[INFO] fetching crate jsonnet 0.1.0...
[INFO] checking jsonnet-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate jsonnet 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate jsonnet 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonnet 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate jsonnet 0.1.0
[INFO] tweaked toml for crates.io crate jsonnet 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 072ff0ab8fccacbb6996b018c784e757e3002453e644c659f92b2ecc84a8abe0
[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" "072ff0ab8fccacbb6996b018c784e757e3002453e644c659f92b2ecc84a8abe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "072ff0ab8fccacbb6996b018c784e757e3002453e644c659f92b2ecc84a8abe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072ff0ab8fccacbb6996b018c784e757e3002453e644c659f92b2ecc84a8abe0", kill_on_drop: false }`
[INFO] [stdout] 072ff0ab8fccacbb6996b018c784e757e3002453e644c659f92b2ecc84a8abe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75ed9b1d7260cf0e520910d35f8b50b52f67daa26263f92d10c3e8eae4b03ca1
[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" "75ed9b1d7260cf0e520910d35f8b50b52f67daa26263f92d10c3e8eae4b03ca1", kill_on_drop: false }`
[INFO] [stderr]     Checking jsonnet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stdout]   --> src/ffi/command.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[warn(private_no_mangle_fns)]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stdout]   --> src/ffi/command.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[warn(private_no_mangle_fns)]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `JsonnetVm`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi/command.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn jsonnet_make()     -> *mut JsonnetVm;
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi/command.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct JsonnetVm;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `JsonnetVm`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi/command.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn jsonnet_evaluate_file(vm: *mut JsonnetVm,filename: *const c_char,error:*mut size_t) -> *const c_char; 
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi/command.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct JsonnetVm;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `JsonnetVm`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi/command.rs:18:34
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn jsonnet_evaluate_snippet(vm: *mut JsonnetVm,filename: *const c_char,snippet: *const c_char,error:*mut size_t) ->*const c_char; 
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi/command.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct JsonnetVm;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `JsonnetVm`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi/command.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn jsonnet_destroy(vm: *mut JsonnetVm);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi/command.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct JsonnetVm;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `JsonnetVm`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi/command.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn jsonnet_make()     -> *mut JsonnetVm;
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi/command.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct JsonnetVm;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `JsonnetVm`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi/command.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn jsonnet_evaluate_file(vm: *mut JsonnetVm,filename: *const c_char,error:*mut size_t) -> *const c_char; 
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi/command.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct JsonnetVm;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `JsonnetVm`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi/command.rs:18:34
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn jsonnet_evaluate_snippet(vm: *mut JsonnetVm,filename: *const c_char,snippet: *const c_char,error:*mut size_t) ->*const c_char; 
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi/command.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct JsonnetVm;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `JsonnetVm`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi/command.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn jsonnet_destroy(vm: *mut JsonnetVm);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi/command.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct JsonnetVm;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]  --> test/test.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let msg  : *const c_char = Jsonnet::version();
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "75ed9b1d7260cf0e520910d35f8b50b52f67daa26263f92d10c3e8eae4b03ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ed9b1d7260cf0e520910d35f8b50b52f67daa26263f92d10c3e8eae4b03ca1", kill_on_drop: false }`
[INFO] [stdout] 75ed9b1d7260cf0e520910d35f8b50b52f67daa26263f92d10c3e8eae4b03ca1