[INFO] cloning repository https://github.com/alihsaas/neko
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alihsaas/neko" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falihsaas%2Fneko", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falihsaas%2Fneko'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45b616cbdb03763b7bdc345c20340027def67b75
[INFO] checking alihsaas/neko against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falihsaas%2Fneko" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alihsaas/neko
[INFO] finished tweaking git repo https://github.com/alihsaas/neko
[INFO] tweaked toml for git repo https://github.com/alihsaas/neko written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alihsaas/neko on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alihsaas/neko 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline-derive v0.4.0
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[INFO] [stderr]   Downloaded built v0.5.0
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[INFO] [stderr]   Downloaded serde_derive v1.0.126
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[INFO] [stderr]   Downloaded cargo-lock v6.0.1
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[INFO] [stderr]   Downloaded syn v1.0.72
[INFO] [stderr]   Downloaded git2 v0.13.19
[INFO] [stderr]   Downloaded nix v0.20.0
[INFO] [stderr]   Downloaded libgit2-sys v0.12.20+1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] db2314ad09063c24f7d206d4d6e5f9536bba4311421c6188dc5ea60b77040a99
[INFO] running `Command { std: "docker" "start" "db2314ad09063c24f7d206d4d6e5f9536bba4311421c6188dc5ea60b77040a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db2314ad09063c24f7d206d4d6e5f9536bba4311421c6188dc5ea60b77040a99", 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" "db2314ad09063c24f7d206d4d6e5f9536bba4311421c6188dc5ea60b77040a99" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db2314ad09063c24f7d206d4d6e5f9536bba4311421c6188dc5ea60b77040a99", 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" "db2314ad09063c24f7d206d4d6e5f9536bba4311421c6188dc5ea60b77040a99" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.27
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[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]    Compiling memchr v2.4.0
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[INFO] [stderr]    Compiling num-integer v0.1.44
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[INFO] [stderr]     Checking clap v2.33.3
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[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libgit2-sys v0.12.20+1.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling rustyline-derive v0.4.0
[INFO] [stderr]     Checking rustyline v8.2.0
[INFO] [stderr]     Checking git2 v0.13.19
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking semver v0.11.0
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[INFO] [stderr]     Checking cargo-lock v6.0.1
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[INFO] [stderr]    Compiling neko v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `enable_editor` is never used
[INFO] [stdout]   --> src/repl.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Repl {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn enable_editor(&mut self) {
[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 `analyze` is never used
[INFO] [stdout]    --> src/semantic_analyzer.rs:259:12
[INFO] [stdout]     |
[INFO] [stdout]  16 | impl SemanticAnalyzer {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 259 |     pub fn analyze(&mut self, node: &Node) -> SResult {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `symbol_type` are never read
[INFO] [stdout]  --> src/symbol.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct VarSymbol {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 3 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 4 |     pub symbol_type: TypeSymbol,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `VarSymbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `param` are never read
[INFO] [stdout]   --> src/symbol.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct FunctionSymbol {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout]  9 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 10 |     pub param: Vec<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionSymbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Number` is never constructed
[INFO] [stdout]   --> src/symbol.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum TypeSymbol {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 15 |     Number,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeSymbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/symbol.rs:21:15
[INFO] [stdout]    |
[INFO] [stdout] 21 |     VarSymbol(VarSymbol),
[INFO] [stdout]    |     --------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Symbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 21 -     VarSymbol(VarSymbol),
[INFO] [stdout] 21 +     VarSymbol(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/symbol.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     FunctionSymbol(FunctionSymbol),
[INFO] [stdout]    |     -------------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Symbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 -     FunctionSymbol(FunctionSymbol),
[INFO] [stdout] 23 +     FunctionSymbol(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scope_name` is never read
[INFO] [stdout]  --> src/symbol_table.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SymbolTable {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 6 |     pub symbols: HashMap<String, Symbol>,
[INFO] [stdout] 7 |     pub scope_name: String,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SymbolTable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/enviroment.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 15 |         function: fn(args: Vec<Value>) -> Result<Value, NekoError>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `enable_editor` is never used
[INFO] [stdout]   --> src/repl.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Repl {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn enable_editor(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `symbol_type` are never read
[INFO] [stdout]  --> src/symbol.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct VarSymbol {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 3 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 4 |     pub symbol_type: TypeSymbol,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `VarSymbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `param` are never read
[INFO] [stdout]   --> src/symbol.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct FunctionSymbol {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout]  9 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 10 |     pub param: Vec<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionSymbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Number` is never constructed
[INFO] [stdout]   --> src/symbol.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum TypeSymbol {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 15 |     Number,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeSymbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/symbol.rs:21:15
[INFO] [stdout]    |
[INFO] [stdout] 21 |     VarSymbol(VarSymbol),
[INFO] [stdout]    |     --------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Symbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 21 -     VarSymbol(VarSymbol),
[INFO] [stdout] 21 +     VarSymbol(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/symbol.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     FunctionSymbol(FunctionSymbol),
[INFO] [stdout]    |     -------------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Symbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 -     FunctionSymbol(FunctionSymbol),
[INFO] [stdout] 23 +     FunctionSymbol(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scope_name` is never read
[INFO] [stdout]  --> src/symbol_table.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SymbolTable {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 6 |     pub symbols: HashMap<String, Symbol>,
[INFO] [stdout] 7 |     pub scope_name: String,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SymbolTable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/enviroment.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 15 |         function: fn(args: Vec<Value>) -> Result<Value, NekoError>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `built`
[INFO] [stderr]   --> Cargo.toml:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 | [dependencies.built]
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `built`
[INFO] [stderr] warning: `neko` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.51s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cargo-lock v6.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "db2314ad09063c24f7d206d4d6e5f9536bba4311421c6188dc5ea60b77040a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db2314ad09063c24f7d206d4d6e5f9536bba4311421c6188dc5ea60b77040a99", kill_on_drop: false }`
[INFO] [stdout] db2314ad09063c24f7d206d4d6e5f9536bba4311421c6188dc5ea60b77040a99
