[INFO] updating cached repository https://github.com/mazuschlag/tlox
[INFO] running `"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"`
[INFO] [stderr] From https://github.com/mazuschlag/tlox
[INFO] [stderr]    a5bf00c..3fc2b12  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3fc2b1294245d9f8e8c34fc698bb8a70a83b74ca
[INFO] checking mazuschlag/tlox against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazuschlag%2Ftlox" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mazuschlag/tlox on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mazuschlag/tlox
[INFO] finished tweaking git repo https://github.com/mazuschlag/tlox
[INFO] tweaked toml for git repo https://github.com/mazuschlag/tlox written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mazuschlag/tlox already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] 761c1a6ad75f283f0e78313e4da11a647d03dffd07834e8baf97065cd269730d
[INFO] running `"docker" "start" "-a" "761c1a6ad75f283f0e78313e4da11a647d03dffd07834e8baf97065cd269730d"`
[INFO] [stderr]     Checking tlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `Interpreter`
[INFO] [stderr]  --> src/interpreter/interpreter.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Interpreter;
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `visit`
[INFO] [stderr]  --> src/interpreter/interpreter.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn visit(&self, expr: &Expr) -> Literal {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `visit_binary_expr`
[INFO] [stderr]   --> src/interpreter/interpreter.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn visit_binary_expr(&self, left: &Expr, operator: &Token, right: &Expr) -> Literal {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `visit_literal`
[INFO] [stderr]   --> src/interpreter/interpreter.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn visit_literal(&self, value: Literal) -> Literal {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `visit_unary_expr`
[INFO] [stderr]   --> src/interpreter/interpreter.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn visit_unary_expr(&self, operator: &Token, expr: &Expr) -> Literal {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `visit_grouping_expr`
[INFO] [stderr]   --> src/interpreter/interpreter.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn visit_grouping_expr(&self, group: &Expr) -> Literal {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `calculate_number`
[INFO] [stderr]   --> src/interpreter/interpreter.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn calculate_number(&self, left: &Literal, operator: TokenType, right: &Literal) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `calculate_bool`
[INFO] [stderr]   --> src/interpreter/interpreter.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn calculate_bool(&self, left: &Literal, operator: TokenType, right: &Literal) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_truthy`
[INFO] [stderr]   --> src/interpreter/interpreter.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn is_truthy(&self, value: Literal) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_equal`
[INFO] [stderr]    --> src/interpreter/interpreter.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn is_equal(&self, left: Literal, right: Literal) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Interpreter`
[INFO] [stderr]  --> src/interpreter/interpreter.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Interpreter;
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `visit`
[INFO] [stderr]  --> src/interpreter/interpreter.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn visit(&self, expr: &Expr) -> Literal {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `visit_binary_expr`
[INFO] [stderr]   --> src/interpreter/interpreter.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn visit_binary_expr(&self, left: &Expr, operator: &Token, right: &Expr) -> Literal {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `visit_literal`
[INFO] [stderr]   --> src/interpreter/interpreter.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn visit_literal(&self, value: Literal) -> Literal {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `visit_unary_expr`
[INFO] [stderr]   --> src/interpreter/interpreter.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn visit_unary_expr(&self, operator: &Token, expr: &Expr) -> Literal {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `visit_grouping_expr`
[INFO] [stderr]   --> src/interpreter/interpreter.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn visit_grouping_expr(&self, group: &Expr) -> Literal {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `calculate_number`
[INFO] [stderr]   --> src/interpreter/interpreter.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn calculate_number(&self, left: &Literal, operator: TokenType, right: &Literal) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `calculate_bool`
[INFO] [stderr]   --> src/interpreter/interpreter.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn calculate_bool(&self, left: &Literal, operator: TokenType, right: &Literal) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_truthy`
[INFO] [stderr]   --> src/interpreter/interpreter.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn is_truthy(&self, value: Literal) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_equal`
[INFO] [stderr]    --> src/interpreter/interpreter.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn is_equal(&self, left: Literal, right: Literal) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "761c1a6ad75f283f0e78313e4da11a647d03dffd07834e8baf97065cd269730d"`
[INFO] running `"docker" "rm" "-f" "761c1a6ad75f283f0e78313e4da11a647d03dffd07834e8baf97065cd269730d"`
[INFO] [stdout] 761c1a6ad75f283f0e78313e4da11a647d03dffd07834e8baf97065cd269730d