[INFO] fetching crate vec_vec 0.5.1...
[INFO] testing vec_vec-0.5.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate vec_vec 0.5.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate vec_vec 0.5.1
[INFO] finished tweaking crates.io crate vec_vec 0.5.1
[INFO] tweaked toml for crates.io crate vec_vec 0.5.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vec_vec 0.5.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e44717fbfdb35a2c6819bc55d42c6fc6d0c51f8a35cb4f13fb4011286ed5885
[INFO] running `Command { std: "docker" "start" "-a" "9e44717fbfdb35a2c6819bc55d42c6fc6d0c51f8a35cb4f13fb4011286ed5885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e44717fbfdb35a2c6819bc55d42c6fc6d0c51f8a35cb4f13fb4011286ed5885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e44717fbfdb35a2c6819bc55d42c6fc6d0c51f8a35cb4f13fb4011286ed5885", kill_on_drop: false }`
[INFO] [stdout] 9e44717fbfdb35a2c6819bc55d42c6fc6d0c51f8a35cb4f13fb4011286ed5885
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3044dda8503a7fdb06d2a43468a2a67bb26b7790629cb030dd9d2fa5ce9a8cdd
[INFO] running `Command { std: "docker" "start" "-a" "3044dda8503a7fdb06d2a43468a2a67bb26b7790629cb030dd9d2fa5ce9a8cdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]    Compiling never-say-never v6.6.666
[INFO] [stderr]    Compiling polonius-the-crab v0.2.1
[INFO] [stderr]    Compiling stack-trait v0.3.0
[INFO] [stderr]    Compiling macro_rules_attribute v0.1.3
[INFO] [stderr]    Compiling ext-trait-proc_macros v1.0.1
[INFO] [stderr]    Compiling nougat-proc_macros v0.2.4
[INFO] [stderr]    Compiling lending-iterator-proc_macros v0.1.7
[INFO] [stderr]    Compiling ext-trait v1.0.1
[INFO] [stderr]    Compiling extension-traits v1.0.1
[INFO] [stderr]    Compiling nougat v0.2.4
[INFO] [stderr]    Compiling lending-iterator v0.1.7
[INFO] [stderr]    Compiling vec_vec v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.86s
[INFO] running `Command { std: "docker" "inspect" "3044dda8503a7fdb06d2a43468a2a67bb26b7790629cb030dd9d2fa5ce9a8cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3044dda8503a7fdb06d2a43468a2a67bb26b7790629cb030dd9d2fa5ce9a8cdd", kill_on_drop: false }`
[INFO] [stdout] 3044dda8503a7fdb06d2a43468a2a67bb26b7790629cb030dd9d2fa5ce9a8cdd
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fd70492532a53dbb940b1de3d319e87664f3baeeef56bdf373a4b4864b4777e
[INFO] running `Command { std: "docker" "start" "-a" "6fd70492532a53dbb940b1de3d319e87664f3baeeef56bdf373a4b4864b4777e", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec_vec v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "6fd70492532a53dbb940b1de3d319e87664f3baeeef56bdf373a4b4864b4777e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd70492532a53dbb940b1de3d319e87664f3baeeef56bdf373a4b4864b4777e", kill_on_drop: false }`
[INFO] [stdout] 6fd70492532a53dbb940b1de3d319e87664f3baeeef56bdf373a4b4864b4777e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ec5afa38b700ec6b72a6ce1ea32ddd698c840b50d7e46dc84e315cbb3c69e0c
[INFO] running `Command { std: "docker" "start" "-a" "2ec5afa38b700ec6b72a6ce1ea32ddd698c840b50d7e46dc84e315cbb3c69e0c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vec_vec-340e763971e2350e)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test lending_iter::tests::for_empty_outer ... ok
[INFO] [stdout] test lending_iter_mut::tests::for_empty_inner ... ok
[INFO] [stdout] test lending_iter::tests::for_empty_inner ... ok
[INFO] [stdout] test lending_iter::tests::general_case ... ok
[INFO] [stdout] test lending_iter_mut::tests::for_empty_outer ... ok
[INFO] [stdout] test lending_iter_mut::tests::general_case ... ok
[INFO] [stdout] test popping_iter::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vec_vec
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/popping_iter.rs - popping_iter::PoppingIter (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ec5afa38b700ec6b72a6ce1ea32ddd698c840b50d7e46dc84e315cbb3c69e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec5afa38b700ec6b72a6ce1ea32ddd698c840b50d7e46dc84e315cbb3c69e0c", kill_on_drop: false }`
[INFO] [stdout] 2ec5afa38b700ec6b72a6ce1ea32ddd698c840b50d7e46dc84e315cbb3c69e0c