[INFO] fetching crate pyo3-derive-backend 0.12.5...
[INFO] testing pyo3-derive-backend-0.12.5 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate pyo3-derive-backend 0.12.5 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate pyo3-derive-backend 0.12.5
[INFO] finished tweaking crates.io crate pyo3-derive-backend 0.12.5
[INFO] tweaked toml for crates.io crate pyo3-derive-backend 0.12.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyo3-derive-backend 0.12.5 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 385b53c25d30f6681f59a9c8d0d0b999791da6d12150b1a212efaae84468369e
[INFO] running `Command { std: "docker" "start" "-a" "385b53c25d30f6681f59a9c8d0d0b999791da6d12150b1a212efaae84468369e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "385b53c25d30f6681f59a9c8d0d0b999791da6d12150b1a212efaae84468369e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "385b53c25d30f6681f59a9c8d0d0b999791da6d12150b1a212efaae84468369e", kill_on_drop: false }`
[INFO] [stdout] 385b53c25d30f6681f59a9c8d0d0b999791da6d12150b1a212efaae84468369e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 024d9ae5c303d7ba673baa093a55daf01eef9b64f5162f9d142c2c39d47e8a32
[INFO] running `Command { std: "docker" "start" "-a" "024d9ae5c303d7ba673baa093a55daf01eef9b64f5162f9d142c2c39d47e8a32", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pyo3-derive-backend v0.12.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/pyclass.rs:85:19
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 ));
[INFO] [stdout]    |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 98 |                 _ => expected!("type name (e.g., Name)"),
[INFO] [stdout]    |                      ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this error originates in the macro `expected` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/pyclass.rs:85:19
[INFO] [stdout]     |
[INFO] [stdout]  85 |                 ));
[INFO] [stdout]     |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 108 |                 _ => expected!("type path (e.g., my_mod::BaseClass)"),
[INFO] [stdout]     |                      ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `expected` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/pyclass.rs:85:19
[INFO] [stdout]     |
[INFO] [stdout]  85 |                 ));
[INFO] [stdout]     |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 117 |                 _ => expected!(r#"string literal (e.g., "my_mod")"#),
[INFO] [stdout]     |                      ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `expected` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/pyclass.rs:85:19
[INFO] [stdout]     |
[INFO] [stdout]  85 |                 ));
[INFO] [stdout]     |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 119 |             _ => expected!("one of freelist/name/extends/module", left),
[INFO] [stdout]     |                  ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `expected` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `proto` is never read
[INFO] [stdout]   --> src/defs.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct PyMethod {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 62 |     pub name: &'static str,
[INFO] [stdout] 63 |     pub proto: &'static str,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `enum_ident` is never read
[INFO] [stdout]   --> src/from_pyobject.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Enum<'a> {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 10 |     enum_ident: &'a Ident,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Enum` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `output` is never read
[INFO] [stdout]   --> src/method.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct FnSpec<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub output: syn::Type,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnSpec` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding or eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/pymethod.rs:710:63
[INFO] [stdout]     |
[INFO] [stdout] 710 | fn split_off_python_arg<'a>(args: &'a [FnArg<'a>]) -> (Option<&FnArg>, &[FnArg]) {
[INFO] [stdout]     |                                    --        --               ^^^^^^   ^^^^^^^^
[INFO] [stdout]     |                                    |         |                ||       | |
[INFO] [stdout]     |                                    |         |                ||       | the same lifetime is hidden here
[INFO] [stdout]     |                                    |         |                ||       the same lifetime is elided here
[INFO] [stdout]     |                                    |         |                |the same lifetime is hidden here
[INFO] [stdout]     |                                    |         |                the same lifetime is elided here
[INFO] [stdout]     |                                    |         the lifetime is named here
[INFO] [stdout]     |                                    the lifetime is named here
[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)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 710 | fn split_off_python_arg<'a>(args: &'a [FnArg<'a>]) -> (Option<&'a FnArg<'a>>, &'a [FnArg<'a>]) {
[INFO] [stdout]     |                                                                ++      ++++    ++       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyo3-derive-backend` (lib) due to 8 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "024d9ae5c303d7ba673baa093a55daf01eef9b64f5162f9d142c2c39d47e8a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024d9ae5c303d7ba673baa093a55daf01eef9b64f5162f9d142c2c39d47e8a32", kill_on_drop: false }`
[INFO] [stdout] 024d9ae5c303d7ba673baa093a55daf01eef9b64f5162f9d142c2c39d47e8a32
