Dec 11 16:28:15.407 INFO checking jeramyRR/play-language against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 16:28:15.408 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 11 16:28:15.609 INFO [stdout] ae0f665c83b6ad332d1f6bdb4e50a2a8e8265264c3f2456771fe94dcc1f3fe8a
Dec 11 16:28:15.611 INFO running `"docker" "start" "-a" "ae0f665c83b6ad332d1f6bdb4e50a2a8e8265264c3f2456771fe94dcc1f3fe8a"`
Dec 11 16:28:16.027 INFO [stderr] usermod: no changes
Dec 11 16:28:16.064 INFO [stderr]     Checking memchr v1.0.1
Dec 11 16:28:16.382 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 11 16:28:17.044 INFO [stderr]     Checking regex v0.2.2
Dec 11 16:28:19.080 INFO [stderr]     Checking env_logger v0.4.3
Dec 11 16:28:19.080 INFO [stderr]     Checking lang v0.1.0 (/source)
Dec 11 16:28:19.624 INFO [stderr] warning: enum is never used: `ASTNodeType`
Dec 11 16:28:19.624 INFO [stderr]  --> src/parser.rs:4:1
Dec 11 16:28:19.624 INFO [stderr]   |
Dec 11 16:28:19.624 INFO [stderr] 4 | pub enum ASTNodeType {
Dec 11 16:28:19.624 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 11 16:28:19.624 INFO [stderr]   |
Dec 11 16:28:19.624 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 16:28:19.624 INFO [stderr] 
Dec 11 16:28:19.624 INFO [stderr] warning: struct is never constructed: `Node`
Dec 11 16:28:19.624 INFO [stderr]   --> src/parser.rs:11:1
Dec 11 16:28:19.624 INFO [stderr]    |
Dec 11 16:28:19.625 INFO [stderr] 11 | pub struct Node {
Dec 11 16:28:19.625 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 11 16:28:19.625 INFO [stderr] 
Dec 11 16:28:19.625 INFO [stderr] warning: struct is never constructed: `BaseNode`
Dec 11 16:28:19.625 INFO [stderr]   --> src/parser.rs:17:1
Dec 11 16:28:19.625 INFO [stderr]    |
Dec 11 16:28:19.625 INFO [stderr] 17 | pub struct BaseNode {
Dec 11 16:28:19.625 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 11 16:28:19.625 INFO [stderr] 
Dec 11 16:28:19.625 INFO [stderr] warning: enum is never used: `ASTNode`
Dec 11 16:28:19.625 INFO [stderr]   --> src/parser.rs:24:1
Dec 11 16:28:19.625 INFO [stderr]    |
Dec 11 16:28:19.625 INFO [stderr] 24 | pub enum ASTNode {
Dec 11 16:28:19.625 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 11 16:28:19.625 INFO [stderr] 
Dec 11 16:28:19.625 INFO [stderr] warning: struct is never constructed: `AST`
Dec 11 16:28:19.625 INFO [stderr]   --> src/parser.rs:30:1
Dec 11 16:28:19.625 INFO [stderr]    |
Dec 11 16:28:19.625 INFO [stderr] 30 | pub struct AST {
Dec 11 16:28:19.625 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 11 16:28:19.625 INFO [stderr] 
Dec 11 16:28:19.625 INFO [stderr] warning: function is never used: `parser`
Dec 11 16:28:19.625 INFO [stderr]   --> src/parser.rs:35:1
Dec 11 16:28:19.625 INFO [stderr]    |
Dec 11 16:28:19.625 INFO [stderr] 35 | pub fn parser(tokens: &[Token]) -> AST{
Dec 11 16:28:19.625 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:28:19.625 INFO [stderr] 
Dec 11 16:28:19.625 INFO [stderr] warning: function is never used: `walk`
Dec 11 16:28:19.625 INFO [stderr]   --> src/parser.rs:48:1
Dec 11 16:28:19.625 INFO [stderr]    |
Dec 11 16:28:19.625 INFO [stderr] 48 | fn walk(tokens: &[Token], current: &mut usize) -> Option<ASTNode> {
Dec 11 16:28:19.625 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:28:19.625 INFO [stderr] 
Dec 11 16:28:19.625 INFO [stderr] warning: function is never used: `token_value`
Dec 11 16:28:19.625 INFO [stderr]   --> src/parser.rs:87:1
Dec 11 16:28:19.625 INFO [stderr]    |
Dec 11 16:28:19.625 INFO [stderr] 87 | fn token_value(token: &Token) -> String {
Dec 11 16:28:19.625 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:28:19.625 INFO [stderr] 
Dec 11 16:28:20.845 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.81s
Dec 11 16:28:20.849 INFO [stderr] su: No module specific data is present
Dec 11 16:28:21.830 INFO running `"docker" "inspect" "ae0f665c83b6ad332d1f6bdb4e50a2a8e8265264c3f2456771fe94dcc1f3fe8a"`
Dec 11 16:28:22.196 INFO running `"docker" "rm" "-f" "ae0f665c83b6ad332d1f6bdb4e50a2a8e8265264c3f2456771fe94dcc1f3fe8a"`
Dec 11 16:28:22.526 INFO [stdout] ae0f665c83b6ad332d1f6bdb4e50a2a8e8265264c3f2456771fe94dcc1f3fe8a