Oct 12 15:17:32.392 INFO checking raphlinus/ghilbert against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 15:17:32.392 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 12 15:17:32.789 INFO blam! e4915397ca906166cee5fe59a5b7b4bd67b5194aacfb1e77a2ba34d6c5633234
Oct 12 15:17:32.796 INFO running `"docker" "start" "-a" "e4915397ca906166cee5fe59a5b7b4bd67b5194aacfb1e77a2ba34d6c5633234"`
Oct 12 15:17:34.332 INFO kablam! usermod: no changes
Oct 12 15:17:34.408 INFO kablam!     Checking union-find v0.3.1
Oct 12 15:17:34.420 INFO kablam!     Checking serde_json v1.0.2
Oct 12 15:17:37.211 INFO kablam!     Checking ghilbert v0.1.0 (/source)
Oct 12 15:17:37.828 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 15:17:37.828 INFO kablam!    --> src/unify.rs:471:9
Oct 12 15:17:37.828 INFO kablam!     |
Oct 12 15:17:37.828 INFO kablam! 471 |         /// Maps node of bound var to set of term var nodes it can appear free in.
Oct 12 15:17:37.828 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:17:37.828 INFO kablam!     |
Oct 12 15:17:37.828 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Oct 12 15:17:37.828 INFO kablam! 
Oct 12 15:17:37.956 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 15:17:37.956 INFO kablam!    --> src/unify.rs:471:9
Oct 12 15:17:37.957 INFO kablam!     |
Oct 12 15:17:37.957 INFO kablam! 471 |         /// Maps node of bound var to set of term var nodes it can appear free in.
Oct 12 15:17:37.957 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:17:37.969 INFO kablam!     |
Oct 12 15:17:37.969 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Oct 12 15:17:37.969 INFO kablam! 
Oct 12 15:17:38.663 INFO kablam! warning: unused variable: `writer`
Oct 12 15:17:38.663 INFO kablam!    --> src/htmlout.rs:128:39
Oct 12 15:17:38.663 INFO kablam!     |
Oct 12 15:17:38.663 INFO kablam! 128 |     pub fn write<W: Write>(&mut self, writer: &mut W, parser: &Parser) -> io::Result<()> {
Oct 12 15:17:38.663 INFO kablam!     |                                       ^^^^^^ help: consider using `_writer` instead
Oct 12 15:17:38.663 INFO kablam!     |
Oct 12 15:17:38.663 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 15:17:38.663 INFO kablam! 
Oct 12 15:17:38.663 INFO kablam! warning: unused variable: `line`
Oct 12 15:17:38.663 INFO kablam!    --> src/htmlout.rs:371:30
Oct 12 15:17:38.663 INFO kablam!     |
Oct 12 15:17:38.663 INFO kablam! 371 |     fn start_line(&mut self, line: &ParseNode) {
Oct 12 15:17:38.663 INFO kablam!     |                              ^^^^ help: consider using `_line` instead
Oct 12 15:17:38.663 INFO kablam! 
Oct 12 15:17:38.744 INFO kablam! warning: variable does not need to be mutable
Oct 12 15:17:38.744 INFO kablam!    --> src/lexer.rs:132:13
Oct 12 15:17:38.744 INFO kablam!     |
Oct 12 15:17:38.744 INFO kablam! 132 |         let mut node = self.root.traverse(s.chars());
Oct 12 15:17:38.744 INFO kablam!     |             ----^^^^
Oct 12 15:17:38.744 INFO kablam!     |             |
Oct 12 15:17:38.744 INFO kablam!     |             help: remove this `mut`
Oct 12 15:17:38.744 INFO kablam!     |
Oct 12 15:17:38.744 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 15:17:38.744 INFO kablam! 
Oct 12 15:17:38.822 INFO kablam! warning: unused variable: `writer`
Oct 12 15:17:38.822 INFO kablam!    --> src/htmlout.rs:128:39
Oct 12 15:17:38.822 INFO kablam!     |
Oct 12 15:17:38.822 INFO kablam! 128 |     pub fn write<W: Write>(&mut self, writer: &mut W, parser: &Parser) -> io::Result<()> {
Oct 12 15:17:38.822 INFO kablam!     |                                       ^^^^^^ help: consider using `_writer` instead
Oct 12 15:17:38.822 INFO kablam!     |
Oct 12 15:17:38.822 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 15:17:38.822 INFO kablam! 
