[INFO] fetching crate easy-ffi-wrapper 0.1.1...
[INFO] testing easy-ffi-wrapper-0.1.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate easy-ffi-wrapper 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate easy-ffi-wrapper 0.1.1
[INFO] finished tweaking crates.io crate easy-ffi-wrapper 0.1.1
[INFO] tweaked toml for crates.io crate easy-ffi-wrapper 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate easy-ffi-wrapper 0.1.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4f8a22222183e9c7bd453fe44aa3118b1cbc1fc93e5cc3d318ca02ffe6c0e11b
[INFO] running `Command { std: "docker" "start" "4f8a22222183e9c7bd453fe44aa3118b1cbc1fc93e5cc3d318ca02ffe6c0e11b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f8a22222183e9c7bd453fe44aa3118b1cbc1fc93e5cc3d318ca02ffe6c0e11b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4f8a22222183e9c7bd453fe44aa3118b1cbc1fc93e5cc3d318ca02ffe6c0e11b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f8a22222183e9c7bd453fe44aa3118b1cbc1fc93e5cc3d318ca02ffe6c0e11b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4f8a22222183e9c7bd453fe44aa3118b1cbc1fc93e5cc3d318ca02ffe6c0e11b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-ffi-wrapper v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "4f8a22222183e9c7bd453fe44aa3118b1cbc1fc93e5cc3d318ca02ffe6c0e11b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4f8a22222183e9c7bd453fe44aa3118b1cbc1fc93e5cc3d318ca02ffe6c0e11b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-ffi-wrapper v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/lib.rs:634:9
[INFO] [stdout]     |
[INFO] [stdout] 634 |         format!("{:?}", A::new());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:9
[INFO] [stdout]     |
[INFO] [stdout]   2 | #![deny(warnings, missing_debug_implementations, missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 634 |         let _ = format!("{:?}", A::new());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/lib.rs:691:10
[INFO] [stdout]     |
[INFO] [stdout] 691 |         &(*ptr).0[index]
[INFO] [stdout]     |          ^^---^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this raw pointer has type `*const MyVec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<usize>`
[INFO] [stdout]    --> src/lib.rs:691:10
[INFO] [stdout]     |
[INFO] [stdout] 691 |         &(*ptr).0[index]
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 691 |         &(&(*ptr).0)[index]
[INFO] [stdout]     |          ++        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/lib.rs:815:14
[INFO] [stdout]     |
[INFO] [stdout] 815 |         &mut (*c).0[pos]
[INFO] [stdout]     |              ^^-^^^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                this raw pointer has type `*mut MyVec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<usize>`
[INFO] [stdout]    --> src/lib.rs:815:14
[INFO] [stdout]     |
[INFO] [stdout] 815 |         &mut (*c).0[pos]
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 815 |         &mut (&mut (*c).0)[pos]
[INFO] [stdout]     |              +++++       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:537:25
[INFO] [stdout]     |
[INFO] [stdout] 537 |               pub fn iter(&self) -> $iter_type {
[INFO] [stdout]     |                           ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 825 | /     ffi_vec!(
[INFO] [stdout] 826 | |         MyVec(MyVecIterConst, MyVecIterMut) -> usize,
[INFO] [stdout] 827 | |         len(vec_len),
[INFO] [stdout] 828 | |         get(vec_get),
[INFO] [stdout] ...   |
[INFO] [stdout] 831 | |         clear(vec_clear)
[INFO] [stdout] 832 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]`
[INFO] [stdout]     = note: this warning originates in the macro `ffi_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 537 |             pub fn iter(&self) -> $iter_type<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:542:29
[INFO] [stdout]     |
[INFO] [stdout] 542 |               pub fn iter_mut(&mut self) -> $iter_mut_type {
[INFO] [stdout]     |                               ^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 825 | /     ffi_vec!(
[INFO] [stdout] 826 | |         MyVec(MyVecIterConst, MyVecIterMut) -> usize,
[INFO] [stdout] 827 | |         len(vec_len),
[INFO] [stdout] 828 | |         get(vec_get),
[INFO] [stdout] ...   |
[INFO] [stdout] 831 | |         clear(vec_clear)
[INFO] [stdout] 832 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `ffi_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 542 |             pub fn iter_mut(&mut self) -> $iter_mut_type<'_> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "4f8a22222183e9c7bd453fe44aa3118b1cbc1fc93e5cc3d318ca02ffe6c0e11b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4f8a22222183e9c7bd453fe44aa3118b1cbc1fc93e5cc3d318ca02ffe6c0e11b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `must_use` that must be used
[INFO] [stderr]    --> src/lib.rs:634:9
[INFO] [stderr]     |
