[INFO] cloning repository https://github.com/zesterer/fuckvm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zesterer/fuckvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffuckvm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffuckvm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cf2751673cba6fe0eba6495ce0585958097add51 [INFO] checking zesterer/fuckvm against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffuckvm" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/zesterer/fuckvm [INFO] finished tweaking git repo https://github.com/zesterer/fuckvm [INFO] tweaked toml for git repo https://github.com/zesterer/fuckvm written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/zesterer/fuckvm on toolchain fc5af1813307d25a84d633f21e2e53c9376eb547 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/zesterer/fuckvm already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a53a848338e1dbb14f74614097ff285756400459c275147112529e15500c0b68 [INFO] running `Command { std: "docker" "start" "-a" "a53a848338e1dbb14f74614097ff285756400459c275147112529e15500c0b68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a53a848338e1dbb14f74614097ff285756400459c275147112529e15500c0b68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a53a848338e1dbb14f74614097ff285756400459c275147112529e15500c0b68", kill_on_drop: false }` [INFO] [stdout] a53a848338e1dbb14f74614097ff285756400459c275147112529e15500c0b68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c29f79761e2e6ba2a92b912eadb03ffa89ae8b79a3d372d1eaf597cd01c29ceb [INFO] running `Command { std: "docker" "start" "-a" "c29f79761e2e6ba2a92b912eadb03ffa89ae8b79a3d372d1eaf597cd01c29ceb", kill_on_drop: false }` [INFO] [stderr] Checking fuckvm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/bf/bfir.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 113 | _ => unimplemented!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/bf/bfir.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 107 | lir::Branch::Exit => instrs.push(Instr::Exit), [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] 108 | lir::Branch::Goto(id) => instrs.push(Instr::Goto(id)), [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] 109 | lir::Branch::If(pred, if_true, if_false) => [INFO] [stdout] | ---------------------------------------- matches some of the same values [INFO] [stdout] 110 | instrs.push(Instr::If(pred, if_true, if_false)), [INFO] [stdout] 111 | lir::Branch::Return(stack_size) => [INFO] [stdout] | ------------------------------- matches some of the same values [INFO] [stdout] 112 | instrs.push(Instr::Return), [INFO] [stdout] 113 | _ => unimplemented!(), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack_size` [INFO] [stdout] --> src/bf/bfir.rs:111:37 [INFO] [stdout] | [INFO] [stdout] 111 | lir::Branch::Return(stack_size) => [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ir/lir.rs:165:21 [INFO] [stdout] | [INFO] [stdout] 165 | _ => unimplemented!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ir/lir.rs:165:21 [INFO] [stdout] | [INFO] [stdout] 146 | hir::Branch::Goto(name) => { [INFO] [stdout] | ----------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 149 | hir::Branch::Exit => Branch::Exit, [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] 150 | hir::Branch::ReturnVal(hir::Local(name, ty)) => { [INFO] [stdout] | -------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 155 | hir::Branch::ReturnNone => { [INFO] [stdout] | ----------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 165 | _ => unimplemented!(), [INFO] [stdout] | ^ ...and 1 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/bf/bfir.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 113 | _ => unimplemented!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/bf/bfir.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 107 | lir::Branch::Exit => instrs.push(Instr::Exit), [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] 108 | lir::Branch::Goto(id) => instrs.push(Instr::Goto(id)), [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] 109 | lir::Branch::If(pred, if_true, if_false) => [INFO] [stdout] | ---------------------------------------- matches some of the same values [INFO] [stdout] 110 | instrs.push(Instr::If(pred, if_true, if_false)), [INFO] [stdout] 111 | lir::Branch::Return(stack_size) => [INFO] [stdout] | ------------------------------- matches some of the same values [INFO] [stdout] 112 | instrs.push(Instr::Return), [INFO] [stdout] 113 | _ => unimplemented!(), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack_size` [INFO] [stdout] --> src/bf/bfir.rs:111:37 [INFO] [stdout] | [INFO] [stdout] 111 | lir::Branch::Return(stack_size) => [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `SCRATCH_3` is never used [INFO] [stdout] --> src/bf/bfir.rs:165:7 [INFO] [stdout] | [INFO] [stdout] 165 | const SCRATCH_3: usize = 9; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sub_byte_zeroing` is never used [INFO] [stdout] --> src/bf/bfir.rs:189:4 [INFO] [stdout] | [INFO] [stdout] 189 | fn sub_byte_zeroing(from: usize, to: usize) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ir/lir.rs:165:21 [INFO] [stdout] | [INFO] [stdout] 165 | _ => unimplemented!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ir/lir.rs:165:21 [INFO] [stdout] | [INFO] [stdout] 146 | hir::Branch::Goto(name) => { [INFO] [stdout] | ----------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 149 | hir::Branch::Exit => Branch::Exit, [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] 150 | hir::Branch::ReturnVal(hir::Local(name, ty)) => { [INFO] [stdout] | -------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 155 | hir::Branch::ReturnNone => { [INFO] [stdout] | ----------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 165 | _ => unimplemented!(), [INFO] [stdout] | ^ ...and 1 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `SCRATCH_3` is never used [INFO] [stdout] --> src/bf/bfir.rs:165:7 [INFO] [stdout] | [INFO] [stdout] 165 | const SCRATCH_3: usize = 9; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sub_byte_zeroing` is never used [INFO] [stdout] --> src/bf/bfir.rs:189:4 [INFO] [stdout] | [INFO] [stdout] 189 | fn sub_byte_zeroing(from: usize, to: usize) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/test.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | vm.exec(&bf); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = vm.exec(&bf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/test.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | vm.exec(&bf); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = vm.exec(&bf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "c29f79761e2e6ba2a92b912eadb03ffa89ae8b79a3d372d1eaf597cd01c29ceb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c29f79761e2e6ba2a92b912eadb03ffa89ae8b79a3d372d1eaf597cd01c29ceb", kill_on_drop: false }` [INFO] [stdout] c29f79761e2e6ba2a92b912eadb03ffa89ae8b79a3d372d1eaf597cd01c29ceb