Dec 18 00:06:54.321 INFO checking fourohfour/enquel against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 00:06:54.321 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/fourohfour/enquel:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:06:54.804 INFO [stdout] 704f33c7a85c7e0947f25010a96a451c5563e2f85282fe70c3dec23f62728d64
Dec 18 00:06:54.806 INFO running `"docker" "start" "-a" "704f33c7a85c7e0947f25010a96a451c5563e2f85282fe70c3dec23f62728d64"`
Dec 18 00:06:57.232 INFO [stderr]     Checking enquel v0.1.0 (/opt/crater/workdir)
Dec 18 00:06:57.492 INFO [stderr] warning: unused import: `token`
Dec 18 00:06:57.492 INFO [stderr]  --> src/parse.rs:1:5
Dec 18 00:06:57.492 INFO [stderr]   |
Dec 18 00:06:57.492 INFO [stderr] 1 | use token;
Dec 18 00:06:57.492 INFO [stderr]   |     ^^^^^
Dec 18 00:06:57.492 INFO [stderr]   |
Dec 18 00:06:57.492 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 00:06:57.492 INFO [stderr] 
Dec 18 00:06:57.564 INFO [stderr] warning: unused import: `token`
Dec 18 00:06:57.564 INFO [stderr]  --> src/parse.rs:1:5
Dec 18 00:06:57.564 INFO [stderr]   |
Dec 18 00:06:57.564 INFO [stderr] 1 | use token;
Dec 18 00:06:57.564 INFO [stderr]   |     ^^^^^
Dec 18 00:06:57.564 INFO [stderr]   |
Dec 18 00:06:57.564 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 00:06:57.564 INFO [stderr] 
Dec 18 00:06:57.640 INFO [stderr] warning: unused variable: `tokens`
Dec 18 00:06:57.640 INFO [stderr]   --> src/main.rs:12:9
Dec 18 00:06:57.640 INFO [stderr]    |
Dec 18 00:06:57.640 INFO [stderr] 12 |     let tokens  = tokeniser::tokenise(&inbuf);
Dec 18 00:06:57.640 INFO [stderr]    |         ^^^^^^ help: consider using `_tokens` instead
Dec 18 00:06:57.640 INFO [stderr]    |
Dec 18 00:06:57.640 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 00:06:57.640 INFO [stderr] 
Dec 18 00:06:57.692 INFO [stderr] warning: field is never used: `slice`
Dec 18 00:06:57.692 INFO [stderr]   --> src/tokeniser.rs:10:5
Dec 18 00:06:57.692 INFO [stderr]    |
Dec 18 00:06:57.692 INFO [stderr] 10 |     slice : &'a str  ,
Dec 18 00:06:57.692 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 00:06:57.692 INFO [stderr]    |
Dec 18 00:06:57.692 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 00:06:57.692 INFO [stderr] 
Dec 18 00:06:57.692 INFO [stderr] warning: function is never used: `placeholder_origin`
Dec 18 00:06:57.692 INFO [stderr]   --> src/tokeniser.rs:43:1
Dec 18 00:06:57.692 INFO [stderr]    |
Dec 18 00:06:57.692 INFO [stderr] 43 | fn placeholder_origin() -> token::Origin {
Dec 18 00:06:57.692 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.692 INFO [stderr] 
Dec 18 00:06:57.693 INFO [stderr] warning: method is never used: `ungrab`
Dec 18 00:06:57.693 INFO [stderr]    --> src/tokeniser.rs:119:5
Dec 18 00:06:57.693 INFO [stderr]     |
Dec 18 00:06:57.693 INFO [stderr] 119 |     fn ungrab(&mut self) -> () {
Dec 18 00:06:57.693 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.693 INFO [stderr] 
Dec 18 00:06:57.693 INFO [stderr] warning: enum is never used: `ArgClass`
Dec 18 00:06:57.693 INFO [stderr]  --> src/parse.rs:5:1
Dec 18 00:06:57.693 INFO [stderr]   |
Dec 18 00:06:57.693 INFO [stderr] 5 | pub enum ArgClass {
Dec 18 00:06:57.693 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.693 INFO [stderr] 
Dec 18 00:06:57.693 INFO [stderr] warning: enum is never used: `LogicalBlock`
Dec 18 00:06:57.693 INFO [stderr]   --> src/parse.rs:12:1
Dec 18 00:06:57.693 INFO [stderr]    |
