Dec 13 06:30:21.305 INFO testing raphlinus/ghilbert against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 06:30:21.305 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 06:30:21.917 INFO [stdout] 6204cee170204d7788a3b6096c97e863ab0ba6d040a67e89fecb1b2993943897
Dec 13 06:30:21.919 INFO running `"docker" "start" "-a" "6204cee170204d7788a3b6096c97e863ab0ba6d040a67e89fecb1b2993943897"`
Dec 13 06:30:23.272 INFO [stderr] usermod: no changes
Dec 13 06:30:23.330 INFO [stderr]    Compiling union-find v0.3.1
Dec 13 06:30:23.339 INFO [stderr]    Compiling serde_json v1.0.2
Dec 13 06:30:27.227 INFO [stderr]    Compiling ghilbert v0.1.0 (/source)
Dec 13 06:30:27.679 INFO [stderr] warning: doc comment not used by rustdoc
Dec 13 06:30:27.679 INFO [stderr]    --> src/unify.rs:471:9
Dec 13 06:30:27.679 INFO [stderr]     |
Dec 13 06:30:27.679 INFO [stderr] 471 |         /// Maps node of bound var to set of term var nodes it can appear free in.
Dec 13 06:30:27.679 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:30:27.679 INFO [stderr]     |
Dec 13 06:30:27.679 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 13 06:30:27.679 INFO [stderr] 
Dec 13 06:30:28.232 INFO [stderr] warning: unused variable: `writer`
Dec 13 06:30:28.232 INFO [stderr]    --> src/htmlout.rs:128:39
Dec 13 06:30:28.232 INFO [stderr]     |
Dec 13 06:30:28.232 INFO [stderr] 128 |     pub fn write<W: Write>(&mut self, writer: &mut W, parser: &Parser) -> io::Result<()> {
Dec 13 06:30:28.232 INFO [stderr]     |                                       ^^^^^^ help: consider using `_writer` instead
Dec 13 06:30:28.232 INFO [stderr]     |
Dec 13 06:30:28.232 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 06:30:28.232 INFO [stderr] 
Dec 13 06:30:28.232 INFO [stderr] warning: unused variable: `line`
Dec 13 06:30:28.232 INFO [stderr]    --> src/htmlout.rs:371:30
Dec 13 06:30:28.232 INFO [stderr]     |
Dec 13 06:30:28.232 INFO [stderr] 371 |     fn start_line(&mut self, line: &ParseNode) {
Dec 13 06:30:28.232 INFO [stderr]     |                              ^^^^ help: consider using `_line` instead
Dec 13 06:30:28.232 INFO [stderr] 
Dec 13 06:30:28.299 INFO [stderr] warning: variable does not need to be mutable
Dec 13 06:30:28.299 INFO [stderr]    --> src/lexer.rs:132:13
Dec 13 06:30:28.299 INFO [stderr]     |
Dec 13 06:30:28.299 INFO [stderr] 132 |         let mut node = self.root.traverse(s.chars());
Dec 13 06:30:28.299 INFO [stderr]     |             ----^^^^
Dec 13 06:30:28.299 INFO [stderr]     |             |
Dec 13 06:30:28.299 INFO [stderr]     |             help: remove this `mut`
Dec 13 06:30:28.299 INFO [stderr]     |
Dec 13 06:30:28.299 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 06:30:28.299 INFO [stderr] 
Dec 13 06:30:28.511 INFO [stderr] warning: method is never used: `cur_info`
Dec 13 06:30:28.511 INFO [stderr]    --> src/htmlout.rs:307:5
Dec 13 06:30:28.511 INFO [stderr]     |
Dec 13 06:30:28.511 INFO [stderr] 307 |     fn cur_info(&self) -> &ThmInfo {
Dec 13 06:30:28.511 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:30:28.511 INFO [stderr]     |
Dec 13 06:30:28.511 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 13 06:30:28.511 INFO [stderr] 
