[INFO] crate rustmann 0.1.0 is already in cache
[INFO] extracting crate rustmann 0.1.0 into work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/reg/rustmann/0.1.0
[INFO] extracting crate rustmann 0.1.0 into work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/reg/rustmann/0.1.0
[INFO] validating manifest of rustmann-0.1.0 on toolchain master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rustmann-0.1.0 on toolchain try#26f8d250bb3c8a85e812cf663c730ef9e0df9315
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-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-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/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-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/reg/rustmann/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rustmann-0.1.0 against master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a for pr-57609
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57609/worker-1/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/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" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7e45a95e160c9e4a8d148c836383ad15675b82c153b31cd5b0b38894e02adf5f
[INFO] running `"docker" "start" "-a" "7e45a95e160c9e4a8d148c836383ad15675b82c153b31cd5b0b38894e02adf5f"`
[INFO] [stderr]    Compiling protobuf v2.2.4
[INFO] [stderr]    Compiling protoc v2.2.4
[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-d1472590bb3ab3ca/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:     0x55a6652b48e3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h95b99a81b7a6151a
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55a6652b0618 - std::sys_common::backtrace::_print::h853b5e5c140dd8e0
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x55a6652b3542 - std::panicking::default_hook::{{closure}}::hb03a510b961bcfdd
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x55a6652b32b4 - std::panicking::default_hook::h3021432e3eb70e7c
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x55a6652b3bf0 - std::panicking::rust_panic_with_hook::h1b87d646f9ca094a
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x55a6652b3771 - std::panicking::continue_panic_fmt::h8a814954eeeb457d
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]    6:     0x55a6652b3655 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:312
[INFO] [stderr]    7:     0x55a6652ceb5c - core::panicking::panic_fmt::h18840ce1ae989354
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55a665020f3f - core::result::unwrap_failed::h6458b78c5b7d0e5c
[INFO] [stderr]                                at /rustc/03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/src/libcore/macros.rs:16
[INFO] [stderr]    9:     0x55a664fe2739 - <core::result::Result<T, E>>::expect::h1e4fc0b63a9b4b19
[INFO] [stderr]                                at /rustc/03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/src/libcore/result.rs:825
[INFO] [stderr]   10:     0x55a664fe1472 - build_script_build::main::h2c7deea193bf16e3
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:12
[INFO] [stderr]   11:     0x55a664fe20bf - std::rt::lang_start::{{closure}}::h81e4f6296a7ddd28
[INFO] [stderr]                                at /rustc/03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55a6652b35f2 - std::panicking::try::do_call::hde4953a95da01ce3
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   13:     0x55a6652bb6d9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   14:     0x55a6652b4145 - std::rt::lang_start_internal::h19fed3d0f8953b84
[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:     0x55a664fe2098 - std::rt::lang_start::h2cb56ac5df797925
[INFO] [stderr]                                at /rustc/03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55a664fe1889 - main
[INFO] [stderr]   17:     0x7fa05ba882e0 - __libc_start_main
[INFO] [stderr]   18:     0x55a664fe1169 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "7e45a95e160c9e4a8d148c836383ad15675b82c153b31cd5b0b38894e02adf5f"`
[INFO] running `"docker" "rm" "-f" "7e45a95e160c9e4a8d148c836383ad15675b82c153b31cd5b0b38894e02adf5f"`
[INFO] [stdout] 7e45a95e160c9e4a8d148c836383ad15675b82c153b31cd5b0b38894e02adf5f