Nov 16 16:10:19.885 INFO testing raphlinus/ghilbert against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 16:10:19.885 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 16 16:10:20.313 INFO [stdout] 9a6d963a4dd573209cf74d701173cd72ad4e8ddafc84736622fd947a4883688b
Nov 16 16:10:20.317 INFO running `"docker" "start" "-a" "9a6d963a4dd573209cf74d701173cd72ad4e8ddafc84736622fd947a4883688b"`
Nov 16 16:10:21.311 INFO [stderr] usermod: no changes
Nov 16 16:10:21.395 INFO [stderr]    Compiling union-find v0.3.1
Nov 16 16:10:21.396 INFO [stderr]    Compiling serde_json v1.0.2
Nov 16 16:10:25.587 INFO [stderr]    Compiling ghilbert v0.1.0 (/source)
Nov 16 16:10:25.903 INFO [stderr] warning: doc comment not used by rustdoc
Nov 16 16:10:25.903 INFO [stderr]    --> src/unify.rs:471:9
Nov 16 16:10:25.903 INFO [stderr]     |
Nov 16 16:10:25.903 INFO [stderr] 471 |         /// Maps node of bound var to set of term var nodes it can appear free in.
Nov 16 16:10:25.903 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:10:25.903 INFO [stderr]     |
Nov 16 16:10:25.903 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Nov 16 16:10:25.903 INFO [stderr] 
Nov 16 16:10:26.527 INFO [stderr] warning: unused variable: `writer`
Nov 16 16:10:26.528 INFO [stderr]    --> src/htmlout.rs:128:39
Nov 16 16:10:26.528 INFO [stderr]     |
Nov 16 16:10:26.528 INFO [stderr] 128 |     pub fn write<W: Write>(&mut self, writer: &mut W, parser: &Parser) -> io::Result<()> {
Nov 16 16:10:26.529 INFO [stderr]     |                                       ^^^^^^ help: consider using `_writer` instead
Nov 16 16:10:26.529 INFO [stderr]     |
Nov 16 16:10:26.529 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 16 16:10:26.529 INFO [stderr] 
Nov 16 16:10:26.530 INFO [stderr] warning: unused variable: `line`
Nov 16 16:10:26.530 INFO [stderr]    --> src/htmlout.rs:371:30
Nov 16 16:10:26.530 INFO [stderr]     |
Nov 16 16:10:26.531 INFO [stderr] 371 |     fn start_line(&mut self, line: &ParseNode) {
Nov 16 16:10:26.531 INFO [stderr]     |                              ^^^^ help: consider using `_line` instead
Nov 16 16:10:26.531 INFO [stderr] 
Nov 16 16:10:26.587 INFO [stderr] warning: variable does not need to be mutable
Nov 16 16:10:26.587 INFO [stderr]    --> src/lexer.rs:132:13
Nov 16 16:10:26.588 INFO [stderr]     |
Nov 16 16:10:26.588 INFO [stderr] 132 |         let mut node = self.root.traverse(s.chars());
Nov 16 16:10:26.588 INFO [stderr]     |             ----^^^^
Nov 16 16:10:26.589 INFO [stderr]     |             |
Nov 16 16:10:26.589 INFO [stderr]     |             help: remove this `mut`
Nov 16 16:10:26.589 INFO [stderr]     |
Nov 16 16:10:26.590 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 16:10:26.590 INFO [stderr] 
Nov 16 16:10:26.779 INFO [stderr] warning: method is never used: `cur_info`
Nov 16 16:10:26.779 INFO [stderr]    --> src/htmlout.rs:307:5
Nov 16 16:10:26.779 INFO [stderr]     |
Nov 16 16:10:26.779 INFO [stderr] 307 |     fn cur_info(&self) -> &ThmInfo {
Nov 16 16:10:26.779 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:10:26.779 INFO [stderr]     |
Nov 16 16:10:26.779 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 16 16:10:26.779 INFO [stderr] 
