[INFO] fetching crate twiggy-traits 0.8.0... [INFO] testing twiggy-traits-0.8.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate twiggy-traits 0.8.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate twiggy-traits 0.8.0 [INFO] finished tweaking crates.io crate twiggy-traits 0.8.0 [INFO] tweaked toml for crates.io crate twiggy-traits 0.8.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate twiggy-traits 0.8.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate twiggy-traits 0.8.0 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" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 16a5242061ce03f32ed39f738a0e5f471e38e0cfb2b693d734440788f5ad35ee [INFO] running `Command { std: "docker" "start" "-a" "16a5242061ce03f32ed39f738a0e5f471e38e0cfb2b693d734440788f5ad35ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16a5242061ce03f32ed39f738a0e5f471e38e0cfb2b693d734440788f5ad35ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16a5242061ce03f32ed39f738a0e5f471e38e0cfb2b693d734440788f5ad35ee", kill_on_drop: false }` [INFO] [stdout] 16a5242061ce03f32ed39f738a0e5f471e38e0cfb2b693d734440788f5ad35ee [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 10c821386b0b3335bacdf8f66d113d2913ffca4c5536b437c916dc228ec7b3c0 [INFO] running `Command { std: "docker" "start" "-a" "10c821386b0b3335bacdf8f66d113d2913ffca4c5536b437c916dc228ec7b3c0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling cpp_demangle v0.3.5 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling fixedbitset v0.4.1 [INFO] [stderr] Compiling anyhow v1.0.70 [INFO] [stderr] Compiling thiserror v1.0.40 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling itoa v1.0.5 [INFO] [stderr] Compiling regex-syntax v0.6.26 [INFO] [stderr] Compiling frozen v1.0.0 [INFO] [stderr] Compiling ryu v1.0.10 [INFO] [stderr] Compiling wasmparser v0.80.2 [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling petgraph v0.6.2 [INFO] [stderr] Compiling regex v1.5.6 [INFO] [stderr] Compiling csv v1.2.2 [INFO] [stderr] Compiling thiserror-impl v1.0.40 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling twiggy-ir v0.8.0 [INFO] [stderr] Compiling twiggy-traits v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `items` [INFO] [stdout] --> traits.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | items: &ir::Items, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_items` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `destination` [INFO] [stdout] --> traits.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | destination: &mut dyn io::Write, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.27s [INFO] running `Command { std: "docker" "inspect" "10c821386b0b3335bacdf8f66d113d2913ffca4c5536b437c916dc228ec7b3c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10c821386b0b3335bacdf8f66d113d2913ffca4c5536b437c916dc228ec7b3c0", kill_on_drop: false }` [INFO] [stdout] 10c821386b0b3335bacdf8f66d113d2913ffca4c5536b437c916dc228ec7b3c0 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 24d441b6b88ddfaab4eac9bf8599db4f906ef1877a3095b8ba9341aa32d4fdf1 [INFO] running `Command { std: "docker" "start" "-a" "24d441b6b88ddfaab4eac9bf8599db4f906ef1877a3095b8ba9341aa32d4fdf1", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `items` [INFO] [stdout] --> traits.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | items: &ir::Items, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_items` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `destination` [INFO] [stdout] --> traits.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | destination: &mut dyn io::Write, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling twiggy-traits v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `items` [INFO] [stdout] --> traits.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | items: &ir::Items, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_items` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `destination` [INFO] [stdout] --> traits.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | destination: &mut dyn io::Write, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "24d441b6b88ddfaab4eac9bf8599db4f906ef1877a3095b8ba9341aa32d4fdf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24d441b6b88ddfaab4eac9bf8599db4f906ef1877a3095b8ba9341aa32d4fdf1", kill_on_drop: false }` [INFO] [stdout] 24d441b6b88ddfaab4eac9bf8599db4f906ef1877a3095b8ba9341aa32d4fdf1 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6567aa06aeaa45557d49b23f121cbcf20b45f6b5941395b2e5ac21d6fab30b14 [INFO] running `Command { std: "docker" "start" "-a" "6567aa06aeaa45557d49b23f121cbcf20b45f6b5941395b2e5ac21d6fab30b14", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `items` [INFO] [stderr] --> traits.rs:103:9 [INFO] [stderr] | [INFO] [stderr] 103 | items: &ir::Items, [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_items` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `destination` [INFO] [stderr] --> traits.rs:104:9 [INFO] [stderr] | [INFO] [stderr] 104 | destination: &mut dyn io::Write, [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination` [INFO] [stderr] [INFO] [stderr] warning: `twiggy-traits` (lib) generated 2 warnings [INFO] [stderr] warning: `twiggy-traits` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests traits.rs (/opt/rustwide/target/debug/deps/twiggy_traits-89e32912a948504d) [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] [stderr] Doc-tests twiggy_traits [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" "6567aa06aeaa45557d49b23f121cbcf20b45f6b5941395b2e5ac21d6fab30b14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6567aa06aeaa45557d49b23f121cbcf20b45f6b5941395b2e5ac21d6fab30b14", kill_on_drop: false }` [INFO] [stdout] 6567aa06aeaa45557d49b23f121cbcf20b45f6b5941395b2e5ac21d6fab30b14