[INFO] cloning repository https://github.com/lord/learnllvm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lord/learnllvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flord%2Flearnllvm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flord%2Flearnllvm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4fc6a517b229c7ffc4f2a74e14df8185a9e2d2ea [INFO] checking lord/learnllvm against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flord%2Flearnllvm" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lord/learnllvm on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lord/learnllvm [INFO] finished tweaking git repo https://github.com/lord/learnllvm [INFO] tweaked toml for git repo https://github.com/lord/learnllvm written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/lord/learnllvm already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded llvm-sys v0.4.0 [INFO] [stderr] Downloaded gcc v0.3.38 [INFO] [stderr] Downloaded nom v2.0.0 [INFO] [stderr] Downloaded cbox v0.3.0 [INFO] [stderr] Downloaded llvm-alt v0.5.0 [INFO] [stderr] Downloaded libc v0.2.17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5f824d77cfe043cf13e55eb07a006688ad2d4351873c2bbf5022e206d85113b7 [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" "5f824d77cfe043cf13e55eb07a006688ad2d4351873c2bbf5022e206d85113b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f824d77cfe043cf13e55eb07a006688ad2d4351873c2bbf5022e206d85113b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f824d77cfe043cf13e55eb07a006688ad2d4351873c2bbf5022e206d85113b7", kill_on_drop: false }` [INFO] [stdout] 5f824d77cfe043cf13e55eb07a006688ad2d4351873c2bbf5022e206d85113b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 92e290c360367b2d8e4afe65c522990b467172b4f55c9912c5b73c18addea8be [INFO] running `Command { std: "docker" "start" "-a" "92e290c360367b2d8e4afe65c522990b467172b4f55c9912c5b73c18addea8be", 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] Compiling gcc v0.3.38 [INFO] [stderr] Checking bitflags v0.5.0 [INFO] [stderr] Compiling llvm-alt v0.5.0 [INFO] [stderr] Checking nom v2.0.0 [INFO] [stderr] Checking cbox v0.3.0 [INFO] [stderr] Compiling llvm-sys v0.4.0 [INFO] [stderr] Checking kscope v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Value` [INFO] [stdout] --> src/main.rs:6:38 [INFO] [stdout] | [INFO] [stdout] 6 | use llvm::{Context, Builder, Module, Value}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:71:21 [INFO] [stdout] | [INFO] [stdout] 71 | let (lhs, rest) = try!(primary_expr(rem)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:97:29 [INFO] [stdout] | [INFO] [stdout] 97 | let (mut rhs, mut rest) = try!(primary_expr(rest)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:101:33 [INFO] [stdout] | [INFO] [stdout] 101 | let (new_rhs, new_rest) = try!(parse_binop_rhs(get_token_precedence(op) + 1, rhs, rest)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:136:35 [INFO] [stdout] | [INFO] [stdout] 136 | let (expr, rest_from_parse) = try!(parse_single_expr(rest)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:145:22 [INFO] [stdout] | [INFO] [stdout] 145 | let (expr, rest) = try!(parse_single_expr(rem)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:187:23 [INFO] [stdout] | [INFO] [stdout] 187 | let (proto, rest) = try!(prototype_expr(rem)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:188:22 [INFO] [stdout] | [INFO] [stdout] 188 | let (expr, rest) = try!(parse_single_expr(rest)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BasicBlock` [INFO] [stdout] --> src/codegen.rs:2:84 [INFO] [stdout] | [INFO] [stdout] 2 | use llvm::{Context, Value, Compile, Builder, Module, Type, FunctionType, Function, BasicBlock}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/codegen.rs:45:17 [INFO] [stdout] | [INFO] [stdout] 45 | let ret_val = try!(codegen(ctx, builder, module, vals, func_ast.body)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/codegen.rs:62:22 [INFO] [stdout] | [INFO] [stdout] 62 | let lhs_code = try!(codegen(ctx, builder, module, vals, *lhs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/codegen.rs:63:22 [INFO] [stdout] | [INFO] [stdout] 63 | let rhs_code = try!(codegen(ctx, builder, module, vals, *rhs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/codegen.rs:84:23 [INFO] [stdout] | [INFO] [stdout] 84 | arg_vals.push(try!