name: &str, py_term: &PyObject) -> CodecResult<()> {
Nov 17 12:29:42.011 INFO [stderr]     |                                      ^^^^ help: consider using `_name` instead
Nov 17 12:29:42.011 INFO [stderr] 
Nov 17 12:29:42.059 INFO [stderr] warning: variable does not need to be mutable
Nov 17 12:29:42.059 INFO [stderr]    --> src/decoder.rs:413:9
Nov 17 12:29:42.059 INFO [stderr]     |
Nov 17 12:29:42.059 INFO [stderr] 413 |     let mut result = PyDict::new(self.py);
Nov 17 12:29:42.059 INFO [stderr]     |         ----^^^^^^
Nov 17 12:29:42.059 INFO [stderr]     |         |
Nov 17 12:29:42.059 INFO [stderr]     |         help: remove this `mut`
Nov 17 12:29:42.059 INFO [stderr]     |
Nov 17 12:29:42.059 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 12:29:42.059 INFO [stderr] 
Nov 17 12:29:42.172 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.172 INFO [stderr]    --> src/decoder.rs:421:7
Nov 17 12:29:42.172 INFO [stderr]     |
Nov 17 12:29:42.172 INFO [stderr] 421 |       result.set_item(self.py, py_key, py_val);
Nov 17 12:29:42.172 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.172 INFO [stderr]     |
Nov 17 12:29:42.172 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 12:29:42.172 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.172 INFO [stderr] 
Nov 17 12:29:42.172 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.172 INFO [stderr]   --> src/encoder.rs:64:9
Nov 17 12:29:42.172 INFO [stderr]    |
Nov 17 12:29:42.172 INFO [stderr] 64 |         self.write_list_no_tail(&as_list);
Nov 17 12:29:42.172 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.172 INFO [stderr]    |
Nov 17 12:29:42.172 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.172 INFO [stderr] 
Nov 17 12:29:42.172 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.172 INFO [stderr]   --> src/encoder.rs:70:9
Nov 17 12:29:42.172 INFO [stderr]    |
Nov 17 12:29:42.172 INFO [stderr] 70 |         self.write_tuple(&as_tup);
Nov 17 12:29:42.172 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.172 INFO [stderr]    |
Nov 17 12:29:42.172 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.172 INFO [stderr] 
Nov 17 12:29:42.172 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.172 INFO [stderr]   --> src/encoder.rs:75:9
Nov 17 12:29:42.172 INFO [stderr]    |
Nov 17 12:29:42.172 INFO [stderr] 75 |         self.write_dict(&as_dict);
Nov 17 12:29:42.172 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.172 INFO [stderr]    |
Nov 17 12:29:42.172 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.172 INFO [stderr] 
Nov 17 12:29:42.172 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.172 INFO [stderr]   --> src/encoder.rs:94:9
Nov 17 12:29:42.172 INFO [stderr]    |
Nov 17 12:29:42.172 INFO [stderr] 94 |         self.write_list_no_tail(&elements);
Nov 17 12:29:42.172 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.172 INFO [stderr]    |
Nov 17 12:29:42.172 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.172 INFO [stderr] 
Nov 17 12:29:42.172 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.172 INFO [stderr]    --> src/encoder.rs:154:5
Nov 17 12:29:42.172 INFO [stderr]     |
Nov 17 12:29:42.172 INFO [stderr] 154 |     self.data.write_u32::<BigEndian>(size as u32);
Nov 17 12:29:42.172 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.172 INFO [stderr]     |
Nov 17 12:29:42.172 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.172 INFO [stderr] 
Nov 17 12:29:42.172 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.172 INFO [stderr]    --> src/encoder.rs:158:7
Nov 17 12:29:42.172 INFO [stderr]     |
Nov 17 12:29:42.172 INFO [stderr] 158 |       self.encode(&item);
Nov 17 12:29:42.172 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.172 INFO [stderr]     |
Nov 17 12:29:42.172 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.172 INFO [stderr] 
Nov 17 12:29:42.172 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.172 INFO [stderr]    --> src/encoder.rs:172:7
Nov 17 12:29:42.172 INFO [stderr]     |
Nov 17 12:29:42.172 INFO [stderr] 172 |       self.data.write_u32::<BigEndian>(size as u32);
Nov 17 12:29:42.172 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.173 INFO [stderr] 
Nov 17 12:29:42.173 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.173 INFO [stderr]    --> src/encoder.rs:177:7
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr] 177 |       self.encode(&item);
Nov 17 12:29:42.173 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.173 INFO [stderr] 
Nov 17 12:29:42.173 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.173 INFO [stderr]    --> src/encoder.rs:188:5
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr] 188 |     self.data.write_u32::<BigEndian>(size as u32);
Nov 17 12:29:42.173 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.173 INFO [stderr] 
