[INFO] fetching crate safe_wren 0.1.0...
[INFO] testing safe_wren-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate safe_wren 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate safe_wren 0.1.0
[INFO] finished tweaking crates.io crate safe_wren 0.1.0
[INFO] tweaked toml for crates.io crate safe_wren 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate safe_wren 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate safe_wren 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b330c6991f8e932929acfa658bfecedc52035d211012c56570240438bed37dfe
[INFO] running `Command { std: "docker" "start" "-a" "b330c6991f8e932929acfa658bfecedc52035d211012c56570240438bed37dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b330c6991f8e932929acfa658bfecedc52035d211012c56570240438bed37dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b330c6991f8e932929acfa658bfecedc52035d211012c56570240438bed37dfe", kill_on_drop: false }`
[INFO] [stdout] b330c6991f8e932929acfa658bfecedc52035d211012c56570240438bed37dfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b481b9b898f33da30b791ea777b4221b2e3f5ae1b492de2975676457372ad540
[INFO] running `Command { std: "docker" "start" "-a" "b481b9b898f33da30b791ea777b4221b2e3f5ae1b492de2975676457372ad540", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling safe_wren v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `newSize` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         newSize: size_t,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `new_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `userData` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         userData: *mut c_void,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `user_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `className` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         className: *const c_char,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `class_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `isStatic` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         isStatic: bool,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `is_static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `className` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         className: *const c_char,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `class_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/ffi/c_api.rs:310:14
[INFO] [stdout]     |
[INFO] [stdout] 310 |     unsafe { Box::from_raw(vm_ptr) };
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 310 |     unsafe { let _ = Box::from_raw(vm_ptr); };
[INFO] [stdout]     |              +++++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "b481b9b898f33da30b791ea777b4221b2e3f5ae1b492de2975676457372ad540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b481b9b898f33da30b791ea777b4221b2e3f5ae1b492de2975676457372ad540", kill_on_drop: false }`
[INFO] [stdout] b481b9b898f33da30b791ea777b4221b2e3f5ae1b492de2975676457372ad540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 859c11d6f9ee362b89ab62e8e167ef95f8be4162e505f5983c74f19d39d89d4f
[INFO] running `Command { std: "docker" "start" "-a" "859c11d6f9ee362b89ab62e8e167ef95f8be4162e505f5983c74f19d39d89d4f", kill_on_drop: false }`
[INFO] [stdout] warning: variable `newSize` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         newSize: size_t,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `new_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `userData` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         userData: *mut c_void,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `user_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `className` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         className: *const c_char,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `class_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `isStatic` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         isStatic: bool,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `is_static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `className` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         className: *const c_char,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `class_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/ffi/c_api.rs:310:14
[INFO] [stdout]     |
[INFO] [stdout] 310 |     unsafe { Box::from_raw(vm_ptr) };
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 310 |     unsafe { let _ = Box::from_raw(vm_ptr); };
[INFO] [stdout]     |              +++++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling safe_wren v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `newSize` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         newSize: size_t,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `new_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `userData` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         userData: *mut c_void,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `user_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `className` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         className: *const c_char,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `class_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `isStatic` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         isStatic: bool,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `is_static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `className` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         className: *const c_char,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `class_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/ffi/c_api.rs:310:14
[INFO] [stdout]     |
[INFO] [stdout] 310 |     unsafe { Box::from_raw(vm_ptr) };
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 310 |     unsafe { let _ = Box::from_raw(vm_ptr); };
[INFO] [stdout]     |              +++++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "859c11d6f9ee362b89ab62e8e167ef95f8be4162e505f5983c74f19d39d89d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "859c11d6f9ee362b89ab62e8e167ef95f8be4162e505f5983c74f19d39d89d4f", kill_on_drop: false }`
[INFO] [stdout] 859c11d6f9ee362b89ab62e8e167ef95f8be4162e505f5983c74f19d39d89d4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b50c60968d384f0320ca537242833a0162d02328ec1931540ecd59c3d3db479
[INFO] running `Command { std: "docker" "start" "-a" "4b50c60968d384f0320ca537242833a0162d02328ec1931540ecd59c3d3db479", kill_on_drop: false }`
[INFO] [stderr] warning: variable `newSize` should have a snake case name
[INFO] [stderr]   --> src/ffi/c_api.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         newSize: size_t,
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `new_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `userData` should have a snake case name
[INFO] [stderr]   --> src/ffi/c_api.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         userData: *mut c_void,
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case: `user_data`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `className` should have a snake case name
[INFO] [stderr]   --> src/ffi/c_api.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         className: *const c_char,
[INFO] [stderr]    |         ^^^^^^^^^ help: convert the identifier to snake case: `class_name`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `isStatic` should have a snake case name
[INFO] [stderr]   --> src/ffi/c_api.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         isStatic: bool,
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case: `is_static`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `className` should have a snake case name
[INFO] [stderr]   --> src/ffi/c_api.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         className: *const c_char,
[INFO] [stderr]    |         ^^^^^^^^^ help: convert the identifier to snake case: `class_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]    --> src/ffi/c_api.rs:310:14
[INFO] [stderr]     |
[INFO] [stderr] 310 |     unsafe { Box::from_raw(vm_ptr) };
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 310 |     unsafe { let _ = Box::from_raw(vm_ptr); };
[INFO] [stderr]     |              +++++++                      +
[INFO] [stderr] 
[INFO] [stderr] warning: `safe_wren` (lib) generated 6 warnings
[INFO] [stderr] warning: `safe_wren` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/safe_wren-c467b69ca26b9efe)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test vm::tests::value_num_hash_unique ... ok
[INFO] [stdout] test float_to_string::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/wren_debug.rs (/opt/rustwide/target/debug/deps/wren_debug-354ed97e24c4b0a5)
[INFO] [stdout] test result: ok. 2 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] [stderr]      Running unittests src/bin/wren_test/main.rs (/opt/rustwide/target/debug/deps/wren_test-7d0608c34db53a59)
[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] [stderr]    Doc-tests safe_wren
[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" "4b50c60968d384f0320ca537242833a0162d02328ec1931540ecd59c3d3db479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b50c60968d384f0320ca537242833a0162d02328ec1931540ecd59c3d3db479", kill_on_drop: false }`
[INFO] [stdout] 4b50c60968d384f0320ca537242833a0162d02328ec1931540ecd59c3d3db479
