[INFO] fetching crate densha 0.1.5...
[INFO] testing densha-0.1.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate densha 0.1.5 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate densha 0.1.5
[INFO] finished tweaking crates.io crate densha 0.1.5
[INFO] tweaked toml for crates.io crate densha 0.1.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate densha 0.1.5 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 densha 0.1.5 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7183f033f973dbe98557eaa402cf7f686a2712067e7f9c51ef72fd7213ef8361
[INFO] running `Command { std: "docker" "start" "-a" "7183f033f973dbe98557eaa402cf7f686a2712067e7f9c51ef72fd7213ef8361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7183f033f973dbe98557eaa402cf7f686a2712067e7f9c51ef72fd7213ef8361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7183f033f973dbe98557eaa402cf7f686a2712067e7f9c51ef72fd7213ef8361", kill_on_drop: false }`
[INFO] [stdout] 7183f033f973dbe98557eaa402cf7f686a2712067e7f9c51ef72fd7213ef8361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e44e4cd10eab33154057205fc320f086e33caf8139d4a17e36b0704dddf9efc1
[INFO] running `Command { std: "docker" "start" "-a" "e44e4cd10eab33154057205fc320f086e33caf8139d4a17e36b0704dddf9efc1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling jsonschema v0.17.1
[INFO] [stderr]    Compiling kotoba-core v0.1.19
[INFO] [stderr]    Compiling kotoba-graph v0.1.17
[INFO] [stderr]    Compiling densha v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `kotoba_core::*`
[INFO] [stdout]   --> src-tauri/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use kotoba_core::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::Infallible`
[INFO] [stdout]   --> src-tauri/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::convert::Infallible;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src-tauri/middleware.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::DenshaError`
[INFO] [stdout]  --> src-tauri/static_files.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error::DenshaError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]    --> src-tauri/static_files.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |         use std::pin::Pin;
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]    --> src-tauri/static_files.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |         use std::future::Future;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mvcc_manager`
[INFO] [stdout]    --> src-tauri/lib.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let mvcc_manager = create_mvcc_manager().await?;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mvcc_manager`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `merkle_dag`
[INFO] [stdout]    --> src-tauri/lib.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let merkle_dag = create_merkle_dag().await?;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_merkle_dag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rewrite_engine`
[INFO] [stdout]    --> src-tauri/lib.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let rewrite_engine = create_rewrite_engine().await?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rewrite_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `web_framework` is never read
[INFO] [stdout]   --> src-tauri/lib.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct DenshaProcessNetwork {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] 51 |     config: DenshaConfig,
[INFO] [stdout] 52 |     web_framework: MockWebFramework,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `densha::config::Config`
[INFO] [stdout]  --> src-tauri/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use densha::config::Config;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]   --> src-tauri/main.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]    --> src-tauri/main.rs:186:25
[INFO] [stdout]     |
[INFO] [stdout] 186 | async fn run_dev_server(port: u16, host: &str, open: bool, target: &str) -> anyhow::Result<()> {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `host`
[INFO] [stdout]    --> src-tauri/main.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 | async fn run_dev_server(port: u16, host: &str, open: bool, target: &str) -> anyhow::Result<()> {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_host`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_static_file` is never used
[INFO] [stdout]    --> src-tauri/main.rs:326:10
[INFO] [stdout]     |
[INFO] [stdout] 326 | async fn handle_static_file(_path: &str) -> Result<hyper::Response<hyper::Body>, std::convert::Infallible> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 58s
[INFO] running `Command { std: "docker" "inspect" "e44e4cd10eab33154057205fc320f086e33caf8139d4a17e36b0704dddf9efc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44e4cd10eab33154057205fc320f086e33caf8139d4a17e36b0704dddf9efc1", kill_on_drop: false }`
[INFO] [stdout] e44e4cd10eab33154057205fc320f086e33caf8139d4a17e36b0704dddf9efc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] bc2dfaea2bd34cb5692f32265ea74998328bebe0498f6bb97a79d0d5358a9849
[INFO] running `Command { std: "docker" "start" "-a" "bc2dfaea2bd34cb5692f32265ea74998328bebe0498f6bb97a79d0d5358a9849", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling serde_core v1.0.225
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling camino v1.2.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling gzip-header v1.0.0
[INFO] [stderr]    Compiling procfs v0.16.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling llvm_profparser v0.3.3
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling deflate v1.0.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling cargo-tarpaulin v0.27.3
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling cc v1.2.37
[INFO] [stderr]    Compiling quick-xml v0.31.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling procfs-core v0.16.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling indexmap v2.11.3
[INFO] [stderr]    Compiling terminal_size v0.4.3
[INFO] [stderr] error: could not compile `regex-automata` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name regex_automata --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-automata-0.4.10/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="dfa-build"' --cfg 'feature="dfa-onepass"' --cfg 'feature="dfa-search"' --cfg 'feature="hybrid"' --cfg 'feature="meta"' --cfg 'feature="nfa-backtrack"' --cfg 'feature="nfa-pikevm"' --cfg 'feature="nfa-thompson"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="perf-literal-multisubstring"' --cfg 'feature="perf-literal-substring"' --cfg 'feature="std"' --cfg 'feature="syntax"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --cfg 'feature="unicode-word-boundary"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "dfa", "dfa-build", "dfa-onepass", "dfa-search", "hybrid", "internal-instrument", "internal-instrument-pikevm", "logging", "meta", "nfa", "nfa-backtrack", "nfa-pikevm", "nfa-thompson", "perf", "perf-inline", "perf-literal", "perf-literal-multisubstring", "perf-literal-substring", "std", "syntax", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment", "unicode-word-boundary"))' -C metadata=d06def30e99f3a81 -C extra-filename=-0e23be8e3f3599ce --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-784389ac50f1509c.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-eb753e192a6bbd2d.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-c1c62fdedc196a6a.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=d4ee89815296bf6a -C extra-filename=-0fcabf3c92362208 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-234839217d00a420.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-2dae98612d2de95f.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-76924bfc03cc13f9.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "bc2dfaea2bd34cb5692f32265ea74998328bebe0498f6bb97a79d0d5358a9849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2dfaea2bd34cb5692f32265ea74998328bebe0498f6bb97a79d0d5358a9849", kill_on_drop: false }`
[INFO] [stdout] bc2dfaea2bd34cb5692f32265ea74998328bebe0498f6bb97a79d0d5358a9849