Dec 13 06:30:25.244 INFO testing raphlinus/ghilbert against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 06:30:25.244 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 13 06:30:25.715 INFO [stdout] 4fd3f1c4aaa66a8903e87982de79eef7c1452ce7f848fff668bb9d4ad654ae4e
Dec 13 06:30:25.723 INFO running `"docker" "start" "-a" "4fd3f1c4aaa66a8903e87982de79eef7c1452ce7f848fff668bb9d4ad654ae4e"`
Dec 13 06:30:27.027 INFO [stderr] usermod: no changes
Dec 13 06:30:27.143 INFO [stderr]    Compiling union-find v0.3.1
Dec 13 06:30:27.159 INFO [stderr]    Compiling serde_json v1.0.2
Dec 13 06:30:31.199 INFO [stderr]    Compiling ghilbert v0.1.0 (/source)
Dec 13 06:30:31.607 INFO [stderr] warning: doc comment not used by rustdoc
Dec 13 06:30:31.607 INFO [stderr]    --> src/unify.rs:471:9
Dec 13 06:30:31.607 INFO [stderr]     |
Dec 13 06:30:31.607 INFO [stderr] 471 |         /// Maps node of bound var to set of term var nodes it can appear free in.
Dec 13 06:30:31.607 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:30:31.607 INFO [stderr]     |
Dec 13 06:30:31.607 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 13 06:30:31.607 INFO [stderr] 
Dec 13 06:30:32.076 INFO [stderr] warning: unused variable: `writer`
Dec 13 06:30:32.076 INFO [stderr]    --> src/htmlout.rs:128:39
Dec 13 06:30:32.076 INFO [stderr]     |
Dec 13 06:30:32.076 INFO [stderr] 128 |     pub fn write<W: Write>(&mut self, writer: &mut W, parser: &Parser) -> io::Result<()> {
Dec 13 06:30:32.076 INFO [stderr]     |                                       ^^^^^^ help: consider using `_writer` instead
Dec 13 06:30:32.076 INFO [stderr]     |
Dec 13 06:30:32.076 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 06:30:32.076 INFO [stderr] 
Dec 13 06:30:32.076 INFO [stderr] warning: unused variable: `line`
Dec 13 06:30:32.076 INFO [stderr]    --> src/htmlout.rs:371:30
Dec 13 06:30:32.076 INFO [stderr]     |
Dec 13 06:30:32.076 INFO [stderr] 371 |     fn start_line(&mut self, line: &ParseNode) {
Dec 13 06:30:32.076 INFO [stderr]     |                              ^^^^ help: consider using `_line` instead
Dec 13 06:30:32.076 INFO [stderr] 
Dec 13 06:30:32.136 INFO [stderr] warning: variable does not need to be mutable
Dec 13 06:30:32.136 INFO [stderr]    --> src/lexer.rs:132:13
Dec 13 06:30:32.136 INFO [stderr]     |
Dec 13 06:30:32.136 INFO [stderr] 132 |         let mut node = self.root.traverse(s.chars());
Dec 13 06:30:32.136 INFO [stderr]     |             ----^^^^
Dec 13 06:30:32.136 INFO [stderr]     |             |
Dec 13 06:30:32.136 INFO [stderr]     |             help: remove this `mut`
Dec 13 06:30:32.136 INFO [stderr]     |
Dec 13 06:30:32.136 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 06:30:32.136 INFO [stderr] 
Dec 13 06:30:32.305 INFO [stderr] warning: method is never used: `cur_info`
Dec 13 06:30:32.305 INFO [stderr]    --> src/htmlout.rs:307:5
Dec 13 06:30:32.305 INFO [stderr]     |
Dec 13 06:30:32.305 INFO [stderr] 307 |     fn cur_info(&self) -> &ThmInfo {
Dec 13 06:30:32.305 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:30:32.305 INFO [stderr]     |
Dec 13 06:30:32.305 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 13 06:30:32.305 INFO [stderr] 
