[INFO] updating cached repository https://github.com/emallson/max-cover-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e41bc5578b5abc677bfda9bb8176f9be6fd96801
[INFO] testing emallson/max-cover-rs against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Femallson%2Fmax-cover-rs" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emallson/max-cover-rs on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/emallson/max-cover-rs
[INFO] finished tweaking git repo https://github.com/emallson/max-cover-rs
[INFO] tweaked toml for git repo https://github.com/emallson/max-cover-rs written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/emallson/max-cover-rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 533c6acba24e3faf345f7fdf9a2de2ede78a2bd1722d4c721595e8e8c749c8ae
[INFO] running `"docker" "start" "-a" "533c6acba24e3faf345f7fdf9a2de2ede78a2bd1722d4c721595e8e8c749c8ae"`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling dtoa v0.4.0
[INFO] [stderr]    Compiling itoa v0.3.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling serde v0.9.5
[INFO] [stderr]    Compiling rplex v0.1.0 (https://github.com/emallson/rplex.git#c4d88bcc)
[INFO] [stderr]    Compiling syn v0.11.4
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.6.1
[INFO] [stderr] error: could not find native static library `cplex`, perhaps an -L flag is missing?
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rplex`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "533c6acba24e3faf345f7fdf9a2de2ede78a2bd1722d4c721595e8e8c749c8ae"`
[INFO] running `"docker" "rm" "-f" "533c6acba24e3faf345f7fdf9a2de2ede78a2bd1722d4c721595e8e8c749c8ae"`
[INFO] [stdout] 533c6acba24e3faf345f7fdf9a2de2ede78a2bd1722d4c721595e8e8c749c8ae