Nov 16 16:10:26.779 INFO [stderr] warning: method is never used: `get_end`
Nov 16 16:10:26.779 INFO [stderr]   --> src/parser.rs:44:5
Nov 16 16:10:26.779 INFO [stderr]    |
Nov 16 16:10:26.779 INFO [stderr] 44 |     pub fn get_end(&self) -> usize {
Nov 16 16:10:26.779 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:10:26.779 INFO [stderr] 
Nov 16 16:10:26.779 INFO [stderr] warning: field is never used: `session`
Nov 16 16:10:26.779 INFO [stderr]    --> src/session.rs:566:5
Nov 16 16:10:26.779 INFO [stderr]     |
Nov 16 16:10:26.779 INFO [stderr] 566 |     session: &'b Session<'a>,
Nov 16 16:10:26.779 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:10:26.779 INFO [stderr] 
Nov 16 16:10:31.979 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.63s
Nov 16 16:10:31.982 INFO [stderr] su: No module specific data is present
Nov 16 16:10:32.535 INFO running `"docker" "inspect" "9a6d963a4dd573209cf74d701173cd72ad4e8ddafc84736622fd947a4883688b"`
Nov 16 16:10:32.885 INFO running `"docker" "rm" "-f" "9a6d963a4dd573209cf74d701173cd72ad4e8ddafc84736622fd947a4883688b"`
Nov 16 16:10:33.231 INFO [stdout] 9a6d963a4dd573209cf74d701173cd72ad4e8ddafc84736622fd947a4883688b
Nov 16 16:10:33.241 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 16 16:10:33.635 INFO [stdout] a2ee128eeb8297c9d36a9f897d7b65ec28979cded21fde641011f1e4d5e01438
Nov 16 16:10:33.641 INFO running `"docker" "start" "-a" "a2ee128eeb8297c9d36a9f897d7b65ec28979cded21fde641011f1e4d5e01438"`
Nov 16 16:10:34.803 INFO [stderr] usermod: no changes
Nov 16 16:10:34.886 INFO [stderr]    Compiling ghilbert v0.1.0 (/source)
Nov 16 16:10:35.299 INFO [stderr] warning: doc comment not used by rustdoc
Nov 16 16:10:35.299 INFO [stderr]    --> src/unify.rs:471:9
Nov 16 16:10:35.299 INFO [stderr]     |
Nov 16 16:10:35.300 INFO [stderr] 471 |         /// Maps node of bound var to set of term var nodes it can appear free in.
Nov 16 16:10:35.300 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:10:35.300 INFO [stderr]     |
Nov 16 16:10:35.300 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Nov 16 16:10:35.300 INFO [stderr] 
Nov 16 16:10:35.827 INFO [stderr] warning: unused variable: `writer`
Nov 16 16:10:35.827 INFO [stderr]    --> src/htmlout.rs:128:39
Nov 16 16:10:35.827 INFO [stderr]     |
Nov 16 16:10:35.827 INFO [stderr] 128 |     pub fn write<W: Write>(&mut self, writer: &mut W, parser: &Parser) -> io::Result<()> {
Nov 16 16:10:35.827 INFO [stderr]     |                                       ^^^^^^ help: consider using `_writer` instead
Nov 16 16:10:35.827 INFO [stderr]     |
Nov 16 16:10:35.827 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 16 16:10:35.827 INFO [stderr] 
Nov 16 16:10:35.827 INFO [stderr] warning: unused variable: `line`
Nov 16 16:10:35.827 INFO [stderr]    --> src/htmlout.rs:371:30
Nov 16 16:10:35.827 INFO [stderr]     |
Nov 16 16:10:35.827 INFO [stderr] 371 |     fn start_line(&mut self, line: &ParseNode) {
Nov 16 16:10:35.827 INFO [stderr]     |                              ^^^^ help: consider using `_line` instead
Nov 16 16:10:35.827 INFO [stderr] 
Nov 16 16:10:35.923 INFO [stderr] warning: variable does not need to be mutable
Nov 16 16:10:35.923 INFO [stderr]    --> src/lexer.rs:132:13
Nov 16 16:10:35.923 INFO [stderr]     |