Nov 17 12:29:42.173 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.173 INFO [stderr]    --> src/encoder.rs:191:7
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr] 191 |       self.encode(&py_key);
Nov 17 12:29:42.173 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.173 INFO [stderr] 
Nov 17 12:29:42.173 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.173 INFO [stderr]    --> src/encoder.rs:192:7
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr] 192 |       self.encode(&py_value);
Nov 17 12:29:42.173 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.173 INFO [stderr] 
Nov 17 12:29:42.173 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.173 INFO [stderr]    --> src/encoder.rs:206:7
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr] 206 |       self.data.write_i32::<BigEndian>(val as i32);
Nov 17 12:29:42.173 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.173 INFO [stderr] 
Nov 17 12:29:42.173 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.173 INFO [stderr]    --> src/encoder.rs:218:5
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr] 218 |     self.data.write_f64::<BigEndian>(val);
Nov 17 12:29:42.173 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.173 INFO [stderr] 
Nov 17 12:29:42.173 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.173 INFO [stderr]    --> src/encoder.rs:241:7
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr] 241 |       self.data.write(byte_array); // write &[u8] string content
Nov 17 12:29:42.173 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.173 INFO [stderr] 
Nov 17 12:29:42.173 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.173 INFO [stderr]    --> src/encoder.rs:244:7
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr] 244 |       self.data.write_u16::<BigEndian>(str_byte_length as u16); // 16bit length
Nov 17 12:29:42.173 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.173 INFO [stderr] 
Nov 17 12:29:42.173 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.173 INFO [stderr]    --> src/encoder.rs:245:7
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr] 245 |       self.data.write(byte_array); // write &[u8] string content
Nov 17 12:29:42.173 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.173 INFO [stderr] 
Nov 17 12:29:42.173 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.173 INFO [stderr]    --> src/encoder.rs:265:7
Nov 17 12:29:42.173 INFO [stderr]     |
Nov 17 12:29:42.173 INFO [stderr] 265 |       self.data.write_u16::<BigEndian>(str_byte_length as u16); // 16bit length
Nov 17 12:29:42.174 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.174 INFO [stderr]     |
Nov 17 12:29:42.174 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.174 INFO [stderr] 
Nov 17 12:29:42.174 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.174 INFO [stderr]    --> src/encoder.rs:266:7
Nov 17 12:29:42.174 INFO [stderr]     |
Nov 17 12:29:42.174 INFO [stderr] 266 |       self.data.write(byte_array); // write &[u8] string content
Nov 17 12:29:42.174 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.174 INFO [stderr]     |
Nov 17 12:29:42.174 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.174 INFO [stderr] 
Nov 17 12:29:42.174 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.174 INFO [stderr]    --> src/encoder.rs:271:7
Nov 17 12:29:42.174 INFO [stderr]     |
Nov 17 12:29:42.174 INFO [stderr] 271 |       self.data.write_u32::<BigEndian>(chars_count as u32); // chars, not bytes!
Nov 17 12:29:42.174 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.174 INFO [stderr]     |
Nov 17 12:29:42.174 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.174 INFO [stderr] 
Nov 17 12:29:42.174 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.174 INFO [stderr]    --> src/encoder.rs:299:5
Nov 17 12:29:42.174 INFO [stderr]     |
Nov 17 12:29:42.174 INFO [stderr] 299 |     self.write_atom_from_cow(node_name.to_string(self.py)?);
Nov 17 12:29:42.174 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.174 INFO [stderr]     |
Nov 17 12:29:42.174 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.174 INFO [stderr] 
Nov 17 12:29:42.174 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.174 INFO [stderr]    --> src/encoder.rs:300:5
Nov 17 12:29:42.174 INFO [stderr]     |
Nov 17 12:29:42.174 INFO [stderr] 300 |     self.data.write_u32::<BigEndian>(id);
Nov 17 12:29:42.174 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.174 INFO [stderr]     |
Nov 17 12:29:42.174 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.174 INFO [stderr] 
Nov 17 12:29:42.174 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.174 INFO [stderr]    --> src/encoder.rs:301:5
Nov 17 12:29:42.174 INFO [stderr]     |
Nov 17 12:29:42.174 INFO [stderr] 301 |     self.data.write_u32::<BigEndian>(serial);
Nov 17 12:29:42.174 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.174 INFO [stderr]     |
