[INFO] updating cached repository yupferris/test502
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yupferris/test502
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yupferris/test502" "work/ex/beta-1.37-6/sources/1.36.0/gh/yupferris/test502"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/yupferris/test502'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yupferris/test502" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/yupferris/test502"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/yupferris/test502'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b09f9fdb77d0ae91ca421e2117773cf1f02c573e
[INFO] sha for GitHub repo yupferris/test502: b09f9fdb77d0ae91ca421e2117773cf1f02c573e
[INFO] validating manifest of yupferris/test502 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yupferris/test502 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yupferris/test502
[INFO] finished frobbing yupferris/test502
[INFO] frobbed toml for yupferris/test502 written to work/ex/beta-1.37-6/sources/1.36.0/gh/yupferris/test502/Cargo.toml
[INFO] started frobbing yupferris/test502
[INFO] finished frobbing yupferris/test502
[INFO] frobbed toml for yupferris/test502 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/yupferris/test502/Cargo.toml
[INFO] crate yupferris/test502 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing yupferris/test502 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/yupferris/test502:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 4d4eafc59bde46d29aa52e1acde8b75fcec227b29e036cffaf19e699b0ec725e
[INFO] running `"docker" "start" "-a" "4d4eafc59bde46d29aa52e1acde8b75fcec227b29e036cffaf19e699b0ec725e"`
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling test502 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `test502 v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/test502-d63ec67a2c171f7a/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] PROFILE = Some("debug")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] debug=true opt-level=0
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CC = None
[INFO] [stderr] CC = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CFLAGS = None
[INFO] [stderr] CFLAGS = None
[INFO] [stderr] running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-g" "-m64" "-fPIC" "-o" "/opt/crater/target/debug/build/test502-64f83a7b9c9e9657/out/perfect6502/perfect6502.o" "-c" "perfect6502/perfect6502.c"
[INFO] [stderr] cargo:warning=cc: error: perfect6502/perfect6502.c: No such file or directory
[INFO] [stderr] cargo:warning=cc: fatal error: no input files
[INFO] [stderr] cargo:warning=compilation terminated.
[INFO] [stderr] ExitStatus(ExitStatus(256))
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] command did not execute successfully, got: exit code: 1
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'explicit panic', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.39/src/lib.rs:984:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55885e2b80c3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55885e2b3c6b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55885e2b6f06 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55885e2b6c99 - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55885e2b755f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55885e27ede7 - std::panicking::begin_panic::ha7e0b701fdc809f0
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408
[INFO] [stderr]    6:     0x55885e271c57 - gcc::fail::h96289de43070b18b
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.39/src/lib.rs:984
[INFO] [stderr]    7:     0x55885e271862 - gcc::run::hf8c10e7042647462
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.39/src/lib.rs:978
[INFO] [stderr]    8:     0x55885e26828a - gcc::Config::compile_object::he4a52cbedd0b29b6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.39/src/lib.rs:435
[INFO] [stderr]    9:     0x55885e267b3b - gcc::Config::compile_objects::he5ece9def1e7fac6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.39/src/lib.rs:405
[INFO] [stderr]   10:     0x55885e26699d - gcc::Config::compile::h70379cb10c8bf468
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.39/src/lib.rs:353
[INFO] [stderr]   11:     0x55885e26530e - build_script_build::main::h775b31eacd7d071c
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:4
[INFO] [stderr]   12:     0x55885e2653ef - std::rt::lang_start::{{closure}}::h85d9ab75f5e23bbf
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x55885e2b6fb2 - std::panicking::try::do_call::hc3d8373a0b215f51
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   14:     0x55885e2bead9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   15:     0x55885e2b7a6c - std::rt::lang_start_internal::he5218c8b95d395f2
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   16:     0x55885e2653c8 - std::rt::lang_start::ha78242f937d5f059
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x55885e265369 - main
[INFO] [stderr]   18:     0x7ff2868c32e0 - __libc_start_main
[INFO] [stderr]   19:     0x55885e2650f9 - _start
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "4d4eafc59bde46d29aa52e1acde8b75fcec227b29e036cffaf19e699b0ec725e"`
[INFO] running `"docker" "rm" "-f" "4d4eafc59bde46d29aa52e1acde8b75fcec227b29e036cffaf19e699b0ec725e"`
[INFO] [stdout] 4d4eafc59bde46d29aa52e1acde8b75fcec227b29e036cffaf19e699b0ec725e