[INFO] fetching crate crumbles 0.3.1...
[INFO] testing crumbles-0.3.1 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate crumbles 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate crumbles 0.3.1
[INFO] finished tweaking crates.io crate crumbles 0.3.1
[INFO] tweaked toml for crates.io crate crumbles 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crumbles 0.3.1 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3fbf97dc1d3f551beb73d0c4d06472e4aad052e5fe88522ff9435d75aba14de5
[INFO] running `Command { std: "docker" "start" "-a" "3fbf97dc1d3f551beb73d0c4d06472e4aad052e5fe88522ff9435d75aba14de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fbf97dc1d3f551beb73d0c4d06472e4aad052e5fe88522ff9435d75aba14de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fbf97dc1d3f551beb73d0c4d06472e4aad052e5fe88522ff9435d75aba14de5", kill_on_drop: false }`
[INFO] [stdout] 3fbf97dc1d3f551beb73d0c4d06472e4aad052e5fe88522ff9435d75aba14de5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 03d84a2690529590e4cec763a0bf8a06fe3291b01bd92de3899dc4cb318a4c9c
[INFO] running `Command { std: "docker" "start" "-a" "03d84a2690529590e4cec763a0bf8a06fe3291b01bd92de3899dc4cb318a4c9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rangemap v1.7.1
[INFO] [stderr]    Compiling crumbles v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/lib.rs:808:44
[INFO] [stdout]     |
[INFO] [stdout] 808 |             sa_sigaction: segfault_handler as _,
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 808 |             sa_sigaction: segfault_handler as *const () as _,
[INFO] [stdout]     |                                            ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "03d84a2690529590e4cec763a0bf8a06fe3291b01bd92de3899dc4cb318a4c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d84a2690529590e4cec763a0bf8a06fe3291b01bd92de3899dc4cb318a4c9c", kill_on_drop: false }`
[INFO] [stdout] 03d84a2690529590e4cec763a0bf8a06fe3291b01bd92de3899dc4cb318a4c9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bcef1c2db5f422e5f60096414eb4fd364dd64afc23f3730c415841e4c29a498a
[INFO] running `Command { std: "docker" "start" "-a" "bcef1c2db5f422e5f60096414eb4fd364dd64afc23f3730c415841e4c29a498a", kill_on_drop: false }`
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/lib.rs:808:44
[INFO] [stdout]     |
[INFO] [stdout] 808 |             sa_sigaction: segfault_handler as _,
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 808 |             sa_sigaction: segfault_handler as *const () as _,
[INFO] [stdout]     |                                            ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zerocopy v0.8.35
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling constant_time_eq v0.4.2
[INFO] [stderr]    Compiling blake3 v1.8.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crumbles v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/lib.rs:808:44
[INFO] [stdout]     |
[INFO] [stdout] 808 |             sa_sigaction: segfault_handler as _,
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 808 |             sa_sigaction: segfault_handler as *const () as _,
[INFO] [stdout]     |                                            ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.24s
[INFO] running `Command { std: "docker" "inspect" "bcef1c2db5f422e5f60096414eb4fd364dd64afc23f3730c415841e4c29a498a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcef1c2db5f422e5f60096414eb4fd364dd64afc23f3730c415841e4c29a498a", kill_on_drop: false }`
[INFO] [stdout] bcef1c2db5f422e5f60096414eb4fd364dd64afc23f3730c415841e4c29a498a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3a12c58c2e291fd10e7e75440451a9732743f2240e9f6853d6856cadaa1ed70f
[INFO] running `Command { std: "docker" "start" "-a" "3a12c58c2e291fd10e7e75440451a9732743f2240e9f6853d6856cadaa1ed70f", kill_on_drop: false }`
[INFO] [stderr] warning: direct cast of function item into an integer
[INFO] [stderr]    --> src/lib.rs:808:44
[INFO] [stderr]     |
[INFO] [stderr] 808 |             sa_sigaction: segfault_handler as _,
[INFO] [stderr]     |                                            ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stderr] help: first cast to a pointer `as *const ()`
[INFO] [stderr]     |
[INFO] [stderr] 808 |             sa_sigaction: segfault_handler as *const () as _,
[INFO] [stderr]     |                                            ++++++++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `crumbles` (lib) generated 1 warning (run `cargo fix --lib -p crumbles` to apply 1 suggestion)
[INFO] [stderr] warning: `crumbles` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crumbles-40c6da41ccf8a8cf)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::revert ... ok
[INFO] [stdout] test tests::multi_revert ... ok
[INFO] [stdout] test tests::apply_preserves_earliest_clean_state ... ok
[INFO] [stdout] test tests::more_reverts_than_snaps ... ok
[INFO] [stdout] test tests::tc_snaps_min_neo ... ok
[INFO] [stdout] test tests::tc_apply3 ... ok
[INFO] [stdout] test tests::write ... ok
[INFO] [stdout] test tests::tc_apply2 ... ok
[INFO] [stdout] test tests::apply ... ok
[INFO] [stdout] test tests::write_multi_thread ... ok
[INFO] [stdout] test tests::apply_revert_apply ... ok
[INFO] [stdout] test tests::tc_apply_neo ... ok
[INFO] [stdout] test tests::snap_revert_revert_apply_scenario ... ok
[INFO] [stdout] test tests::tc_snaps_min ... ok
[INFO] [stdout] test tests::tc_apply2_neo ... ok
[INFO] [stdout] test tests::tc_snaps ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crumbles
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Mmap::new (line 95) ... ok
[INFO] [stdout] test src/lib.rs - Mmap::dirty_pages (line 286) ... ok
[INFO] [stdout] test src/lib.rs - Mmap::apply (line 261) ... ok
[INFO] [stdout] test src/lib.rs - Mmap::snap (line 192) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - Mmap::revert (line 228) ... ok
[INFO] [stdout] test src/lib.rs - Mmap::with_files (line 129) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Mmap::with_files (line 129) stdout ----
[INFO] [stdout] Test executable failed (signal: 11 (SIGSEGV) (core dumped)).
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Mmap::with_files (line 129)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.95s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a12c58c2e291fd10e7e75440451a9732743f2240e9f6853d6856cadaa1ed70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a12c58c2e291fd10e7e75440451a9732743f2240e9f6853d6856cadaa1ed70f", kill_on_drop: false }`
[INFO] [stdout] 3a12c58c2e291fd10e7e75440451a9732743f2240e9f6853d6856cadaa1ed70f