Nov 17 12:29:42.174 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.174 INFO [stderr] 
Nov 17 12:29:42.178 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.178 INFO [stderr]    --> src/encoder.rs:324:5
Nov 17 12:29:42.178 INFO [stderr]     |
Nov 17 12:29:42.178 INFO [stderr] 324 |     self.data.write_u16::<BigEndian>((id.len() / 4) as u16);
Nov 17 12:29:42.178 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.178 INFO [stderr]     |
Nov 17 12:29:42.179 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.179 INFO [stderr] 
Nov 17 12:29:42.179 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.179 INFO [stderr]    --> src/encoder.rs:325:5
Nov 17 12:29:42.179 INFO [stderr]     |
Nov 17 12:29:42.179 INFO [stderr] 325 |     self.write_atom_from_cow(node_name.to_string(self.py)?);
Nov 17 12:29:42.179 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.179 INFO [stderr]     |
Nov 17 12:29:42.179 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.179 INFO [stderr] 
Nov 17 12:29:42.179 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.179 INFO [stderr]    --> src/encoder.rs:327:5
Nov 17 12:29:42.179 INFO [stderr]     |
Nov 17 12:29:42.179 INFO [stderr] 327 |     self.data.write(id);
Nov 17 12:29:42.179 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.179 INFO [stderr]     |
Nov 17 12:29:42.179 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.179 INFO [stderr] 
Nov 17 12:29:42.179 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.179 INFO [stderr]    --> src/encoder.rs:338:5
Nov 17 12:29:42.179 INFO [stderr]     |
Nov 17 12:29:42.179 INFO [stderr] 338 |     self.data.write_u32::<BigEndian>(data.len() as u32);
Nov 17 12:29:42.179 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.179 INFO [stderr]     |
Nov 17 12:29:42.179 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.180 INFO [stderr] 
Nov 17 12:29:42.180 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.180 INFO [stderr]    --> src/encoder.rs:339:5
Nov 17 12:29:42.180 INFO [stderr]     |
Nov 17 12:29:42.180 INFO [stderr] 339 |     self.data.write(data);
Nov 17 12:29:42.180 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.180 INFO [stderr]     |
Nov 17 12:29:42.180 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.180 INFO [stderr] 
Nov 17 12:29:42.180 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.180 INFO [stderr]    --> src/encoder.rs:356:5
Nov 17 12:29:42.180 INFO [stderr]     |
Nov 17 12:29:42.180 INFO [stderr] 356 |     self.data.write_u32::<BigEndian>(data.len() as u32);
Nov 17 12:29:42.180 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.180 INFO [stderr]     |
Nov 17 12:29:42.180 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.180 INFO [stderr] 
Nov 17 12:29:42.180 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:29:42.180 INFO [stderr]    --> src/encoder.rs:358:5
Nov 17 12:29:42.180 INFO [stderr]     |
Nov 17 12:29:42.180 INFO [stderr] 358 |     self.data.write(data);
Nov 17 12:29:42.180 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:29:42.180 INFO [stderr]     |
Nov 17 12:29:42.180 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:29:42.181 INFO [stderr] 
Nov 17 12:29:43.947 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.69s
Nov 17 12:29:43.955 INFO [stderr] su: No module specific data is present
Nov 17 12:29:44.703 INFO running `"docker" "inspect" "38f6194e4033515804947083fb2f08bec4b924c9edb4d173b389bcf4704df389"`
Nov 17 12:29:45.065 INFO running `"docker" "rm" "-f" "38f6194e4033515804947083fb2f08bec4b924c9edb4d173b389bcf4704df389"`
Nov 17 12:29:45.519 INFO [stdout] 38f6194e4033515804947083fb2f08bec4b924c9edb4d173b389bcf4704df389
Nov 17 12:29:45.521 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 12:29:45.924 INFO [stdout] 6a2a367257d4425ceb28310e1ee2c8561c0ddd51055c1d2d67c3d5f9ec1a9941
Nov 17 12:29:45.926 INFO running `"docker" "start" "-a" "6a2a367257d4425ceb28310e1ee2c8561c0ddd51055c1d2d67c3d5f9ec1a9941"`
Nov 17 12:29:47.399 INFO [stderr] usermod: no changes
Nov 17 12:29:47.506 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Nov 17 12:29:47.509 INFO [stderr]      Running /target/debug/deps/native_codec_impl-1123ae83934f5db4
Nov 17 12:29:47.517 INFO [stdout] 
Nov 17 12:29:47.517 INFO [stdout] running 0 tests
Nov 17 12:29:47.517 INFO [stdout] 
Nov 17 12:29:47.517 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 12:29:47.517 INFO [stdout] 
Nov 17 12:29:47.523 INFO [stderr] su: No module specific data is present
Nov 17 12:29:48.595 INFO running `"docker" "inspect" "6a2a367257d4425ceb28310e1ee2c8561c0ddd51055c1d2d67c3d5f9ec1a9941"`
Nov 17 12:29:48.933 INFO running `"docker" "rm" "-f" "6a2a367257d4425ceb28310e1ee2c8561c0ddd51055c1d2d67c3d5f9ec1a9941"`
Nov 17 12:29:49.307 INFO [stdout] 6a2a367257d4425ceb28310e1ee2c8561c0ddd51055c1d2d67c3d5f9ec1a9941