[INFO] fetching crate tree-crasher 0.4.0...
[INFO] testing tree-crasher-0.4.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tree-crasher 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate tree-crasher 0.4.0
[INFO] finished tweaking crates.io crate tree-crasher 0.4.0
[INFO] tweaked toml for crates.io crate tree-crasher 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree-crasher 0.4.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 122 packages to latest compatible versions
[INFO] [stderr]       Adding clap-verbosity-flag v2.2.3 (available: v3.0.4)
[INFO] [stderr]       Adding nu-ansi-term v0.48.0 (available: v0.50.3)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding tree-sitter v0.20.10 (available: v0.25.10)
[INFO] [stderr]       Adding tree-splicer v0.5.0 (available: v0.6.0)
[INFO] [stderr]       Adding treereduce v0.3.1 (available: v0.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8539b33f6bcaff7df3b52fa9116b9fc3b3a4a88df90f77ac3535a8438fc0c100
[INFO] running `Command { std: "docker" "start" "-a" "8539b33f6bcaff7df3b52fa9116b9fc3b3a4a88df90f77ac3535a8438fc0c100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8539b33f6bcaff7df3b52fa9116b9fc3b3a4a88df90f77ac3535a8438fc0c100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8539b33f6bcaff7df3b52fa9116b9fc3b3a4a88df90f77ac3535a8438fc0c100", kill_on_drop: false }`
[INFO] [stdout] 8539b33f6bcaff7df3b52fa9116b9fc3b3a4a88df90f77ac3535a8438fc0c100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b260743b54f8fcd331146b28786adb06b40518e86bb92e9d67a897078693878
[INFO] running `Command { std: "docker" "start" "-a" "3b260743b54f8fcd331146b28786adb06b40518e86bb92e9d67a897078693878", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling nu-ansi-term v0.48.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling clap_builder v4.5.51
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling tree-sitter v0.20.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling tree-sitter-traversal v0.1.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tree-sitter-edit v0.3.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling clap v4.5.51
[INFO] [stderr]    Compiling clap-verbosity-flag v2.2.3
[INFO] [stderr]    Compiling tree-splicer v0.5.0
[INFO] [stderr]    Compiling treereduce v0.3.1
[INFO] [stderr]    Compiling tree-crasher v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.42s
[INFO] running `Command { std: "docker" "inspect" "3b260743b54f8fcd331146b28786adb06b40518e86bb92e9d67a897078693878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b260743b54f8fcd331146b28786adb06b40518e86bb92e9d67a897078693878", kill_on_drop: false }`
[INFO] [stdout] 3b260743b54f8fcd331146b28786adb06b40518e86bb92e9d67a897078693878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26da2e8c69e7b1a643daf45c377cc51c4b71a137875aa43e969532d809748ffc
[INFO] running `Command { std: "docker" "start" "-a" "26da2e8c69e7b1a643daf45c377cc51c4b71a137875aa43e969532d809748ffc", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-crasher v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "26da2e8c69e7b1a643daf45c377cc51c4b71a137875aa43e969532d809748ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26da2e8c69e7b1a643daf45c377cc51c4b71a137875aa43e969532d809748ffc", kill_on_drop: false }`
[INFO] [stdout] 26da2e8c69e7b1a643daf45c377cc51c4b71a137875aa43e969532d809748ffc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b2bbcce5652f3f56f30621020a82539c7cb5cbfd51c8e2aad125a83114f2401
[INFO] running `Command { std: "docker" "start" "-a" "1b2bbcce5652f3f56f30621020a82539c7cb5cbfd51c8e2aad125a83114f2401", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tree_crasher-fe899325d46de7b7)
[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 tree_crasher
[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" "1b2bbcce5652f3f56f30621020a82539c7cb5cbfd51c8e2aad125a83114f2401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b2bbcce5652f3f56f30621020a82539c7cb5cbfd51c8e2aad125a83114f2401", kill_on_drop: false }`
[INFO] [stdout] 1b2bbcce5652f3f56f30621020a82539c7cb5cbfd51c8e2aad125a83114f2401