[INFO] updating cached repository chippers/rplug
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/chippers/rplug
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/chippers/rplug" "work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/chippers/rplug"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/chippers/rplug'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chippers/rplug" "work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/chippers/rplug"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/chippers/rplug'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 55e67c22fe7cfc61ff102982f96fbdbdfe174bc6
[INFO] sha for GitHub repo chippers/rplug: 55e67c22fe7cfc61ff102982f96fbdbdfe174bc6
[INFO] validating manifest of chippers/rplug on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of chippers/rplug on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing chippers/rplug
[INFO] finished frobbing chippers/rplug
[INFO] frobbed toml for chippers/rplug written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/chippers/rplug/Cargo.toml
[INFO] started frobbing chippers/rplug
[INFO] finished frobbing chippers/rplug
[INFO] frobbed toml for chippers/rplug written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/chippers/rplug/Cargo.toml
[INFO] crate chippers/rplug already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking chippers/rplug against try#6a9f0b6cc40687e25f9d772e3b10bab335c63853 for pr-60466
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-1/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/chippers/rplug:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 510723dcd0606d2a3ee9961e49a483402f7a19daebefcef9bfdca279ff56b4c3
[INFO] running `"docker" "start" "-a" "510723dcd0606d2a3ee9961e49a483402f7a19daebefcef9bfdca279ff56b4c3"`
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling serde v1.0.41
[INFO] [stderr]     Checking ws v0.7.6
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking hyper v0.11.25
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling standalone-quote v0.5.0
[INFO] [stderr]    Compiling standalone-syn v0.13.0
[INFO] [stderr]     Checking hyper-tls v0.1.3
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.15
[INFO] [stderr]    Compiling cbindgen v0.6.0
[INFO] [stderr]    Compiling rplug v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `rplug v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/rplug-785beab992008d3d/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: CargoMetadata("/opt/crater/workdir/Cargo.toml", Json(Error("EOF while parsing a value", line: 1, column: 0)))', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5639d183a3ca - backtrace::backtrace::libunwind::trace::h6a914de936d19d32
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.25/src/backtrace/libunwind.rs:97
[INFO] [stderr]    1:     0x5639d183a3ca - backtrace::backtrace::trace_unsynchronized::hdc7962958aac26ca
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.25/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5639d183a3ca - std::sys_common::backtrace::_print::h4636cc90ad6e9cc8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5639d183a3ca - std::sys_common::backtrace::print::h5e5a912d150b774f
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5639d183a3ca - std::panicking::default_hook::{{closure}}::h5fcf878e4219f22e
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    5:     0x5639d183a0cb - std::panicking::default_hook::hff6517781036cbe2
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    6:     0x5639d183aa8f - std::panicking::rust_panic_with_hook::h22be939073562a0c
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    7:     0x5639d183a611 - std::panicking::continue_panic_fmt::h0bf78b06ee9243d2
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    8:     0x5639d183a4f5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    9:     0x5639d185972c - core::panicking::panic_fmt::h1ebe4ee2785ab478
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x5639d139f2c2 - core::result::unwrap_failed::h3ded18bf6dd628ce
[INFO] [stderr]                                at /rustc/6a9f0b6cc40687e25f9d772e3b10bab335c63853/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x5639d139fcbf - core::result::Result<T,E>::unwrap::hf73dd61fb0793ddc
[INFO] [stderr]                                at /rustc/6a9f0b6cc40687e25f9d772e3b10bab335c63853/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x5639d137b7cf - build_script_build::main::h0c33ab2574cc6fd6
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:23
[INFO] [stderr]   13:     0x5639d13790ef - std::rt::lang_start::{{closure}}::h59c106b09174cc92
[INFO] [stderr]                                at /rustc/6a9f0b6cc40687e25f9d772e3b10bab335c63853/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x5639d183a4e2 - std::rt::lang_start_internal::{{closure}}::h7a046000d751c604
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x5639d183a4e2 - std::panicking::try::do_call::h7822f6600116a051
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   16:     0x5639d1841a19 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   17:     0x5639d183af9c - std::panicking::try::h358b691e2e16967b
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]   18:     0x5639d183af9c - std::panic::catch_unwind::haa1f6d1877145dfc
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x5639d183af9c - std::rt::lang_start_internal::hdb0bb82020fa34fd
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x5639d13790c8 - std::rt::lang_start::h6f87d0a38b7c9549
[INFO] [stderr]                                at /rustc/6a9f0b6cc40687e25f9d772e3b10bab335c63853/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x5639d137bbc9 - main
[INFO] [stderr]   22:     0x7f12a1c772e0 - __libc_start_main
[INFO] [stderr]   23:     0x5639d1365729 - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "510723dcd0606d2a3ee9961e49a483402f7a19daebefcef9bfdca279ff56b4c3"`
[INFO] running `"docker" "rm" "-f" "510723dcd0606d2a3ee9961e49a483402f7a19daebefcef9bfdca279ff56b4c3"`
[INFO] [stdout] 510723dcd0606d2a3ee9961e49a483402f7a19daebefcef9bfdca279ff56b4c3