[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-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/35359595/rust_mnist_tensorflow"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/35359595/rust_mnist_tensorflow'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/35359595/rust_mnist_tensorflow" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/35359595/rust_mnist_tensorflow"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/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#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 35359595/rust_mnist_tensorflow on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-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-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/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-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking 35359595/rust_mnist_tensorflow against try#75eff020d0923c035c2fe220db4a0465cd847048 for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-2/try#75eff020d0923c035c2fe220db4a0465cd847048:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/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" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 925dfb3a34134f8e11d7068e2b696cbeae57e5edd4b87ff39ebe0f7b854e5e78
[INFO] running `"docker" "start" "-a" "925dfb3a34134f8e11d7068e2b696cbeae57e5edd4b87ff39ebe0f7b854e5e78"`
[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 miniz-sys v0.1.10
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling openssl-sys v0.9.20
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling curl-sys v0.3.15
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling tar v0.4.13
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling semver-parser v0.6.2
[INFO] [stderr]    Compiling semver v0.5.1
[INFO] [stderr]    Compiling curl v0.4.8
[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-4e8016f0457093dc/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:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55aa8634df6b - backtrace::backtrace::libunwind::trace::h223ecf9e25ea61ed
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55aa8634df6b - backtrace::backtrace::trace_unsynchronized::h19c402a6233e597e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55aa8634df6b - std::sys_common::backtrace::_print::h14947081e8315ba5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55aa8634df6b - std::sys_common::backtrace::print::h87cad3f0b50b59c5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55aa8634df6b - std::panicking::default_hook::{{closure}}::h497a714df189bd9d
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55aa8634dc46 - std::panicking::default_hook::h8dc4a117b759bd96
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55aa8634e6dd - std::panicking::rust_panic_with_hook::h4cbf0f096b75f262
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55aa8634e262 - std::panicking::continue_panic_fmt::hbfbfc57925685348
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55aa8634e146 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x55aa8636974d - core::panicking::panic_fmt::h011c5c8794bf0cc5
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55aa86369847 - core::result::unwrap_failed::hcd7c37294cdf213e
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x55aa8611039f - core::result::Result<T,E>::unwrap::hc377e3f227aaa578
[INFO] [stderr]                                at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x55aa86108387 - build_script_build::install_prebuilt::h2b049bf198247259
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tensorflow-sys-0.9.0/build.rs:90
[INFO] [stderr]   13:     0x55aa8610781b - build_script_build::main::hd89c9b476b483972
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tensorflow-sys-0.9.0/build.rs:49
[INFO] [stderr]   14:     0x55aa86119bc0 - std::rt::lang_start::{{closure}}::h5526e43137af6f83
[INFO] [stderr]                                at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x55aa8634e0e3 - std::rt::lang_start_internal::{{closure}}::hb2a68345cd4d50f8
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x55aa8634e0e3 - std::panicking::try::do_call::ha4d88255f4a68d08
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   17:     0x55aa86355f7a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   18:     0x55aa8634ecad - std::panicking::try::h6debac9988c5415d
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   19:     0x55aa8634ecad - std::panic::catch_unwind::h4659dbf6316a9c8d
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   20:     0x55aa8634ecad - std::rt::lang_start_internal::hdadab8536edf34fe
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x55aa86119b99 - std::rt::lang_start::h09e4770975cf653f
[INFO] [stderr]                                at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x55aa8610d79a - main
[INFO] [stderr]   23:     0x7f8d2b1462e1 - __libc_start_main
[INFO] [stderr]   24:     0x55aa8610740a - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "925dfb3a34134f8e11d7068e2b696cbeae57e5edd4b87ff39ebe0f7b854e5e78"`
[INFO] running `"docker" "rm" "-f" "925dfb3a34134f8e11d7068e2b696cbeae57e5edd4b87ff39ebe0f7b854e5e78"`
[INFO] [stdout] 925dfb3a34134f8e11d7068e2b696cbeae57e5edd4b87ff39ebe0f7b854e5e78