[INFO] fetching crate wasmer-vm 6.0.1...
[INFO] checking wasmer-vm-6.0.1 against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] extracting crate wasmer-vm 6.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate wasmer-vm 6.0.1 on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-vm 6.0.1
[INFO] finished tweaking crates.io crate wasmer-vm 6.0.1
[INFO] tweaked toml for crates.io crate wasmer-vm 6.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 112 packages to latest compatible versions
[INFO] [stderr]       Adding backtrace v0.3.74 (available: v0.3.75)
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[INFO] [stderr]       Adding more-asserts v0.2.2 (available: v0.3.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.12)
[INFO] [stderr]       Adding windows-sys v0.59.0 (available: v0.60.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded libunwind v1.3.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b03640b5ae62837e42462ad5667918680f74381c432d246ee16713d65eabfb1c
[INFO] running `Command { std: "docker" "start" "-a" "b03640b5ae62837e42462ad5667918680f74381c432d246ee16713d65eabfb1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b03640b5ae62837e42462ad5667918680f74381c432d246ee16713d65eabfb1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b03640b5ae62837e42462ad5667918680f74381c432d246ee16713d65eabfb1c", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f569f6ec8d890c050a90eee01f53b32d0f86f6c0d1e193da2895707dcea60fc
[INFO] running `Command { std: "docker" "start" "-a" "4f569f6ec8d890c050a90eee01f53b32d0f86f6c0d1e193da2895707dcea60fc", kill_on_drop: false }`
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[INFO] [stdout] warning: a dangling pointer will be produced because the temporary `Vec<u8>` will be dropped
[INFO] [stdout]    --> src/instance/mod.rs:376:33
[INFO] [stdout]     |
[INFO] [stdout] 376 |         let values_vec = vec![].as_mut_ptr();
[INFO] [stdout]     |                          ------ ^^^^^^^^^^ this pointer will immediately be invalid
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this `Vec<u8>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `Vec<u8>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: you must make sure that the variable you bind the `Vec<u8>` to lives at least as long as the pointer returned by the call to `as_mut_ptr`
[INFO] [stdout]     = help: in particular, if this pointer is returned from the current function, binding the `Vec<u8>` inside the function will not suffice
[INFO] [stdout]     = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout]     = note: `#[warn(dangling_pointers_from_temporaries)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/instance/mod.rs:1301:20
[INFO] [stdout]      |
[INFO] [stdout] 1301 |     pub fn exports(&self) -> indexmap::map::Iter<String, ExportIndex> {
[INFO] [stdout]      |                    ^^^^^     ---------------------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                    |
[INFO] [stdout]      |                    this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1301 |     pub fn exports(&self) -> indexmap::map::Iter<'_, String, ExportIndex> {
[INFO] [stdout]      |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/store.rs:118:25
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn iter_globals(&self) -> Iter<VMGlobal> {
[INFO] [stdout]     |                         ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn iter_globals(&self) -> Iter<'_, VMGlobal> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/vmcontext.rs:640:5
[INFO] [stdout]     |
[INFO] [stdout] 629 | #[derive(Debug, Clone, Copy, Hash, PartialEq, Eq)]
[INFO] [stdout]     |                                    --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 640 |     pub call_trampoline: VMTrampoline,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a dangling pointer will be produced because the temporary `Vec<u8>` will be dropped
[INFO] [stdout]    --> src/instance/mod.rs:376:33
[INFO] [stdout]     |
[INFO] [stdout] 376 |         let values_vec = vec![].as_mut_ptr();
[INFO] [stdout]     |                          ------ ^^^^^^^^^^ this pointer will immediately be invalid
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this `Vec<u8>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `Vec<u8>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: you must make sure that the variable you bind the `Vec<u8>` to lives at least as long as the pointer returned by the call to `as_mut_ptr`
[INFO] [stdout]     = help: in particular, if this pointer is returned from the current function, binding the `Vec<u8>` inside the function will not suffice
[INFO] [stdout]     = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout]     = note: `#[warn(dangling_pointers_from_temporaries)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/instance/mod.rs:1301:20
[INFO] [stdout]      |
[INFO] [stdout] 1301 |     pub fn exports(&self) -> indexmap::map::Iter<String, ExportIndex> {
[INFO] [stdout]      |                    ^^^^^     ---------------------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                    |
[INFO] [stdout]      |                    this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1301 |     pub fn exports(&self) -> indexmap::map::Iter<'_, String, ExportIndex> {
[INFO] [stdout]      |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/store.rs:118:25
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn iter_globals(&self) -> Iter<VMGlobal> {
[INFO] [stdout]     |                         ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn iter_globals(&self) -> Iter<'_, VMGlobal> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/vmcontext.rs:640:5
[INFO] [stdout]     |
[INFO] [stdout] 629 | #[derive(Debug, Clone, Copy, Hash, PartialEq, Eq)]
[INFO] [stdout]     |                                    --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 640 |     pub call_trampoline: VMTrampoline,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.60s
[INFO] running `Command { std: "docker" "inspect" "4f569f6ec8d890c050a90eee01f53b32d0f86f6c0d1e193da2895707dcea60fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f569f6ec8d890c050a90eee01f53b32d0f86f6c0d1e193da2895707dcea60fc", kill_on_drop: false }`
[INFO] [stdout] 4f569f6ec8d890c050a90eee01f53b32d0f86f6c0d1e193da2895707dcea60fc