Dec 18 00:06:57.693 INFO [stderr] 12 | pub enum LogicalBlock {
Dec 18 00:06:57.693 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.693 INFO [stderr] 
Dec 18 00:06:57.693 INFO [stderr] warning: enum is never used: `EvaluatorType`
Dec 18 00:06:57.693 INFO [stderr]   --> src/parse.rs:21:1
Dec 18 00:06:57.693 INFO [stderr]    |
Dec 18 00:06:57.693 INFO [stderr] 21 | pub enum EvaluatorType {
Dec 18 00:06:57.693 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.693 INFO [stderr] 
Dec 18 00:06:57.693 INFO [stderr] warning: enum is never used: `ComparisonOperator`
Dec 18 00:06:57.693 INFO [stderr]   --> src/parse.rs:28:1
Dec 18 00:06:57.693 INFO [stderr]    |
Dec 18 00:06:57.693 INFO [stderr] 28 | pub enum ComparisonOperator {
Dec 18 00:06:57.693 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.693 INFO [stderr] 
Dec 18 00:06:57.705 INFO [stderr] warning: enum is never used: `NodeData`
Dec 18 00:06:57.705 INFO [stderr]   --> src/parse.rs:38:1
Dec 18 00:06:57.705 INFO [stderr]    |
Dec 18 00:06:57.705 INFO [stderr] 38 | pub enum NodeData {
Dec 18 00:06:57.705 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.705 INFO [stderr] 
Dec 18 00:06:57.705 INFO [stderr] warning: struct is never constructed: `Node`
Dec 18 00:06:57.705 INFO [stderr]   --> src/parse.rs:80:1
Dec 18 00:06:57.705 INFO [stderr]    |
Dec 18 00:06:57.705 INFO [stderr] 80 | pub struct Node {
Dec 18 00:06:57.705 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 18 00:06:57.705 INFO [stderr] 
Dec 18 00:06:57.705 INFO [stderr] warning: method is never used: `add_child`
Dec 18 00:06:57.705 INFO [stderr]   --> src/parse.rs:86:5
Dec 18 00:06:57.705 INFO [stderr]    |
Dec 18 00:06:57.705 INFO [stderr] 86 |     pub fn add_child(&mut self, c : Node) {
Dec 18 00:06:57.705 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.705 INFO [stderr] 
Dec 18 00:06:57.705 INFO [stderr] warning: method is never used: `new_child`
Dec 18 00:06:57.705 INFO [stderr]   --> src/parse.rs:90:5
Dec 18 00:06:57.705 INFO [stderr]    |
Dec 18 00:06:57.705 INFO [stderr] 90 |     pub fn new_child(&mut self, data: NodeData) {
Dec 18 00:06:57.705 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.705 INFO [stderr] 
Dec 18 00:06:57.705 INFO [stderr] warning: method is never used: `walk_display`
Dec 18 00:06:57.705 INFO [stderr]   --> src/parse.rs:95:5
Dec 18 00:06:57.705 INFO [stderr]    |
Dec 18 00:06:57.705 INFO [stderr] 95 |     fn walk_display(&self, depth: u32) {
Dec 18 00:06:57.705 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.705 INFO [stderr] 
Dec 18 00:06:57.705 INFO [stderr] warning: struct is never constructed: `Tree`
Dec 18 00:06:57.705 INFO [stderr]    --> src/parse.rs:104:1
Dec 18 00:06:57.705 INFO [stderr]     |
Dec 18 00:06:57.705 INFO [stderr] 104 | pub struct Tree {
Dec 18 00:06:57.705 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 18 00:06:57.705 INFO [stderr] 
Dec 18 00:06:57.705 INFO [stderr] warning: method is never used: `new`
Dec 18 00:06:57.706 INFO [stderr]    --> src/parse.rs:109:5
Dec 18 00:06:57.706 INFO [stderr]     |
Dec 18 00:06:57.706 INFO [stderr] 109 |     pub fn new() -> Tree {
Dec 18 00:06:57.706 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.706 INFO [stderr] 
Dec 18 00:06:57.711 INFO [stderr] warning: method is never used: `root`
Dec 18 00:06:57.711 INFO [stderr]    --> src/parse.rs:118:5
Dec 18 00:06:57.711 INFO [stderr]     |
Dec 18 00:06:57.711 INFO [stderr] 118 |     pub fn root<'rnode>(&'rnode mut self) -> &'rnode mut Node {