Dec 13 06:30:32.306 INFO [stderr] warning: method is never used: `get_end`
Dec 13 06:30:32.306 INFO [stderr]   --> src/parser.rs:44:5
Dec 13 06:30:32.306 INFO [stderr]    |
Dec 13 06:30:32.306 INFO [stderr] 44 |     pub fn get_end(&self) -> usize {
Dec 13 06:30:32.306 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:30:32.306 INFO [stderr] 
Dec 13 06:30:32.306 INFO [stderr] warning: field is never used: `session`
Dec 13 06:30:32.306 INFO [stderr]    --> src/session.rs:566:5
Dec 13 06:30:32.306 INFO [stderr]     |
Dec 13 06:30:32.306 INFO [stderr] 566 |     session: &'b Session<'a>,
Dec 13 06:30:32.306 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:30:32.306 INFO [stderr] 
Dec 13 06:30:35.515 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.41s
Dec 13 06:30:35.515 INFO [stderr] su: No module specific data is present
Dec 13 06:30:36.062 INFO running `"docker" "inspect" "4fd3f1c4aaa66a8903e87982de79eef7c1452ce7f848fff668bb9d4ad654ae4e"`
Dec 13 06:30:36.197 INFO running `"docker" "rm" "-f" "4fd3f1c4aaa66a8903e87982de79eef7c1452ce7f848fff668bb9d4ad654ae4e"`
Dec 13 06:30:36.431 INFO [stdout] 4fd3f1c4aaa66a8903e87982de79eef7c1452ce7f848fff668bb9d4ad654ae4e
Dec 13 06:30:36.435 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 13 06:30:36.763 INFO [stdout] 9c8feaa3a3c622b8cca818ab386f39ed15ba6c910034a28f844b1a54df3a8f1b
Dec 13 06:30:36.771 INFO running `"docker" "start" "-a" "9c8feaa3a3c622b8cca818ab386f39ed15ba6c910034a28f844b1a54df3a8f1b"`
Dec 13 06:30:37.664 INFO [stderr] usermod: no changes
Dec 13 06:30:37.746 INFO [stderr]    Compiling ghilbert v0.1.0 (/source)
Dec 13 06:30:38.093 INFO [stderr] warning: doc comment not used by rustdoc
Dec 13 06:30:38.093 INFO [stderr]    --> src/unify.rs:471:9
Dec 13 06:30:38.093 INFO [stderr]     |
Dec 13 06:30:38.093 INFO [stderr] 471 |         /// Maps node of bound var to set of term var nodes it can appear free in.
Dec 13 06:30:38.093 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:30:38.093 INFO [stderr]     |
Dec 13 06:30:38.093 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 13 06:30:38.093 INFO [stderr] 
Dec 13 06:30:38.570 INFO [stderr] warning: unused variable: `writer`
Dec 13 06:30:38.570 INFO [stderr]    --> src/htmlout.rs:128:39
Dec 13 06:30:38.570 INFO [stderr]     |
Dec 13 06:30:38.570 INFO [stderr] 128 |     pub fn write<W: Write>(&mut self, writer: &mut W, parser: &Parser) -> io::Result<()> {
Dec 13 06:30:38.570 INFO [stderr]     |                                       ^^^^^^ help: consider using `_writer` instead
Dec 13 06:30:38.570 INFO [stderr]     |
Dec 13 06:30:38.570 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 06:30:38.570 INFO [stderr] 
Dec 13 06:30:38.570 INFO [stderr] warning: unused variable: `line`
Dec 13 06:30:38.570 INFO [stderr]    --> src/htmlout.rs:371:30
Dec 13 06:30:38.570 INFO [stderr]     |
Dec 13 06:30:38.570 INFO [stderr] 371 |     fn start_line(&mut self, line: &ParseNode) {
Dec 13 06:30:38.570 INFO [stderr]     |                              ^^^^ help: consider using `_line` instead
Dec 13 06:30:38.570 INFO [stderr] 
Dec 13 06:30:38.631 INFO [stderr] warning: variable does not need to be mutable
Dec 13 06:30:38.632 INFO [stderr]    --> src/lexer.rs:132:13
Dec 13 06:30:38.632 INFO [stderr]     |
