[INFO] fetching crate flex-page 2.1.0...
[INFO] testing flex-page-2.1.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate flex-page 2.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate flex-page 2.1.0
[INFO] finished tweaking crates.io crate flex-page 2.1.0
[INFO] tweaked toml for crates.io crate flex-page 2.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flex-page 2.1.0 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 243a1cb7248597c759e85f08566e7df0297c7f9ad4228ad18b75d1a81695b815
[INFO] running `Command { std: "docker" "start" "-a" "243a1cb7248597c759e85f08566e7df0297c7f9ad4228ad18b75d1a81695b815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "243a1cb7248597c759e85f08566e7df0297c7f9ad4228ad18b75d1a81695b815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "243a1cb7248597c759e85f08566e7df0297c7f9ad4228ad18b75d1a81695b815", kill_on_drop: false }`
[INFO] [stdout] 243a1cb7248597c759e85f08566e7df0297c7f9ad4228ad18b75d1a81695b815
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9314b8b421ccbc5f17be2457a6b064dfe468481e1c83fd912716abc51fdb2417
[INFO] running `Command { std: "docker" "start" "-a" "9314b8b421ccbc5f17be2457a6b064dfe468481e1c83fd912716abc51fdb2417", kill_on_drop: false }`
[INFO] [stderr]    Compiling flex-page v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "9314b8b421ccbc5f17be2457a6b064dfe468481e1c83fd912716abc51fdb2417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9314b8b421ccbc5f17be2457a6b064dfe468481e1c83fd912716abc51fdb2417", kill_on_drop: false }`
[INFO] [stdout] 9314b8b421ccbc5f17be2457a6b064dfe468481e1c83fd912716abc51fdb2417
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4678417c5afaf5df4a99b77fb39365f7b13185cc5bef703454c5eac3ac7cd0b4
[INFO] running `Command { std: "docker" "start" "-a" "4678417c5afaf5df4a99b77fb39365f7b13185cc5bef703454c5eac3ac7cd0b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling flex-page v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "4678417c5afaf5df4a99b77fb39365f7b13185cc5bef703454c5eac3ac7cd0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4678417c5afaf5df4a99b77fb39365f7b13185cc5bef703454c5eac3ac7cd0b4", kill_on_drop: false }`
[INFO] [stdout] 4678417c5afaf5df4a99b77fb39365f7b13185cc5bef703454c5eac3ac7cd0b4
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6f163f697f4d7cc06b35e63c4438cd565a9abfaeaa999b2769d2407d6b296f8e
[INFO] running `Command { std: "docker" "start" "-a" "6f163f697f4d7cc06b35e63c4438cd565a9abfaeaa999b2769d2407d6b296f8e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flex_page-bc1f963526e7e23d)
[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]      Running tests/alloc.rs (/opt/rustwide/target/debug/deps/alloc-cdcab68bddd9e532)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test alloc_page ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- alloc_page stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     alloc_page
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test alloc`
[INFO] running `Command { std: "docker" "inspect" "6f163f697f4d7cc06b35e63c4438cd565a9abfaeaa999b2769d2407d6b296f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f163f697f4d7cc06b35e63c4438cd565a9abfaeaa999b2769d2407d6b296f8e", kill_on_drop: false }`
[INFO] [stdout] 6f163f697f4d7cc06b35e63c4438cd565a9abfaeaa999b2769d2407d6b296f8e
