[INFO] fetching crate skipdb-core 0.2.0...
[INFO] testing skipdb-core-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate skipdb-core 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate skipdb-core 0.2.0
[INFO] finished tweaking crates.io crate skipdb-core 0.2.0
[INFO] tweaked toml for crates.io crate skipdb-core 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate skipdb-core 0.2.0 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 60 packages to latest compatible versions
[INFO] [stderr]       Adding smallvec-wrapper v0.1.2 (available: v0.3.0)
[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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac1f763e49525cbf9b5479bff13ec275ac739bd7fa61d7024ddc89ab36cbbcb2
[INFO] running `Command { std: "docker" "start" "-a" "ac1f763e49525cbf9b5479bff13ec275ac739bd7fa61d7024ddc89ab36cbbcb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac1f763e49525cbf9b5479bff13ec275ac739bd7fa61d7024ddc89ab36cbbcb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1f763e49525cbf9b5479bff13ec275ac739bd7fa61d7024ddc89ab36cbbcb2", kill_on_drop: false }`
[INFO] [stdout] ac1f763e49525cbf9b5479bff13ec275ac739bd7fa61d7024ddc89ab36cbbcb2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25526f8daddd940da80f13ae7496ed70282caa4a2256f167e24ffbce982cbf2d
[INFO] running `Command { std: "docker" "start" "-a" "25526f8daddd940da80f13ae7496ed70282caa4a2256f167e24ffbce982cbf2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling cheap-clone v0.1.8
[INFO] [stderr]    Compiling smallvec-wrapper v0.1.2
[INFO] [stderr]    Compiling crossbeam-skiplist v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling txn-core v0.1.3
[INFO] [stderr]    Compiling skipdb-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `Command { std: "docker" "inspect" "25526f8daddd940da80f13ae7496ed70282caa4a2256f167e24ffbce982cbf2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25526f8daddd940da80f13ae7496ed70282caa4a2256f167e24ffbce982cbf2d", kill_on_drop: false }`
[INFO] [stdout] 25526f8daddd940da80f13ae7496ed70282caa4a2256f167e24ffbce982cbf2d
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1a6a760371a903647b13815d419f6b9bc77bc8a31f04f550f7c35e0e3b78f5e
[INFO] running `Command { std: "docker" "start" "-a" "b1a6a760371a903647b13815d419f6b9bc77bc8a31f04f550f7c35e0e3b78f5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling skipdb-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "b1a6a760371a903647b13815d419f6b9bc77bc8a31f04f550f7c35e0e3b78f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a6a760371a903647b13815d419f6b9bc77bc8a31f04f550f7c35e0e3b78f5e", kill_on_drop: false }`
[INFO] [stdout] b1a6a760371a903647b13815d419f6b9bc77bc8a31f04f550f7c35e0e3b78f5e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 412d860974c6e125f9958d2c1f8e373c4c04e025395dfdeb35254dcbcde4e9c5
[INFO] running `Command { std: "docker" "start" "-a" "412d860974c6e125f9958d2c1f8e373c4c04e025395dfdeb35254dcbcde4e9c5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/skipdb_core-5dbe48d181d25a13)
[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 skipdb_core
[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" "412d860974c6e125f9958d2c1f8e373c4c04e025395dfdeb35254dcbcde4e9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412d860974c6e125f9958d2c1f8e373c4c04e025395dfdeb35254dcbcde4e9c5", kill_on_drop: false }`
[INFO] [stdout] 412d860974c6e125f9958d2c1f8e373c4c04e025395dfdeb35254dcbcde4e9c5