Dec 18 00:06:57.711 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.711 INFO [stderr] 
Dec 18 00:06:57.711 INFO [stderr] warning: method is never used: `walk`
Dec 18 00:06:57.711 INFO [stderr]    --> src/parse.rs:122:5
Dec 18 00:06:57.711 INFO [stderr]     |
Dec 18 00:06:57.711 INFO [stderr] 122 |     pub fn walk<'rnode>(&self) {
Dec 18 00:06:57.711 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.711 INFO [stderr] 
Dec 18 00:06:57.748 INFO [stderr] warning: unused variable: `tokens`
Dec 18 00:06:57.748 INFO [stderr]   --> src/main.rs:12:9
Dec 18 00:06:57.748 INFO [stderr]    |
Dec 18 00:06:57.748 INFO [stderr] 12 |     let tokens  = tokeniser::tokenise(&inbuf);
Dec 18 00:06:57.748 INFO [stderr]    |         ^^^^^^ help: consider using `_tokens` instead
Dec 18 00:06:57.748 INFO [stderr]    |
Dec 18 00:06:57.748 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 00:06:57.748 INFO [stderr] 
Dec 18 00:06:57.780 INFO [stderr] warning: field is never used: `slice`
Dec 18 00:06:57.780 INFO [stderr]   --> src/tokeniser.rs:10:5
Dec 18 00:06:57.780 INFO [stderr]    |
Dec 18 00:06:57.780 INFO [stderr] 10 |     slice : &'a str  ,
Dec 18 00:06:57.780 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 00:06:57.780 INFO [stderr]    |
Dec 18 00:06:57.780 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 00:06:57.780 INFO [stderr] 
Dec 18 00:06:57.780 INFO [stderr] warning: function is never used: `placeholder_origin`
Dec 18 00:06:57.780 INFO [stderr]   --> src/tokeniser.rs:43:1
Dec 18 00:06:57.780 INFO [stderr]    |
Dec 18 00:06:57.780 INFO [stderr] 43 | fn placeholder_origin() -> token::Origin {
Dec 18 00:06:57.780 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.780 INFO [stderr] 
Dec 18 00:06:57.780 INFO [stderr] warning: method is never used: `ungrab`
Dec 18 00:06:57.780 INFO [stderr]    --> src/tokeniser.rs:119:5
Dec 18 00:06:57.780 INFO [stderr]     |
Dec 18 00:06:57.780 INFO [stderr] 119 |     fn ungrab(&mut self) -> () {
Dec 18 00:06:57.780 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.780 INFO [stderr] 
Dec 18 00:06:57.780 INFO [stderr] warning: enum is never used: `ArgClass`
Dec 18 00:06:57.781 INFO [stderr]  --> src/parse.rs:5:1
Dec 18 00:06:57.781 INFO [stderr]   |
Dec 18 00:06:57.781 INFO [stderr] 5 | pub enum ArgClass {
Dec 18 00:06:57.781 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.781 INFO [stderr] 
Dec 18 00:06:57.781 INFO [stderr] warning: enum is never used: `LogicalBlock`
Dec 18 00:06:57.781 INFO [stderr]   --> src/parse.rs:12:1
Dec 18 00:06:57.781 INFO [stderr]    |
Dec 18 00:06:57.781 INFO [stderr] 12 | pub enum LogicalBlock {
Dec 18 00:06:57.781 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.781 INFO [stderr] 
Dec 18 00:06:57.781 INFO [stderr] warning: enum is never used: `EvaluatorType`
Dec 18 00:06:57.781 INFO [stderr]   --> src/parse.rs:21:1
Dec 18 00:06:57.781 INFO [stderr]    |
Dec 18 00:06:57.781 INFO [stderr] 21 | pub enum EvaluatorType {
Dec 18 00:06:57.781 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.781 INFO [stderr] 
Dec 18 00:06:57.781 INFO [stderr] warning: enum is never used: `ComparisonOperator`
Dec 18 00:06:57.781 INFO [stderr]   --> src/parse.rs:28:1
Dec 18 00:06:57.781 INFO [stderr]    |
Dec 18 00:06:57.781 INFO [stderr] 28 | pub enum ComparisonOperator {
Dec 18 00:06:57.781 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.781 INFO [stderr] 
Dec 18 00:06:57.781 INFO [stderr] warning: enum is never used: `NodeData`
