[INFO] fetching crate tg-rcore-tutorial-kernel-alloc 0.4.9...
[INFO] testing tg-rcore-tutorial-kernel-alloc-0.4.9 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate tg-rcore-tutorial-kernel-alloc 0.4.9 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate tg-rcore-tutorial-kernel-alloc 0.4.9
[INFO] finished tweaking crates.io crate tg-rcore-tutorial-kernel-alloc 0.4.9
[INFO] tweaked toml for crates.io crate tg-rcore-tutorial-kernel-alloc 0.4.9 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tg-rcore-tutorial-kernel-alloc 0.4.9 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tg-rcore-tutorial-kernel-alloc 0.4.9 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 235fbfc9a5353a8819815d2884af4e0f67c03572d0742cd3e7da7e66824f5860
[INFO] running `Command { std: "docker" "start" "-a" "235fbfc9a5353a8819815d2884af4e0f67c03572d0742cd3e7da7e66824f5860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "235fbfc9a5353a8819815d2884af4e0f67c03572d0742cd3e7da7e66824f5860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "235fbfc9a5353a8819815d2884af4e0f67c03572d0742cd3e7da7e66824f5860", kill_on_drop: false }`
[INFO] [stdout] 235fbfc9a5353a8819815d2884af4e0f67c03572d0742cd3e7da7e66824f5860
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bc76624fd500be584370fb2e52937eac2d1bc144c231b797401c2c0fd4c13d8
[INFO] running `Command { std: "docker" "start" "-a" "5bc76624fd500be584370fb2e52937eac2d1bc144c231b797401c2c0fd4c13d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling page-table v0.0.6
[INFO] [stderr]    Compiling customizable-buddy v0.0.4
[INFO] [stderr]    Compiling tg-rcore-tutorial-kernel-alloc v0.4.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning[E0133]: call to unsafe function `customizable_buddy::BuddyAllocator::<N, O, B>::transfer` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/lib.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     heap_mut().transfer(ptr, region.len());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/lib.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub unsafe fn transfer(region: &'static mut [u8]) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `customizable_buddy::BuddyAllocator::<N, O, B>::deallocate_layout` is unsafe and requires unsafe block
[INFO] [stdout]    --> src/lib.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         heap_mut().deallocate_layout(NonNull::new(ptr).unwrap(), layout)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]    --> src/lib.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "5bc76624fd500be584370fb2e52937eac2d1bc144c231b797401c2c0fd4c13d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc76624fd500be584370fb2e52937eac2d1bc144c231b797401c2c0fd4c13d8", kill_on_drop: false }`
[INFO] [stdout] 5bc76624fd500be584370fb2e52937eac2d1bc144c231b797401c2c0fd4c13d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d4534436f5380a2b8b2b8206855fcded5fdb5e1a05d974a6d07072248d4274d
[INFO] running `Command { std: "docker" "start" "-a" "7d4534436f5380a2b8b2b8206855fcded5fdb5e1a05d974a6d07072248d4274d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tg-rcore-tutorial-kernel-alloc v0.4.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning[E0133]: call to unsafe function `customizable_buddy::BuddyAllocator::<N, O, B>::transfer` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/lib.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     heap_mut().transfer(ptr, region.len());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/lib.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub unsafe fn transfer(region: &'static mut [u8]) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `customizable_buddy::BuddyAllocator::<N, O, B>::deallocate_layout` is unsafe and requires unsafe block
[INFO] [stdout]    --> src/lib.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         heap_mut().deallocate_layout(NonNull::new(ptr).unwrap(), layout)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]    --> src/lib.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `customizable_buddy::BuddyAllocator::<N, O, B>::transfer` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/lib.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     heap_mut().transfer(ptr, region.len());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/lib.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub unsafe fn transfer(region: &'static mut [u8]) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `customizable_buddy::BuddyAllocator::<N, O, B>::deallocate_layout` is unsafe and requires unsafe block
[INFO] [stdout]    --> src/lib.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         heap_mut().deallocate_layout(NonNull::new(ptr).unwrap(), layout)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]    --> src/lib.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "7d4534436f5380a2b8b2b8206855fcded5fdb5e1a05d974a6d07072248d4274d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4534436f5380a2b8b2b8206855fcded5fdb5e1a05d974a6d07072248d4274d", kill_on_drop: false }`
[INFO] [stdout] 7d4534436f5380a2b8b2b8206855fcded5fdb5e1a05d974a6d07072248d4274d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68d46020767c513572697290064f2d2556669c586cf02c9e9e79ee736f2ae4dc
[INFO] running `Command { std: "docker" "start" "-a" "68d46020767c513572697290064f2d2556669c586cf02c9e9e79ee736f2ae4dc", kill_on_drop: false }`
[INFO] [stderr] warning[E0133]: call to unsafe function `customizable_buddy::BuddyAllocator::<N, O, B>::transfer` is unsafe and requires unsafe block
[INFO] [stderr]   --> src/lib.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     heap_mut().transfer(ptr, region.len());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stderr]    |
[INFO] [stderr]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stderr] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stderr]   --> src/lib.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub unsafe fn transfer(region: &'static mut [u8]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stderr]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0133]: call to unsafe function `customizable_buddy::BuddyAllocator::<N, O, B>::deallocate_layout` is unsafe and requires unsafe block
[INFO] [stderr]    --> src/lib.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         heap_mut().deallocate_layout(NonNull::new(ptr).unwrap(), layout)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stderr]     |
[INFO] [stderr]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stderr] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stderr]    --> src/lib.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0133`.
[INFO] [stderr] warning: `tg-rcore-tutorial-kernel-alloc` (lib) generated 2 warnings (run `cargo fix --lib -p tg-rcore-tutorial-kernel-alloc` to apply 2 suggestions)
[INFO] [stderr] warning: `tg-rcore-tutorial-kernel-alloc` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tg_rcore_tutorial_kernel_alloc-c2c4dff20918b518)
[INFO] [stderr] memory allocation of 4 bytes failed
[INFO] [stderr] memory allocation of 4 bytes failed
[INFO] [stderr] skipping backtrace printing to avoid potential recursion
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/tg_rcore_tutorial_kernel_alloc-c2c4dff20918b518` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "68d46020767c513572697290064f2d2556669c586cf02c9e9e79ee736f2ae4dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d46020767c513572697290064f2d2556669c586cf02c9e9e79ee736f2ae4dc", kill_on_drop: false }`
[INFO] [stdout] 68d46020767c513572697290064f2d2556669c586cf02c9e9e79ee736f2ae4dc