Dec 13 06:30:28.511 INFO [stderr] warning: method is never used: `get_end`
Dec 13 06:30:28.511 INFO [stderr]   --> src/parser.rs:44:5
Dec 13 06:30:28.511 INFO [stderr]    |
Dec 13 06:30:28.511 INFO [stderr] 44 |     pub fn get_end(&self) -> usize {
Dec 13 06:30:28.511 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:30:28.511 INFO [stderr] 
Dec 13 06:30:28.511 INFO [stderr] warning: field is never used: `session`
Dec 13 06:30:28.511 INFO [stderr]    --> src/session.rs:566:5
Dec 13 06:30:28.511 INFO [stderr]     |
Dec 13 06:30:28.511 INFO [stderr] 566 |     session: &'b Session<'a>,
Dec 13 06:30:28.511 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:30:28.511 INFO [stderr] 
Dec 13 06:30:32.289 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.99s
Dec 13 06:30:32.294 INFO [stderr] su: No module specific data is present
Dec 13 06:30:32.876 INFO running `"docker" "inspect" "6204cee170204d7788a3b6096c97e863ab0ba6d040a67e89fecb1b2993943897"`
Dec 13 06:30:33.025 INFO running `"docker" "rm" "-f" "6204cee170204d7788a3b6096c97e863ab0ba6d040a67e89fecb1b2993943897"`
Dec 13 06:30:33.168 INFO [stdout] 6204cee170204d7788a3b6096c97e863ab0ba6d040a67e89fecb1b2993943897
Dec 13 06:30:33.175 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 06:30:33.475 INFO [stdout] b94ea76ef2143e45a91ad3e83734cec2c6683083c696d9d8a74ce8bdfa50eaa5
Dec 13 06:30:33.483 INFO running `"docker" "start" "-a" "b94ea76ef2143e45a91ad3e83734cec2c6683083c696d9d8a74ce8bdfa50eaa5"`
Dec 13 06:30:34.514 INFO [stderr] usermod: no changes
Dec 13 06:30:34.595 INFO [stderr]    Compiling ghilbert v0.1.0 (/source)
Dec 13 06:30:34.999 INFO [stderr] warning: doc comment not used by rustdoc
Dec 13 06:30:34.999 INFO [stderr]    --> src/unify.rs:471:9
Dec 13 06:30:34.999 INFO [stderr]     |
Dec 13 06:30:34.999 INFO [stderr] 471 |         /// Maps node of bound var to set of term var nodes it can appear free in.
Dec 13 06:30:34.999 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:30:34.999 INFO [stderr]     |
Dec 13 06:30:34.999 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 13 06:30:34.999 INFO [stderr] 
Dec 13 06:30:35.539 INFO [stderr] warning: unused variable: `writer`
Dec 13 06:30:35.539 INFO [stderr]    --> src/htmlout.rs:128:39
Dec 13 06:30:35.539 INFO [stderr]     |
Dec 13 06:30:35.539 INFO [stderr] 128 |     pub fn write<W: Write>(&mut self, writer: &mut W, parser: &Parser) -> io::Result<()> {
Dec 13 06:30:35.539 INFO [stderr]     |                                       ^^^^^^ help: consider using `_writer` instead
Dec 13 06:30:35.539 INFO [stderr]     |
Dec 13 06:30:35.539 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 06:30:35.539 INFO [stderr] 
Dec 13 06:30:35.539 INFO [stderr] warning: unused variable: `line`
Dec 13 06:30:35.539 INFO [stderr]    --> src/htmlout.rs:371:30
Dec 13 06:30:35.539 INFO [stderr]     |
Dec 13 06:30:35.539 INFO [stderr] 371 |     fn start_line(&mut self, line: &ParseNode) {
Dec 13 06:30:35.539 INFO [stderr]     |                              ^^^^ help: consider using `_line` instead
Dec 13 06:30:35.539 INFO [stderr] 
Dec 13 06:30:35.655 INFO [stderr] warning: variable does not need to be mutable
Dec 13 06:30:35.655 INFO [stderr]    --> src/lexer.rs:132:13
Dec 13 06:30:35.655 INFO [stderr]     |
