[INFO] cloning repository https://github.com/otrho/regalloc-poc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/otrho/regalloc-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fotrho%2Fregalloc-poc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fotrho%2Fregalloc-poc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d51145843bbaab1f99c22108c9f1b2919cc44975 [INFO] testing otrho/regalloc-poc against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fotrho%2Fregalloc-poc" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/otrho/regalloc-poc [INFO] finished tweaking git repo https://github.com/otrho/regalloc-poc [INFO] tweaked toml for git repo https://github.com/otrho/regalloc-poc written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/otrho/regalloc-poc on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/otrho/regalloc-poc 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4dbf29e9448378ea1fa64893737f8e06fd82cc6a809ffea9b52c8f81a959f939 [INFO] running `Command { std: "docker" "start" "-a" "4dbf29e9448378ea1fa64893737f8e06fd82cc6a809ffea9b52c8f81a959f939", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4dbf29e9448378ea1fa64893737f8e06fd82cc6a809ffea9b52c8f81a959f939", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dbf29e9448378ea1fa64893737f8e06fd82cc6a809ffea9b52c8f81a959f939", kill_on_drop: false }` [INFO] [stdout] 4dbf29e9448378ea1fa64893737f8e06fd82cc6a809ffea9b52c8f81a959f939 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 220b2b878b67a583097520919d66aa9f5e7f7f8764fd692b8da412c03a48ae5e [INFO] running `Command { std: "docker" "start" "-a" "220b2b878b67a583097520919d66aa9f5e7f7f8764fd692b8da412c03a48ae5e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling slice-group-by v0.3.0 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling regalloc2 v0.6.1 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling experimenting-with-a-lisp-to-evaluate-cranelift-register-allocator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:157:14 [INFO] [stdout] | [INFO] [stdout] 157 | Argument(BlockIdx), [INFO] [stdout] | -------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 157 - Argument(BlockIdx), [INFO] [stdout] 157 + Argument(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:783:18 [INFO] [stdout] | [INFO] [stdout] 783 | fn new(asm: &'a mut Asm) -> AsmRegAllocator { [INFO] [stdout] | ^^ --------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 783 | fn new(asm: &'a mut Asm) -> AsmRegAllocator<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.37s [INFO] running `Command { std: "docker" "inspect" "220b2b878b67a583097520919d66aa9f5e7f7f8764fd692b8da412c03a48ae5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "220b2b878b67a583097520919d66aa9f5e7f7f8764fd692b8da412c03a48ae5e", kill_on_drop: false }` [INFO] [stdout] 220b2b878b67a583097520919d66aa9f5e7f7f8764fd692b8da412c03a48ae5e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 1c94424e40e8d57f3db07dab914c2a039fdb0b14e0df7c4fe31acdc863815f89 [INFO] running `Command { std: "docker" "start" "-a" "1c94424e40e8d57f3db07dab914c2a039fdb0b14e0df7c4fe31acdc863815f89", kill_on_drop: false }` [INFO] [stderr] Compiling experimenting-with-a-lisp-to-evaluate-cranelift-register-allocator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:157:14 [INFO] [stdout] | [INFO] [stdout] 157 | Argument(BlockIdx), [INFO] [stdout] | -------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 157 - Argument(BlockIdx), [INFO] [stdout] 157 + Argument(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:783:18 [INFO] [stdout] | [INFO] [stdout] 783 | fn new(asm: &'a mut Asm) -> AsmRegAllocator { [INFO] [stdout] | ^^ --------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 783 | fn new(asm: &'a mut Asm) -> AsmRegAllocator<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "1c94424e40e8d57f3db07dab914c2a039fdb0b14e0df7c4fe31acdc863815f89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c94424e40e8d57f3db07dab914c2a039fdb0b14e0df7c4fe31acdc863815f89", kill_on_drop: false }` [INFO] [stdout] 1c94424e40e8d57f3db07dab914c2a039fdb0b14e0df7c4fe31acdc863815f89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] ef0eff2247920a05ec5ba95d64fbbae69a2de41f1a70c5dd9614ff8f9c8412bb [INFO] running `Command { std: "docker" "start" "-a" "ef0eff2247920a05ec5ba95d64fbbae69a2de41f1a70c5dd9614ff8f9c8412bb", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:157:14 [INFO] [stderr] | [INFO] [stderr] 157 | Argument(BlockIdx), [INFO] [stderr] | -------- ^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 157 - Argument(BlockIdx), [INFO] [stderr] 157 + Argument(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/main.rs:783:18 [INFO] [stderr] | [INFO] [stderr] 783 | fn new(asm: &'a mut Asm) -> AsmRegAllocator { [INFO] [stderr] | ^^ --------------- the lifetime gets resolved as `'a` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to consistently use `'a` [INFO] [stderr] | [INFO] [stderr] 783 | fn new(asm: &'a mut Asm) -> AsmRegAllocator<'a> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `experimenting-with-a-lisp-to-evaluate-cranelift-register-allocator` (bin "experimenting-with-a-lisp-to-evaluate-cranelift-register-allocator" test) generated 2 warnings (run `cargo fix --bin "experimenting-with-a-lisp-to-evaluate-cranelift-register-allocator" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/experimenting_with_a_lisp_to_evaluate_cranelift_register_allocator-b4400ae223c43de6) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ef0eff2247920a05ec5ba95d64fbbae69a2de41f1a70c5dd9614ff8f9c8412bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef0eff2247920a05ec5ba95d64fbbae69a2de41f1a70c5dd9614ff8f9c8412bb", kill_on_drop: false }` [INFO] [stdout] ef0eff2247920a05ec5ba95d64fbbae69a2de41f1a70c5dd9614ff8f9c8412bb