[INFO] fetching crate syn 2.0.110...
[INFO] testing syn-2.0.110 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate syn 2.0.110 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate syn 2.0.110
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate syn 2.0.110
[INFO] tweaked toml for crates.io crate syn 2.0.110 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syn 2.0.110 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate syn 2.0.110 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 807014bf4640c6789d3fd3c6af9fe79c88495cc4409b8f6f4b948788d34f8bc3
[INFO] running `Command { std: "docker" "start" "-a" "807014bf4640c6789d3fd3c6af9fe79c88495cc4409b8f6f4b948788d34f8bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "807014bf4640c6789d3fd3c6af9fe79c88495cc4409b8f6f4b948788d34f8bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807014bf4640c6789d3fd3c6af9fe79c88495cc4409b8f6f4b948788d34f8bc3", kill_on_drop: false }`
[INFO] [stdout] 807014bf4640c6789d3fd3c6af9fe79c88495cc4409b8f6f4b948788d34f8bc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af993ac168cc9ba1e6b5018c7470cd4a17bd50222175a2574b96be6012a81f53
[INFO] running `Command { std: "docker" "start" "-a" "af993ac168cc9ba1e6b5018c7470cd4a17bd50222175a2574b96be6012a81f53", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.110 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `Command { std: "docker" "inspect" "af993ac168cc9ba1e6b5018c7470cd4a17bd50222175a2574b96be6012a81f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af993ac168cc9ba1e6b5018c7470cd4a17bd50222175a2574b96be6012a81f53", kill_on_drop: false }`
[INFO] [stdout] af993ac168cc9ba1e6b5018c7470cd4a17bd50222175a2574b96be6012a81f53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12fd3f5f4e0c230a10ca1b2e645af0691eaa9c751e9b34f0ff299e553d9e945b
[INFO] running `Command { std: "docker" "start" "-a" "12fd3f5f4e0c230a10ca1b2e645af0691eaa9c751e9b34f0ff299e553d9e945b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.45
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling h2 v0.4.12
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling iri-string v0.7.9
[INFO] [stderr]    Compiling rustls-pki-types v1.13.0
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling filetime v0.2.26
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling syn-test-suite v0.0.0+test
[INFO] [stdout] error: expected item, found `@`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-test-suite-0.0.0+test/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | @
[INFO] [stdout]   | ^ expected item
[INFO] [stdout]   |
[INFO] [stdout]   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn-test-suite` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "12fd3f5f4e0c230a10ca1b2e645af0691eaa9c751e9b34f0ff299e553d9e945b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12fd3f5f4e0c230a10ca1b2e645af0691eaa9c751e9b34f0ff299e553d9e945b", kill_on_drop: false }`
[INFO] [stdout] 12fd3f5f4e0c230a10ca1b2e645af0691eaa9c751e9b34f0ff299e553d9e945b