[INFO] cloning repository https://github.com/hemantgouni/macaroni
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hemantgouni/macaroni" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemantgouni%2Fmacaroni", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemantgouni%2Fmacaroni'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e7dfbc2743f9c529e21225cc4cf55bf76028f6d
[INFO] checking hemantgouni/macaroni against try#2e32e486ee7945e4b905ff82d6bf81ef77d60daa for pr-113895-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemantgouni%2Fmacaroni" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hemantgouni/macaroni on toolchain 2e32e486ee7945e4b905ff82d6bf81ef77d60daa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e32e486ee7945e4b905ff82d6bf81ef77d60daa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hemantgouni/macaroni
[INFO] finished tweaking git repo https://github.com/hemantgouni/macaroni
[INFO] tweaked toml for git repo https://github.com/hemantgouni/macaroni written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hemantgouni/macaroni already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e32e486ee7945e4b905ff82d6bf81ef77d60daa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+2e32e486ee7945e4b905ff82d6bf81ef77d60daa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f590dcd501ae62256deeb335c3391ade7d5aaeaf189cdb3620a3fd3701873247
[INFO] running `Command { std: "docker" "start" "-a" "f590dcd501ae62256deeb335c3391ade7d5aaeaf189cdb3620a3fd3701873247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f590dcd501ae62256deeb335c3391ade7d5aaeaf189cdb3620a3fd3701873247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f590dcd501ae62256deeb335c3391ade7d5aaeaf189cdb3620a3fd3701873247", kill_on_drop: false }`
[INFO] [stdout] f590dcd501ae62256deeb335c3391ade7d5aaeaf189cdb3620a3fd3701873247
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+2e32e486ee7945e4b905ff82d6bf81ef77d60daa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70d823f2c864640b30ce45962ffacb76c287ed783faac26c98192c9a6cbb9a64
[INFO] running `Command { std: "docker" "start" "-a" "70d823f2c864640b30ce45962ffacb76c287ed783faac26c98192c9a6cbb9a64", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking macaroni v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]    --> src/check/poly.rs:222:19
[INFO] [stdout]     |
[INFO] [stdout] 222 |         (AST::Let(var, assigned_expr, body_expr), _) => todo!(),
[INFO] [stdout]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `assigned_expr`
[INFO] [stdout]    --> src/check/poly.rs:222:24
[INFO] [stdout]     |
[INFO] [stdout] 222 |         (AST::Let(var, assigned_expr, body_expr), _) => todo!(),
[INFO] [stdout]     |                        ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assigned_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body_expr`
[INFO] [stdout]    --> src/check/poly.rs:222:39
[INFO] [stdout]     |
[INFO] [stdout] 222 |         (AST::Let(var, assigned_expr, body_expr), _) => todo!(),
[INFO] [stdout]     |                                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_body_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evaluate` is never used
[INFO] [stdout]  --> src/evaluate.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn evaluate(Toplevel(forms): Toplevel) -> Result<Lit, String> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evaluate_top` is never used
[INFO] [stdout]  --> src/evaluate.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn evaluate_top(forms: Vec<AST>, mut environment: Env<AST>) -> Result<Lit, String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]    --> src/check/poly.rs:222:19
[INFO] [stdout]     |
[INFO] [stdout] 222 |         (AST::Let(var, assigned_expr, body_expr), _) => todo!(),
[INFO] [stdout]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `assigned_expr`
[INFO] [stdout]    --> src/check/poly.rs:222:24
[INFO] [stdout]     |
[INFO] [stdout] 222 |         (AST::Let(var, assigned_expr, body_expr), _) => todo!(),
[INFO] [stdout]     |                        ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assigned_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body_expr`
[INFO] [stdout]    --> src/check/poly.rs:222:39
[INFO] [stdout]     |
[INFO] [stdout] 222 |         (AST::Let(var, assigned_expr, body_expr), _) => todo!(),
[INFO] [stdout]     |                                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_body_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `Command { std: "docker" "inspect" "70d823f2c864640b30ce45962ffacb76c287ed783faac26c98192c9a6cbb9a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d823f2c864640b30ce45962ffacb76c287ed783faac26c98192c9a6cbb9a64", kill_on_drop: false }`
[INFO] [stdout] 70d823f2c864640b30ce45962ffacb76c287ed783faac26c98192c9a6cbb9a64