(codegen(ctx, builder, module, vals, arg))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/codegen.rs:78:10 [INFO] [stdout] | [INFO] [stdout] 78 | if (func.get_signature().num_params() != arg_names.len()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `llvm_sys::core::LLVMDumpValue` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use llvm_sys::core::LLVMDumpValue; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `llvm_sys::prelude::LLVMValueRef` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use llvm_sys::prelude::LLVMValueRef; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Value` [INFO] [stdout] --> src/main.rs:6:38 [INFO] [stdout] | [INFO] [stdout] 6 | use llvm::{Context, Builder, Module, Value}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:71:21 [INFO] [stdout] | [INFO] [stdout] 71 | let (lhs, rest) = try!(primary_expr(rem)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:97:29 [INFO] [stdout] | [INFO] [stdout] 97 | let (mut rhs, mut rest) = try!(primary_expr(rest)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:101:33 [INFO] [stdout] | [INFO] [stdout] 101 | let (new_rhs, new_rest) = try!(parse_binop_rhs(get_token_precedence(op) + 1, rhs, rest)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:136:35 [INFO] [stdout] | [INFO] [stdout] 136 | let (expr, rest_from_parse) = try!(parse_single_expr(rest)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:145:22 [INFO] [stdout] | [INFO] [stdout] 145 | let (expr, rest) = try!(parse_single_expr(rem)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:187:23 [INFO] [stdout] | [INFO] [stdout] 187 | let (proto, rest) = try!(prototype_expr(rem)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:188:22 [INFO] [stdout] | [INFO] [stdout] 188 | let (expr, rest) = try!(parse_single_expr(rest)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BasicBlock` [INFO] [stdout] --> src/codegen.rs:2:84 [INFO] [stdout] | [INFO] [stdout] 2 | use llvm::{Context, Value, Compile, Builder, Module, Type, FunctionType, Function, BasicBlock}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/codegen.rs:45:17 [INFO] [stdout] | [INFO] [stdout] 45 | let ret_val = try!(codegen(ctx, builder, module, vals, func_ast.body)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/codegen.rs:62:22 [INFO] [stdout] | [INFO] [stdout] 62 | let lhs_code = try!(codegen(ctx, builder, module, vals, *lhs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/codegen.rs:63:22 [INFO] [stdout] | [INFO] [stdout] 63 | let rhs_code = try!(codegen(ctx, builder, module, vals, *rhs)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/codegen.rs:84:23 [INFO] [stdout] | [INFO] [stdout] 84 | arg_vals.push(try!(codegen(ctx, builder, module, vals, arg))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/codegen.rs:78:10 [INFO] [stdout] | [INFO] [stdout] 78 | if (func.get_signature().num_params() != arg_names.len()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `llvm_sys::core::LLVMDumpValue` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use llvm_sys::core::LLVMDumpValue; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `llvm_sys::prelude::LLVMValueRef` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use llvm_sys::prelude::LLVMValueRef; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `builder` [INFO] [stdout] --> src/codegen.rs:15:3 [INFO] [stdout] | [INFO] [stdout] 15 | builder: &'a Builder, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vals` [INFO] [stdout] --> src/codegen.rs:17:3 [INFO] [stdout] | [INFO] [stdout] 17 | vals: &mut HashMap, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_vals` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:24:7 [INFO] [stdout] | [INFO] [stdout] 24 | let mut module = Module::new("mod_name", &ctx); [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: unused variable: `builder` [INFO] [stdout] --> src/codegen.rs:15:3 [INFO] [stdout] | [INFO] [stdout] 15 | builder: &'a Builder, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vals` [INFO] [stdout] --> src/codegen.rs:17:3 [INFO] [stdout] | [INFO] [stdout] 17 | vals: &mut HashMap, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_vals` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:24:7 [INFO] [stdout] | [INFO] [stdout] 24 | let mut module = Module::new("mod_name", &ctx); [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: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.20s [INFO] running `Command { std: "docker" "inspect" "92e290c360367b2d8e4afe65c522990b467172b4f55c9912c5b73c18addea8be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92e290c360367b2d8e4afe65c522990b467172b4f55c9912c5b73c18addea8be", kill_on_drop: false }` [INFO] [stdout] 92e290c360367b2d8e4afe65c522990b467172b4f55c9912c5b73c18addea8be