[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b775a74f80d9e40546e6130089a8e1ca30f60a2b
[INFO] checking jeppester/rust-interpreter against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeppester%2Frust-interpreter" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeppester/rust-interpreter on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "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-8/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" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c76f22bc720c604a3fff0a28361fe4ef6286c40bc87793a9f90ded531c57039d
[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" "c76f22bc720c604a3fff0a28361fe4ef6286c40bc87793a9f90ded531c57039d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c76f22bc720c604a3fff0a28361fe4ef6286c40bc87793a9f90ded531c57039d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76f22bc720c604a3fff0a28361fe4ef6286c40bc87793a9f90ded531c57039d", kill_on_drop: false }`
[INFO] [stdout] c76f22bc720c604a3fff0a28361fe4ef6286c40bc87793a9f90ded531c57039d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d33635805e865b1366a1e8fe16607bbeb0ec5cfbda9d9013365694640a58357
[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" "2d33635805e865b1366a1e8fe16607bbeb0ec5cfbda9d9013365694640a58357", kill_on_drop: false }`
[INFO] [stderr]     Checking monkey-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lexer/mod.rs:68:7
[INFO] [stdout]    |
[INFO] [stdout] 68 |       ('0' <= ch && ch <= '9')
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lexer/mod.rs:68:7
[INFO] [stdout]    |
[INFO] [stdout] 68 |       ('0' <= ch && ch <= '9')
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` 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: 14 warnings emitted
[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: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "2d33635805e865b1366a1e8fe16607bbeb0ec5cfbda9d9013365694640a58357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d33635805e865b1366a1e8fe16607bbeb0ec5cfbda9d9013365694640a58357", kill_on_drop: false }`
[INFO] [stdout] 2d33635805e865b1366a1e8fe16607bbeb0ec5cfbda9d9013365694640a58357