[INFO] fetching crate syn-test-suite 0.0.0+test...
[INFO] checking syn-test-suite-0.0.0+test against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate syn-test-suite 0.0.0+test into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate syn-test-suite 0.0.0+test on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syn-test-suite 0.0.0+test
[INFO] finished tweaking crates.io crate syn-test-suite 0.0.0+test
[INFO] tweaked toml for crates.io crate syn-test-suite 0.0.0+test written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21791a6dcdeaac1643444578dc8a9b87eab7071b27dfa97dd865eef7dda31eff
[INFO] running `Command { std: "docker" "start" "-a" "21791a6dcdeaac1643444578dc8a9b87eab7071b27dfa97dd865eef7dda31eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21791a6dcdeaac1643444578dc8a9b87eab7071b27dfa97dd865eef7dda31eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21791a6dcdeaac1643444578dc8a9b87eab7071b27dfa97dd865eef7dda31eff", kill_on_drop: false }`
[INFO] [stdout] 21791a6dcdeaac1643444578dc8a9b87eab7071b27dfa97dd865eef7dda31eff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7be804751fa41b82e4460eb8e9d39ad903e4b9b054204f20f62ab7bf4dec60de
[INFO] running `Command { std: "docker" "start" "-a" "7be804751fa41b82e4460eb8e9d39ad903e4b9b054204f20f62ab7bf4dec60de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking syn-test-suite v0.0.0+test (/opt/rustwide/workdir)
[INFO] [stdout] error: expected item, found `@`
[INFO] [stdout]  --> 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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: expected item, found `@`
[INFO] [stdout]  --> 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: build failed
[INFO] running `Command { std: "docker" "inspect" "7be804751fa41b82e4460eb8e9d39ad903e4b9b054204f20f62ab7bf4dec60de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be804751fa41b82e4460eb8e9d39ad903e4b9b054204f20f62ab7bf4dec60de", kill_on_drop: false }`
[INFO] [stdout] 7be804751fa41b82e4460eb8e9d39ad903e4b9b054204f20f62ab7bf4dec60de