Nov 16 16:10:35.923 INFO [stderr] 132 |         let mut node = self.root.traverse(s.chars());
Nov 16 16:10:35.923 INFO [stderr]     |             ----^^^^
Nov 16 16:10:35.923 INFO [stderr]     |             |
Nov 16 16:10:35.923 INFO [stderr]     |             help: remove this `mut`
Nov 16 16:10:35.923 INFO [stderr]     |
Nov 16 16:10:35.923 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 16:10:35.923 INFO [stderr] 
Nov 16 16:10:36.115 INFO [stderr] warning: method is never used: `cur_info`
Nov 16 16:10:36.115 INFO [stderr]    --> src/htmlout.rs:307:5
Nov 16 16:10:36.116 INFO [stderr]     |
Nov 16 16:10:36.116 INFO [stderr] 307 |     fn cur_info(&self) -> &ThmInfo {
Nov 16 16:10:36.116 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:10:36.117 INFO [stderr]     |
Nov 16 16:10:36.117 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 16 16:10:36.117 INFO [stderr] 
Nov 16 16:10:36.118 INFO [stderr] warning: method is never used: `get_end`
Nov 16 16:10:36.118 INFO [stderr]   --> src/parser.rs:44:5
Nov 16 16:10:36.118 INFO [stderr]    |
Nov 16 16:10:36.119 INFO [stderr] 44 |     pub fn get_end(&self) -> usize {
Nov 16 16:10:36.119 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:10:36.120 INFO [stderr] 
Nov 16 16:10:36.120 INFO [stderr] warning: field is never used: `session`
Nov 16 16:10:36.120 INFO [stderr]    --> src/session.rs:566:5
Nov 16 16:10:36.120 INFO [stderr]     |
Nov 16 16:10:36.121 INFO [stderr] 566 |     session: &'b Session<'a>,
Nov 16 16:10:36.121 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:10:36.122 INFO [stderr] 
Nov 16 16:10:36.466 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
Nov 16 16:10:36.470 INFO [stderr] su: No module specific data is present
Nov 16 16:10:37.191 INFO running `"docker" "inspect" "a2ee128eeb8297c9d36a9f897d7b65ec28979cded21fde641011f1e4d5e01438"`
Nov 16 16:10:37.495 INFO running `"docker" "rm" "-f" "a2ee128eeb8297c9d36a9f897d7b65ec28979cded21fde641011f1e4d5e01438"`
Nov 16 16:10:37.759 INFO [stdout] a2ee128eeb8297c9d36a9f897d7b65ec28979cded21fde641011f1e4d5e01438
Nov 16 16:10:37.763 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 16 16:10:38.240 INFO [stdout] 65d0ab1a5516c442e48fdf7c5aa3a61124751a5fcd9010739fde35602e8c86a3
Nov 16 16:10:38.243 INFO running `"docker" "start" "-a" "65d0ab1a5516c442e48fdf7c5aa3a61124751a5fcd9010739fde35602e8c86a3"`
Nov 16 16:10:39.803 INFO [stderr] usermod: no changes
Nov 16 16:10:39.895 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Nov 16 16:10:39.902 INFO [stderr]      Running /target/debug/deps/ghilbert-818772495b2a3a7f
Nov 16 16:10:39.907 INFO [stdout] 
Nov 16 16:10:39.907 INFO [stdout] running 0 tests
Nov 16 16:10:39.907 INFO [stdout] 
Nov 16 16:10:39.907 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 16:10:39.907 INFO [stdout] 
Nov 16 16:10:39.907 INFO [stderr] su: No module specific data is present
Nov 16 16:10:41.250 INFO running `"docker" "inspect" "65d0ab1a5516c442e48fdf7c5aa3a61124751a5fcd9010739fde35602e8c86a3"`
Nov 16 16:10:41.593 INFO running `"docker" "rm" "-f" "65d0ab1a5516c442e48fdf7c5aa3a61124751a5fcd9010739fde35602e8c86a3"`
Nov 16 16:10:42.003 INFO [stdout] 65d0ab1a5516c442e48fdf7c5aa3a61124751a5fcd9010739fde35602e8c86a3