Oct 12 15:17:38.822 INFO kablam! warning: unused variable: `line`
Oct 12 15:17:38.822 INFO kablam!    --> src/htmlout.rs:371:30
Oct 12 15:17:38.822 INFO kablam!     |
Oct 12 15:17:38.822 INFO kablam! 371 |     fn start_line(&mut self, line: &ParseNode) {
Oct 12 15:17:38.822 INFO kablam!     |                              ^^^^ help: consider using `_line` instead
Oct 12 15:17:38.822 INFO kablam! 
Oct 12 15:17:38.909 INFO kablam! warning: variable does not need to be mutable
Oct 12 15:17:38.909 INFO kablam!    --> src/lexer.rs:132:13
Oct 12 15:17:38.909 INFO kablam!     |
Oct 12 15:17:38.910 INFO kablam! 132 |         let mut node = self.root.traverse(s.chars());
Oct 12 15:17:38.910 INFO kablam!     |             ----^^^^
Oct 12 15:17:38.910 INFO kablam!     |             |
Oct 12 15:17:38.910 INFO kablam!     |             help: remove this `mut`
Oct 12 15:17:38.911 INFO kablam!     |
Oct 12 15:17:38.911 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 15:17:38.911 INFO kablam! 
Oct 12 15:17:38.941 INFO kablam! warning: method is never used: `cur_info`
Oct 12 15:17:38.941 INFO kablam!    --> src/htmlout.rs:307:5
Oct 12 15:17:38.942 INFO kablam!     |
Oct 12 15:17:38.942 INFO kablam! 307 |     fn cur_info(&self) -> &ThmInfo {
Oct 12 15:17:38.942 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:17:38.942 INFO kablam!     |
Oct 12 15:17:38.942 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 15:17:38.943 INFO kablam! 
Oct 12 15:17:38.943 INFO kablam! warning: method is never used: `get_end`
Oct 12 15:17:38.943 INFO kablam!   --> src/parser.rs:44:5
Oct 12 15:17:38.943 INFO kablam!    |
Oct 12 15:17:38.944 INFO kablam! 44 |     pub fn get_end(&self) -> usize {
Oct 12 15:17:38.944 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:17:38.944 INFO kablam! 
Oct 12 15:17:38.945 INFO kablam! warning: field is never used: `session`
Oct 12 15:17:38.945 INFO kablam!    --> src/session.rs:566:5
Oct 12 15:17:38.945 INFO kablam!     |
Oct 12 15:17:38.945 INFO kablam! 566 |     session: &'b Session<'a>,
Oct 12 15:17:38.946 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:17:38.946 INFO kablam! 
Oct 12 15:17:39.136 INFO kablam! warning: method is never used: `cur_info`
Oct 12 15:17:39.137 INFO kablam!    --> src/htmlout.rs:307:5
Oct 12 15:17:39.137 INFO kablam!     |
Oct 12 15:17:39.137 INFO kablam! 307 |     fn cur_info(&self) -> &ThmInfo {
Oct 12 15:17:39.138 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:17:39.138 INFO kablam!     |
Oct 12 15:17:39.138 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 15:17:39.138 INFO kablam! 
Oct 12 15:17:39.139 INFO kablam! warning: method is never used: `get_end`
Oct 12 15:17:39.139 INFO kablam!   --> src/parser.rs:44:5
Oct 12 15:17:39.139 INFO kablam!    |
Oct 12 15:17:39.139 INFO kablam! 44 |     pub fn get_end(&self) -> usize {
Oct 12 15:17:39.140 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:17:39.140 INFO kablam! 
Oct 12 15:17:39.140 INFO kablam! warning: field is never used: `session`
Oct 12 15:17:39.140 INFO kablam!    --> src/session.rs:566:5
Oct 12 15:17:39.141 INFO kablam!     |
Oct 12 15:17:39.141 INFO kablam! 566 |     session: &'b Session<'a>,
Oct 12 15:17:39.141 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:17:39.142 INFO kablam! 
Oct 12 15:17:39.211 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
Oct 12 15:17:39.214 INFO kablam! su: No module specific data is present
Oct 12 15:17:40.133 INFO running `"docker" "rm" "-f" "e4915397ca906166cee5fe59a5b7b4bd67b5194aacfb1e77a2ba34d6c5633234"`
Oct 12 15:17:40.476 INFO blam! e4915397ca906166cee5fe59a5b7b4bd67b5194aacfb1e77a2ba34d6c5633234