[INFO] updating cached repository toumorokoshi/greyhawk-vm [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/toumorokoshi/greyhawk-vm [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/toumorokoshi/greyhawk-vm" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/toumorokoshi/greyhawk-vm"` [INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/toumorokoshi/greyhawk-vm'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/toumorokoshi/greyhawk-vm" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/toumorokoshi/greyhawk-vm"` [INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/toumorokoshi/greyhawk-vm'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2f9b2a33e8e1b927c2cc01d490666d59625bfdcc [INFO] sha for GitHub repo toumorokoshi/greyhawk-vm: 2f9b2a33e8e1b927c2cc01d490666d59625bfdcc [INFO] validating manifest of toumorokoshi/greyhawk-vm on toolchain master#1891bfa80364eead426517c68de6947b7692e2de [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of toumorokoshi/greyhawk-vm on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing toumorokoshi/greyhawk-vm [INFO] finished frobbing toumorokoshi/greyhawk-vm [INFO] frobbed toml for toumorokoshi/greyhawk-vm written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/toumorokoshi/greyhawk-vm/Cargo.toml [INFO] started frobbing toumorokoshi/greyhawk-vm [INFO] finished frobbing toumorokoshi/greyhawk-vm [INFO] frobbed toml for toumorokoshi/greyhawk-vm written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/toumorokoshi/greyhawk-vm/Cargo.toml [INFO] crate toumorokoshi/greyhawk-vm already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking toumorokoshi/greyhawk-vm against master#1891bfa80364eead426517c68de6947b7692e2de for pr-60261 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-7/master#1891bfa80364eead426517c68de6947b7692e2de:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/toumorokoshi/greyhawk-vm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 42aca86477fd40dc96e23e682af4add3c5d2c5b05a4df3d441a867c079ce8ae6 [INFO] running `"docker" "start" "-a" "42aca86477fd40dc96e23e682af4add3c5d2c5b05a4df3d441a867c079ce8ae6"` [INFO] [stderr] Checking yaml-rust v0.2.2 [INFO] [stderr] Checking getopts v0.2.14 [INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33 [INFO] [stderr] | [INFO] [stderr] 955 | let mut machine = |cont: &mut bool, (i, c): (usize, char)| { [INFO] [stderr] | ---------------------------------------- borrow of `state` occurs here [INFO] [stderr] ... [INFO] [stderr] 959 | state = match (state, whitespace, limit) { [INFO] [stderr] | ----- borrow occurs due to use of `state` in closure [INFO] [stderr] ... [INFO] [stderr] 1008 | while cont && match state { B | C => true, A => false } { [INFO] [stderr] | ^ use of borrowed `state` [INFO] [stderr] 1009 | machine(&mut cont, (fake_i, ' ')); [INFO] [stderr] | ------- borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] [INFO] [stderr] Checking ghvm v0.0.1-alpha (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `RegList`, `Register` [INFO] [stderr] --> src/function.rs:2:13 [INFO] [stderr] | [INFO] [stderr] 2 | use super::{Register, RegList, Type, OpList, Value, ValueList, VM}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Value` [INFO] [stderr] --> src/ops.rs:1:23 [INFO] [stderr] | [INFO] [stderr] 1 | use super::{Function, Value}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Register`, `VMFunction`, `Value` [INFO] [stderr] --> src/vm.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | use super::{VMFunction, Module, Register, Op, Value, ValueList}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `NativeFunction` [INFO] [stderr] --> src/tests/test_full.rs:3:15 [INFO] [stderr] | [INFO] [stderr] 3 | Function, NativeFunction, VMFunction, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `RegList`, `Register` [INFO] [stderr] --> src/function.rs:2:13 [INFO] [stderr] | [INFO] [stderr] 2 | use super::{Register, RegList, Type, OpList, Value, ValueList, VM}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Value` [INFO] [stderr] --> src/ops.rs:1:23 [INFO] [stderr] | [INFO] [stderr] 1 | use super::{Function, Value}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Register`, `VMFunction`, `Value` [INFO] [stderr] --> src/vm.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | use super::{VMFunction, Module, Register, Op, Value, ValueList}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `func` [INFO] [stderr] --> src/ops.rs:58:27 [INFO] [stderr] | [INFO] [stderr] 58 | &Op::Call{ref func, args: _, target} => format!("{0} <= ()", target), [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: try ignoring the field: `func: _` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `return_value` [INFO] [stderr] --> src/vm.rs:20:13 [INFO] [stderr] | [INFO] [stderr] 20 | let return_value = 0 as usize; [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_return_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `length_source` [INFO] [stderr] --> src/vm.rs:28:42 [INFO] [stderr] | [INFO] [stderr] 28 | &Op::ArrayCreate{target, length_source} => unsafe {}, [INFO] [stderr] | ^^^^^^^^^^^^^ help: try ignoring the field: `length_source: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `target` [INFO] [stderr] --> src/vm.rs:28:34 [INFO] [stderr] | [INFO] [stderr] 28 | &Op::ArrayCreate{target, length_source} => unsafe {}, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `target: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index_source` [INFO] [stderr] --> src/vm.rs:29:47 [INFO] [stderr] | [INFO] [stderr] 29 | &Op::ArraySet{source, target, index_source} => unsafe {}, [INFO] [stderr] | ^^^^^^^^^^^^ help: try ignoring the field: `index_source: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/vm.rs:29:31 [INFO] [stderr] | [INFO] [stderr] 29 | &Op::ArraySet{source, target, index_source} => unsafe {}, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `source: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `target` [INFO] [stderr] --> src/vm.rs:29:39 [INFO] [stderr] | [INFO] [stderr] 29 | &Op::ArraySet{source, target, index_source} => unsafe {}, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `target: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index_source` [INFO] [stderr] --> src/vm.rs:30:48 [INFO] [stderr] | [INFO] [stderr] 30 | &Op::ArrayLoad{source, target, index_source} => unsafe {}, [INFO] [stderr] | ^^^^^^^^^^^^ help: try ignoring the field: `index_source: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/vm.rs:30:32 [INFO] [stderr] | [INFO] [stderr] 30 | &Op::ArrayLoad{source, target, index_source} => unsafe {}, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `source: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `target` [INFO] [stderr] --> src/vm.rs:30:40 [INFO] [stderr] | [INFO] [stderr] 30 | &Op::ArrayLoad{source, target, index_source} => unsafe {}, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `target: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `vm` [INFO] [stderr] --> src/tests/test_full.rs:27:16 [INFO] [stderr] | [INFO] [stderr] 27 | fn native_func(vm: &mut VM, mut args: Vec) -> Value { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_vm` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `args` [INFO] [stderr] --> src/tests/test_full.rs:27:33 [INFO] [stderr] | [INFO] [stderr] 27 | fn native_func(vm: &mut VM, mut args: Vec) -> Value { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_args` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/function.rs:13:40 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn execute(&self, vm: &mut VM, mut args: ValueList) -> Value { [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/tests/test_full.rs:27:29 [INFO] [stderr] | [INFO] [stderr] 27 | fn native_func(vm: &mut VM, mut args: Vec) -> Value { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/vm.rs:28:60 [INFO] [stderr] | [INFO] [stderr] 28 | &Op::ArrayCreate{target, length_source} => unsafe {}, [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_unsafe)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/vm.rs:29:64 [INFO] [stderr] | [INFO] [stderr] 29 | &Op::ArraySet{source, target, index_source} => unsafe {}, [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/vm.rs:30:65 [INFO] [stderr] | [INFO] [stderr] 30 | &Op::ArrayLoad{source, target, index_source} => unsafe {}, [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] [INFO] [stderr] warning: field is never used: `functions` [INFO] [stderr] --> src/module.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | functions: HashMap [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `func` [INFO] [stderr] --> src/ops.rs:58:27 [INFO] [stderr] | [INFO] [stderr] 58 | &Op::Call{ref func, args: _, target} => format!("{0} <= ()", target), [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: try ignoring the field: `func: _` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `return_value` [INFO] [stderr] --> src/vm.rs:20:13 [INFO] [stderr] | [INFO] [stderr] 20 | let return_value = 0 as usize; [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_return_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `length_source` [INFO] [stderr] --> src/vm.rs:28:42 [INFO] [stderr] | [INFO] [stderr] 28 | &Op::ArrayCreate{target, length_source} => unsafe {}, [INFO] [stderr] | ^^^^^^^^^^^^^ help: try ignoring the field: `length_source: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `target` [INFO] [stderr] --> src/vm.rs:28:34 [INFO] [stderr] | [INFO] [stderr] 28 | &Op::ArrayCreate{target, length_source} => unsafe {}, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `target: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index_source` [INFO] [stderr] --> src/vm.rs:29:47 [INFO] [stderr] | [INFO] [stderr] 29 | &Op::ArraySet{source, target, index_source} => unsafe {}, [INFO] [stderr] | ^^^^^^^^^^^^ help: try ignoring the field: `index_source: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/vm.rs:29:31 [INFO] [stderr] | [INFO] [stderr] 29 | &Op::ArraySet{source, target, index_source} => unsafe {}, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `source: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `target` [INFO] [stderr] --> src/vm.rs:29:39 [INFO] [stderr] | [INFO] [stderr] 29 | &Op::ArraySet{source, target, index_source} => unsafe {}, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `target: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index_source` [INFO] [stderr] --> src/vm.rs:30:48 [INFO] [stderr] | [INFO] [stderr] 30 | &Op::ArrayLoad{source, target, index_source} => unsafe {}, [INFO] [stderr] | ^^^^^^^^^^^^ help: try ignoring the field: `index_source: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/vm.rs:30:32 [INFO] [stderr] | [INFO] [stderr] 30 | &Op::ArrayLoad{source, target, index_source} => unsafe {}, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `source: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `target` [INFO] [stderr] --> src/vm.rs:30:40 [INFO] [stderr] | [INFO] [stderr] 30 | &Op::ArrayLoad{source, target, index_source} => unsafe {}, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `target: _` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/function.rs:13:40 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn execute(&self, vm: &mut VM, mut args: ValueList) -> Value { [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: unnecessary `unsafe` block [INFO] [stderr] --> src/vm.rs:28:60 [INFO] [stderr] | [INFO] [stderr] 28 | &Op::ArrayCreate{target, length_source} => unsafe {}, [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_unsafe)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/vm.rs:29:64 [INFO] [stderr] | [INFO] [stderr] 29 | &Op::ArraySet{source, target, index_source} => unsafe {}, [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/vm.rs:30:65 [INFO] [stderr] | [INFO] [stderr] 30 | &Op::ArrayLoad{source, target, index_source} => unsafe {}, [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] [INFO] [stderr] warning: field is never used: `functions` [INFO] [stderr] --> src/module.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | functions: HashMap [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.32s [INFO] running `"docker" "inspect" "42aca86477fd40dc96e23e682af4add3c5d2c5b05a4df3d441a867c079ce8ae6"` [INFO] running `"docker" "rm" "-f" "42aca86477fd40dc96e23e682af4add3c5d2c5b05a4df3d441a867c079ce8ae6"` [INFO] [stdout] 42aca86477fd40dc96e23e682af4add3c5d2c5b05a4df3d441a867c079ce8ae6