[INFO] cloning repository https://github.com/DomParfitt/rlisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DomParfitt/rlisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDomParfitt%2Frlisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDomParfitt%2Frlisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3154b36b4a6fcda8808193e932cde4a69b3cb0e9
[INFO] checking DomParfitt/rlisp against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDomParfitt%2Frlisp" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DomParfitt/rlisp on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DomParfitt/rlisp
[INFO] finished tweaking git repo https://github.com/DomParfitt/rlisp
[INFO] tweaked toml for git repo https://github.com/DomParfitt/rlisp written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/DomParfitt/rlisp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f839bdc211972140134e2e6a8b6f8dbf0470ba4288e11e66b61204f8f934e01
[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" "0f839bdc211972140134e2e6a8b6f8dbf0470ba4288e11e66b61204f8f934e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f839bdc211972140134e2e6a8b6f8dbf0470ba4288e11e66b61204f8f934e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f839bdc211972140134e2e6a8b6f8dbf0470ba4288e11e66b61204f8f934e01", kill_on_drop: false }`
[INFO] [stdout] 0f839bdc211972140134e2e6a8b6f8dbf0470ba4288e11e66b61204f8f934e01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed0788de65868181309eca22ab7ca3f3bc01acc6df7349a0488980c9e2f999fa
[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" "ed0788de65868181309eca22ab7ca3f3bc01acc6df7349a0488980c9e2f999fa", kill_on_drop: false }`
[INFO] [stderr]     Checking rlisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/parser/error.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::lexer::{Token, TokenKind};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::evaluator::types::Type`
[INFO] [stdout]  --> src/repl/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::evaluator::types::Type;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/parser/error.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::lexer::{Token, TokenKind};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::evaluator::types::Type`
[INFO] [stdout]  --> src/repl/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::evaluator::types::Type;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/parser/mod.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 Err(err) => return expr,
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/evaluator/types.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Type::Fn(ref args, ref body, ref scope) => write!(f, "")
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/evaluator/types.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Type::Fn(ref args, ref body, ref scope) => write!(f, "")
[INFO] [stdout]    |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scope`
[INFO] [stdout]   --> src/evaluator/types.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Type::Fn(ref args, ref body, ref scope) => write!(f, "")
[INFO] [stdout]    |                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/parser/mod.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 Err(err) => return expr,
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/evaluator/types.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Type::Fn(ref args, ref body, ref scope) => write!(f, "")
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/evaluator/types.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Type::Fn(ref args, ref body, ref scope) => write!(f, "")
[INFO] [stdout]    |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scope`
[INFO] [stdout]   --> src/evaluator/types.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Type::Fn(ref args, ref body, ref scope) => write!(f, "")
[INFO] [stdout]    |                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FnDef`
[INFO] [stdout]  --> src/parser/grammar.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     FnDef(Box<Expr>, Box<Expr>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Base`
[INFO] [stdout]   --> src/parser/grammar.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Base(Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `def_fn`
[INFO] [stdout]    --> src/parser/mod.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn def_fn(&mut self) -> ParseResult {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/evaluator/scope.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(parent: RefCell<Scope>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Str`
[INFO] [stdout]   --> src/evaluator/types.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Str(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/evaluator/types.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Int(isize),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/evaluator/types.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FnDef`
[INFO] [stdout]  --> src/parser/grammar.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     FnDef(Box<Expr>, Box<Expr>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Base`
[INFO] [stdout]   --> src/parser/grammar.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Base(Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `def_fn`
[INFO] [stdout]    --> src/parser/mod.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn def_fn(&mut self) -> ParseResult {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/evaluator/scope.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(parent: RefCell<Scope>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Str`
[INFO] [stdout]   --> src/evaluator/types.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Str(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/evaluator/types.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Int(isize),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/evaluator/types.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "ed0788de65868181309eca22ab7ca3f3bc01acc6df7349a0488980c9e2f999fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed0788de65868181309eca22ab7ca3f3bc01acc6df7349a0488980c9e2f999fa", kill_on_drop: false }`
[INFO] [stdout] ed0788de65868181309eca22ab7ca3f3bc01acc6df7349a0488980c9e2f999fa