[INFO] fetching crate crt0stack 0.1.0...
[INFO] building crt0stack-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate crt0stack 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate crt0stack 0.1.0
[INFO] finished tweaking crates.io crate crt0stack 0.1.0
[INFO] tweaked toml for crates.io crate crt0stack 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crt0stack 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate crt0stack 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66df36b296bf46869dfefa3f66ddf50fa3256c10981b9346f6fe0890b3e0a5ed
[INFO] running `Command { std: "docker" "start" "-a" "66df36b296bf46869dfefa3f66ddf50fa3256c10981b9346f6fe0890b3e0a5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66df36b296bf46869dfefa3f66ddf50fa3256c10981b9346f6fe0890b3e0a5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66df36b296bf46869dfefa3f66ddf50fa3256c10981b9346f6fe0890b3e0a5ed", kill_on_drop: false }`
[INFO] [stdout] 66df36b296bf46869dfefa3f66ddf50fa3256c10981b9346f6fe0890b3e0a5ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f57a55fed1ad80c4bd165e560cc21bf44b4f762b4d2d4fa5b75af41e6ab78b50
[INFO] running `Command { std: "docker" "start" "-a" "f57a55fed1ad80c4bd165e560cc21bf44b4f762b4d2d4fa5b75af41e6ab78b50", kill_on_drop: false }`
[INFO] [stderr]    Compiling crt0stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "f57a55fed1ad80c4bd165e560cc21bf44b4f762b4d2d4fa5b75af41e6ab78b50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57a55fed1ad80c4bd165e560cc21bf44b4f762b4d2d4fa5b75af41e6ab78b50", kill_on_drop: false }`
[INFO] [stdout] f57a55fed1ad80c4bd165e560cc21bf44b4f762b4d2d4fa5b75af41e6ab78b50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ed0e70b93d0c30135955c5bba201fda6799a46f8b8d7d36726067c2476438a7
[INFO] running `Command { std: "docker" "start" "-a" "7ed0e70b93d0c30135955c5bba201fda6799a46f8b8d7d36726067c2476438a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crt0stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/builder.rs:538:37
[INFO] [stdout]     |
[INFO] [stdout] 538 |         let s: &[u8; 16] = unsafe { transmute(value) };
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]     = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 538 -         let s: &[u8; 16] = unsafe { transmute(value) };
[INFO] [stdout] 538 +         let s: &[u8; 16] = unsafe { &*std::ptr::with_exposed_provenance::<[u8; 16]>(value) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "7ed0e70b93d0c30135955c5bba201fda6799a46f8b8d7d36726067c2476438a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed0e70b93d0c30135955c5bba201fda6799a46f8b8d7d36726067c2476438a7", kill_on_drop: false }`
[INFO] [stdout] 7ed0e70b93d0c30135955c5bba201fda6799a46f8b8d7d36726067c2476438a7