[INFO] fetching crate deskc-typeinfer 0.0.0...
[INFO] checking deskc-typeinfer-0.0.0 against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for 2025-12-16-next-solver-global
[INFO] extracting crate deskc-typeinfer 0.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate deskc-typeinfer 0.0.0
[INFO] finished tweaking crates.io crate deskc-typeinfer 0.0.0
[INFO] tweaked toml for crates.io crate deskc-typeinfer 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate deskc-typeinfer 0.0.0 on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] [stderr]       Adding ariadne v0.1.5 (available: v0.6.0)
[INFO] [stderr]       Adding chumsky v0.8.0 (available: v0.12.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deskc-lexer v0.0.0
[INFO] [stderr]   Downloaded ahash v0.3.8
[INFO] [stderr]   Downloaded deskc-tokens v0.0.0
[INFO] [stderr]   Downloaded deskc-ast v0.0.0
[INFO] [stderr]   Downloaded deskc-types v0.0.0
[INFO] [stderr]   Downloaded deskc-parser v0.0.0
[INFO] [stderr]   Downloaded deskc-textual-diagnostics v0.0.0
[INFO] [stderr]   Downloaded deskc-link v0.0.0
[INFO] [stderr]   Downloaded chumsky v0.8.0
[INFO] [stderr]   Downloaded deskc-file v0.0.0
[INFO] [stderr]   Downloaded deskc-hir v0.0.0
[INFO] [stderr]   Downloaded deskc-hirgen v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aae6a30cbc73786f00336313adcc5436782db65d9223a58e556a7037659c55eb
[INFO] running `Command { std: "docker" "start" "-a" "aae6a30cbc73786f00336313adcc5436782db65d9223a58e556a7037659c55eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aae6a30cbc73786f00336313adcc5436782db65d9223a58e556a7037659c55eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae6a30cbc73786f00336313adcc5436782db65d9223a58e556a7037659c55eb", kill_on_drop: false }`
[INFO] [stdout] aae6a30cbc73786f00336313adcc5436782db65d9223a58e556a7037659c55eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7d8a39ea2816ccc94f1896953ab6838b0f8f067fd0954fed6b0bb5545fe3eec
[INFO] running `Command { std: "docker" "start" "-a" "c7d8a39ea2816ccc94f1896953ab6838b0f8f067fd0954fed6b0bb5545fe3eec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking deskc-file v0.0.0
[INFO] [stderr]     Checking deskc-textual-diagnostics v0.0.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking deskc-types v0.0.0
[INFO] [stderr]     Checking ariadne v0.1.5
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking deskc-link v0.0.0
[INFO] [stderr]     Checking deskc-tokens v0.0.0
[INFO] [stderr]     Checking deskc-ast v0.0.0
[INFO] [stderr]     Checking deskc-hir v0.0.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking deskc-hirgen v0.0.0
[INFO] [stderr]     Checking deskc-typeinfer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stdout] warning: struct `Handler` is never constructed
[INFO] [stdout]  --> src/ty/mod.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Handler {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExprTypes` is never constructed
[INFO] [stdout]    --> src/ty/mod.rs:255:12
[INFO] [stdout]     |
[INFO] [stdout] 255 | pub struct ExprTypes {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking chumsky v0.8.0
[INFO] [stderr]     Checking deskc-parser v0.0.0
[INFO] [stderr]     Checking deskc-lexer v0.0.0
[INFO] [stdout] warning: struct `Handler` is never constructed
[INFO] [stdout]  --> src/ty/mod.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Handler {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExprTypes` is never constructed
[INFO] [stdout]    --> src/ty/mod.rs:255:12
[INFO] [stdout]     |
[INFO] [stdout] 255 | pub struct ExprTypes {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.92s
[INFO] running `Command { std: "docker" "inspect" "c7d8a39ea2816ccc94f1896953ab6838b0f8f067fd0954fed6b0bb5545fe3eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7d8a39ea2816ccc94f1896953ab6838b0f8f067fd0954fed6b0bb5545fe3eec", kill_on_drop: false }`
[INFO] [stdout] c7d8a39ea2816ccc94f1896953ab6838b0f8f067fd0954fed6b0bb5545fe3eec