[INFO] cloning repository https://github.com/ExPixel/bf [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ExPixel/bf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExPixel%2Fbf", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExPixel%2Fbf'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2599d0470700c337be623c40a5f0b4fac32c1e85 [INFO] checking ExPixel/bf against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExPixel%2Fbf" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ExPixel/bf on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ExPixel/bf [INFO] finished tweaking git repo https://github.com/ExPixel/bf [INFO] tweaked toml for git repo https://github.com/ExPixel/bf written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/ExPixel/bf already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded gcc v0.3.49 [INFO] [stderr] Downloaded llvm-sys v40.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 44fb02a52c109b80fca366bc2dc4024db88faf1e3fb68088ecd80344b4e35be2 [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" "44fb02a52c109b80fca366bc2dc4024db88faf1e3fb68088ecd80344b4e35be2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "44fb02a52c109b80fca366bc2dc4024db88faf1e3fb68088ecd80344b4e35be2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44fb02a52c109b80fca366bc2dc4024db88faf1e3fb68088ecd80344b4e35be2", kill_on_drop: false }` [INFO] [stdout] 44fb02a52c109b80fca366bc2dc4024db88faf1e3fb68088ecd80344b4e35be2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a0082201c007a8949ef7b9b862deb78055265ad70e0a34a9ed07eb8ec662170 [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" "6a0082201c007a8949ef7b9b862deb78055265ad70e0a34a9ed07eb8ec662170", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.23 [INFO] [stderr] Compiling regex-syntax v0.4.1 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling lazy_static v0.2.8 [INFO] [stderr] Compiling gcc v0.3.49 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking bitflags v0.8.2 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking unicode-segmentation v1.2.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Compiling unreachable v0.1.1 [INFO] [stderr] Checking term_size v0.3.0 [INFO] [stderr] Checking atty v0.2.2 [INFO] [stderr] Compiling semver v0.6.0 [INFO] [stderr] Checking clap v2.24.2 [INFO] [stderr] Compiling thread-id v3.1.0 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling thread_local v0.3.3 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling llvm-sys v40.0.2 [INFO] [stderr] Checking bf v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `BFInstr` [INFO] [stdout] --> src/bfllvm.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | use ::bf::{BFInstr, BF_MEMORY_SIZE, BFCellValue}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bfllvm.rs:124:97 [INFO] [stdout] | [INFO] [stdout] 124 | let bf_input_fn = LLVMAddFunction(module, cstring!("__bf_get_input"), bf_input_function_type);; // #TODO oh shit [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BFInstr` [INFO] [stdout] --> src/bfllvm.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | use ::bf::{BFInstr, BF_MEMORY_SIZE, BFCellValue}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bfllvm.rs:124:97 [INFO] [stdout] | [INFO] [stdout] 124 | let bf_input_fn = LLVMAddFunction(module, cstring!("__bf_get_input"), bf_input_function_type);; // #TODO oh shit [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/bfllvm.rs:159:30 [INFO] [stdout] | [INFO] [stdout] 159 | let mut execution_engine = 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/bfllvm.rs:159:30 [INFO] [stdout] | [INFO] [stdout] 159 | let mut execution_engine = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loop_start_pc` [INFO] [stdout] --> src/bfllvm.rs:378:20 [INFO] [stdout] | [INFO] [stdout] 378 | if let Some((loop_start_pc, loop_block, after_loop_block)) = block_stack.pop() { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loop_start_pc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loop_start_pc` [INFO] [stdout] --> src/bfllvm.rs:378:20 [INFO] [stdout] | [INFO] [stdout] 378 | if let Some((loop_start_pc, loop_block, after_loop_block)) = block_stack.pop() { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loop_start_pc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bf.rs:245:9 [INFO] [stdout] | [INFO] [stdout] 245 | let mut buf = &mut self.memory[self.data_ptr..(self.data_ptr + 1)]; [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/bf.rs:245:9 [INFO] [stdout] | [INFO] [stdout] 245 | let mut buf = &mut self.memory[self.data_ptr..(self.data_ptr + 1)]; [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/bfllvm.rs:147:7 [INFO] [stdout] | [INFO] [stdout] 147 | let mut var_ptr_stdin = LLVMBuildAlloca(builder, void_ptr_type, cstring!("stdin_lock_ptr")); [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/bfllvm.rs:149:7 [INFO] [stdout] | [INFO] [stdout] 149 | let mut var_ptr_stdout = LLVMBuildAlloca(builder, void_ptr_type, cstring!("stdout_lock_ptr")); [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/bfllvm.rs:152:7 [INFO] [stdout] | [INFO] [stdout] 152 | let mut var_data_ptr = LLVMBuildAlloca(builder, i8_ptr_type, cstring!("data_ptr")); [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/bfllvm.rs:159:7 [INFO] [stdout] | [INFO] [stdout] 159 | let mut execution_engine = mem::uninitialized(); [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/bfllvm.rs:160:7 [INFO] [stdout] | [INFO] [stdout] 160 | let mut output = mem::zeroed(); [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/bfllvm.rs:147:7 [INFO] [stdout] | [INFO] [stdout] 147 | let mut var_ptr_stdin = LLVMBuildAlloca(builder, void_ptr_type, cstring!("stdin_lock_ptr")); [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/bfllvm.rs:149:7 [INFO] [stdout] | [INFO] [stdout] 149 | let mut var_ptr_stdout = LLVMBuildAlloca(builder, void_ptr_type, cstring!("stdout_lock_ptr")); [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/bfllvm.rs:152:7 [INFO] [stdout] | [INFO] [stdout] 152 | let mut var_data_ptr = LLVMBuildAlloca(builder, i8_ptr_type, cstring!("data_ptr")); [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/bfllvm.rs:159:7 [INFO] [stdout] | [INFO] [stdout] 159 | let mut execution_engine = mem::uninitialized(); [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/bfllvm.rs:160:7 [INFO] [stdout] | [INFO] [stdout] 160 | let mut output = mem::zeroed(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/bfllvm.rs:417:3 [INFO] [stdout] | [INFO] [stdout] 417 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `var_data_ptr_name` [INFO] [stdout] --> src/bfllvm.rs:27:2 [INFO] [stdout] | [INFO] [stdout] 27 | var_data_ptr_name: *const i8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/bfllvm.rs:417:3 [INFO] [stdout] | [INFO] [stdout] 417 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `var_data_ptr_name` [INFO] [stdout] --> src/bfllvm.rs:27:2 [INFO] [stdout] | [INFO] [stdout] 27 | var_data_ptr_name: *const i8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.00s [INFO] running `Command { std: "docker" "inspect" "6a0082201c007a8949ef7b9b862deb78055265ad70e0a34a9ed07eb8ec662170", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a0082201c007a8949ef7b9b862deb78055265ad70e0a34a9ed07eb8ec662170", kill_on_drop: false }` [INFO] [stdout] 6a0082201c007a8949ef7b9b862deb78055265ad70e0a34a9ed07eb8ec662170