[INFO] fetching crate enalang_optimizer 0.6.1...
[INFO] checking enalang_optimizer-0.6.1 against master#419b3e2d3e350822550eee0e82eeded4d324d584 for pr-135536
[INFO] extracting crate enalang_optimizer 0.6.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate enalang_optimizer 0.6.1 on toolchain 419b3e2d3e350822550eee0e82eeded4d324d584
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enalang_optimizer 0.6.1
[INFO] finished tweaking crates.io crate enalang_optimizer 0.6.1
[INFO] tweaked toml for crates.io crate enalang_optimizer 0.6.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.11)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flexstr v0.9.2
[INFO] [stderr]   Downloaded enalang_ir v0.6.1
[INFO] [stderr]   Downloaded enalang_vm v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15bfe47234c6020f8fbc3b88107519f74de13c3f75474f8d92782cb90d54cd5f
[INFO] running `Command { std: "docker" "start" "-a" "15bfe47234c6020f8fbc3b88107519f74de13c3f75474f8d92782cb90d54cd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15bfe47234c6020f8fbc3b88107519f74de13c3f75474f8d92782cb90d54cd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15bfe47234c6020f8fbc3b88107519f74de13c3f75474f8d92782cb90d54cd5f", kill_on_drop: false }`
[INFO] [stdout] 15bfe47234c6020f8fbc3b88107519f74de13c3f75474f8d92782cb90d54cd5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05db9f07c30b29ac2c6766189d58e4aa4e17367783ad26a21a051a1ea54a57d8
[INFO] running `Command { std: "docker" "start" "-a" "05db9f07c30b29ac2c6766189d58e4aa4e17367783ad26a21a051a1ea54a57d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking radix_fmt v1.0.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking ordered-float v3.9.2
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking flexstr v0.9.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking enalang_ir v0.6.1
[INFO] [stderr]     Checking enalang_vm v0.6.1
[INFO] [stderr]     Checking enalang_optimizer v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `ctx` is never read
[INFO] [stdout]   --> src/optimizations/unused_blocks.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct UnusedBlocksOptimization {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] 13 |     ctx: OptimizationContext,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ctx` is never read
[INFO] [stdout]   --> src/optimizations/unused_blocks.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct UnusedBlocksOptimization {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] 13 |     ctx: OptimizationContext,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.33s
[INFO] running `Command { std: "docker" "inspect" "05db9f07c30b29ac2c6766189d58e4aa4e17367783ad26a21a051a1ea54a57d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05db9f07c30b29ac2c6766189d58e4aa4e17367783ad26a21a051a1ea54a57d8", kill_on_drop: false }`
[INFO] [stdout] 05db9f07c30b29ac2c6766189d58e4aa4e17367783ad26a21a051a1ea54a57d8