[INFO] cloning repository https://github.com/charzhu/lemon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charzhu/lemon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharzhu%2Flemon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharzhu%2Flemon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 112d0ae8a7f35fe7d01b0100af214dc0fe0d1b22
[INFO] checking charzhu/lemon/112d0ae8a7f35fe7d01b0100af214dc0fe0d1b22 against c999cef531ea9059e189e82fe0e82c5daf249bc9 for pr-160904
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharzhu%2Flemon" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/charzhu/lemon
[INFO] finished tweaking git repo https://github.com/charzhu/lemon
[INFO] tweaked toml for git repo https://github.com/charzhu/lemon written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/charzhu/lemon on toolchain c999cef531ea9059e189e82fe0e82c5daf249bc9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/charzhu/lemon 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" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a25c97563856be002bb9203ad255354954885a00007df3df6c24d1454c913934
[INFO] running `Command { std: "docker" "start" "a25c97563856be002bb9203ad255354954885a00007df3df6c24d1454c913934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a25c97563856be002bb9203ad255354954885a00007df3df6c24d1454c913934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a25c97563856be002bb9203ad255354954885a00007df3df6c24d1454c913934" "/opt/rustwide/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a25c97563856be002bb9203ad255354954885a00007df3df6c24d1454c913934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a25c97563856be002bb9203ad255354954885a00007df3df6c24d1454c913934" "/opt/rustwide/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]     Checking smallvec v1.15.1
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[INFO] [stderr]    Compiling cc v1.2.55
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.111.5
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[INFO] [stderr]     Checking lemon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]     --> src/runtime/interpreter.rs:1203:37
[INFO] [stdout]      |
[INFO] [stdout] 1203 |                     Value::Struct { name, mut fields } => {
[INFO] [stdout]      |                                     ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter_ty`
[INFO] [stdout]    --> src/types/check.rs:458:21
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 let iter_ty = self.check_expr(iter);
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iter_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/types/check.rs:496:31
[INFO] [stdout]     |
[INFO] [stdout] 496 |             Expr::Try { expr, span } => {
[INFO] [stdout]     |                               ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/types/check.rs:503:33
[INFO] [stdout]     |
[INFO] [stdout] 503 |             Expr::Await { expr, span } => {
[INFO] [stdout]     |                                 ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/types/check.rs:668:36
[INFO] [stdout]     |
[INFO] [stdout] 668 |             ast::Type::Array(elem, size, _) => {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/codegen/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct CodeGen {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 33 |     config: CodeGenConfig,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_any` is never used
[INFO] [stdout]    --> src/parser/mod.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout]  50 | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn check_any(&self, tokens: &[Token]) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `traits` and `impls` are never read
[INFO] [stdout]    --> src/types/mod.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout]  96 | pub struct TypeEnv {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 107 |     traits: HashMap<String, TraitDef>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     impls: Vec<ImplDef>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TypeEnv` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]     --> src/runtime/interpreter.rs:1203:37
[INFO] [stdout]      |
[INFO] [stdout] 1203 |                     Value::Struct { name, mut fields } => {
[INFO] [stdout]      |                                     ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter_ty`
[INFO] [stdout]    --> src/types/check.rs:458:21
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 let iter_ty = self.check_expr(iter);
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iter_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/types/check.rs:496:31
[INFO] [stdout]     |
[INFO] [stdout] 496 |             Expr::Try { expr, span } => {
[INFO] [stdout]     |                               ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/types/check.rs:503:33
[INFO] [stdout]     |
[INFO] [stdout] 503 |             Expr::Await { expr, span } => {
[INFO] [stdout]     |                                 ^^^^ help: try ignoring the field: `span: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/types/check.rs:668:36
[INFO] [stdout]     |
[INFO] [stdout] 668 |             ast::Type::Array(elem, size, _) => {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/codegen/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct CodeGen {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 33 |     config: CodeGenConfig,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_any` is never used
[INFO] [stdout]    --> src/parser/mod.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout]  50 | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn check_any(&self, tokens: &[Token]) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `traits` and `impls` are never read
[INFO] [stdout]    --> src/types/mod.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout]  96 | pub struct TypeEnv {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 107 |     traits: HashMap<String, TraitDef>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     impls: Vec<ImplDef>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TypeEnv` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `ariadne`
[INFO] [stderr]  --> Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | ariadne = "0.4"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `ariadne`
[INFO] [stderr] warning: unused dependency `chumsky`
[INFO] [stderr]  --> Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | chumsky = "0.9"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `chumsky`
[INFO] [stderr] warning: unused dependency `cranelift`
[INFO] [stderr]  --> Cargo.toml:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | cranelift = "0.111"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `cranelift`
[INFO] [stderr] warning: unused dependency `cranelift-jit`
[INFO] [stderr]  --> Cargo.toml:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | cranelift-jit = "0.111"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `cranelift-jit`
[INFO] [stderr] warning: `lemon` (manifest) generated 4 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "a25c97563856be002bb9203ad255354954885a00007df3df6c24d1454c913934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a25c97563856be002bb9203ad255354954885a00007df3df6c24d1454c913934", kill_on_drop: false }`
[INFO] [stdout] a25c97563856be002bb9203ad255354954885a00007df3df6c24d1454c913934
