[INFO] updating cached repository jacobrosenthal/rust-smc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jacobrosenthal/rust-smc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jacobrosenthal/rust-smc" "work/ex/beta-1.38-1/sources/1.37.0/gh/jacobrosenthal/rust-smc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jacobrosenthal/rust-smc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jacobrosenthal/rust-smc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jacobrosenthal/rust-smc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jacobrosenthal/rust-smc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 976d7f53cc71710839ec7559992424129ed03cc4
[INFO] sha for GitHub repo jacobrosenthal/rust-smc: 976d7f53cc71710839ec7559992424129ed03cc4
[INFO] validating manifest of jacobrosenthal/rust-smc on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jacobrosenthal/rust-smc on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jacobrosenthal/rust-smc
[INFO] finished frobbing jacobrosenthal/rust-smc
[INFO] frobbed toml for jacobrosenthal/rust-smc written to work/ex/beta-1.38-1/sources/1.37.0/gh/jacobrosenthal/rust-smc/Cargo.toml
[INFO] started frobbing jacobrosenthal/rust-smc
[INFO] finished frobbing jacobrosenthal/rust-smc
[INFO] frobbed toml for jacobrosenthal/rust-smc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jacobrosenthal/rust-smc/Cargo.toml
[INFO] crate jacobrosenthal/rust-smc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jacobrosenthal/rust-smc against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jacobrosenthal/rust-smc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0d9543b3257c29ab582cabe9edbbb6a157481899120510b61bab9659a295c671
[INFO] running `"docker" "start" "-a" "0d9543b3257c29ab582cabe9edbbb6a157481899120510b61bab9659a295c671"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.21
[INFO] [stderr]    Compiling CoreFoundation-sys v0.1.4
[INFO] [stderr]    Compiling IOKit-sys v0.1.5
[INFO] [stderr]    Compiling strum v0.11.0
[INFO] [stderr]    Compiling mach v0.1.2
[INFO] [stderr] error: native frameworks are only available on macOS targets
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `CoreFoundation-sys`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0d9543b3257c29ab582cabe9edbbb6a157481899120510b61bab9659a295c671"`
[INFO] running `"docker" "rm" "-f" "0d9543b3257c29ab582cabe9edbbb6a157481899120510b61bab9659a295c671"`
[INFO] [stdout] 0d9543b3257c29ab582cabe9edbbb6a157481899120510b61bab9659a295c671