[INFO] cloning repository https://github.com/EvanErcolano/rust-monkey
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EvanErcolano/rust-monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvanErcolano%2Frust-monkey"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvanErcolano%2Frust-monkey'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fce4b09796d96cdd84f11efebee98a1600363da5
[INFO] checking EvanErcolano/rust-monkey against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvanErcolano%2Frust-monkey" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EvanErcolano/rust-monkey on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/EvanErcolano/rust-monkey
[INFO] finished tweaking git repo https://github.com/EvanErcolano/rust-monkey
[INFO] tweaked toml for git repo https://github.com/EvanErcolano/rust-monkey written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/EvanErcolano/rust-monkey already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 02711e83276efe82063805cc04d7690dfa01f1d5b3899e9a0437e9a439c7a906
[INFO] running `"docker" "start" "-a" "02711e83276efe82063805cc04d7690dfa01f1d5b3899e9a0437e9a439c7a906"`
[INFO] [stderr]     Checking monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `is_identifier`
[INFO] [stderr]   --> src/token.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn is_identifier(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_assign`
[INFO] [stderr]   --> src/token.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn is_assign(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_semicolon`
[INFO] [stderr]   --> src/token.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn is_semicolon(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_program`
[INFO] [stderr]   --> src/parser.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn parse_program(&mut self) -> Program {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_statement`
[INFO] [stderr]   --> src/parser.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn parse_statement(&mut self) -> Option<Statement> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_let_statement`
[INFO] [stderr]   --> src/parser.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn parse_let_statement(&mut self) -> Option<Statement> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Program`
[INFO] [stderr]  --> src/ast.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Program {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expression`
[INFO] [stderr]   --> src/ast.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Expression,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Return`
[INFO] [stderr]   --> src/ast.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Return,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Let`
[INFO] [stderr]   --> src/ast.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Let {name: token::Token, value: Box<Expression>},
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IntegerLiteral`
[INFO] [stderr]   --> src/ast.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     IntegerLiteral(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InfixExpression`
[INFO] [stderr]   --> src/ast.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     InfixExpression { left: Box<Expression>, operator: token::Token, right: Box<Expression> },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `curToken` should have a snake case name
[INFO] [stderr]  --> src/parser.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     curToken: token::Token,
[INFO] [stderr]   |     ^^^^^^^^ help: convert the identifier to snake case: `cur_token`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `peekToken` should have a snake case name
[INFO] [stderr]  --> src/parser.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     peekToken: token::Token,
[INFO] [stderr]   |     ^^^^^^^^^ help: convert the identifier to snake case: `peek_token`
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_statement`
[INFO] [stderr]   --> src/parser.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn parse_statement(&mut self) -> Option<Statement> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expression`
[INFO] [stderr]   --> src/ast.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Expression,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Return`
[INFO] [stderr]   --> src/ast.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Return,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InfixExpression`
[INFO] [stderr]   --> src/ast.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     InfixExpression { left: Box<Expression>, operator: token::Token, right: Box<Expression> },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `curToken` should have a snake case name
[INFO] [stderr]  --> src/parser.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     curToken: token::Token,
[INFO] [stderr]   |     ^^^^^^^^ help: convert the identifier to snake case: `cur_token`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `peekToken` should have a snake case name
[INFO] [stderr]  --> src/parser.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     peekToken: token::Token,
[INFO] [stderr]   |     ^^^^^^^^^ help: convert the identifier to snake case: `peek_token`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "02711e83276efe82063805cc04d7690dfa01f1d5b3899e9a0437e9a439c7a906"`
[INFO] running `"docker" "rm" "-f" "02711e83276efe82063805cc04d7690dfa01f1d5b3899e9a0437e9a439c7a906"`
[INFO] [stdout] 02711e83276efe82063805cc04d7690dfa01f1d5b3899e9a0437e9a439c7a906