[INFO] fetching crate wasmedge_storage_interface 0.2.0...
[INFO] checking wasmedge_storage_interface-0.2.0 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate wasmedge_storage_interface 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wasmedge_storage_interface 0.2.0 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmedge_storage_interface 0.2.0
[INFO] finished tweaking crates.io crate wasmedge_storage_interface 0.2.0
[INFO] tweaked toml for crates.io crate wasmedge_storage_interface 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc43d1b50c6610e1c38524900d75483764d84c4509f63e5d37cd2652db687adc
[INFO] running `Command { std: "docker" "start" "-a" "bc43d1b50c6610e1c38524900d75483764d84c4509f63e5d37cd2652db687adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc43d1b50c6610e1c38524900d75483764d84c4509f63e5d37cd2652db687adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc43d1b50c6610e1c38524900d75483764d84c4509f63e5d37cd2652db687adc", kill_on_drop: false }`
[INFO] [stdout] bc43d1b50c6610e1c38524900d75483764d84c4509f63e5d37cd2652db687adc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 751723e1cc99b163beb238da02969caf8499952106883f09c08503587400f54b
[INFO] running `Command { std: "docker" "start" "-a" "751723e1cc99b163beb238da02969caf8499952106883f09c08503587400f54b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking serialize_deserialize_u8_i32 v0.1.34
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking wasmedge_storage_interface v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]   --> src/lib.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]   --> src/lib.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]    --> src/lib.rs:125:21
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]    --> src/lib.rs:152:21
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]    --> src/lib.rs:179:21
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]    --> src/lib.rs:206:21
[INFO] [stdout]     |
[INFO] [stdout] 206 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]    --> src/lib.rs:233:21
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]    --> src/lib.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]    --> src/lib.rs:291:21
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]    --> src/lib.rs:313:21
[INFO] [stdout]     |
[INFO] [stdout] 313 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_c_string_2`
[INFO] [stdout]    --> src/lib.rs:445:17
[INFO] [stdout]     |
[INFO] [stdout] 445 |             let var_c_string_2: CString = unsafe { CString::from_raw(ptr_c_string) };
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_c_string_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_c_string_2`
[INFO] [stdout]    --> src/lib.rs:473:17
[INFO] [stdout]     |
[INFO] [stdout] 473 |             let var_c_string_2: CString = unsafe { CString::from_raw(ptr_c_string) };
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_c_string_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]   --> src/lib.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]   --> src/lib.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]    --> src/lib.rs:125:21
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]    --> src/lib.rs:152:21
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]    --> src/lib.rs:179:21
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]    --> src/lib.rs:206:21
[INFO] [stdout]     |
[INFO] [stdout] 206 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]    --> src/lib.rs:233:21
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]    --> src/lib.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]    --> src/lib.rs:291:21
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_pointer_released`
[INFO] [stdout]    --> src/lib.rs:313:21
[INFO] [stdout]     |
[INFO] [stdout] 313 |                 let var_pointer_released = CString::from_raw(ptr_c_string);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_pointer_released`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_c_string_2`
[INFO] [stdout]    --> src/lib.rs:445:17
[INFO] [stdout]     |
[INFO] [stdout] 445 |             let var_c_string_2: CString = unsafe { CString::from_raw(ptr_c_string) };
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_c_string_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_c_string_2`
[INFO] [stdout]    --> src/lib.rs:473:17
[INFO] [stdout]     |
[INFO] [stdout] 473 |             let var_c_string_2: CString = unsafe { CString::from_raw(ptr_c_string) };
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_c_string_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.17s
[INFO] running `Command { std: "docker" "inspect" "751723e1cc99b163beb238da02969caf8499952106883f09c08503587400f54b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "751723e1cc99b163beb238da02969caf8499952106883f09c08503587400f54b", kill_on_drop: false }`
[INFO] [stdout] 751723e1cc99b163beb238da02969caf8499952106883f09c08503587400f54b