[INFO] crate syn 1.0.8 is already in cache
[INFO] checking syn-1.0.8 against try#662bf71cc5bbfe44a109ab5b7205e12ec319754c for pr-67531
[INFO] extracting crate syn 1.0.8 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate syn 1.0.8 on toolchain 662bf71cc5bbfe44a109ab5b7205e12ec319754c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate syn 1.0.8
[INFO] finished tweaking crates.io crate syn 1.0.8
[INFO] tweaked toml for crates.io crate syn 1.0.8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55ca3a854aa11f192d08a13331182d5a8d1f0cb99de50566b4d0b2fd35784c89
[INFO] running `"docker" "start" "-a" "55ca3a854aa11f192d08a13331182d5a8d1f0cb99de50566b4d0b2fd35784c89"`
[INFO] [stderr]    Compiling syn v1.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ref-cast-impl v0.2.7
[INFO] [stderr]     Checking console v0.8.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking insta v0.11.0
[INFO] [stderr]     Checking ref-cast v0.2.7
[INFO] [stderr] error: expected item, found `"Hello! You want: cargo test --release --all-features"`
[INFO] [stderr]  --> tests/features/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | "Hello! You want: cargo test --release --all-features"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: expected item, found `"Hello! You want: cargo test --release --all-features"`
[INFO] [stderr]  --> tests/features/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | "Hello! You want: cargo test --release --all-features"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: expected item, found `"Hello! You want: cargo test --release --all-features"`
[INFO] [stderr]  --> tests/features/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | "Hello! You want: cargo test --release --all-features"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: expected item, found `"Hello! You want: cargo test --release --all-features"`
[INFO] [stderr]  --> tests/features/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | "Hello! You want: cargo test --release --all-features"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: expected item, found `"Hello! You want: cargo test --release --all-features"`
[INFO] [stderr]  --> tests/features/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | "Hello! You want: cargo test --release --all-features"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: expected item, found `"Hello! You want: cargo test --release --all-features"`
[INFO] [stderr]  --> tests/features/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | "Hello! You want: cargo test --release --all-features"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "55ca3a854aa11f192d08a13331182d5a8d1f0cb99de50566b4d0b2fd35784c89"`
[INFO] running `"docker" "rm" "-f" "55ca3a854aa11f192d08a13331182d5a8d1f0cb99de50566b4d0b2fd35784c89"`
[INFO] [stdout] 55ca3a854aa11f192d08a13331182d5a8d1f0cb99de50566b4d0b2fd35784c89