[INFO] fetching crate syn 1.0.13...
[INFO] checking syn-1.0.13 against try#e60d9e09c55855f5a848fde8ad83e13131a5b241 for pr-68350
[INFO] extracting crate syn 1.0.13 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate syn 1.0.13 on toolchain e60d9e09c55855f5a848fde8ad83e13131a5b241
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate syn 1.0.13
[INFO] finished tweaking crates.io crate syn 1.0.13
[INFO] tweaked toml for crates.io crate syn 1.0.13 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "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] 689b6be9e651e2b5e945d88f682185566b653b4b29a5c0e2fe4638753cf7da56
[INFO] running `"docker" "start" "-a" "689b6be9e651e2b5e945d88f682185566b653b4b29a5c0e2fe4638753cf7da56"`
[INFO] [stderr]    Compiling syn v1.0.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio v0.2.10
[INFO] [stderr]    Compiling ref-cast-impl v1.0.0
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking ref-cast v1.0.0
[INFO] [stderr]     Checking insta v0.12.0
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr] error[E0463]: can't find crate for `rustc_data_structures`
[INFO] [stderr]   --> tests/test_precedence.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | extern crate rustc_data_structures;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[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[E0463]: can't find crate for `rustc_expand`
[INFO] [stderr]  --> tests/test_round_trip.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | extern crate rustc_expand;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[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" "689b6be9e651e2b5e945d88f682185566b653b4b29a5c0e2fe4638753cf7da56"`
[INFO] running `"docker" "rm" "-f" "689b6be9e651e2b5e945d88f682185566b653b4b29a5c0e2fe4638753cf7da56"`
[INFO] [stdout] 689b6be9e651e2b5e945d88f682185566b653b4b29a5c0e2fe4638753cf7da56