Dec 13 06:30:38.632 INFO [stderr] 132 |         let mut node = self.root.traverse(s.chars());
Dec 13 06:30:38.632 INFO [stderr]     |             ----^^^^
Dec 13 06:30:38.632 INFO [stderr]     |             |
Dec 13 06:30:38.632 INFO [stderr]     |             help: remove this `mut`
Dec 13 06:30:38.632 INFO [stderr]     |
Dec 13 06:30:38.632 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 06:30:38.632 INFO [stderr] 
Dec 13 06:30:38.823 INFO [stderr] warning: method is never used: `cur_info`
Dec 13 06:30:38.823 INFO [stderr]    --> src/htmlout.rs:307:5
Dec 13 06:30:38.823 INFO [stderr]     |
Dec 13 06:30:38.823 INFO [stderr] 307 |     fn cur_info(&self) -> &ThmInfo {
Dec 13 06:30:38.823 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:30:38.823 INFO [stderr]     |
Dec 13 06:30:38.823 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 13 06:30:38.823 INFO [stderr] 
Dec 13 06:30:38.823 INFO [stderr] warning: method is never used: `get_end`
Dec 13 06:30:38.823 INFO [stderr]   --> src/parser.rs:44:5
Dec 13 06:30:38.823 INFO [stderr]    |
Dec 13 06:30:38.823 INFO [stderr] 44 |     pub fn get_end(&self) -> usize {
Dec 13 06:30:38.823 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:30:38.823 INFO [stderr] 
Dec 13 06:30:38.824 INFO [stderr] warning: field is never used: `session`
Dec 13 06:30:38.824 INFO [stderr]    --> src/session.rs:566:5
Dec 13 06:30:38.824 INFO [stderr]     |
Dec 13 06:30:38.824 INFO [stderr] 566 |     session: &'b Session<'a>,
Dec 13 06:30:38.824 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:30:38.824 INFO [stderr] 
Dec 13 06:30:39.175 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
Dec 13 06:30:39.178 INFO [stderr] su: No module specific data is present
Dec 13 06:30:39.803 INFO running `"docker" "inspect" "9c8feaa3a3c622b8cca818ab386f39ed15ba6c910034a28f844b1a54df3a8f1b"`
Dec 13 06:30:39.916 INFO running `"docker" "rm" "-f" "9c8feaa3a3c622b8cca818ab386f39ed15ba6c910034a28f844b1a54df3a8f1b"`
Dec 13 06:30:40.013 INFO [stdout] 9c8feaa3a3c622b8cca818ab386f39ed15ba6c910034a28f844b1a54df3a8f1b
Dec 13 06:30:40.016 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 13 06:30:40.370 INFO [stdout] b02b374bd7bc972278e531a5b64918f9d501afcac0d4705ccbc186f014f02c33
Dec 13 06:30:40.376 INFO running `"docker" "start" "-a" "b02b374bd7bc972278e531a5b64918f9d501afcac0d4705ccbc186f014f02c33"`
Dec 13 06:30:40.860 INFO [stderr] usermod: no changes
Dec 13 06:30:40.932 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 06:30:40.932 INFO [stderr]      Running /target/debug/deps/ghilbert-d8d7a817fcfb22eb
Dec 13 06:30:40.932 INFO [stderr] su: No module specific data is present
Dec 13 06:30:40.932 INFO [stdout] 
Dec 13 06:30:40.932 INFO [stdout] running 0 tests
Dec 13 06:30:40.932 INFO [stdout] 
Dec 13 06:30:40.932 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 06:30:40.932 INFO [stdout] 
Dec 13 06:30:41.197 INFO running `"docker" "inspect" "b02b374bd7bc972278e531a5b64918f9d501afcac0d4705ccbc186f014f02c33"`
Dec 13 06:30:41.295 INFO running `"docker" "rm" "-f" "b02b374bd7bc972278e531a5b64918f9d501afcac0d4705ccbc186f014f02c33"`
Dec 13 06:30:41.393 INFO [stdout] b02b374bd7bc972278e531a5b64918f9d501afcac0d4705ccbc186f014f02c33