[INFO] fetching crate easy-ffi-wrapper 0.1.1... [INFO] testing easy-ffi-wrapper-0.1.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [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 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a944a6782879e01864be258f210447f964621a39b9a78c6d424471b684e59f01 [INFO] running `Command { std: "docker" "start" "-a" "a944a6782879e01864be258f210447f964621a39b9a78c6d424471b684e59f01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a944a6782879e01864be258f210447f964621a39b9a78c6d424471b684e59f01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a944a6782879e01864be258f210447f964621a39b9a78c6d424471b684e59f01", kill_on_drop: false }` [INFO] [stdout] a944a6782879e01864be258f210447f964621a39b9a78c6d424471b684e59f01 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] c67c1ca62b57803e0c7ec643643d6a1576a482d844946377022a43cdead16c68 [INFO] running `Command { std: "docker" "start" "-a" "c67c1ca62b57803e0c7ec643643d6a1576a482d844946377022a43cdead16c68", kill_on_drop: false }` [INFO] [stderr] Compiling easy-ffi-wrapper v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "c67c1ca62b57803e0c7ec643643d6a1576a482d844946377022a43cdead16c68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c67c1ca62b57803e0c7ec643643d6a1576a482d844946377022a43cdead16c68", kill_on_drop: false }` [INFO] [stdout] c67c1ca62b57803e0c7ec643643d6a1576a482d844946377022a43cdead16c68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 5f23a393e42053defc6368201e84f9224de60690fbb765a8e78d7cb45778cc4a [INFO] running `Command { std: "docker" "start" "-a" "5f23a393e42053defc6368201e84f9224de60690fbb765a8e78d7cb45778cc4a", kill_on_drop: false }` [INFO] [stderr] Compiling easy-ffi-wrapper v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error: 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: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]` [INFO] [stdout] = note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 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` [INFO] [stdout] --> src/lib.rs:691:10 [INFO] [stdout] | [INFO] [stdout] 691 | &(*ptr).0[index] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(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] error: 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` [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] error: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:537:25 [INFO] [stdout] | [INFO] [stdout] 537 | pub fn iter(&self) -> $iter_type { [INFO] [stdout] | ^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [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] = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]` [INFO] [stdout] = note: this error originates in the macro `ffi_vec` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 537 | pub fn iter(&self) -> $iter_type<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime flowing from input to output with different syntax can be 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 lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [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] = note: this error originates in the macro `ffi_vec` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 542 | pub fn iter_mut(&mut self) -> $iter_mut_type<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `easy-ffi-wrapper` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "5f23a393e42053defc6368201e84f9224de60690fbb765a8e78d7cb45778cc4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f23a393e42053defc6368201e84f9224de60690fbb765a8e78d7cb45778cc4a", kill_on_drop: false }` [INFO] [stdout] 5f23a393e42053defc6368201e84f9224de60690fbb765a8e78d7cb45778cc4a