[INFO] crate cntk 0.2.1 is already in cache
[INFO] checking cntk-0.2.1 against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] extracting crate cntk 0.2.1 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate cntk 0.2.1 on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cntk 0.2.1
[INFO] finished tweaking crates.io crate cntk 0.2.1
[INFO] tweaked toml for crates.io crate cntk 0.2.1 written to work/builds/worker-5/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d0e8caa4dfd59ed7e8906c171746908816bccebeca6602f35792d60f02ea37d8
[INFO] running `"docker" "start" "-a" "d0e8caa4dfd59ed7e8906c171746908816bccebeca6602f35792d60f02ea37d8"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ndarray v0.10.14
[INFO] [stderr]    Compiling cpp_syn v0.12.0
[INFO] [stderr]     Checking mnist v0.4.0
[INFO] [stderr]    Compiling cpp_synmap v0.3.0
[INFO] [stderr]    Compiling cpp_common v0.3.2
[INFO] [stderr]    Compiling cpp_build v0.3.2
[INFO] [stderr]    Compiling cpp_macros v0.3.2
[INFO] [stderr]    Compiling cntk v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: mutable global state in a proc-macro
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_macros-0.3.2/src/lib.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | / lazy_static! {
[INFO] [stderr] 38 | |     static ref OUT_DIR: PathBuf =
[INFO] [stderr] 39 | |         PathBuf::from(env::var("OUT_DIR").expect(r#"
[INFO] [stderr] 40 | | -- rust-cpp fatal error --
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |     };
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: mutable global state in a proc-macro
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_macros-0.3.2/src/lib.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | / lazy_static! {
[INFO] [stderr] 38 | |     static ref OUT_DIR: PathBuf =
[INFO] [stderr] 39 | |         PathBuf::from(env::var("OUT_DIR").expect(r#"
[INFO] [stderr] 40 | | -- rust-cpp fatal error --
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |     };
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cpp_macros`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d0e8caa4dfd59ed7e8906c171746908816bccebeca6602f35792d60f02ea37d8"`
[INFO] running `"docker" "rm" "-f" "d0e8caa4dfd59ed7e8906c171746908816bccebeca6602f35792d60f02ea37d8"`
[INFO] [stdout] d0e8caa4dfd59ed7e8906c171746908816bccebeca6602f35792d60f02ea37d8