[INFO] fetching crate componentize-mbt 0.1.0...
[INFO] checking componentize-mbt-0.1.0 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate componentize-mbt 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate componentize-mbt 0.1.0
[INFO] finished tweaking crates.io crate componentize-mbt 0.1.0
[INFO] tweaked toml for crates.io crate componentize-mbt 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate componentize-mbt 0.1.0 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 55 packages to latest compatible versions
[INFO] [stderr]       Adding wast v70.0.2 (available: v251.0.0)
[INFO] [stderr]       Adding wit-bindgen-core v0.16.0 (available: v0.57.1)
[INFO] [stderr]       Adding wit-component v0.20.3 (available: v0.251.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68d0bcf41d417512455f142cc381e9ae87edda971945796ecddaf6c7c1291783
[INFO] running `Command { std: "docker" "start" "-a" "68d0bcf41d417512455f142cc381e9ae87edda971945796ecddaf6c7c1291783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68d0bcf41d417512455f142cc381e9ae87edda971945796ecddaf6c7c1291783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d0bcf41d417512455f142cc381e9ae87edda971945796ecddaf6c7c1291783", kill_on_drop: false }`
[INFO] [stdout] 68d0bcf41d417512455f142cc381e9ae87edda971945796ecddaf6c7c1291783
[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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 165f0aadfd19bcf5cf06624e935c8083a42b7e45dabc095a340c6d1d50c7a980
[INFO] running `Command { std: "docker" "start" "-a" "165f0aadfd19bcf5cf06624e935c8083a42b7e45dabc095a340c6d1d50c7a980", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking hashbrown v0.17.1
[INFO] [stderr]     Checking memchr v2.8.1
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]     Checking leb128 v0.2.6
[INFO] [stderr]     Checking semver v1.0.28
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking wasm-encoder v0.41.2
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking log v0.4.30
[INFO] [stderr]     Checking id-arena v2.3.0
[INFO] [stderr]     Checking spdx v0.10.9
[INFO] [stderr]     Checking anstyle-parse v1.0.0
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]     Checking anstyle v1.0.14
[INFO] [stderr]     Checking colorchoice v1.0.5
[INFO] [stderr]     Checking wasm-encoder v0.38.1
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking clap_lex v1.1.0
[INFO] [stderr]     Checking anstream v1.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.13.3
[INFO] [stderr]     Checking bumpalo v3.20.3
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking wast v70.0.2
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap_derive v4.6.1
[INFO] [stderr]     Checking wasmparser v0.121.2
[INFO] [stderr]     Checking wasmparser v0.118.2
[INFO] [stderr]     Checking clap v4.6.1
[INFO] [stderr]     Checking wit-parser v0.13.2
[INFO] [stderr]     Checking wasm-metadata v0.10.20
[INFO] [stderr]     Checking wit-component v0.18.2
[INFO] [stderr]     Checking wit-component v0.20.3
[INFO] [stderr]     Checking wit-bindgen-core v0.16.0
[INFO] [stderr]     Checking wit-bindgen-mbt v0.1.0
[INFO] [stderr]     Checking componentize-mbt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `Opts` is never constructed
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Opts {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Opts` is never constructed
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Opts {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `componentize-mbt` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `componentize-mbt` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "165f0aadfd19bcf5cf06624e935c8083a42b7e45dabc095a340c6d1d50c7a980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165f0aadfd19bcf5cf06624e935c8083a42b7e45dabc095a340c6d1d50c7a980", kill_on_drop: false }`
[INFO] [stdout] 165f0aadfd19bcf5cf06624e935c8083a42b7e45dabc095a340c6d1d50c7a980
