[INFO] updating cached repository jeramyRR/play-language
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jeramyRR/play-language
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jeramyRR/play-language" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/jeramyRR/play-language"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/jeramyRR/play-language'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jeramyRR/play-language" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/jeramyRR/play-language"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/jeramyRR/play-language'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b0ca9809a39e504c946328f5d2bb4ca8d1ee89e5
[INFO] sha for GitHub repo jeramyRR/play-language: b0ca9809a39e504c946328f5d2bb4ca8d1ee89e5
[INFO] validating manifest of jeramyRR/play-language 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 jeramyRR/play-language 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 jeramyRR/play-language
[INFO] finished frobbing jeramyRR/play-language
[INFO] frobbed toml for jeramyRR/play-language written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/jeramyRR/play-language/Cargo.toml
[INFO] started frobbing jeramyRR/play-language
[INFO] finished frobbing jeramyRR/play-language
[INFO] frobbed toml for jeramyRR/play-language written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/jeramyRR/play-language/Cargo.toml
[INFO] crate jeramyRR/play-language 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 jeramyRR/play-language against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-2/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/jeramyRR/play-language:/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] b8e9dd75ccee729b311e57b1bcd3cd39eb1fe6971df160fea28683ea1f68bb3c
[INFO] running `"docker" "start" "-a" "b8e9dd75ccee729b311e57b1bcd3cd39eb1fe6971df160fea28683ea1f68bb3c"`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking lang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: enum is never used: `ASTNodeType`
[INFO] [stderr]  --> src/parser.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum ASTNodeType {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]   --> src/parser.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Node {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BaseNode`
[INFO] [stderr]   --> src/parser.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct BaseNode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ASTNode`
[INFO] [stderr]   --> src/parser.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub enum ASTNode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `AST`
[INFO] [stderr]   --> src/parser.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct AST {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parser`
[INFO] [stderr]   --> src/parser.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn parser(tokens: &[Token]) -> AST{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk`
[INFO] [stderr]   --> src/parser.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn walk(tokens: &[Token], current: &mut usize) -> Option<ASTNode> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `token_value`
[INFO] [stderr]   --> src/parser.rs:87:1
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn token_value(token: &Token) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `"docker" "inspect" "b8e9dd75ccee729b311e57b1bcd3cd39eb1fe6971df160fea28683ea1f68bb3c"`
[INFO] running `"docker" "rm" "-f" "b8e9dd75ccee729b311e57b1bcd3cd39eb1fe6971df160fea28683ea1f68bb3c"`
[INFO] [stdout] b8e9dd75ccee729b311e57b1bcd3cd39eb1fe6971df160fea28683ea1f68bb3c