Dec 18 00:06:57.781 INFO [stderr]   --> src/parse.rs:38:1
Dec 18 00:06:57.781 INFO [stderr]    |
Dec 18 00:06:57.781 INFO [stderr] 38 | pub enum NodeData {
Dec 18 00:06:57.781 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.781 INFO [stderr] 
Dec 18 00:06:57.781 INFO [stderr] warning: struct is never constructed: `Node`
Dec 18 00:06:57.781 INFO [stderr]   --> src/parse.rs:80:1
Dec 18 00:06:57.781 INFO [stderr]    |
Dec 18 00:06:57.781 INFO [stderr] 80 | pub struct Node {
Dec 18 00:06:57.781 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 18 00:06:57.781 INFO [stderr] 
Dec 18 00:06:57.781 INFO [stderr] warning: method is never used: `add_child`
Dec 18 00:06:57.781 INFO [stderr]   --> src/parse.rs:86:5
Dec 18 00:06:57.781 INFO [stderr]    |
Dec 18 00:06:57.781 INFO [stderr] 86 |     pub fn add_child(&mut self, c : Node) {
Dec 18 00:06:57.781 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.781 INFO [stderr] 
Dec 18 00:06:57.781 INFO [stderr] warning: method is never used: `new_child`
Dec 18 00:06:57.781 INFO [stderr]   --> src/parse.rs:90:5
Dec 18 00:06:57.781 INFO [stderr]    |
Dec 18 00:06:57.781 INFO [stderr] 90 |     pub fn new_child(&mut self, data: NodeData) {
Dec 18 00:06:57.781 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.781 INFO [stderr] 
Dec 18 00:06:57.782 INFO [stderr] warning: method is never used: `walk_display`
Dec 18 00:06:57.782 INFO [stderr]   --> src/parse.rs:95:5
Dec 18 00:06:57.782 INFO [stderr]    |
Dec 18 00:06:57.782 INFO [stderr] 95 |     fn walk_display(&self, depth: u32) {
Dec 18 00:06:57.782 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.782 INFO [stderr] 
Dec 18 00:06:57.782 INFO [stderr] warning: struct is never constructed: `Tree`
Dec 18 00:06:57.782 INFO [stderr]    --> src/parse.rs:104:1
Dec 18 00:06:57.782 INFO [stderr]     |
Dec 18 00:06:57.782 INFO [stderr] 104 | pub struct Tree {
Dec 18 00:06:57.782 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 18 00:06:57.782 INFO [stderr] 
Dec 18 00:06:57.782 INFO [stderr] warning: method is never used: `new`
Dec 18 00:06:57.782 INFO [stderr]    --> src/parse.rs:109:5
Dec 18 00:06:57.782 INFO [stderr]     |
Dec 18 00:06:57.782 INFO [stderr] 109 |     pub fn new() -> Tree {
Dec 18 00:06:57.782 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.782 INFO [stderr] 
Dec 18 00:06:57.782 INFO [stderr] warning: method is never used: `root`
Dec 18 00:06:57.782 INFO [stderr]    --> src/parse.rs:118:5
Dec 18 00:06:57.782 INFO [stderr]     |
Dec 18 00:06:57.782 INFO [stderr] 118 |     pub fn root<'rnode>(&'rnode mut self) -> &'rnode mut Node {
Dec 18 00:06:57.782 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.782 INFO [stderr] 
Dec 18 00:06:57.782 INFO [stderr] warning: method is never used: `walk`
Dec 18 00:06:57.782 INFO [stderr]    --> src/parse.rs:122:5
Dec 18 00:06:57.782 INFO [stderr]     |
Dec 18 00:06:57.782 INFO [stderr] 122 |     pub fn walk<'rnode>(&self) {
Dec 18 00:06:57.782 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:06:57.782 INFO [stderr] 
Dec 18 00:06:57.854 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 18 00:06:59.117 INFO running `"docker" "inspect" "704f33c7a85c7e0947f25010a96a451c5563e2f85282fe70c3dec23f62728d64"`
Dec 18 00:06:59.478 INFO running `"docker" "rm" "-f" "704f33c7a85c7e0947f25010a96a451c5563e2f85282fe70c3dec23f62728d64"`
Dec 18 00:06:59.752 INFO [stdout] 704f33c7a85c7e0947f25010a96a451c5563e2f85282fe70c3dec23f62728d64