[INFO] cloning repository https://github.com/ckafrouni/dataflowVM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ckafrouni/dataflowVM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckafrouni%2FdataflowVM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckafrouni%2FdataflowVM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9933fc13ba8bcdf54ea3e6d2760429d6ccb361f0
[INFO] checking ckafrouni/dataflowVM against try#f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2 for pr-156992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckafrouni%2FdataflowVM" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ckafrouni/dataflowVM
[INFO] finished tweaking git repo https://github.com/ckafrouni/dataflowVM
[INFO] tweaked toml for git repo https://github.com/ckafrouni/dataflowVM written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ckafrouni/dataflowVM on toolchain f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ckafrouni/dataflowVM 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" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cedb2bea2d6a841d43214a0c2fc381fb48591c86e2378f2602337c0ce99e964
[INFO] running `Command { std: "docker" "start" "-a" "0cedb2bea2d6a841d43214a0c2fc381fb48591c86e2378f2602337c0ce99e964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cedb2bea2d6a841d43214a0c2fc381fb48591c86e2378f2602337c0ce99e964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cedb2bea2d6a841d43214a0c2fc381fb48591c86e2378f2602337c0ce99e964", kill_on_drop: false }`
[INFO] [stdout] 0cedb2bea2d6a841d43214a0c2fc381fb48591c86e2378f2602337c0ce99e964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3b25038a79be3af633f77f76fca3252220b44375ce31074cd5bbbe82b1d5ea4
[INFO] running `Command { std: "docker" "start" "-a" "d3b25038a79be3af633f77f76fca3252220b44375ce31074cd5bbbe82b1d5ea4", kill_on_drop: false }`
[INFO] [stderr]     Checking dataflow_vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Atom`
[INFO] [stdout]   --> src/vm/mod.rs:12:67
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use single_assignment_memory::{SingleAssignmentMemory, Value, Atom};
[INFO] [stdout]    |                                                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Atom`
[INFO] [stdout]   --> src/vm/mod.rs:12:67
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use single_assignment_memory::{SingleAssignmentMemory, Value, Atom};
[INFO] [stdout]    |                                                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let x = Identifier::new("X".to_string());
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let y = Identifier::new("Y".to_string());
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let z = Identifier::new("Z".to_string());
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let foo = Identifier::new("foo".to_string());
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let x = Identifier::new("X".to_string());
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let y = Identifier::new("Y".to_string());
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let z = Identifier::new("Z".to_string());
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let foo = Identifier::new("foo".to_string());
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Thread`, `AssignAdd`, `ProcDef`, and `ProcCall` are never constructed
[INFO] [stdout]   --> src/vm/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum VmInstruction {
[INFO] [stdout]    |          ------------- variants in this enum
[INFO] [stdout] 17 |     Thread(Vec<VmInstruction>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     AssignAdd(Identifier, Identifier, Identifier),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 21 |     Print(Identifier),
[INFO] [stdout] 22 |     ProcDef(
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     ProcCall(Identifier, Vec<Identifier>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VmInstruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Thread`, `AssignAdd`, `ProcDef`, and `ProcCall` are never constructed
[INFO] [stdout]   --> src/vm/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum VmInstruction {
[INFO] [stdout]    |          ------------- variants in this enum
[INFO] [stdout] 17 |     Thread(Vec<VmInstruction>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     AssignAdd(Identifier, Identifier, Identifier),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 21 |     Print(Identifier),
[INFO] [stdout] 22 |     ProcDef(
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     ProcCall(Identifier, Vec<Identifier>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VmInstruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/vm/variable.rs:11:37
[INFO] [stdout]    |
[INFO] [stdout] 11 |             Variable(format!("v{}", COUNTER))
[INFO] [stdout]    |                                     ^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/vm/variable.rs:11:37
[INFO] [stdout]    |
[INFO] [stdout] 11 |             Variable(format!("v{}", COUNTER))
[INFO] [stdout]    |                                     ^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "d3b25038a79be3af633f77f76fca3252220b44375ce31074cd5bbbe82b1d5ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b25038a79be3af633f77f76fca3252220b44375ce31074cd5bbbe82b1d5ea4", kill_on_drop: false }`
[INFO] [stdout] d3b25038a79be3af633f77f76fca3252220b44375ce31074cd5bbbe82b1d5ea4
