[INFO] cloning repository https://github.com/jackie-h/rust-ffi-examples [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackie-h/rust-ffi-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackie-h%2Frust-ffi-examples", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackie-h%2Frust-ffi-examples'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dc885526ebb7fa77c6f40ae981c427c8318a0997 [INFO] checking jackie-h/rust-ffi-examples against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackie-h%2Frust-ffi-examples" "/workspace/builds/worker-84/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jackie-h/rust-ffi-examples on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jackie-h/rust-ffi-examples [INFO] finished tweaking git repo https://github.com/jackie-h/rust-ffi-examples [INFO] tweaked toml for git repo https://github.com/jackie-h/rust-ffi-examples written to /workspace/builds/worker-84/source/Cargo.toml [INFO] crate git repo https://github.com/jackie-h/rust-ffi-examples already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b4591ff1b0b1793bb94e2e21402483a77aad4fb85622f15e0862c9ae9ec7c708 [INFO] running `Command { std: "docker" "start" "-a" "b4591ff1b0b1793bb94e2e21402483a77aad4fb85622f15e0862c9ae9ec7c708", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4591ff1b0b1793bb94e2e21402483a77aad4fb85622f15e0862c9ae9ec7c708", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4591ff1b0b1793bb94e2e21402483a77aad4fb85622f15e0862c9ae9ec7c708", kill_on_drop: false }` [INFO] [stdout] b4591ff1b0b1793bb94e2e21402483a77aad4fb85622f15e0862c9ae9ec7c708 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd79b5facd0922c3964edd6f8033aee3af84608830309d4171a531ff607528a1 [INFO] running `Command { std: "docker" "start" "-a" "dd79b5facd0922c3964edd6f8033aee3af84608830309d4171a531ff607528a1", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Compiling cpp_examples v0.1.0 (/tmp/fixit/cpp_examples) [INFO] [stderr] Migrating cpp_examples/build.rs from 2018 edition to 2021 [INFO] [stderr] warning: src/Test.cpp: In function 'StringTest createStringTest()': [INFO] [stderr] warning: src/Test.cpp:10:18: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] [INFO] [stderr] warning: 10 | test->name = "Betty"; [INFO] [stderr] warning: | ^~~~~~~ [INFO] [stderr] warning: src/Test.cpp: In function 'UnionAndStringTest createUnionAndStringTest()': [INFO] [stderr] warning: src/Test.cpp:32:18: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] [INFO] [stderr] warning: 32 | name->name = "Fred"; [INFO] [stderr] warning: | ^~~~~~ [INFO] [stderr] Migrating cpp_examples/src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Compiling rust_ffi v0.1.0 (/tmp/fixit/rust_ffi) [INFO] [stderr] Migrating rust_ffi/build.rs from 2018 edition to 2021 [INFO] [stderr] Migrating rust_ffi/src/lib.rs from 2018 edition to 2021 [INFO] [stdout] warning: associated function is never used: `name` [INFO] [stdout] --> rust_ffi/src/lib.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | fn name(&self) -> &str { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `createStringTest` [INFO] [stdout] --> rust_ffi/src/lib.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | fn createStringTest() -> StringTest; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `createNestedTest` [INFO] [stdout] --> rust_ffi/src/lib.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | fn createNestedTest() -> NestedTest; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `createPointerTest` [INFO] [stdout] --> rust_ffi/src/lib.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | fn createPointerTest() -> PointerTest; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `createUnionAndStringTest` [INFO] [stdout] --> rust_ffi/src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | fn createUnionAndStringTest() -> UnionAndStringTest; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_string_test` [INFO] [stdout] --> rust_ffi/src/lib.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn create_string_test() -> Option [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_nested_test` [INFO] [stdout] --> rust_ffi/src/lib.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn create_nested_test() -> Option [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_pointer_test` [INFO] [stdout] --> rust_ffi/src/lib.rs:61:4 [INFO] [stdout] | [INFO] [stdout] 61 | fn create_pointer_test() -> Option [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_union_and_string_test` [INFO] [stdout] --> rust_ffi/src/lib.rs:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | fn create_union_and_string_test() -> Option [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rust_ffi_examples v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.62s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: src/Test.cpp: In function 'StringTest createStringTest()': [INFO] [stderr] warning: src/Test.cpp:10:18: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] [INFO] [stderr] warning: 10 | test->name = "Betty"; [INFO] [stderr] warning: | ^~~~~~~ [INFO] [stderr] warning: src/Test.cpp: In function 'UnionAndStringTest createUnionAndStringTest()': [INFO] [stderr] warning: src/Test.cpp:32:18: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] [INFO] [stderr] warning: 32 | name->name = "Fred"; [INFO] [stderr] warning: | ^~~~~~ [INFO] [stderr] Checking rust_ffi_examples v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: associated function is never used: `name` [INFO] [stdout] --> rust_ffi/src/lib.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | fn name(&self) -> &str { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `createStringTest` [INFO] [stdout] --> rust_ffi/src/lib.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | fn createStringTest() -> StringTest; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `createNestedTest` [INFO] [stdout] --> rust_ffi/src/lib.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | fn createNestedTest() -> NestedTest; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `createPointerTest` [INFO] [stdout] --> rust_ffi/src/lib.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | fn createPointerTest() -> PointerTest; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `createUnionAndStringTest` [INFO] [stdout] --> rust_ffi/src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | fn createUnionAndStringTest() -> UnionAndStringTest; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_string_test` [INFO] [stdout] --> rust_ffi/src/lib.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn create_string_test() -> Option [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_nested_test` [INFO] [stdout] --> rust_ffi/src/lib.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn create_nested_test() -> Option [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_pointer_test` [INFO] [stdout] --> rust_ffi/src/lib.rs:61:4 [INFO] [stdout] | [INFO] [stdout] 61 | fn create_pointer_test() -> Option [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_union_and_string_test` [INFO] [stdout] --> rust_ffi/src/lib.rs:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | fn create_union_and_string_test() -> Option [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "dd79b5facd0922c3964edd6f8033aee3af84608830309d4171a531ff607528a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd79b5facd0922c3964edd6f8033aee3af84608830309d4171a531ff607528a1", kill_on_drop: false }` [INFO] [stdout] dd79b5facd0922c3964edd6f8033aee3af84608830309d4171a531ff607528a1