[INFO] updating cached repository melbourne2991/rusty-lisp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/melbourne2991/rusty-lisp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/melbourne2991/rusty-lisp" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/melbourne2991/rusty-lisp"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/melbourne2991/rusty-lisp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/melbourne2991/rusty-lisp" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/melbourne2991/rusty-lisp"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/melbourne2991/rusty-lisp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7a103349103746bbe05cf57cff9ca13ba32801c
[INFO] sha for GitHub repo melbourne2991/rusty-lisp: b7a103349103746bbe05cf57cff9ca13ba32801c
[INFO] validating manifest of melbourne2991/rusty-lisp 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 melbourne2991/rusty-lisp 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 melbourne2991/rusty-lisp
[INFO] finished frobbing melbourne2991/rusty-lisp
[INFO] frobbed toml for melbourne2991/rusty-lisp written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/melbourne2991/rusty-lisp/Cargo.toml
[INFO] started frobbing melbourne2991/rusty-lisp
[INFO] finished frobbing melbourne2991/rusty-lisp
[INFO] frobbed toml for melbourne2991/rusty-lisp written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/melbourne2991/rusty-lisp/Cargo.toml
[INFO] crate melbourne2991/rusty-lisp 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 melbourne2991/rusty-lisp 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/melbourne2991/rusty-lisp:/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] dbed0e39a4f63e2d2698a2954e437aacc030762a479931e8f047d7b4ffeb292d
[INFO] running `"docker" "start" "-a" "dbed0e39a4f63e2d2698a2954e437aacc030762a479931e8f047d7b4ffeb292d"`
[INFO] [stderr]     Checking rusticle v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `ast`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let ast = compiler::parse(filenames);
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_ast`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_non_terminal`
[INFO] [stderr]   --> src/compiler/parse_tree.rs:41:3
[INFO] [stderr]    |
[INFO] [stderr] 41 |   pub fn as_non_terminal(&self) -> PTParentNode<'a> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_terminal`
[INFO] [stderr]    --> src/compiler/parse_tree.rs:115:3
[INFO] [stderr]     |
[INFO] [stderr] 115 |   pub fn get_terminal(&self, node_ref: usize) -> &Token {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Declaration`
[INFO] [stderr]   --> src/compiler/source_ast.rs:11:3
[INFO] [stderr]    |
[INFO] [stderr] 11 |   Declaration,
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `DeclarationBody`
[INFO] [stderr]   --> src/compiler/source_ast.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub enum DeclarationBody {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DeclarationNode`
[INFO] [stderr]   --> src/compiler/source_ast.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub struct DeclarationNode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/compiler/lexer.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |   Number(String),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ast`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let ast = compiler::parse(filenames);
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_ast`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_non_terminal`
[INFO] [stderr]   --> src/compiler/parse_tree.rs:41:3
[INFO] [stderr]    |
[INFO] [stderr] 41 |   pub fn as_non_terminal(&self) -> PTParentNode<'a> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_terminal`
[INFO] [stderr]    --> src/compiler/parse_tree.rs:115:3
[INFO] [stderr]     |
[INFO] [stderr] 115 |   pub fn get_terminal(&self, node_ref: usize) -> &Token {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Declaration`
[INFO] [stderr]   --> src/compiler/source_ast.rs:11:3
[INFO] [stderr]    |
[INFO] [stderr] 11 |   Declaration,
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `DeclarationBody`
[INFO] [stderr]   --> src/compiler/source_ast.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub enum DeclarationBody {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DeclarationNode`
[INFO] [stderr]   --> src/compiler/source_ast.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub struct DeclarationNode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/compiler/lexer.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |   Number(String),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "dbed0e39a4f63e2d2698a2954e437aacc030762a479931e8f047d7b4ffeb292d"`
[INFO] running `"docker" "rm" "-f" "dbed0e39a4f63e2d2698a2954e437aacc030762a479931e8f047d7b4ffeb292d"`
[INFO] [stdout] dbed0e39a4f63e2d2698a2954e437aacc030762a479931e8f047d7b4ffeb292d