[INFO] cloning repository https://github.com/kgtkr/stack-vm-rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kgtkr/stack-vm-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fstack-vm-rs"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fstack-vm-rs'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d1822e95b4c2f48fc1d45f30b10b011f546d7947 [INFO] checking kgtkr/stack-vm-rs against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fstack-vm-rs" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kgtkr/stack-vm-rs on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/kgtkr/stack-vm-rs [INFO] finished tweaking git repo https://github.com/kgtkr/stack-vm-rs [INFO] tweaked toml for git repo https://github.com/kgtkr/stack-vm-rs written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/kgtkr/stack-vm-rs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] c0b108eba881057efdc906abeb657f3f20fdbc3bd1826c66eb64a5610dcd08cf [INFO] running `"docker" "start" "-a" "c0b108eba881057efdc906abeb657f3f20fdbc3bd1826c66eb64a5610dcd08cf"` [INFO] [stderr] Checking stack-vm-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `VM` [INFO] [stderr] --> src/llang.rs:1:22 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::vm::{Cmd, VM}; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `entry` [INFO] [stderr] --> src/llang.rs:105:13 [INFO] [stderr] | [INFO] [stderr] 105 | let entry = gen.push(LLangCmd::Entry(FnIndex(self.entry))); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Frame` [INFO] [stderr] --> src/llang.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | Frame(usize), [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Ret` [INFO] [stderr] --> src/llang.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | Ret, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Call` [INFO] [stderr] --> src/llang.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Call(FnIndex), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LocalLoad` [INFO] [stderr] --> src/llang.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | LocalLoad(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LocalStore` [INFO] [stderr] --> src/llang.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | LocalStore(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ArgLoad` [INFO] [stderr] --> src/llang.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | ArgLoad(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ArgStore` [INFO] [stderr] --> src/llang.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | ArgStore(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `PopR` [INFO] [stderr] --> src/llang.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | PopR(usize), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Const` [INFO] [stderr] --> src/llang.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Const(usize), [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Add` [INFO] [stderr] --> src/llang.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | Add, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Mod` [INFO] [stderr] --> src/llang.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | Mod, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Entry` [INFO] [stderr] --> src/llang.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | Entry(FnIndex), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Eq` [INFO] [stderr] --> src/llang.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | Eq, [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `JumpIf` [INFO] [stderr] --> src/llang.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | JumpIf(RelativeFnIndex), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Jump` [INFO] [stderr] --> src/llang.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | Jump(RelativeFnIndex), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Call` [INFO] [stderr] --> src/llang.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | Call(usize), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LocalLoad` [INFO] [stderr] --> src/llang.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | LocalLoad(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LocalStore` [INFO] [stderr] --> src/llang.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | LocalStore(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ArgLoad` [INFO] [stderr] --> src/llang.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | ArgLoad(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ArgStore` [INFO] [stderr] --> src/llang.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | ArgStore(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Const` [INFO] [stderr] --> src/llang.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | Const(usize), [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Add` [INFO] [stderr] --> src/llang.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | Add, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Mod` [INFO] [stderr] --> src/llang.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | Mod, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Eq` [INFO] [stderr] --> src/llang.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | Eq, [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `JumpIf` [INFO] [stderr] --> src/llang.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | JumpIf(usize), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Jump` [INFO] [stderr] --> src/llang.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | Jump(usize), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `PopR` [INFO] [stderr] --> src/llang.