[INFO] updating cached repository fourohfour/enquel
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fourohfour/enquel
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fourohfour/enquel" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/fourohfour/enquel"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/fourohfour/enquel'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fourohfour/enquel" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/fourohfour/enquel"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/fourohfour/enquel'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0add6c82245dab3c7e4e03592fa12ea76b68a30f
[INFO] sha for GitHub repo fourohfour/enquel: 0add6c82245dab3c7e4e03592fa12ea76b68a30f
[INFO] validating manifest of fourohfour/enquel on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fourohfour/enquel on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fourohfour/enquel
[INFO] finished frobbing fourohfour/enquel
[INFO] frobbed toml for fourohfour/enquel written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/fourohfour/enquel/Cargo.toml
[INFO] started frobbing fourohfour/enquel
[INFO] finished frobbing fourohfour/enquel
[INFO] frobbed toml for fourohfour/enquel written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/fourohfour/enquel/Cargo.toml
[INFO] crate fourohfour/enquel already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking fourohfour/enquel against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-4/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/fourohfour/enquel:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 46fba8220f80bf593fdf2fbf2956d6523dff11055402ee155f4e1f81f7707a03
[INFO] running `"docker" "start" "-a" "46fba8220f80bf593fdf2fbf2956d6523dff11055402ee155f4e1f81f7707a03"`
[INFO] [stderr]     Checking enquel v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `token`
[INFO] [stderr]  --> src/parse.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use token;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `token`
[INFO] [stderr]  --> src/parse.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use token;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tokens`
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let tokens  = tokeniser::tokenise(&inbuf);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_tokens`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tokens`
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let tokens  = tokeniser::tokenise(&inbuf);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_tokens`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `slice`
[INFO] [stderr]   --> src/tokeniser.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     slice : &'a str  ,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `placeholder_origin`
[INFO] [stderr]   --> src/tokeniser.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn placeholder_origin() -> token::Origin {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ungrab`
[INFO] [stderr]    --> src/tokeniser.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn ungrab(&mut self) -> () {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ArgClass`
[INFO] [stderr]  --> src/parse.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum ArgClass {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `LogicalBlock`
[INFO] [stderr]   --> src/parse.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub enum LogicalBlock {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `EvaluatorType`
[INFO] [stderr]   --> src/parse.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub enum EvaluatorType {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ComparisonOperator`
[INFO] [stderr]   --> src/parse.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub enum ComparisonOperator {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `NodeData`
[INFO] [stderr]   --> src/parse.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub enum NodeData {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]   --> src/parse.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub struct Node {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_child`
[INFO] [stderr]   --> src/parse.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn add_child(&mut self, c : Node) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_child`
[INFO] [stderr]   --> src/parse.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn new_child(&mut self, data: NodeData) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `walk_display`
[INFO] [stderr]   --> src/parse.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn walk_display(&self, depth: u32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Tree`
[INFO] [stderr]    --> src/parse.rs:104:1
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub struct Tree {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parse.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn new() -> Tree {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `root`
[INFO] [stderr]    --> src/parse.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn root<'rnode>(&'rnode mut self) -> &'rnode mut Node {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `walk`
[INFO] [stderr]    --> src/parse.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn walk<'rnode>(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `slice`
[INFO] [stderr]   --> src/tokeniser.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     slice : &'a str  ,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `placeholder_origin`
[INFO] [stderr]   --> src/tokeniser.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn placeholder_origin() -> token::Origin {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ungrab`
[INFO] [stderr]    --> src/tokeniser.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn ungrab(&mut self) -> () {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ArgClass`
[INFO] [stderr]  --> src/parse.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum ArgClass {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `LogicalBlock`
[INFO] [stderr]   --> src/parse.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub enum LogicalBlock {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `EvaluatorType`
[INFO] [stderr]   --> src/parse.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub enum EvaluatorType {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ComparisonOperator`
[INFO] [stderr]   --> src/parse.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub enum ComparisonOperator {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `NodeData`
[INFO] [stderr]   --> src/parse.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub enum NodeData {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]   --> src/parse.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub struct Node {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_child`
[INFO] [stderr]   --> src/parse.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn add_child(&mut self, c : Node) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_child`
[INFO] [stderr]   --> src/parse.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn new_child(&mut self, data: NodeData) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `walk_display`
[INFO] [stderr]   --> src/parse.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn walk_display(&self, depth: u32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Tree`
[INFO] [stderr]    --> src/parse.rs:104:1
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub struct Tree {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parse.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn new() -> Tree {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `root`
[INFO] [stderr]    --> src/parse.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn root<'rnode>(&'rnode mut self) -> &'rnode mut Node {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `walk`
[INFO] [stderr]    --> src/parse.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn walk<'rnode>(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "46fba8220f80bf593fdf2fbf2956d6523dff11055402ee155f4e1f81f7707a03"`
[INFO] running `"docker" "rm" "-f" "46fba8220f80bf593fdf2fbf2956d6523dff11055402ee155f4e1f81f7707a03"`
[INFO] [stdout] 46fba8220f80bf593fdf2fbf2956d6523dff11055402ee155f4e1f81f7707a03