[INFO] fetching crate wasmtime_serde_guest 0.1.0... [INFO] testing wasmtime_serde_guest-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate wasmtime_serde_guest 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate wasmtime_serde_guest 0.1.0 [INFO] finished tweaking crates.io crate wasmtime_serde_guest 0.1.0 [INFO] tweaked toml for crates.io crate wasmtime_serde_guest 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate wasmtime_serde_guest 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding bincode v1.3.3 (available: v2.0.1) [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 440da9d6e82d79d7a67a5005531d76f22372a492fdb27bcfdfb6895325c05935 [INFO] running `Command { std: "docker" "start" "-a" "440da9d6e82d79d7a67a5005531d76f22372a492fdb27bcfdfb6895325c05935", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "440da9d6e82d79d7a67a5005531d76f22372a492fdb27bcfdfb6895325c05935", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "440da9d6e82d79d7a67a5005531d76f22372a492fdb27bcfdfb6895325c05935", kill_on_drop: false }` [INFO] [stdout] 440da9d6e82d79d7a67a5005531d76f22372a492fdb27bcfdfb6895325c05935 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] bed3f481f16e57bd1205945d3a6cdb1183be5855129ca3833bc6dbd64acbc8aa [INFO] running `Command { std: "docker" "start" "-a" "bed3f481f16e57bd1205945d3a6cdb1183be5855129ca3833bc6dbd64acbc8aa", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling wasmtime_serde_guest_macro v0.1.0 [INFO] [stderr] Compiling wasmtime_serde_guest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance [INFO] [stdout] --> src/lib.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | let ptr = std::mem::transmute::(ptr as _); [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 [INFO] [stdout] = help: for more information about exposed provenance, see [INFO] [stdout] = note: `#[warn(integer_to_ptr_transmutes)]` on by default [INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance [INFO] [stdout] | [INFO] [stdout] 17 - let ptr = std::mem::transmute::(ptr as _); [INFO] [stdout] 17 + let ptr = std::ptr::with_exposed_provenance_mut::(ptr as _); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance [INFO] [stdout] --> src/lib.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | let ptr = std::mem::transmute::(ptr as _); [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 [INFO] [stdout] = help: for more information about exposed provenance, see [INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance [INFO] [stdout] | [INFO] [stdout] 32 - let ptr = std::mem::transmute::(ptr as _); [INFO] [stdout] 32 + let ptr = std::ptr::with_exposed_provenance_mut::(ptr as _); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.07s [INFO] running `Command { std: "docker" "inspect" "bed3f481f16e57bd1205945d3a6cdb1183be5855129ca3833bc6dbd64acbc8aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bed3f481f16e57bd1205945d3a6cdb1183be5855129ca3833bc6dbd64acbc8aa", kill_on_drop: false }` [INFO] [stdout] bed3f481f16e57bd1205945d3a6cdb1183be5855129ca3833bc6dbd64acbc8aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 965c4ffb9aaf96c0627daae94fc128d3dcfdb54e0ad2de11cefc50d4ee867372 [INFO] running `Command { std: "docker" "start" "-a" "965c4ffb9aaf96c0627daae94fc128d3dcfdb54e0ad2de11cefc50d4ee867372", kill_on_drop: false }` [INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance [INFO] [stdout] --> src/lib.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | let ptr = std::mem::transmute::(ptr as _); [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 [INFO] [stdout] = help: for more information about exposed provenance, see [INFO] [stdout] = note: `#[warn(integer_to_ptr_transmutes)]` on by default [INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance [INFO] [stdout] | [INFO] [stdout] 17 - let ptr = std::mem::transmute::(ptr as _); [INFO] [stdout] 17 + let ptr = std::ptr::with_exposed_provenance_mut::(ptr as _); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance [INFO] [stdout] --> src/lib.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | let ptr = std::mem::transmute::(ptr as _); [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 [INFO] [stdout] = help: for more information about exposed provenance, see [INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance [INFO] [stdout] | [INFO] [stdout] 32 - let ptr = std::mem::transmute::(ptr as _); [INFO] [stdout] 32 + let ptr = std::ptr::with_exposed_provenance_mut::(ptr as _); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling wasmtime_serde_guest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance [INFO] [stdout] --> src/lib.