[INFO] fetching crate small_btree 0.1.0...
[INFO] testing small_btree-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate small_btree 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate small_btree 0.1.0
[INFO] finished tweaking crates.io crate small_btree 0.1.0
[INFO] tweaked toml for crates.io crate small_btree 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate small_btree 0.1.0 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] crate crates.io crate small_btree 0.1.0 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-2025-10-28" "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] ab04c03d0c922f3cb3bb530c7282c3456c64fd42dee16fb4f3e3bc18facaf03d
[INFO] running `Command { std: "docker" "start" "-a" "ab04c03d0c922f3cb3bb530c7282c3456c64fd42dee16fb4f3e3bc18facaf03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab04c03d0c922f3cb3bb530c7282c3456c64fd42dee16fb4f3e3bc18facaf03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab04c03d0c922f3cb3bb530c7282c3456c64fd42dee16fb4f3e3bc18facaf03d", kill_on_drop: false }`
[INFO] [stdout] ab04c03d0c922f3cb3bb530c7282c3456c64fd42dee16fb4f3e3bc18facaf03d
[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] 840dd1743e934ff8a47bce8abd8a0f0e5834a913bd91acaa75893b5b6061c5e2
[INFO] running `Command { std: "docker" "start" "-a" "840dd1743e934ff8a47bce8abd8a0f0e5834a913bd91acaa75893b5b6061c5e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling small_btree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "840dd1743e934ff8a47bce8abd8a0f0e5834a913bd91acaa75893b5b6061c5e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "840dd1743e934ff8a47bce8abd8a0f0e5834a913bd91acaa75893b5b6061c5e2", kill_on_drop: false }`
[INFO] [stdout] 840dd1743e934ff8a47bce8abd8a0f0e5834a913bd91acaa75893b5b6061c5e2
[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] 44fc8cfa87437bcc320bc078dc2b003073dfff94df2f522f9fb1dc08a2552e8a
[INFO] running `Command { std: "docker" "start" "-a" "44fc8cfa87437bcc320bc078dc2b003073dfff94df2f522f9fb1dc08a2552e8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling small_btree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "44fc8cfa87437bcc320bc078dc2b003073dfff94df2f522f9fb1dc08a2552e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44fc8cfa87437bcc320bc078dc2b003073dfff94df2f522f9fb1dc08a2552e8a", kill_on_drop: false }`
[INFO] [stdout] 44fc8cfa87437bcc320bc078dc2b003073dfff94df2f522f9fb1dc08a2552e8a
[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] 815a2eb1354504c22d6f43e3437df802c78e058c0401d3eb8f7a6bd5ea271d10
[INFO] running `Command { std: "docker" "start" "-a" "815a2eb1354504c22d6f43e3437df802c78e058c0401d3eb8f7a6bd5ea271d10", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/small_btree-5a76a0bea8566ed3)
[INFO] [stderr]    Doc-tests small_btree
[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] [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" "815a2eb1354504c22d6f43e3437df802c78e058c0401d3eb8f7a6bd5ea271d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "815a2eb1354504c22d6f43e3437df802c78e058c0401d3eb8f7a6bd5ea271d10", kill_on_drop: false }`
[INFO] [stdout] 815a2eb1354504c22d6f43e3437df802c78e058c0401d3eb8f7a6bd5ea271d10