[INFO] cloning repository https://github.com/florianhartung/yyn-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/florianhartung/yyn-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorianhartung%2Fyyn-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorianhartung%2Fyyn-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd1365afb94e8ad8283f4f57941525e0a2774eff
[INFO] checking florianhartung/yyn-rs against 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa for pr-159356
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorianhartung%2Fyyn-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/florianhartung/yyn-rs
[INFO] finished tweaking git repo https://github.com/florianhartung/yyn-rs
[INFO] tweaked toml for git repo https://github.com/florianhartung/yyn-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/florianhartung/yyn-rs on toolchain 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/florianhartung/yyn-rs 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" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "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 thiserror-impl v1.0.49
[INFO] [stderr]   Downloaded thiserror v1.0.49
[INFO] [stderr]   Downloaded pest v2.7.4
[INFO] [stderr]   Downloaded ucd-trie v0.1.6
[INFO] [stderr]   Downloaded generational-arena v0.2.9
[INFO] [stderr]   Downloaded llvm-sys v130.1.2
[INFO] [stderr]   Downloaded regex v1.10.1
[INFO] [stderr]   Downloaded regex-automata v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 37908f45e647ec7812d8f735952f65ef8ba12714eb1caa0e1bca3c473a90b5fc
[INFO] running `Command { std: "docker" "start" "37908f45e647ec7812d8f735952f65ef8ba12714eb1caa0e1bca3c473a90b5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37908f45e647ec7812d8f735952f65ef8ba12714eb1caa0e1bca3c473a90b5fc", 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" "37908f45e647ec7812d8f735952f65ef8ba12714eb1caa0e1bca3c473a90b5fc" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37908f45e647ec7812d8f735952f65ef8ba12714eb1caa0e1bca3c473a90b5fc", 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" "37908f45e647ec7812d8f735952f65ef8ba12714eb1caa0e1bca3c473a90b5fc" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling inkwell v0.2.0 (https://github.com/TheDan64/inkwell?branch=master#7a09ad8a)
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]     Checking generational-arena v0.2.9
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling regex-automata v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling inkwell_internals v0.8.0 (https://github.com/TheDan64/inkwell?branch=master#7a09ad8a)
[INFO] [stderr]    Compiling pest v2.7.4
[INFO] [stderr]    Compiling regex v1.10.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling llvm-sys v130.1.2
[INFO] [stderr]     Checking yyn-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/compiler/symbol_table/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/compiler/symbol_table/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sym` is never read
[INFO] [stdout]   --> src/compiler/codegen/mod.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct CodegenContext<'cx> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 50 |     sym: Sym,
[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 `as_llvm_type` is never used
[INFO] [stdout]   --> src/compiler/codegen/types.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl ast::Type {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 43 |     pub fn as_llvm_type<'ctx>(
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_mut` is never used
[INFO] [stdout]   --> src/compiler/ref_arena.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl<T> ArenaRef<T> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn get_mut(&self) -> impl DerefMut<Target = T> + '_ {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_function_by_name` is never used
[INFO] [stdout]   --> src/compiler/symbol_table/function.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Sym {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] 24 |     /// Tries to find a function with specified name. Returns `None` if no function was found.
[INFO] [stdout] 25 |     pub fn get_function_by_name<'a>(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_function_by_name` is never used
[INFO] [stdout]   --> src/compiler/symbol_table/function.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl InnerSym {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn get_function_by_name<'a>(&'a self, name: &'_ str) -> Option<&'a ArenaRef<Function>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compiler/codegen/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         &mut self,
[INFO] [stdout]    |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 58 |         fn_sym: &ArenaRef<Function>,
[INFO] [stdout] 59 |     ) -> Result<FunctionValue> {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 |     ) -> Result<FunctionValue<'_>> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sym` is never read
[INFO] [stdout]   --> src/compiler/codegen/mod.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct CodegenContext<'cx> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 50 |     sym: Sym,
[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 `as_llvm_type` is never used
[INFO] [stdout]   --> src/compiler/codegen/types.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl ast::Type {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 43 |     pub fn as_llvm_type<'ctx>(
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_mut` is never used
[INFO] [stdout]   --> src/compiler/ref_arena.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl<T> ArenaRef<T> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn get_mut(&self) -> impl DerefMut<Target = T> + '_ {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_function_by_name` is never used
[INFO] [stdout]   --> src/compiler/symbol_table/function.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Sym {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] 24 |     /// Tries to find a function with specified name. Returns `None` if no function was found.
[INFO] [stdout] 25 |     pub fn get_function_by_name<'a>(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_function_by_name` is never used
[INFO] [stdout]   --> src/compiler/symbol_table/function.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl InnerSym {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn get_function_by_name<'a>(&'a self, name: &'_ str) -> Option<&'a ArenaRef<Function>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compiler/codegen/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         &mut self,
[INFO] [stdout]    |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 58 |         fn_sym: &ArenaRef<Function>,
[INFO] [stdout] 59 |     ) -> Result<FunctionValue> {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 |     ) -> Result<FunctionValue<'_>> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.86s
[INFO] running `Command { std: "docker" "inspect" "37908f45e647ec7812d8f735952f65ef8ba12714eb1caa0e1bca3c473a90b5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37908f45e647ec7812d8f735952f65ef8ba12714eb1caa0e1bca3c473a90b5fc", kill_on_drop: false }`
[INFO] [stdout] 37908f45e647ec7812d8f735952f65ef8ba12714eb1caa0e1bca3c473a90b5fc
