Nov 27 22:16:40.805 INFO checking raphlinus/ghilbert against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 22:16:40.807 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-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 27 22:16:41.386 INFO [stdout] c99fa2d4c4237b85518a3f4c90767fc546fc0b8be5483ac43480a4899d424b15
Nov 27 22:16:41.389 INFO running `"docker" "start" "-a" "c99fa2d4c4237b85518a3f4c90767fc546fc0b8be5483ac43480a4899d424b15"`
Nov 27 22:16:44.123 INFO [stderr] usermod: no changes
Nov 27 22:16:44.240 INFO [stderr]     Checking itoa v0.3.3
Nov 27 22:16:44.241 INFO [stderr]     Checking union-find v0.3.1
Nov 27 22:16:44.914 INFO [stderr]     Checking serde_json v1.0.2
Nov 27 22:16:47.420 INFO [stderr]     Checking ghilbert v0.1.0 (/source)
Nov 27 22:16:48.106 INFO [stderr] warning: doc comment not used by rustdoc
Nov 27 22:16:48.106 INFO [stderr]    --> src/unify.rs:471:9
Nov 27 22:16:48.106 INFO [stderr]     |
Nov 27 22:16:48.107 INFO [stderr] 471 |         /// Maps node of bound var to set of term var nodes it can appear free in.
Nov 27 22:16:48.107 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:16:48.107 INFO [stderr]     |
Nov 27 22:16:48.108 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Nov 27 22:16:48.108 INFO [stderr] 
Nov 27 22:16:48.241 INFO [stderr] warning: doc comment not used by rustdoc
Nov 27 22:16:48.241 INFO [stderr]    --> src/unify.rs:471:9
Nov 27 22:16:48.241 INFO [stderr]     |
Nov 27 22:16:48.242 INFO [stderr] 471 |         /// Maps node of bound var to set of term var nodes it can appear free in.
Nov 27 22:16:48.242 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:16:48.242 INFO [stderr]     |
Nov 27 22:16:48.242 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Nov 27 22:16:48.243 INFO [stderr] 
Nov 27 22:16:48.885 INFO [stderr] warning: unused variable: `writer`
Nov 27 22:16:48.885 INFO [stderr]    --> src/htmlout.rs:128:39
Nov 27 22:16:48.886 INFO [stderr]     |
Nov 27 22:16:48.886 INFO [stderr] 128 |     pub fn write<W: Write>(&mut self, writer: &mut W, parser: &Parser) -> io::Result<()> {
Nov 27 22:16:48.890 INFO [stderr]     |                                       ^^^^^^ help: consider using `_writer` instead
Nov 27 22:16:48.892 INFO [stderr]     |
Nov 27 22:16:48.892 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 27 22:16:48.892 INFO [stderr] 
Nov 27 22:16:48.892 INFO [stderr] warning: unused variable: `line`
Nov 27 22:16:48.892 INFO [stderr]    --> src/htmlout.rs:371:30
Nov 27 22:16:48.892 INFO [stderr]     |
Nov 27 22:16:48.892 INFO [stderr] 371 |     fn start_line(&mut self, line: &ParseNode) {
Nov 27 22:16:48.892 INFO [stderr]     |                              ^^^^ help: consider using `_line` instead
Nov 27 22:16:48.892 INFO [stderr] 
Nov 27 22:16:48.957 INFO [stderr] warning: variable does not need to be mutable
Nov 27 22:16:48.957 INFO [stderr]    --> src/lexer.rs:132:13
Nov 27 22:16:48.957 INFO [stderr]     |
Nov 27 22:16:48.958 INFO [stderr] 132 |         let mut node = self.root.traverse(s.chars());
Nov 27 22:16:48.958 INFO [stderr]     |             ----^^^^
Nov 27 22:16:48.958 INFO [stderr]     |             |
Nov 27 22:16:48.958 INFO [stderr]     |             help: remove this `mut`
Nov 27 22:16:48.958 INFO [stderr]     |
Nov 27 22:16:48.959 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 27 22:16:48.959 INFO [stderr] 
Nov 27 22:16:49.202 INFO [stderr] warning: method is never used: `cur_info`
Nov 27 22:16:49.202 INFO [stderr]    --> src/htmlout.rs:307:5
Nov 27 22:16:49.203 INFO [stderr]     |
Nov 27 22:16:49.203 INFO [stderr] 307 |     fn cur_info(&self) -> &ThmInfo {
Nov 27 22:16:49.203 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:16:49.203 INFO [stderr]     |
Nov 27 22:16:49.203 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 27 22:16:49.203 INFO [stderr] 
Nov 27 22:16:49.204 INFO [stderr] warning: method is never used: `get_end`