Dec 13 06:30:35.655 INFO [stderr] 132 |         let mut node = self.root.traverse(s.chars());
Dec 13 06:30:35.655 INFO [stderr]     |             ----^^^^
Dec 13 06:30:35.655 INFO [stderr]     |             |
Dec 13 06:30:35.655 INFO [stderr]     |             help: remove this `mut`
Dec 13 06:30:35.655 INFO [stderr]     |
Dec 13 06:30:35.655 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 06:30:35.655 INFO [stderr] 
Dec 13 06:30:35.858 INFO [stderr] warning: method is never used: `cur_info`
Dec 13 06:30:35.858 INFO [stderr]    --> src/htmlout.rs:307:5
Dec 13 06:30:35.858 INFO [stderr]     |
Dec 13 06:30:35.858 INFO [stderr] 307 |     fn cur_info(&self) -> &ThmInfo {
Dec 13 06:30:35.858 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:30:35.858 INFO [stderr]     |
Dec 13 06:30:35.858 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 13 06:30:35.858 INFO [stderr] 
Dec 13 06:30:35.858 INFO [stderr] warning: method is never used: `get_end`
Dec 13 06:30:35.858 INFO [stderr]   --> src/parser.rs:44:5
Dec 13 06:30:35.858 INFO [stderr]    |
Dec 13 06:30:35.858 INFO [stderr] 44 |     pub fn get_end(&self) -> usize {
Dec 13 06:30:35.858 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:30:35.858 INFO [stderr] 
Dec 13 06:30:35.858 INFO [stderr] warning: field is never used: `session`
Dec 13 06:30:35.858 INFO [stderr]    --> src/session.rs:566:5
Dec 13 06:30:35.858 INFO [stderr]     |
Dec 13 06:30:35.858 INFO [stderr] 566 |     session: &'b Session<'a>,
Dec 13 06:30:35.858 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:30:35.859 INFO [stderr] 
Dec 13 06:30:36.128 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
Dec 13 06:30:36.128 INFO [stderr] su: No module specific data is present
Dec 13 06:30:36.712 INFO running `"docker" "inspect" "b94ea76ef2143e45a91ad3e83734cec2c6683083c696d9d8a74ce8bdfa50eaa5"`
Dec 13 06:30:36.910 INFO running `"docker" "rm" "-f" "b94ea76ef2143e45a91ad3e83734cec2c6683083c696d9d8a74ce8bdfa50eaa5"`
Dec 13 06:30:37.103 INFO [stdout] b94ea76ef2143e45a91ad3e83734cec2c6683083c696d9d8a74ce8bdfa50eaa5
Dec 13 06:30:37.111 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 06:30:37.408 INFO [stdout] 9a06c7300875eacd96903e35ab68f189d736580158f8eea243be29eee880e71e
Dec 13 06:30:37.413 INFO running `"docker" "start" "-a" "9a06c7300875eacd96903e35ab68f189d736580158f8eea243be29eee880e71e"`
Dec 13 06:30:38.150 INFO [stderr] usermod: no changes
Dec 13 06:30:38.196 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 06:30:38.196 INFO [stderr]      Running /target/debug/deps/ghilbert-2195c1b1c23468a9
Dec 13 06:30:38.200 INFO [stdout] 
Dec 13 06:30:38.200 INFO [stdout] running 0 tests
Dec 13 06:30:38.200 INFO [stdout] 
Dec 13 06:30:38.200 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 06:30:38.200 INFO [stdout] 
Dec 13 06:30:38.201 INFO [stderr] su: No module specific data is present
Dec 13 06:30:38.739 INFO running `"docker" "inspect" "9a06c7300875eacd96903e35ab68f189d736580158f8eea243be29eee880e71e"`
Dec 13 06:30:39.005 INFO running `"docker" "rm" "-f" "9a06c7300875eacd96903e35ab68f189d736580158f8eea243be29eee880e71e"`
Dec 13 06:30:39.303 INFO [stdout] 9a06c7300875eacd96903e35ab68f189d736580158f8eea243be29eee880e71e