[INFO] cloning repository https://github.com/Phosphorus15/ruda
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Phosphorus15/ruda" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhosphorus15%2Fruda"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhosphorus15%2Fruda'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cb1c7dd4371a4ac547b31ee71729df63e2423a69
[INFO] checking Phosphorus15/ruda against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhosphorus15%2Fruda" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Phosphorus15/ruda on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Phosphorus15/ruda
[INFO] finished tweaking git repo https://github.com/Phosphorus15/ruda
[INFO] tweaked toml for git repo https://github.com/Phosphorus15/ruda written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Phosphorus15/ruda already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c7f1c9944c784a606d2f29f2f5705b6aed8a45c3231aaaa1848c08aa3d9a1b80
[INFO] running `"docker" "start" "-a" "c7f1c9944c784a606d2f29f2f5705b6aed8a45c3231aaaa1848c08aa3d9a1b80"`
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling semver-parser v0.6.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling semver v0.4.1
[INFO] [stderr]    Compiling llvm-sys v38.2.0
[INFO] [stderr]     Checking ruda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Add`
[INFO] [stderr]   --> src/main.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 | use std::ops::{Add, AddAssign};
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `llvm::link_time_optimizer::llvm_create_optimizer`
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use llvm::link_time_optimizer::llvm_create_optimizer;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/main.rs:98:36
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let mut ptr: *mut c_char = std::mem::uninitialized();
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Add`
[INFO] [stderr]   --> src/main.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 | use std::ops::{Add, AddAssign};
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `llvm::link_time_optimizer::llvm_create_optimizer`
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use llvm::link_time_optimizer::llvm_create_optimizer;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/main.rs:98:36
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let mut ptr: *mut c_char = std::mem::uninitialized();
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `body`
[INFO] [stderr]    --> src/parser.rs:188:24
[INFO] [stderr]     |
[INFO] [stderr] 188 | fn walk_if_cond_branch(body: RuleList) -> TypedExpr {
[INFO] [stderr]     |                        ^^^^ help: consider prefixing with an underscore: `_body`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/llvm_gen.rs:180:63
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 let func = selected.into_iter().take(1).find(|v| true).unwrap();
[INFO] [stderr]     |                                                               ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `target_ref` is never read
[INFO] [stderr]    --> src/llvm_gen.rs:156:25
[INFO] [stderr]     |
[INFO] [stderr] 156 |                 let mut target_ref: LLVMValueRef = null_mut();
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ret_val` is never read
[INFO] [stderr]    --> src/llvm_gen.rs:157:25
[INFO] [stderr]     |
[INFO] [stderr] 157 |                 let mut ret_val = TyName::Unit;
[INFO] [stderr]     |                         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `body`
[INFO] [stderr]    --> src/parser.rs:188:24
[INFO] [stderr]     |
[INFO] [stderr] 188 | fn walk_if_cond_branch(body: RuleList) -> TypedExpr {
[INFO] [stderr]     |                        ^^^^ help: consider prefixing with an underscore: `_body`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/llvm_gen.rs:180:63
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 let func = selected.into_iter().take(1).find(|v| true).unwrap();
[INFO] [stderr]     |                                                               ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `target_ref` is never read
[INFO] [stderr]    --> src/llvm_gen.rs:156:25
[INFO] [stderr]     |
[INFO] [stderr] 156 |                 let mut target_ref: LLVMValueRef = null_mut();
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ret_val` is never read
[INFO] [stderr]    --> src/llvm_gen.rs:157:25
[INFO] [stderr]     |
[INFO] [stderr] 157 |                 let mut ret_val = TyName::Unit;
[INFO] [stderr]     |                         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut file_list = vec!["src/arith.ru", "example.ru"];
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut file_list = vec!["src/arith.ru", "example.ru"];
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.42s
[INFO] running `"docker" "inspect" "c7f1c9944c784a606d2f29f2f5705b6aed8a45c3231aaaa1848c08aa3d9a1b80"`
[INFO] running `"docker" "rm" "-f" "c7f1c9944c784a606d2f29f2f5705b6aed8a45c3231aaaa1848c08aa3d9a1b80"`
[INFO] [stdout] c7f1c9944c784a606d2f29f2f5705b6aed8a45c3231aaaa1848c08aa3d9a1b80