[INFO] crate rustmann 0.1.0 is already in cache
[INFO] extracting crate rustmann 0.1.0 into work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/rustmann/0.1.0
[INFO] extracting crate rustmann 0.1.0 into work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/rustmann/0.1.0
[INFO] validating manifest of rustmann-0.1.0 on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rustmann-0.1.0 on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rustmann-0.1.0
[INFO] finished frobbing rustmann-0.1.0
[INFO] frobbed toml for rustmann-0.1.0 written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/rustmann/0.1.0/Cargo.toml
[INFO] started frobbing rustmann-0.1.0
[INFO] finished frobbing rustmann-0.1.0
[INFO] frobbed toml for rustmann-0.1.0 written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/rustmann/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rustmann-0.1.0 against master#e2f221c75932de7a29845c8d6f1f73536ad00c41 for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-6/master#e2f221c75932de7a29845c8d6f1f73536ad00c41:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/rustmann/0.1.0:/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=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" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 73ecdf659214bc3435aa24daf223b1d98b2dd7b197327f4c224d807b468fb059
[INFO] running `"docker" "start" "-a" "73ecdf659214bc3435aa24daf223b1d98b2dd7b197327f4c224d807b468fb059"`
[INFO] [stderr]    Compiling protobuf v2.2.4
[INFO] [stderr]    Compiling protoc v2.2.4
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling tempfile v3.0.5
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling protobuf-codegen v2.2.4
[INFO] [stderr]    Compiling protoc-rust v2.2.4
[INFO] [stderr]    Compiling rustmann v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `rustmann v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rustmann-b768ed207f0af362/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'protoc: Custom { kind: NotFound, error: StringError("failed to spawn `\"protoc\" \"--version\"`: No such file or directory (os error 2)") }', src/libcore/result.rs:997:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x557944269093 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h867dd4f50c64e390
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x557944264dc8 - std::sys_common::backtrace::_print::hf9ad074a8b537f77
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x557944267cf2 - std::panicking::default_hook::{{closure}}::h84276f9257304ae5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x557944267a64 - std::panicking::default_hook::h256aa90052ecf34a
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x5579442683a0 - std::panicking::rust_panic_with_hook::hf78d126da5c37246
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x557944267f21 - std::panicking::continue_panic_fmt::hf4742d3e110a10be
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]    6:     0x557944267e05 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:312
[INFO] [stderr]    7:     0x55794428330c - core::panicking::panic_fmt::h02d8cfb3906e050d
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x557943fd688f - core::result::unwrap_failed::hbbf26833ad5eceb4
[INFO] [stderr]                                at /rustc/e2f221c75932de7a29845c8d6f1f73536ad00c41/src/libcore/macros.rs:16
[INFO] [stderr]    9:     0x557943f97e39 - <core::result::Result<T, E>>::expect::h1cf3190e7b4bd1cc
[INFO] [stderr]                                at /rustc/e2f221c75932de7a29845c8d6f1f73536ad00c41/src/libcore/result.rs:825
[INFO] [stderr]   10:     0x557943f96c32 - build_script_build::main::hb40d3639964e023e
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:12
[INFO] [stderr]   11:     0x557943f9783f - std::rt::lang_start::{{closure}}::h7848dabe4d5fcb03
[INFO] [stderr]                                at /rustc/e2f221c75932de7a29845c8d6f1f73536ad00c41/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x557944267da2 - std::panicking::try::do_call::hd15c5e8e2521231c
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   13:     0x55794426fe89 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   14:     0x5579442688f5 - std::rt::lang_start_internal::hf70c4d238c71a004
[INFO] [stderr]                                at src/libstd/panicking.rs:276
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x557943f97818 - std::rt::lang_start::h9cecf89f45b93c07
[INFO] [stderr]                                at /rustc/e2f221c75932de7a29845c8d6f1f73536ad00c41/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x557943f97049 - main
[INFO] [stderr]   17:     0x7f25925bc2e0 - __libc_start_main
[INFO] [stderr]   18:     0x557943f96929 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "73ecdf659214bc3435aa24daf223b1d98b2dd7b197327f4c224d807b468fb059"`
[INFO] running `"docker" "rm" "-f" "73ecdf659214bc3435aa24daf223b1d98b2dd7b197327f4c224d807b468fb059"`
[INFO] [stdout] 73ecdf659214bc3435aa24daf223b1d98b2dd7b197327f4c224d807b468fb059