[INFO] cloning repository https://github.com/eduidl/rust-ffi-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eduidl/rust-ffi-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feduidl%2Frust-ffi-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feduidl%2Frust-ffi-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbc79947cf85b541a5e24ca5e4784c51ad106ccb
[INFO] testing eduidl/rust-ffi-example against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feduidl%2Frust-ffi-example" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eduidl/rust-ffi-example on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eduidl/rust-ffi-example
[INFO] finished tweaking git repo https://github.com/eduidl/rust-ffi-example
[INFO] tweaked toml for git repo https://github.com/eduidl/rust-ffi-example written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/eduidl/rust-ffi-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ff036fb05cf82de6160726a8755420d09f876a1cc4ee92b26feaf6af9d6f3f0
[INFO] running `Command { std: "docker" "start" "-a" "0ff036fb05cf82de6160726a8755420d09f876a1cc4ee92b26feaf6af9d6f3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ff036fb05cf82de6160726a8755420d09f876a1cc4ee92b26feaf6af9d6f3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff036fb05cf82de6160726a8755420d09f876a1cc4ee92b26feaf6af9d6f3f0", kill_on_drop: false }`
[INFO] [stdout] 0ff036fb05cf82de6160726a8755420d09f876a1cc4ee92b26feaf6af9d6f3f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a66feb24caa7a243718c7eea5e21798d0ff059804274be6e13b13bffef81a428
[INFO] running `Command { std: "docker" "start" "-a" "a66feb24caa7a243718c7eea5e21798d0ff059804274be6e13b13bffef81a428", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling c_vec v2.0.0
[INFO] [stderr]    Compiling clang-sys v1.0.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling libloading v0.6.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling ffi-example-sys v0.1.0 (/opt/rustwide/workdir/ffi-example-sys)
[INFO] [stderr]    Compiling ffi-example v0.1.0 (/opt/rustwide/workdir/ffi-example)
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> ffi-example/src/main.rs:19:59
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let c_string_ptr = CString::new("Hello FFI").unwrap().as_ptr();
[INFO] [stdout]    |                        ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.47s
[INFO] running `Command { std: "docker" "inspect" "a66feb24caa7a243718c7eea5e21798d0ff059804274be6e13b13bffef81a428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66feb24caa7a243718c7eea5e21798d0ff059804274be6e13b13bffef81a428", kill_on_drop: false }`
[INFO] [stdout] a66feb24caa7a243718c7eea5e21798d0ff059804274be6e13b13bffef81a428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00e65812c5645515ed28bdcd83dc5143328853e4cd643aaa8a35d5c453504bc6
[INFO] running `Command { std: "docker" "start" "-a" "00e65812c5645515ed28bdcd83dc5143328853e4cd643aaa8a35d5c453504bc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling ffi-example-sys v0.1.0 (/opt/rustwide/workdir/ffi-example-sys)
[INFO] [stderr]    Compiling ffi-example v0.1.0 (/opt/rustwide/workdir/ffi-example)
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/ffi-example-sys-4d2a6cb49efbc4f4/out/bindings.rs:3:614
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < max_align_t > ())) . __clang_max_align_nonce1 as * const _ as usize } , 0usize , conca...
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/ffi-example-sys-4d2a6cb49efbc4f4/out/bindings.rs:3:860
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < max_align_t > ())) . __clang_max_align_nonce2 as * const _ as usize } , 16usize , conc...
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> ffi-example/src/main.rs:19:59
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let c_string_ptr = CString::new("Hello FFI").unwrap().as_ptr();
[INFO] [stdout]    |                        ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/ffi_example-b01c4a164834e5a3)
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/ffi_example_sys-6bc340736d39b489)
[INFO] running `Command { std: "docker" "inspect" "00e65812c5645515ed28bdcd83dc5143328853e4cd643aaa8a35d5c453504bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e65812c5645515ed28bdcd83dc5143328853e4cd643aaa8a35d5c453504bc6", kill_on_drop: false }`
[INFO] [stdout] 00e65812c5645515ed28bdcd83dc5143328853e4cd643aaa8a35d5c453504bc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4032c4c7e6efedbcda395dea7ac96ab3fd102664a5b4866fb0ef9ce489ec1bf
[INFO] running `Command { std: "docker" "start" "-a" "b4032c4c7e6efedbcda395dea7ac96ab3fd102664a5b4866fb0ef9ce489ec1bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: dereferencing a null pointer
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/ffi-example-sys-4d2a6cb49efbc4f4/out/bindings.rs:3:614
[INFO] [stderr]   |
[INFO] [stderr] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < max_align_t > ())) . __clang_max_align_nonce1 as * const _ as usize } , 0usize , conca...
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: dereferencing a null pointer
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/ffi-example-sys-4d2a6cb49efbc4f4/out/bindings.rs:3:860
[INFO] [stderr]   |
[INFO] [stderr] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < max_align_t > ())) . __clang_max_align_nonce2 as * const _ as usize } , 16usize , conc...
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stderr] 
[INFO] [stderr] warning: `ffi-example-sys` (lib test) generated 2 warnings
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]   --> ffi-example/src/main.rs:19:59
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let c_string_ptr = CString::new("Hello FFI").unwrap().as_ptr();
[INFO] [stderr]    |                        ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stderr]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stderr]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr] 
[INFO] [stderr] warning: `ffi-example` (bin "ffi-example" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ffi_example-b01c4a164834e5a3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ffi_example_sys-6bc340736d39b489)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test bindgen_test_layout_max_align_t ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ffi-example-sys
[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" "b4032c4c7e6efedbcda395dea7ac96ab3fd102664a5b4866fb0ef9ce489ec1bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4032c4c7e6efedbcda395dea7ac96ab3fd102664a5b4866fb0ef9ce489ec1bf", kill_on_drop: false }`
[INFO] [stdout] b4032c4c7e6efedbcda395dea7ac96ab3fd102664a5b4866fb0ef9ce489ec1bf