[INFO] cloning repository https://github.com/Phosphorus15/ruda [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhosphorus15%2Fruda'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1634aa427e15c4eec03770c8508690618f5b882e [INFO] checking Phosphorus15/ruda against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhosphorus15%2Fruda" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Phosphorus15/ruda on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-0/source/Cargo.toml [INFO] crate git repo https://github.com/Phosphorus15/ruda already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded semver-parser v0.6.2 [INFO] [stderr] Downloaded semver v0.4.1 [INFO] [stderr] Downloaded llvm-sys v38.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cdcaf7e8ef616b7db20295e1a1eecf6072b60bc94e8d1907b5aef9fbc8840ed7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cdcaf7e8ef616b7db20295e1a1eecf6072b60bc94e8d1907b5aef9fbc8840ed7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cdcaf7e8ef616b7db20295e1a1eecf6072b60bc94e8d1907b5aef9fbc8840ed7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cdcaf7e8ef616b7db20295e1a1eecf6072b60bc94e8d1907b5aef9fbc8840ed7", kill_on_drop: false }` [INFO] [stdout] cdcaf7e8ef616b7db20295e1a1eecf6072b60bc94e8d1907b5aef9fbc8840ed7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 264bf3184afdb7f09b9f936c335f6667bd32402b5c2c80ef854bdebd9f693bd5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "264bf3184afdb7f09b9f936c335f6667bd32402b5c2c80ef854bdebd9f693bd5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling ucd-trie v0.1.2 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking strsim v0.9.2 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking pest v2.1.1 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling pest_meta v2.1.1 [INFO] [stderr] Compiling semver-parser v0.6.2 [INFO] [stderr] Compiling semver v0.4.1 [INFO] [stderr] Compiling pest_generator v2.1.0 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Compiling llvm-sys v38.2.0 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Checking docopt v1.1.0 [INFO] [stderr] Checking ruda v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `llvm::link_time_optimizer::llvm_create_optimizer` [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use llvm::link_time_optimizer::llvm_create_optimizer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `llvm::link_time_optimizer::llvm_create_optimizer` [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use llvm::link_time_optimizer::llvm_create_optimizer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/main.rs:155:36 [INFO] [stdout] | [INFO] [stdout] 155 | let mut ptr: *mut c_char = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/main.rs:155:36 [INFO] [stdout] | [INFO] [stdout] 155 | let mut ptr: *mut c_char = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `body` [INFO] [stdout] --> src/parser.rs:191:24 [INFO] [stdout] | [INFO] [stdout] 191 | fn walk_if_cond_branch(body: RuleList) -> TypedExpr { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/llvm_gen.rs:181:63 [INFO] [stdout] | [INFO] [stdout] 181 | let func = selected.into_iter().take(1).find(|v| true).unwrap_or_else(|| panic!("Identifier not in scope: `{}`", ident)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `target_ref` is never read [INFO] [stdout] --> src/llvm_gen.rs:157:21 [INFO] [stdout] | [INFO] [stdout] 157 | let mut target_ref: LLVMValueRef = null_mut(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ret_val` is never read [INFO] [stdout] --> src/llvm_gen.rs:158:21 [INFO] [stdout] | [INFO] [stdout] 158 | let mut ret_val = TyName::Unit; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `body` [INFO] [stdout] --> src/parser.rs:191:24 [INFO] [stdout] | [INFO] [stdout] 191 | fn walk_if_cond_branch(body: RuleList) -> TypedExpr { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/llvm_gen.rs:181:63 [INFO] [stdout] | [INFO] [stdout] 181 | let func = selected.into_iter().take(1).find(|v| true).unwrap_or_else(|| panic!("Identifier not in scope: `{}`", ident)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `target_ref` is never read [INFO] [stdout] --> src/llvm_gen.rs:157:21 [INFO] [stdout] | [INFO] [stdout] 157 | let mut target_ref: LLVMValueRef = null_mut(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ret_val` is never read [INFO] [stdout] --> src/llvm_gen.rs:158:21 [INFO] [stdout] | [INFO] [stdout] 158 | let mut ret_val = TyName::Unit; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | let mut file_list = files.iter().map(|f| std::path::PathBuf::from(&f[..])); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | let mut file_list = files.iter().map(|f| std::path::PathBuf::from(&f[..])); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/llvm_gen.rs:209:9 [INFO] [stdout] | [INFO] [stdout] 209 | let mut params = typed_params.into_iter().map(|v| v.0).collect::>(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/llvm_gen.rs:209:9 [INFO] [stdout] | [INFO] [stdout] 209 | let mut params = typed_params.into_iter().map(|v| v.0).collect::>(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pool.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut this = unsafe { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pool.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut this = unsafe { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 50.11s [INFO] running `Command { std: "docker" "inspect" "264bf3184afdb7f09b9f936c335f6667bd32402b5c2c80ef854bdebd9f693bd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "264bf3184afdb7f09b9f936c335f6667bd32402b5c2c80ef854bdebd9f693bd5", kill_on_drop: false }` [INFO] [stdout] 264bf3184afdb7f09b9f936c335f6667bd32402b5c2c80ef854bdebd9f693bd5