[INFO] fetching crate syn 1.0.42... [INFO] checking syn-1.0.42 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015 [INFO] extracting crate syn 1.0.42 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate syn 1.0.42 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate syn 1.0.42 [INFO] finished tweaking crates.io crate syn 1.0.42 [INFO] tweaked toml for crates.io crate syn 1.0.42 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn-test-suite v0.0.0+test [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 76b7bfb2404664619c2330c19c471744608690cb637b3ac50ba2a61d1f802250 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "76b7bfb2404664619c2330c19c471744608690cb637b3ac50ba2a61d1f802250", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "76b7bfb2404664619c2330c19c471744608690cb637b3ac50ba2a61d1f802250", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76b7bfb2404664619c2330c19c471744608690cb637b3ac50ba2a61d1f802250", kill_on_drop: false }` [INFO] [stdout] 76b7bfb2404664619c2330c19c471744608690cb637b3ac50ba2a61d1f802250 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ba25e282afdb59e326d37c0bc21f796b503b6578c3b0ffb0695870c732d3ee1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6ba25e282afdb59e326d37c0bc21f796b503b6578c3b0ffb0695870c732d3ee1", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling cc v1.0.60 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling pin-project-internal v0.4.25 [INFO] [stderr] Checking pin-project-lite v0.1.10 [INFO] [stderr] Checking once_cell v1.4.1 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking tinyvec v0.3.4 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking dtoa v0.4.6 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Compiling encoding_rs v0.8.24 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Compiling anyhow v1.0.32 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Compiling syn v1.0.42 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking ipnet v2.3.0 [INFO] [stderr] Checking syn-test-suite v0.0.0+test [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stdout] error: expected item, found `@` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `syn-test-suite` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6ba25e282afdb59e326d37c0bc21f796b503b6578c3b0ffb0695870c732d3ee1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ba25e282afdb59e326d37c0bc21f796b503b6578c3b0ffb0695870c732d3ee1", kill_on_drop: false }` [INFO] [stdout] 6ba25e282afdb59e326d37c0bc21f796b503b6578c3b0ffb0695870c732d3ee1