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | PopR(usize), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/llang.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | fn new() -> CmdGen { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push` [INFO] [stderr] --> src/llang.rs:70:5 [INFO] [stderr] | [INFO] [stderr] 70 | fn push(&mut self, cmd: LLangCmd) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_cmds` [INFO] [stderr] --> src/llang.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | fn to_cmds(self) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `convert` [INFO] [stderr] --> src/llang.rs:103:5 [INFO] [stderr] | [INFO] [stderr] 103 | fn convert(&self) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `convert` [INFO] [stderr] --> src/llang.rs:114:5 [INFO] [stderr] | [INFO] [stderr] 114 | fn convert(&self, fn_index: usize, gen: &mut CmdGen) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `convert` [INFO] [stderr] --> src/llang.rs:124:5 [INFO] [stderr] | [INFO] [stderr] 124 | fn convert(&self, fn_index: usize, gen: &mut CmdGen) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/vm.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn new(program: Vec) -> VM { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `run` [INFO] [stderr] --> src/vm.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn run(&mut self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push` [INFO] [stderr] --> src/vm.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | fn push(&mut self, x: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peak` [INFO] [stderr] --> src/vm.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | fn peak(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `pop` [INFO] [stderr] --> src/vm.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | fn pop(&mut self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `debug_state` [INFO] [stderr] --> src/vm.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | fn debug_state(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `run_cmd` [INFO] [stderr] --> src/vm.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | fn run_cmd(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Frame` [INFO] [stderr] --> src/vm.rs:161:5 [INFO] [stderr] | [INFO] [stderr] 161 | Frame(usize), [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Ret` [INFO] [stderr] --> src/vm.rs:162:5 [INFO] [stderr] | [INFO] [stderr] 162 | Ret, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Call` [INFO] [stderr] --> src/vm.rs:163:5 [INFO] [stderr] | [INFO] [stderr] 163 | Call(usize), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LocalLoad` [INFO] [stderr] --> src/vm.rs:164:5 [INFO] [stderr] | [INFO] [stderr] 164 | LocalLoad(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LocalStore` [INFO] [stderr] --> src/vm.rs:165:5 [INFO] [stderr] | [INFO] [stderr] 165 | LocalStore(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ArgLoad` [INFO] [stderr] --> src/vm.rs:166:5 [INFO] [stderr] | [INFO] [stderr] 166 | ArgLoad(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ArgStore` [INFO] [stderr] --> src/vm.rs:167:5 [INFO] [stderr] | [INFO] [stderr] 167 | ArgStore(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `PopR` [INFO] [stderr] --> src/vm.rs:168:5 [INFO] [stderr] | [INFO] [stderr] 168 | PopR(usize), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Const` [INFO] [stderr] --> src/vm.rs:169:5 [INFO] [stderr] | [INFO] [stderr] 169 | Const(usize), [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Add` [INFO] [stderr] --> src/vm.rs:170:5 [INFO] [stderr] | [INFO] [stderr] 170 | Add, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Mod` [INFO] [stderr] --> src/vm.rs:171:5 [INFO] [stderr] | [INFO] [stderr] 171 | Mod, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Entry` [INFO] [stderr] --> src/vm.rs:172:5 [INFO] [stderr] | [INFO] [stderr] 172 | Entry(usize), [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Eq` [INFO] [stderr] --> src/vm.rs:173:5 [INFO] [stderr] | [INFO] [stderr] 173 | Eq, [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `JumpIf` [INFO] [stderr] --> src/vm.rs:174:5 [INFO] [stderr] | [INFO] [stderr] 174 | JumpIf(usize), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Jump` [INFO] [stderr] --> src/vm.rs:175:5 [INFO] [stderr] | [INFO] [stderr] 175 | Jump(usize), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 57 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `entry` [INFO] [stderr] --> src/llang.rs:105:13 [INFO] [stderr] | [INFO] [stderr] 105 | let entry = gen.push(LLangCmd::Entry(FnIndex(self.entry))); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LocalLoad` [INFO] [stderr] --> src/llang.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | LocalLoad(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LocalStore` [INFO] [stderr] --> src/llang.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | LocalStore(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ArgStore` [INFO] [stderr] --> src/llang.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | ArgStore(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Add` [INFO] [stderr] --> src/llang.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | Add, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `"docker" "inspect" "c0b108eba881057efdc906abeb657f3f20fdbc3bd1826c66eb64a5610dcd08cf"` [INFO] running `"docker" "rm" "-f" "c0b108eba881057efdc906abeb657f3f20fdbc3bd1826c66eb64a5610dcd08cf"` [INFO] [stdout] c0b108eba881057efdc906abeb657f3f20fdbc3bd1826c66eb64a5610dcd08cf