[INFO] cloning repository https://github.com/jeppester/rust-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeppester/rust-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeppester%2Frust-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeppester%2Frust-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f50c02e85aae215253099b951b3ae5363c36224
[INFO] checking jeppester/rust-interpreter against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeppester%2Frust-interpreter" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeppester/rust-interpreter on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeppester/rust-interpreter
[INFO] finished tweaking git repo https://github.com/jeppester/rust-interpreter
[INFO] tweaked toml for git repo https://github.com/jeppester/rust-interpreter written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jeppester/rust-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c24047c539aa651a7c6979cf62e6cfb126282d22be154979bc06e1a20afb1097
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c24047c539aa651a7c6979cf62e6cfb126282d22be154979bc06e1a20afb1097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c24047c539aa651a7c6979cf62e6cfb126282d22be154979bc06e1a20afb1097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c24047c539aa651a7c6979cf62e6cfb126282d22be154979bc06e1a20afb1097", kill_on_drop: false }`
[INFO] [stdout] c24047c539aa651a7c6979cf62e6cfb126282d22be154979bc06e1a20afb1097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ee0bf8606b5fa93cc3078b8f79814a94946db16fc49f95f7bf5db3c3a6fdd13
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8ee0bf8606b5fa93cc3078b8f79814a94946db16fc49f95f7bf5db3c3a6fdd13", kill_on_drop: false }`
[INFO] [stderr]     Checking monkey-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `node` in this scope
[INFO] [stdout]   --> src/evaluator/tests.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |   eval(node: program)
[INFO] [stdout]    |        ^^^^ expecting a type here because of type ascription
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0573]: expected type, found local variable `program`
[INFO] [stdout]   --> src/evaluator/tests.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |   eval(node: program)
[INFO] [stdout]    |              ^^^^^^^ expecting a type here because of type ascription
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]  --> src/evaluator/mod.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn eval(node: &Statement) -> impl Object {
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `token_literal`
[INFO] [stdout]   --> src/ast/block_statement.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `token_literal`
[INFO] [stdout]   --> src/ast/boolean_literal.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `token_literal`
[INFO] [stdout]   --> src/ast/call_expression.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `token_literal`
[INFO] [stdout]   --> src/ast/function_literal.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `token_literal`
[INFO] [stdout]   --> src/ast/identifier.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `token_literal`
[INFO] [stdout]   --> src/ast/if_expression.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `token_literal`
[INFO] [stdout]   --> src/ast/infix_expression.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `token_literal`
[INFO] [stdout]   --> src/ast/integer_literal.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `token_literal`
[INFO] [stdout]   --> src/ast/prefix_expression.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `token_literal`
[INFO] [stdout]   --> src/ast/mod.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BlockStatement`
[INFO] [stdout]   --> src/ast/mod.rs:74:3
[INFO] [stdout]    |
[INFO] [stdout] 74 |   BlockStatement(BlockStatement),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `token_literal`
[INFO] [stdout]   --> src/ast/mod.rs:78:10
[INFO] [stdout]    |
[INFO] [stdout] 78 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `token_literal`
[INFO] [stdout]    --> src/ast/mod.rs:102:10
[INFO] [stdout]     |
[INFO] [stdout] 102 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]  --> src/object/mod.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |   pub fn to_string(&self) -> &str {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval`
[INFO] [stdout]  --> src/evaluator/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn eval(node: &Statement) -> impl Object {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0573.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monkey-interpreter`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8ee0bf8606b5fa93cc3078b8f79814a94946db16fc49f95f7bf5db3c3a6fdd13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ee0bf8606b5fa93cc3078b8f79814a94946db16fc49f95f7bf5db3c3a6fdd13", kill_on_drop: false }`
[INFO] [stdout] 8ee0bf8606b5fa93cc3078b8f79814a94946db16fc49f95f7bf5db3c3a6fdd13