[INFO] fetching crate predicates-tree 1.0.13...
[INFO] testing predicates-tree-1.0.13 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate predicates-tree 1.0.13 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate predicates-tree 1.0.13
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate predicates-tree 1.0.13
[INFO] tweaked toml for crates.io crate predicates-tree 1.0.13 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate predicates-tree 1.0.13 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate predicates-tree 1.0.13 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc7e6a9c07dab14f1f2cf4dea6cde7eacc722236476337ad4ef5826767debd28
[INFO] running `Command { std: "docker" "start" "-a" "cc7e6a9c07dab14f1f2cf4dea6cde7eacc722236476337ad4ef5826767debd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc7e6a9c07dab14f1f2cf4dea6cde7eacc722236476337ad4ef5826767debd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7e6a9c07dab14f1f2cf4dea6cde7eacc722236476337ad4ef5826767debd28", kill_on_drop: false }`
[INFO] [stdout] cc7e6a9c07dab14f1f2cf4dea6cde7eacc722236476337ad4ef5826767debd28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eca6390e42b307f9d5d485f956859f20053c78a72218bdc8519fdbbdb6ad73dd
[INFO] running `Command { std: "docker" "start" "-a" "eca6390e42b307f9d5d485f956859f20053c78a72218bdc8519fdbbdb6ad73dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.10
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling predicates-tree v1.0.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "eca6390e42b307f9d5d485f956859f20053c78a72218bdc8519fdbbdb6ad73dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca6390e42b307f9d5d485f956859f20053c78a72218bdc8519fdbbdb6ad73dd", kill_on_drop: false }`
[INFO] [stdout] eca6390e42b307f9d5d485f956859f20053c78a72218bdc8519fdbbdb6ad73dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c04cb77b1432c49143f5e2037dad7a992be4c0c8188b3ecfe57c43ccc490e147
[INFO] running `Command { std: "docker" "start" "-a" "c04cb77b1432c49143f5e2037dad7a992be4c0c8188b3ecfe57c43ccc490e147", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling aho-corasick v1.0.4
[INFO] [stderr]    Compiling float-cmp v0.10.0
[INFO] [stderr]    Compiling regex-automata v0.3.6
[INFO] [stderr]    Compiling regex v1.9.3
[INFO] [stderr]    Compiling predicates v3.1.4
[INFO] [stderr]    Compiling predicates-tree v1.0.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.44s
[INFO] running `Command { std: "docker" "inspect" "c04cb77b1432c49143f5e2037dad7a992be4c0c8188b3ecfe57c43ccc490e147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04cb77b1432c49143f5e2037dad7a992be4c0c8188b3ecfe57c43ccc490e147", kill_on_drop: false }`
[INFO] [stdout] c04cb77b1432c49143f5e2037dad7a992be4c0c8188b3ecfe57c43ccc490e147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14b96278512bbcce04d191ab84d3fda860fa7b04be9d010aad84ccd4a254dd34
[INFO] running `Command { std: "docker" "start" "-a" "14b96278512bbcce04d191ab84d3fda860fa7b04be9d010aad84ccd4a254dd34", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/predicates_tree-f5f7110b52a8eebd)
[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 predicates_tree
[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" "14b96278512bbcce04d191ab84d3fda860fa7b04be9d010aad84ccd4a254dd34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b96278512bbcce04d191ab84d3fda860fa7b04be9d010aad84ccd4a254dd34", kill_on_drop: false }`
[INFO] [stdout] 14b96278512bbcce04d191ab84d3fda860fa7b04be9d010aad84ccd4a254dd34
