[INFO] updating cached repository 35359595/rust_mnist_tensorflow
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/35359595/rust_mnist_tensorflow
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/35359595/rust_mnist_tensorflow" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/35359595/rust_mnist_tensorflow"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/35359595/rust_mnist_tensorflow'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/35359595/rust_mnist_tensorflow" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/35359595/rust_mnist_tensorflow"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/35359595/rust_mnist_tensorflow'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7d576149b2a4a1ec6dca81e802a06cf2a9f47df
[INFO] sha for GitHub repo 35359595/rust_mnist_tensorflow: a7d576149b2a4a1ec6dca81e802a06cf2a9f47df
[INFO] validating manifest of 35359595/rust_mnist_tensorflow on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 35359595/rust_mnist_tensorflow on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing 35359595/rust_mnist_tensorflow
[INFO] finished frobbing 35359595/rust_mnist_tensorflow
[INFO] frobbed toml for 35359595/rust_mnist_tensorflow written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/35359595/rust_mnist_tensorflow/Cargo.toml
[INFO] started frobbing 35359595/rust_mnist_tensorflow
[INFO] finished frobbing 35359595/rust_mnist_tensorflow
[INFO] frobbed toml for 35359595/rust_mnist_tensorflow written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/35359595/rust_mnist_tensorflow/Cargo.toml
[INFO] crate 35359595/rust_mnist_tensorflow already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking 35359595/rust_mnist_tensorflow against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-1/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/35359595/rust_mnist_tensorflow:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fd157c6cca67b586c1285449ae820b747d69243dd6906774e3ddc384671cdf93
[INFO] running `"docker" "start" "-a" "fd157c6cca67b586c1285449ae820b747d69243dd6906774e3ddc384671cdf93"`
[INFO] [stderr]    Compiling openssl-probe v0.1.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling xattr v0.1.11
[INFO] [stderr]    Compiling filetime v0.1.14
[INFO] [stderr]    Compiling socket2 v0.2.4
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling openssl-sys v0.9.20
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling tar v0.4.13
[INFO] [stderr]    Compiling curl-sys v0.3.15
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling curl v0.4.8
[INFO] [stderr]    Compiling semver-parser v0.6.2
[INFO] [stderr]    Compiling semver v0.5.1
[INFO] [stderr]    Compiling tensorflow-sys v0.9.0
[INFO] [stderr] error: failed to run custom build command for `tensorflow-sys v0.9.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/tensorflow-sys-89cb0adad2de385d/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] libtensorflow-sys/build.rs:80: binary_url = "https://storage.googleapis.com/tensorflow/libtensorflow/libtensorflow-cpu-linux-x86_64-1.3.0.tar.gz"
[INFO] [stderr] libtensorflow-sys/build.rs:84: base_name = "libtensorflow-cpu-linux-x86_64-1.3.0"
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55e2bb7f90bb - backtrace::backtrace::libunwind::trace::h0c70a293f076b04d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55e2bb7f90bb - backtrace::backtrace::trace_unsynchronized::h1bc693e29cfaa7b4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55e2bb7f90bb - std::sys_common::backtrace::_print::h8e9bb00be68d4090
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55e2bb7f90bb - std::sys_common::backtrace::print::h706192507dd9d34d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55e2bb7f90bb - std::panicking::default_hook::{{closure}}::he2b558091ea21dea
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55e2bb7f8d97 - std::panicking::default_hook::hfb9d48d2b8aaf0f5
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55e2bb7f9830 - std::panicking::rust_panic_with_hook::h56bb6d26ac5aac90
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55e2bb7f93b2 - std::panicking::continue_panic_fmt::h360cf8419afe0564
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x55e2bb7f9296 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:309
[INFO] [stderr]    9:     0x55e2bb81492d - core::panicking::panic_fmt::h9cf93b79d5aa98c5
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55e2bb5bf3f3 - core::result::unwrap_failed::h3dcc6caa57bee8e4
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x55e2bb5bff59 - core::result::Result<T,E>::unwrap::h8c429b73703a90c3
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x55e2bb5acc0a - build_script_build::install_prebuilt::hd1eb4a5ec85e800e
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tensorflow-sys-0.9.0/build.rs:90
[INFO] [stderr]   13:     0x55e2bb5ac070 - build_script_build::main::h96ec5aa6d825b405
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tensorflow-sys-0.9.0/build.rs:49
[INFO] [stderr]   14:     0x55e2bb5bdc50 - std::rt::lang_start::{{closure}}::h3510eedd4a6aad6a
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x55e2bb7f9233 - std::rt::lang_start_internal::{{closure}}::h868ef2b3c3a15fff
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x55e2bb7f9233 - std::panicking::try::do_call::h4528fe5c5ea34ef8
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   17:     0x55e2bb80113a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   18:     0x55e2bb7f9dfd - std::panicking::try::ha87d5378c5dcb863
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   19:     0x55e2bb7f9dfd - std::panic::catch_unwind::hf01b748a30fdd5ec
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   20:     0x55e2bb7f9dfd - std::rt::lang_start_internal::h9518341cf2ad1d33
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x55e2bb5bdc29 - std::rt::lang_start::h35cc9dfddd4ef49c
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x55e2bb5b214a - main
[INFO] [stderr]   23:     0x7fb1c348d2e1 - __libc_start_main
[INFO] [stderr]   24:     0x55e2bb5abc5a - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "fd157c6cca67b586c1285449ae820b747d69243dd6906774e3ddc384671cdf93"`
[INFO] running `"docker" "rm" "-f" "fd157c6cca67b586c1285449ae820b747d69243dd6906774e3ddc384671cdf93"`
[INFO] [stdout] fd157c6cca67b586c1285449ae820b747d69243dd6906774e3ddc384671cdf93