[INFO] fetching crate sppark 0.1.15...
[INFO] testing sppark-0.1.15 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate sppark 0.1.15 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate sppark 0.1.15
[INFO] finished tweaking crates.io crate sppark 0.1.15
[INFO] tweaked toml for crates.io crate sppark 0.1.15 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sppark 0.1.15 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sppark 0.1.15 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.16.0
[INFO] [stderr]   Downloaded bitflags v2.12.1
[INFO] [stderr]   Downloaded find-msvc-tools v0.1.9
[INFO] [stderr]   Downloaded cc v1.2.63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c6a3e3040c23122c87f7a98eae8988845ad2de52721b8d0a3a856a724b15b3b2
[INFO] running `Command { std: "docker" "start" "c6a3e3040c23122c87f7a98eae8988845ad2de52721b8d0a3a856a724b15b3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6a3e3040c23122c87f7a98eae8988845ad2de52721b8d0a3a856a724b15b3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c6a3e3040c23122c87f7a98eae8988845ad2de52721b8d0a3a856a724b15b3b2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6a3e3040c23122c87f7a98eae8988845ad2de52721b8d0a3a856a724b15b3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c6a3e3040c23122c87f7a98eae8988845ad2de52721b8d0a3a856a724b15b3b2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.12.1
[INFO] [stderr]    Compiling shlex v2.0.1
[INFO] [stderr]    Compiling either v1.16.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling cc v1.2.63
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling sppark v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: suspicious definition of the runtime `free` symbol used by the standard library
[INFO] [stdout]   --> src/lib.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             fn free(str: Option<core::ptr::NonNull<i8>>);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(*mut c_void)` (for the current target)
[INFO] [stdout]            found    `unsafe extern "C" fn(Option<NonNull<i8>>)`
[INFO] [stdout]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "free")]`, or `#[link_name = "free"]`
[INFO] [stdout]    = help: allow this lint if the signature is compatible
[INFO] [stdout]    = note: `#[warn(suspicious_runtime_symbol_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.28s
[INFO] running `Command { std: "docker" "inspect" "c6a3e3040c23122c87f7a98eae8988845ad2de52721b8d0a3a856a724b15b3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c6a3e3040c23122c87f7a98eae8988845ad2de52721b8d0a3a856a724b15b3b2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: suspicious definition of the runtime `free` symbol used by the standard library
[INFO] [stdout]   --> src/lib.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             fn free(str: Option<core::ptr::NonNull<i8>>);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(*mut c_void)` (for the current target)
[INFO] [stdout]            found    `unsafe extern "C" fn(Option<NonNull<i8>>)`
[INFO] [stdout]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "free")]`, or `#[link_name = "free"]`
[INFO] [stdout]    = help: allow this lint if the signature is compatible
[INFO] [stdout]    = note: `#[warn(suspicious_runtime_symbol_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sppark v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: suspicious definition of the runtime `free` symbol used by the standard library
[INFO] [stdout]   --> src/lib.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             fn free(str: Option<core::ptr::NonNull<i8>>);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(*mut c_void)` (for the current target)
[INFO] [stdout]            found    `unsafe extern "C" fn(Option<NonNull<i8>>)`
[INFO] [stdout]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "free")]`, or `#[link_name = "free"]`
[INFO] [stdout]    = help: allow this lint if the signature is compatible
[INFO] [stdout]    = note: `#[warn(suspicious_runtime_symbol_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "c6a3e3040c23122c87f7a98eae8988845ad2de52721b8d0a3a856a724b15b3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c6a3e3040c23122c87f7a98eae8988845ad2de52721b8d0a3a856a724b15b3b2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: suspicious definition of the runtime `free` symbol used by the standard library
[INFO] [stderr]   --> src/lib.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             fn free(str: Option<core::ptr::NonNull<i8>>);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected `unsafe extern "C" fn(*mut c_void)` (for the current target)
[INFO] [stderr]            found    `unsafe extern "C" fn(Option<NonNull<i8>>)`
[INFO] [stderr]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "free")]`, or `#[link_name = "free"]`
[INFO] [stderr]    = help: allow this lint if the signature is compatible
[INFO] [stderr]    = note: `#[warn(suspicious_runtime_symbol_definitions)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sppark` (lib) generated 1 warning
[INFO] [stderr] warning: `sppark` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sppark-f965a70390fb958f)
[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 sppark
[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" "c6a3e3040c23122c87f7a98eae8988845ad2de52721b8d0a3a856a724b15b3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a3e3040c23122c87f7a98eae8988845ad2de52721b8d0a3a856a724b15b3b2", kill_on_drop: false }`
[INFO] [stdout] c6a3e3040c23122c87f7a98eae8988845ad2de52721b8d0a3a856a724b15b3b2
