[INFO] fetching crate refptr-macros 0.2.0...
[INFO] testing refptr-macros-0.2.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate refptr-macros 0.2.0 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate refptr-macros 0.2.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc5c72f7f5ba69ab0abf7d7c95f0d78989a275908438370e0abfb50a6f1457ba
[INFO] running `Command { std: "docker" "start" "-a" "fc5c72f7f5ba69ab0abf7d7c95f0d78989a275908438370e0abfb50a6f1457ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc5c72f7f5ba69ab0abf7d7c95f0d78989a275908438370e0abfb50a6f1457ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc5c72f7f5ba69ab0abf7d7c95f0d78989a275908438370e0abfb50a6f1457ba", kill_on_drop: false }`
[INFO] [stdout] fc5c72f7f5ba69ab0abf7d7c95f0d78989a275908438370e0abfb50a6f1457ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e631b6a01db06224d923f6277639be8090b99150f7245cfb408450c66a71e7ad
[INFO] running `Command { std: "docker" "start" "-a" "e631b6a01db06224d923f6277639be8090b99150f7245cfb408450c66a71e7ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling refptr-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: 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, $err));
[INFO] [stdout]    |                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 73 |             meta => fail!(meta, "unexpected refcounted argument"),
[INFO] [stdout]    |                     --------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this error originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:12:50
[INFO] [stdout]     |
[INFO] [stdout]  12 |           return Err(Error::new_spanned($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 error originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `refptr-macros` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "e631b6a01db06224d923f6277639be8090b99150f7245cfb408450c66a71e7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e631b6a01db06224d923f6277639be8090b99150f7245cfb408450c66a71e7ad", kill_on_drop: false }`
[INFO] [stdout] e631b6a01db06224d923f6277639be8090b99150f7245cfb408450c66a71e7ad