[INFO] [stderr] 634 |         format!("{:?}", A::new());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr]   2 | #![deny(warnings, missing_debug_implementations, missing_docs)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` implied by `#[warn(warnings)]`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 634 |         let _ = format!("{:?}", A::new());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]    --> src/lib.rs:691:10
[INFO] [stderr]     |
[INFO] [stderr] 691 |         &(*ptr).0[index]
[INFO] [stderr]     |          ^^---^^^^^^^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            this raw pointer has type `*const MyVec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&Vec<usize>`
[INFO] [stderr]    --> src/lib.rs:691:10
[INFO] [stderr]     |
[INFO] [stderr] 691 |         &(*ptr).0[index]
[INFO] [stderr]     |          ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]     |
[INFO] [stderr] 691 |         &(&(*ptr).0)[index]
[INFO] [stderr]     |          ++        +
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]    --> src/lib.rs:815:14
[INFO] [stderr]     |
[INFO] [stderr] 815 |         &mut (*c).0[pos]
[INFO] [stderr]     |              ^^-^^^^^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                this raw pointer has type `*mut MyVec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&mut Vec<usize>`
[INFO] [stderr]    --> src/lib.rs:815:14
[INFO] [stderr]     |
[INFO] [stderr] 815 |         &mut (*c).0[pos]
[INFO] [stderr]     |              ^^^^^^
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]     |
[INFO] [stderr] 815 |         &mut (&mut (*c).0)[pos]
[INFO] [stderr]     |              +++++       +
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:537:25
[INFO] [stderr]     |
[INFO] [stderr] 537 |               pub fn iter(&self) -> $iter_type {
[INFO] [stderr]     |                           ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           the lifetime is elided here
[INFO] [stderr] ...
[INFO] [stderr] 825 | /     ffi_vec!(
[INFO] [stderr] 826 | |         MyVec(MyVecIterConst, MyVecIterMut) -> usize,
[INFO] [stderr] 827 | |         len(vec_len),
[INFO] [stderr] 828 | |         get(vec_get),
[INFO] [stderr] ...   |
[INFO] [stderr] 831 | |         clear(vec_clear)
[INFO] [stderr] 832 | |     );
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]`
[INFO] [stderr]     = note: this warning originates in the macro `ffi_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 537 |             pub fn iter(&self) -> $iter_type<'_> {
[INFO] [stderr]     |                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:542:29
[INFO] [stderr]     |
[INFO] [stderr] 542 |               pub fn iter_mut(&mut self) -> $iter_mut_type {
[INFO] [stderr]     |                               ^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               the lifetime is elided here
[INFO] [stderr] ...
[INFO] [stderr] 825 | /     ffi_vec!(
[INFO] [stderr] 826 | |         MyVec(MyVecIterConst, MyVecIterMut) -> usize,
[INFO] [stderr] 827 | |         len(vec_len),
[INFO] [stderr] 828 | |         get(vec_get),
[INFO] [stderr] ...   |
[INFO] [stderr] 831 | |         clear(vec_clear)
[INFO] [stderr] 832 | |     );
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: this warning originates in the macro `ffi_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 542 |             pub fn iter_mut(&mut self) -> $iter_mut_type<'_> {
[INFO] [stderr]     |                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `easy-ffi-wrapper` (lib test) generated 5 warnings (run `cargo fix --lib -p easy-ffi-wrapper --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/easy_ffi_wrapper-bd2955e8e3c095e3)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::boxed_new ... ok
[INFO] [stdout] test tests::empty_str ... ok
[INFO] [stdout] test tests::iter_slice ... ok
[INFO] [stdout] test tests::boxed_clone ... ok
[INFO] [stdout] test tests::str_utf8 ... ok
[INFO] [stdout] test tests::debug_a ... ok
[INFO] [stderr]    Doc-tests easy_ffi_wrapper
[INFO] [stdout] test tests::vec ... ok
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::str_builder ... ok
[INFO] [stdout] test tests::boxed_from_raw ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - ffi_box (line 197) - compile ... ok
[INFO] [stdout] test src/lib.rs - StrBuilder (line 132) ... ok
[INFO] [stdout] test src/lib.rs - slice_from_raw_parts (line 16) ... ok
[INFO] [stdout] test src/lib.rs - ffi_vec (line 491) - compile ... ok
[INFO] [stdout] test src/lib.rs - ffi_iter (line 348) - compile ... ok
[INFO] [stdout] test src/lib.rs - Str (line 51) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f8a22222183e9c7bd453fe44aa3118b1cbc1fc93e5cc3d318ca02ffe6c0e11b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f8a22222183e9c7bd453fe44aa3118b1cbc1fc93e5cc3d318ca02ffe6c0e11b", kill_on_drop: false }`
[INFO] [stdout] 4f8a22222183e9c7bd453fe44aa3118b1cbc1fc93e5cc3d318ca02ffe6c0e11b
