[INFO] crate lazy 0.5.3 is already in cache
[INFO] checking lazy-0.5.3 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] extracting crate lazy 0.5.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lazy 0.5.3 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lazy 0.5.3
[INFO] finished tweaking crates.io crate lazy 0.5.3
[INFO] tweaked toml for crates.io crate lazy 0.5.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d766545b4a6deb71d5feb9c2a7208519bfd884a9442134a8cf20596f8267babb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d766545b4a6deb71d5feb9c2a7208519bfd884a9442134a8cf20596f8267babb"`
[INFO] [stderr]     Checking oncemutex v0.1.1
[INFO] [stderr]    Compiling stainless v0.1.12
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stainless-0.1.12/src/lib.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![feature(plugin_registrar, quote, rustc_private)]
[INFO] [stderr]   |                              ^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr] error[E0463]: can't find crate for `syntax`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stainless-0.1.12/src/lib.rs:171:1
[INFO] [stderr]     |
[INFO] [stderr] 171 | extern crate syntax;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0463, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `stainless`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d766545b4a6deb71d5feb9c2a7208519bfd884a9442134a8cf20596f8267babb"`
[INFO] running `"docker" "rm" "-f" "d766545b4a6deb71d5feb9c2a7208519bfd884a9442134a8cf20596f8267babb"`
[INFO] [stdout] d766545b4a6deb71d5feb9c2a7208519bfd884a9442134a8cf20596f8267babb