Dec 14 20:06:09.009 INFO testing sfmt-sys-0.1.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 20:06:09.009 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 20:06:09.359 INFO [stdout] 66a9b08e055b1d33ee41190d89c2bb7a4eeecdc3eeca5ce21b6a2f708d0e6f0e
Dec 14 20:06:09.365 INFO running `"docker" "start" "-a" "66a9b08e055b1d33ee41190d89c2bb7a4eeecdc3eeca5ce21b6a2f708d0e6f0e"`
Dec 14 20:06:10.701 INFO [stderr] usermod: no changes
Dec 14 20:06:10.763 INFO [stderr]    Compiling sfmt-sys v0.1.0 (/source)
Dec 14 20:06:12.431 INFO [stderr] error: failed to run custom build command for `sfmt-sys v0.1.0 (/source)`
Dec 14 20:06:12.431 INFO [stderr] process didn't exit successfully: `/target/debug/build/sfmt-sys-36f4df39c21c3ae0/build-script-build` (exit code: 101)
Dec 14 20:06:12.431 INFO [stderr] --- stderr
Dec 14 20:06:12.431 INFO [stderr] tar: This does not look like a tar archive
Dec 14 20:06:12.431 INFO [stderr] 
Dec 14 20:06:12.431 INFO [stderr] gzip: stdin: unexpected end of file
Dec 14 20:06:12.431 INFO [stderr] tar: Child returned status 1
Dec 14 20:06:12.431 INFO [stderr] tar: Error is not recoverable: exiting now
Dec 14 20:06:12.431 INFO [stderr] thread 'main' panicked at 'Failed to expand archive', build.rs:29:9
Dec 14 20:06:12.431 INFO [stderr] stack backtrace:
Dec 14 20:06:12.431 INFO [stderr]    0:     0x55934e0c3503 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h2c40bdfb30f25bdd
Dec 14 20:06:12.431 INFO [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Dec 14 20:06:12.431 INFO [stderr]    1:     0x55934e0bdef8 - std::sys_common::backtrace::_print::he11ceebc70626ac9
Dec 14 20:06:12.431 INFO [stderr]                                at src/libstd/sys_common/backtrace.rs:71
Dec 14 20:06:12.431 INFO [stderr]    2:     0x55934e0c2542 - std::panicking::default_hook::{{closure}}::h4fde3ffb19c01413
Dec 14 20:06:12.431 INFO [stderr]                                at src/libstd/sys_common/backtrace.rs:59
Dec 14 20:06:12.431 INFO [stderr]                                at src/libstd/panicking.rs:210
Dec 14 20:06:12.431 INFO [stderr]    3:     0x55934e0c22b4 - std::panicking::default_hook::hf0c15a583008ed0d
Dec 14 20:06:12.431 INFO [stderr]                                at src/libstd/panicking.rs:224
Dec 14 20:06:12.431 INFO [stderr]    4:     0x55934e0c2ba0 - std::panicking::rust_panic_with_hook::hc1663f6bc7813185
Dec 14 20:06:12.431 INFO [stderr]                                at src/libstd/panicking.rs:487
Dec 14 20:06:12.431 INFO [stderr]    5:     0x55934e0b29a3 - std::panicking::begin_panic::h176fe5ebff7f9b49
Dec 14 20:06:12.431 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panicking.rs:421
Dec 14 20:06:12.431 INFO [stderr]    6:     0x55934e0ae1da - build_script_build::expand::ha5ba6b30479bb8ad
Dec 14 20:06:12.431 INFO [stderr]                                at /source/build.rs:29
Dec 14 20:06:12.431 INFO [stderr]    7:     0x55934e0aebb4 - build_script_build::main::h44d5832c1ff16092
Dec 14 20:06:12.431 INFO [stderr]                                at /source/build.rs:64
Dec 14 20:06:12.431 INFO [stderr]    8:     0x55934e0b288f - std::rt::lang_start::{{closure}}::h7fcdf94544fa6174
Dec 14 20:06:12.431 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/rt.rs:74
Dec 14 20:06:12.431 INFO [stderr]    9:     0x55934e0c25f2 - std::panicking::try::do_call::h7a0b92633a1e33d9
Dec 14 20:06:12.432 INFO [stderr]                                at src/libstd/rt.rs:59
Dec 14 20:06:12.432 INFO [stderr]                                at src/libstd/panicking.rs:306
Dec 14 20:06:12.432 INFO [stderr]   10:     0x55934e0d4539 - __rust_maybe_catch_panic
Dec 14 20:06:12.432 INFO [stderr]                                at src/libpanic_unwind/lib.rs:102
Dec 14 20:06:12.432 INFO [stderr]   11:     0x55934e0c2f73 - std::rt::lang_start_internal::h3628368e60eab2bb
Dec 14 20:06:12.432 INFO [stderr]                                at src/libstd/panicking.rs:285
Dec 14 20:06:12.432 INFO [stderr]                                at src/libstd/panic.rs:398
Dec 14 20:06:12.432 INFO [stderr]                                at src/libstd/rt.rs:58
Dec 14 20:06:12.432 INFO [stderr]   12:     0x55934e0b2868 - std::rt::lang_start::he6058e0fb3c42969
Dec 14 20:06:12.432 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/rt.rs:74
Dec 14 20:06:12.432 INFO [stderr]   13:     0x55934e0af289 - main
Dec 14 20:06:12.432 INFO [stderr]   14:     0x7f3ac05d782f - __libc_start_main
Dec 14 20:06:12.432 INFO [stderr]   15:     0x55934e0a1b58 - _start
Dec 14 20:06:12.432 INFO [stderr]   16:                0x0 - <unknown>
Dec 14 20:06:12.432 INFO [stderr] 
Dec 14 20:06:12.432 INFO [stderr] su: No module specific data is present
Dec 14 20:06:13.263 INFO running `"docker" "inspect" "66a9b08e055b1d33ee41190d89c2bb7a4eeecdc3eeca5ce21b6a2f708d0e6f0e"`
Dec 14 20:06:13.517 INFO running `"docker" "rm" "-f" "66a9b08e055b1d33ee41190d89c2bb7a4eeecdc3eeca5ce21b6a2f708d0e6f0e"`
Dec 14 20:06:13.834 INFO [stdout] 66a9b08e055b1d33ee41190d89c2bb7a4eeecdc3eeca5ce21b6a2f708d0e6f0e