[INFO] fetching crate treereduce-swift 0.3.1...
[INFO] testing treereduce-swift-0.3.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate treereduce-swift 0.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate treereduce-swift 0.3.1
[INFO] finished tweaking crates.io crate treereduce-swift 0.3.1
[INFO] tweaked toml for crates.io crate treereduce-swift 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate treereduce-swift 0.3.1 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 treereduce-swift 0.3.1 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8d0efd582516615b615b4a8ec2904eabfad263b0cc4487b565b852208fade498
[INFO] running `Command { std: "docker" "start" "-a" "8d0efd582516615b615b4a8ec2904eabfad263b0cc4487b565b852208fade498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d0efd582516615b615b4a8ec2904eabfad263b0cc4487b565b852208fade498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d0efd582516615b615b4a8ec2904eabfad263b0cc4487b565b852208fade498", kill_on_drop: false }`
[INFO] [stdout] 8d0efd582516615b615b4a8ec2904eabfad263b0cc4487b565b852208fade498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9108a6c98806bfe8dcdaced83ade623c4240fa068736c53690f075d54eb5f9d3
[INFO] running `Command { std: "docker" "start" "-a" "9108a6c98806bfe8dcdaced83ade623c4240fa068736c53690f075d54eb5f9d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.94
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling anstream v0.6.11
[INFO] [stderr]    Compiling clap_builder v4.5.15
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.86
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling tree-sitter v0.20.10
[INFO] [stderr]    Compiling tree-sitter-swift v0.4.3
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling tree-sitter-traversal v0.1.2
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tree-sitter-edit v0.3.0
[INFO] [stderr]    Compiling clap v4.5.16
[INFO] [stderr]    Compiling clap-verbosity-flag v2.2.2
[INFO] [stderr]    Compiling tracing-serde v0.1.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling treereduce v0.3.1
[INFO] [stderr]    Compiling treereduce-swift v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.13s
[INFO] running `Command { std: "docker" "inspect" "9108a6c98806bfe8dcdaced83ade623c4240fa068736c53690f075d54eb5f9d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9108a6c98806bfe8dcdaced83ade623c4240fa068736c53690f075d54eb5f9d3", kill_on_drop: false }`
[INFO] [stdout] 9108a6c98806bfe8dcdaced83ade623c4240fa068736c53690f075d54eb5f9d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] da4adf1cfd3dfaf096f40a29a24f23c66ec8e0b15d226a9c5501a792545e0e87
[INFO] running `Command { std: "docker" "start" "-a" "da4adf1cfd3dfaf096f40a29a24f23c66ec8e0b15d226a9c5501a792545e0e87", kill_on_drop: false }`
[INFO] [stderr]    Compiling treereduce-swift v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "da4adf1cfd3dfaf096f40a29a24f23c66ec8e0b15d226a9c5501a792545e0e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da4adf1cfd3dfaf096f40a29a24f23c66ec8e0b15d226a9c5501a792545e0e87", kill_on_drop: false }`
[INFO] [stdout] da4adf1cfd3dfaf096f40a29a24f23c66ec8e0b15d226a9c5501a792545e0e87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f7aa549df73f1a8499515b0b162dc69707ad45d1e90a925635b3c5fdf6da6fb5
[INFO] running `Command { std: "docker" "start" "-a" "f7aa549df73f1a8499515b0b162dc69707ad45d1e90a925635b3c5fdf6da6fb5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/treereduce_swift-cbbc3d00d4dc3e26)
[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" "f7aa549df73f1a8499515b0b162dc69707ad45d1e90a925635b3c5fdf6da6fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7aa549df73f1a8499515b0b162dc69707ad45d1e90a925635b3c5fdf6da6fb5", kill_on_drop: false }`
[INFO] [stdout] f7aa549df73f1a8499515b0b162dc69707ad45d1e90a925635b3c5fdf6da6fb5