[INFO] fetching crate refptr-macros 0.2.0...
[INFO] testing refptr-macros-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate refptr-macros 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate refptr-macros 0.2.0
[INFO] finished tweaking crates.io crate refptr-macros 0.2.0
[INFO] tweaked toml for crates.io crate refptr-macros 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate refptr-macros 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1530a86a22d02332923a9d1c2db87227e8c1f3e9c4e756c12cabdbc91bdc3fb1
[INFO] running `Command { std: "docker" "start" "-a" "1530a86a22d02332923a9d1c2db87227e8c1f3e9c4e756c12cabdbc91bdc3fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1530a86a22d02332923a9d1c2db87227e8c1f3e9c4e756c12cabdbc91bdc3fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1530a86a22d02332923a9d1c2db87227e8c1f3e9c4e756c12cabdbc91bdc3fb1", kill_on_drop: false }`
[INFO] [stdout] 1530a86a22d02332923a9d1c2db87227e8c1f3e9c4e756c12cabdbc91bdc3fb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b44ace07c5db5539ca409892935ab74f0588541ebbff8dd4e617f4ca48d5719
[INFO] running `Command { std: "docker" "start" "-a" "6b44ace07c5db5539ca409892935ab74f0588541ebbff8dd4e617f4ca48d5719", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling refptr-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:12:50
[INFO] [stdout]    |
[INFO] [stdout] 12 |         return Err(Error::new_spanned($ts, $err));
[INFO] [stdout]    |                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 73 |             meta => fail!(meta, "unexpected refcounted argument"),
[INFO] [stdout]    |                     --------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:12:50
[INFO] [stdout]     |
[INFO] [stdout]  12 |           return Err(Error::new_spanned($ts, $err));
[INFO] [stdout]     |                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 126 |           _ => fail!(
[INFO] [stdout]     |  ______________-
[INFO] [stdout] 127 | |             item,
[INFO] [stdout] 128 | |             "refcounted must be used on a struct with named fields"
[INFO] [stdout] 129 | |         ),
[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 warning originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: refptr-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "6b44ace07c5db5539ca409892935ab74f0588541ebbff8dd4e617f4ca48d5719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b44ace07c5db5539ca409892935ab74f0588541ebbff8dd4e617f4ca48d5719", kill_on_drop: false }`
[INFO] [stdout] 6b44ace07c5db5539ca409892935ab74f0588541ebbff8dd4e617f4ca48d5719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61404e1db3cf2ba943c2629c28ac4cfb832e2c1b87aa5213226abbcc1d5de0ed
[INFO] running `Command { std: "docker" "start" "-a" "61404e1db3cf2ba943c2629c28ac4cfb832e2c1b87aa5213226abbcc1d5de0ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling refptr-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:12:50
[INFO] [stdout]    |
[INFO] [stdout] 12 |         return Err(Error::new_spanned($ts, $err));
[INFO] [stdout]    |                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 73 |             meta => fail!(meta, "unexpected refcounted argument"),
[INFO] [stdout]    |                     --------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:12:50
[INFO] [stdout]     |
[INFO] [stdout]  12 |           return Err(Error::new_spanned($ts, $err));
[INFO] [stdout]     |                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 126 |           _ => fail!(
[INFO] [stdout]     |  ______________-
[INFO] [stdout] 127 | |             item,
[INFO] [stdout] 128 | |             "refcounted must be used on a struct with named fields"
[INFO] [stdout] 129 | |         ),
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:12:50
[INFO] [stdout]    |
[INFO] [stdout] 12 |         return Err(Error::new_spanned($ts, $err));
[INFO] [stdout]    |                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 73 |             meta => fail!(meta, "unexpected refcounted argument"),
[INFO] [stdout]    |                     --------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:12:50
[INFO] [stdout]     |
[INFO] [stdout]  12 |           return Err(Error::new_spanned($ts, $err));
[INFO] [stdout]     |                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 126 |           _ => fail!(
[INFO] [stdout]     |  ______________-
[INFO] [stdout] 127 | |             item,
[INFO] [stdout] 128 | |             "refcounted must be used on a struct with named fields"
[INFO] [stdout] 129 | |         ),
[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 warning originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: refptr-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "61404e1db3cf2ba943c2629c28ac4cfb832e2c1b87aa5213226abbcc1d5de0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61404e1db3cf2ba943c2629c28ac4cfb832e2c1b87aa5213226abbcc1d5de0ed", kill_on_drop: false }`
[INFO] [stdout] 61404e1db3cf2ba943c2629c28ac4cfb832e2c1b87aa5213226abbcc1d5de0ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9070664505cb8ec2dcb7af36f46ea434bf07ff5fdcb2814ea1b91490d3cc481
[INFO] running `Command { std: "docker" "start" "-a" "f9070664505cb8ec2dcb7af36f46ea434bf07ff5fdcb2814ea1b91490d3cc481", kill_on_drop: false }`
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/lib.rs:12:50
[INFO] [stderr]    |
[INFO] [stderr] 12 |         return Err(Error::new_spanned($ts, $err));
[INFO] [stderr]    |                                                  ^
[INFO] [stderr] ...
[INFO] [stderr] 73 |             meta => fail!(meta, "unexpected refcounted argument"),
[INFO] [stderr]    |                     --------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr]    = note: this warning originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:12:50
[INFO] [stderr]     |
[INFO] [stderr]  12 |           return Err(Error::new_spanned($ts, $err));
[INFO] [stderr]     |                                                    ^
[INFO] [stderr] ...
[INFO] [stderr] 126 |           _ => fail!(
[INFO] [stderr]     |  ______________-
[INFO] [stderr] 127 | |             item,
[INFO] [stderr] 128 | |             "refcounted must be used on a struct with named fields"
[INFO] [stderr] 129 | |         ),
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `refptr-macros` (lib) generated 2 warnings
[INFO] [stderr] warning: `refptr-macros` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: refptr-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/refptr_macros-53bb11d945ad4503)
[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] [stderr]    Doc-tests refptr_macros
[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" "f9070664505cb8ec2dcb7af36f46ea434bf07ff5fdcb2814ea1b91490d3cc481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9070664505cb8ec2dcb7af36f46ea434bf07ff5fdcb2814ea1b91490d3cc481", kill_on_drop: false }`
[INFO] [stdout] f9070664505cb8ec2dcb7af36f46ea434bf07ff5fdcb2814ea1b91490d3cc481
