[INFO] fetching crate syn 3.0.6...
[INFO] testing syn-3.0.6 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate syn 3.0.6 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate syn 3.0.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate syn 3.0.6
[INFO] tweaked toml for crates.io crate syn 3.0.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate syn 3.0.6 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate syn 3.0.6 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-test-suite v0.0.0+test
[INFO] [stderr]   Downloaded unicode-ident v1.0.25
[INFO] [stderr]   Downloaded cc v1.4.6
[INFO] [stderr]   Downloaded multiversion-macros v0.9.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.41
[INFO] [stderr]   Downloaded automod v1.0.17
[INFO] [stderr]   Downloaded multiversion v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 107d2ead667c425656c23babc2c151402845682c3149eb8d390c215d42ff891f
[INFO] running `Command { std: "docker" "start" "107d2ead667c425656c23babc2c151402845682c3149eb8d390c215d42ff891f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "107d2ead667c425656c23babc2c151402845682c3149eb8d390c215d42ff891f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "107d2ead667c425656c23babc2c151402845682c3149eb8d390c215d42ff891f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "107d2ead667c425656c23babc2c151402845682c3149eb8d390c215d42ff891f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "107d2ead667c425656c23babc2c151402845682c3149eb8d390c215d42ff891f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.25
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v3.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "107d2ead667c425656c23babc2c151402845682c3149eb8d390c215d42ff891f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "107d2ead667c425656c23babc2c151402845682c3149eb8d390c215d42ff891f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]    Compiling smallvec v1.16.1
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling aws-lc-rs v1.18.1
[INFO] [stderr]    Compiling rustls v0.23.45
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling encoding_rs v0.8.41
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling ref-cast v1.0.27
[INFO] [stderr]    Compiling simd-adler32 v0.3.10
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling cc v1.4.6
[INFO] [stderr]    Compiling miniz_oxide v0.9.1
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling console v0.16.6
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling filetime v0.2.29
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling either v1.18.0
[INFO] [stderr]    Compiling insta v1.48.0
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling flate2 v1.1.10
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling tar v0.4.46
[INFO] [stderr]    Compiling aws-lc-sys v0.45.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[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" "107d2ead667c425656c23babc2c151402845682c3149eb8d390c215d42ff891f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "107d2ead667c425656c23babc2c151402845682c3149eb8d390c215d42ff891f", kill_on_drop: false }`
[INFO] [stdout] 107d2ead667c425656c23babc2c151402845682c3149eb8d390c215d42ff891f