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | let ptr = std::mem::transmute::(ptr as _); [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 [INFO] [stdout] = help: for more information about exposed provenance, see [INFO] [stdout] = note: `#[warn(integer_to_ptr_transmutes)]` on by default [INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance [INFO] [stdout] | [INFO] [stdout] 17 - let ptr = std::mem::transmute::(ptr as _); [INFO] [stdout] 17 + let ptr = std::ptr::with_exposed_provenance_mut::(ptr as _); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance [INFO] [stdout] --> src/lib.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | let ptr = std::mem::transmute::(ptr as _); [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 [INFO] [stdout] = help: for more information about exposed provenance, see [INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance [INFO] [stdout] | [INFO] [stdout] 32 - let ptr = std::mem::transmute::(ptr as _); [INFO] [stdout] 32 + let ptr = std::ptr::with_exposed_provenance_mut::(ptr as _); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "965c4ffb9aaf96c0627daae94fc128d3dcfdb54e0ad2de11cefc50d4ee867372", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "965c4ffb9aaf96c0627daae94fc128d3dcfdb54e0ad2de11cefc50d4ee867372", kill_on_drop: false }` [INFO] [stdout] 965c4ffb9aaf96c0627daae94fc128d3dcfdb54e0ad2de11cefc50d4ee867372 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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", kill_on_drop: false }` [INFO] [stdout] 29cf784ca6b19cc8e15b9a53d4646c85505c5cd88db76d7be4d1a32af3b312b6 [INFO] running `Command { std: "docker" "start" "-a" "29cf784ca6b19cc8e15b9a53d4646c85505c5cd88db76d7be4d1a32af3b312b6", kill_on_drop: false }` [INFO] [stderr] warning: transmuting an integer to a pointer creates a pointer without provenance [INFO] [stderr] --> src/lib.rs:17:12 [INFO] [stderr] | [INFO] [stderr] 17 | let ptr = std::mem::transmute::(ptr as _); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this is dangerous because dereferencing the resulting pointer is undefined behavior [INFO] [stderr] = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance [INFO] [stderr] = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut` [INFO] [stderr] = help: for more information about transmute, see [INFO] [stderr] = help: for more information about exposed provenance, see [INFO] [stderr] = note: `#[warn(integer_to_ptr_transmutes)]` on by default [INFO] [stderr] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance [INFO] [stderr] | [INFO] [stderr] 17 - let ptr = std::mem::transmute::(ptr as _); [INFO] [stderr] 17 + let ptr = std::ptr::with_exposed_provenance_mut::(ptr as _); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: transmuting an integer to a pointer creates a pointer without provenance [INFO] [stderr] --> src/lib.rs:32:12 [INFO] [stderr] | [INFO] [stderr] 32 | let ptr = std::mem::transmute::(ptr as _); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this is dangerous because dereferencing the resulting pointer is undefined behavior [INFO] [stderr] = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance [INFO] [stderr] = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut` [INFO] [stderr] = help: for more information about transmute, see [INFO] [stderr] = help: for more information about exposed provenance, see [INFO] [stderr] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance [INFO] [stderr] | [INFO] [stderr] 32 - let ptr = std::mem::transmute::(ptr as _); [INFO] [stderr] 32 + let ptr = std::ptr::with_exposed_provenance_mut::(ptr as _); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `wasmtime_serde_guest` (lib) generated 2 warnings (run `cargo fix --lib -p wasmtime_serde_guest` to apply 2 suggestions) [INFO] [stderr] warning: `wasmtime_serde_guest` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wasmtime_serde_guest-c7bdc1259a294c78) [INFO] [stderr] Doc-tests wasmtime_serde_guest [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" "29cf784ca6b19cc8e15b9a53d4646c85505c5cd88db76d7be4d1a32af3b312b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29cf784ca6b19cc8e15b9a53d4646c85505c5cd88db76d7be4d1a32af3b312b6", kill_on_drop: false }` [INFO] [stdout] 29cf784ca6b19cc8e15b9a53d4646c85505c5cd88db76d7be4d1a32af3b312b6