[INFO] updating cached repository thomwiggers/lpn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thomwiggers/lpn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thomwiggers/lpn" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/thomwiggers/lpn"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/thomwiggers/lpn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thomwiggers/lpn" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/thomwiggers/lpn"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/thomwiggers/lpn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a9b5fc4108f586060c0026eb4be9592c3c5dbec3
[INFO] sha for GitHub repo thomwiggers/lpn: a9b5fc4108f586060c0026eb4be9592c3c5dbec3
[INFO] validating manifest of thomwiggers/lpn on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of thomwiggers/lpn on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing thomwiggers/lpn
[INFO] finished frobbing thomwiggers/lpn
[INFO] frobbed toml for thomwiggers/lpn written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/thomwiggers/lpn/Cargo.toml
[INFO] started frobbing thomwiggers/lpn
[INFO] finished frobbing thomwiggers/lpn
[INFO] frobbed toml for thomwiggers/lpn written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/thomwiggers/lpn/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking thomwiggers/lpn against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-4/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/thomwiggers/lpn:/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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7a4be3ea10bbb2729ba9132c5f90143e8be454d21939022c21e07bbcac46bbc2
[INFO] running `"docker" "start" "-a" "7a4be3ea10bbb2729ba9132c5f90143e8be454d21939022c21e07bbcac46bbc2"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling m4ri-sys v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking binomial-iter v0.1.0
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling vob v2.0.2
[INFO] [stderr]     Checking factorial v0.1.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr] error: failed to run custom build command for `m4ri-sys v0.3.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/m4ri-sys-6d4a578b0d4324ed/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Making M4RI
[INFO] [stderr] PWD: "/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/m4ri-sys-0.3.1"
[INFO] [stderr] cargo:warning=Building m4ri lib
[INFO] [stderr] Configuring build!
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] autom4te: cannot create autom4te.cache: No such file or directory
[INFO] [stderr] aclocal: error: echo failed with exit status: 1
[INFO] [stderr] autoreconf: aclocal failed with exit status: 1
[INFO] [stderr] thread 'main' panicked at 'Autoconf failed!', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/m4ri-sys-0.3.1/build.rs:19:13
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55e51eb1082b - backtrace::backtrace::libunwind::trace::hbfb69e72f505529b
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55e51eb1082b - backtrace::backtrace::trace_unsynchronized::hac9ea77fa06b91bd
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55e51eb1082b - std::sys_common::backtrace::_print::hf6f722cabcf8c26d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55e51eb1082b - std::sys_common::backtrace::print::h9cca5983945bdb52
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55e51eb1082b - std::panicking::default_hook::{{closure}}::h2fab7259edc3a80d
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55e51eb10507 - std::panicking::default_hook::ha99acf6d9268d46d
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55e51eb10ef0 - std::panicking::rust_panic_with_hook::hddab2c65ce92e648
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55e51eafeb34 - std::panicking::begin_panic::hd7da42e6538e3ba1
[INFO] [stderr]                                at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x55e51eb040a4 - build_script_build::main::h6af36c59bf406f78
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/m4ri-sys-0.3.1/build.rs:19
[INFO] [stderr]    9:     0x55e51eafcb80 - std::rt::lang_start::{{closure}}::h74ef6b4d5d58f0ce
[INFO] [stderr]                                at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libstd/rt.rs:64
[INFO] [stderr]   10:     0x55e51eb10943 - std::rt::lang_start_internal::{{closure}}::hbec6d1ff7b00d029
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   11:     0x55e51eb10943 - std::panicking::try::do_call::h83e51489f66cd002
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   12:     0x55e51eb16e8a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   13:     0x55e51eb113fd - std::panicking::try::hb1deae6a8854c8be
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   14:     0x55e51eb113fd - std::panic::catch_unwind::hff09c33b8b66b7a2
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   15:     0x55e51eb113fd - std::rt::lang_start_internal::h01b3f7988e3fe75d
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   16:     0x55e51eafcb59 - std::rt::lang_start::h627cf998736c92b7
[INFO] [stderr]                                at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x55e51eb0443a - main
[INFO] [stderr]   18:     0x7f6743c572e1 - __libc_start_main
[INFO] [stderr]   19:     0x55e51eaf3fda - _start
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7a4be3ea10bbb2729ba9132c5f90143e8be454d21939022c21e07bbcac46bbc2"`
[INFO] running `"docker" "rm" "-f" "7a4be3ea10bbb2729ba9132c5f90143e8be454d21939022c21e07bbcac46bbc2"`
[INFO] [stdout] 7a4be3ea10bbb2729ba9132c5f90143e8be454d21939022c21e07bbcac46bbc2