[INFO] updating cached repository lfdominguez/openvpn-access-exporter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lfdominguez/openvpn-access-exporter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lfdominguez/openvpn-access-exporter" "work/ex/beta-1.38-1/sources/1.37.0/gh/lfdominguez/openvpn-access-exporter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lfdominguez/openvpn-access-exporter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lfdominguez/openvpn-access-exporter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lfdominguez/openvpn-access-exporter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lfdominguez/openvpn-access-exporter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] baea4b822519c0c4edf657152cf6c887be811f26
[INFO] sha for GitHub repo lfdominguez/openvpn-access-exporter: baea4b822519c0c4edf657152cf6c887be811f26
[INFO] validating manifest of lfdominguez/openvpn-access-exporter 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 lfdominguez/openvpn-access-exporter 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 lfdominguez/openvpn-access-exporter
[INFO] finished frobbing lfdominguez/openvpn-access-exporter
[INFO] frobbed toml for lfdominguez/openvpn-access-exporter written to work/ex/beta-1.38-1/sources/1.37.0/gh/lfdominguez/openvpn-access-exporter/Cargo.toml
[INFO] started frobbing lfdominguez/openvpn-access-exporter
[INFO] finished frobbing lfdominguez/openvpn-access-exporter
[INFO] frobbed toml for lfdominguez/openvpn-access-exporter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lfdominguez/openvpn-access-exporter/Cargo.toml
[INFO] crate lfdominguez/openvpn-access-exporter 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing lfdominguez/openvpn-access-exporter against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lfdominguez/openvpn-access-exporter:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f89e580c804b10c1dac43a4eee3cd1090cc2e85326982acd8665776099c58129
[INFO] running `"docker" "start" "-a" "f89e580c804b10c1dac43a4eee3cd1090cc2e85326982acd8665776099c58129"`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-unknown-linux-musl` target may not be installed
[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 `nodrop`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-unknown-linux-musl` target may not be installed
[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 `lazy_static`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `std`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-unknown-linux-musl` target may not be installed
[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 `rand_core`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f89e580c804b10c1dac43a4eee3cd1090cc2e85326982acd8665776099c58129"`
[INFO] running `"docker" "rm" "-f" "f89e580c804b10c1dac43a4eee3cd1090cc2e85326982acd8665776099c58129"`
[INFO] [stdout] f89e580c804b10c1dac43a4eee3cd1090cc2e85326982acd8665776099c58129