[INFO] fetching crate rust_storage_interface_library 0.1.30...
[INFO] checking rust_storage_interface_library-0.1.30 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate rust_storage_interface_library 0.1.30 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rust_storage_interface_library 0.1.30 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_storage_interface_library 0.1.30
[INFO] finished tweaking crates.io crate rust_storage_interface_library 0.1.30
[INFO] tweaked toml for crates.io crate rust_storage_interface_library 0.1.30 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialize_deserialize_u8_i32 v0.1.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4102c4e69d247436fd7bf2b770d1c37a3b991d0d415b28086c0bbfcc08382cc9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4102c4e69d247436fd7bf2b770d1c37a3b991d0d415b28086c0bbfcc08382cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4102c4e69d247436fd7bf2b770d1c37a3b991d0d415b28086c0bbfcc08382cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4102c4e69d247436fd7bf2b770d1c37a3b991d0d415b28086c0bbfcc08382cc9", kill_on_drop: false }`
[INFO] [stdout] 4102c4e69d247436fd7bf2b770d1c37a3b991d0d415b28086c0bbfcc08382cc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 507c7656641c81ca2a877d26b063847be6b58e33c3d5852987546ac5742f30a3
[INFO] running `Command { std: "docker" "start" "-a" "507c7656641c81ca2a877d26b063847be6b58e33c3d5852987546ac5742f30a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking serialize_deserialize_u8_i32 v0.1.34
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking rust_storage_interface_library v0.1.30 (/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 24.53s
[INFO] running `Command { std: "docker" "inspect" "507c7656641c81ca2a877d26b063847be6b58e33c3d5852987546ac5742f30a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507c7656641c81ca2a877d26b063847be6b58e33c3d5852987546ac5742f30a3", kill_on_drop: false }`
[INFO] [stdout] 507c7656641c81ca2a877d26b063847be6b58e33c3d5852987546ac5742f30a3