Nov 27 22:16:49.204 INFO [stderr]   --> src/parser.rs:44:5
Nov 27 22:16:49.204 INFO [stderr]    |
Nov 27 22:16:49.204 INFO [stderr] 44 |     pub fn get_end(&self) -> usize {
Nov 27 22:16:49.204 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:16:49.204 INFO [stderr] 
Nov 27 22:16:49.204 INFO [stderr] warning: field is never used: `session`
Nov 27 22:16:49.205 INFO [stderr]    --> src/session.rs:566:5
Nov 27 22:16:49.205 INFO [stderr]     |
Nov 27 22:16:49.206 INFO [stderr] 566 |     session: &'b Session<'a>,
Nov 27 22:16:49.206 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:16:49.206 INFO [stderr] 
Nov 27 22:16:49.476 INFO [stderr] warning: unused variable: `writer`
Nov 27 22:16:49.476 INFO [stderr]    --> src/htmlout.rs:128:39
Nov 27 22:16:49.476 INFO [stderr]     |
Nov 27 22:16:49.476 INFO [stderr] 128 |     pub fn write<W: Write>(&mut self, writer: &mut W, parser: &Parser) -> io::Result<()> {
Nov 27 22:16:49.476 INFO [stderr]     |                                       ^^^^^^ help: consider using `_writer` instead
Nov 27 22:16:49.476 INFO [stderr]     |
Nov 27 22:16:49.476 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 27 22:16:49.476 INFO [stderr] 
Nov 27 22:16:49.477 INFO [stderr] warning: unused variable: `line`
Nov 27 22:16:49.477 INFO [stderr]    --> src/htmlout.rs:371:30
Nov 27 22:16:49.477 INFO [stderr]     |
Nov 27 22:16:49.478 INFO [stderr] 371 |     fn start_line(&mut self, line: &ParseNode) {
Nov 27 22:16:49.478 INFO [stderr]     |                              ^^^^ help: consider using `_line` instead
Nov 27 22:16:49.480 INFO [stderr] 
Nov 27 22:16:49.573 INFO [stderr] warning: variable does not need to be mutable
Nov 27 22:16:49.573 INFO [stderr]    --> src/lexer.rs:132:13
Nov 27 22:16:49.574 INFO [stderr]     |
Nov 27 22:16:49.574 INFO [stderr] 132 |         let mut node = self.root.traverse(s.chars());
Nov 27 22:16:49.574 INFO [stderr]     |             ----^^^^
Nov 27 22:16:49.574 INFO [stderr]     |             |
Nov 27 22:16:49.575 INFO [stderr]     |             help: remove this `mut`
Nov 27 22:16:49.575 INFO [stderr]     |
Nov 27 22:16:49.575 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 27 22:16:49.575 INFO [stderr] 
Nov 27 22:16:49.832 INFO [stderr] warning: method is never used: `cur_info`
Nov 27 22:16:49.832 INFO [stderr]    --> src/htmlout.rs:307:5
Nov 27 22:16:49.832 INFO [stderr]     |
Nov 27 22:16:49.832 INFO [stderr] 307 |     fn cur_info(&self) -> &ThmInfo {
Nov 27 22:16:49.832 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:16:49.832 INFO [stderr]     |
Nov 27 22:16:49.832 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 27 22:16:49.832 INFO [stderr] 
Nov 27 22:16:49.832 INFO [stderr] warning: method is never used: `get_end`
Nov 27 22:16:49.832 INFO [stderr]   --> src/parser.rs:44:5
Nov 27 22:16:49.832 INFO [stderr]    |
Nov 27 22:16:49.832 INFO [stderr] 44 |     pub fn get_end(&self) -> usize {
Nov 27 22:16:49.832 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:16:49.832 INFO [stderr] 
Nov 27 22:16:49.832 INFO [stderr] warning: field is never used: `session`
Nov 27 22:16:49.832 INFO [stderr]    --> src/session.rs:566:5
Nov 27 22:16:49.832 INFO [stderr]     |
Nov 27 22:16:49.833 INFO [stderr] 566 |     session: &'b Session<'a>,
Nov 27 22:16:49.833 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:16:49.833 INFO [stderr] 
Nov 27 22:16:49.908 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.75s
Nov 27 22:16:49.908 INFO [stderr] su: No module specific data is present
Nov 27 22:16:50.843 INFO running `"docker" "inspect" "c99fa2d4c4237b85518a3f4c90767fc546fc0b8be5483ac43480a4899d424b15"`
Nov 27 22:16:51.146 INFO running `"docker" "rm" "-f" "c99fa2d4c4237b85518a3f4c90767fc546fc0b8be5483ac43480a4899d424b15"`
Nov 27 22:16:51.464 INFO [stdout] c99fa2d4c4237b85518a3f4c90767fc546fc0b8be5483ac43480a4899d424b15