[INFO] crate tensorflow-sys 0.16.0 is already in cache
[INFO] extracting crate tensorflow-sys 0.16.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/tensorflow-sys/0.16.0
[INFO] extracting crate tensorflow-sys 0.16.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/tensorflow-sys/0.16.0
[INFO] validating manifest of tensorflow-sys-0.16.0 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tensorflow-sys-0.16.0 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tensorflow-sys-0.16.0
[INFO] finished frobbing tensorflow-sys-0.16.0
[INFO] frobbed toml for tensorflow-sys-0.16.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/tensorflow-sys/0.16.0/Cargo.toml
[INFO] started frobbing tensorflow-sys-0.16.0
[INFO] finished frobbing tensorflow-sys-0.16.0
[INFO] frobbed toml for tensorflow-sys-0.16.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/tensorflow-sys/0.16.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tensorflow-sys-0.16.0 against master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-3/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/tensorflow-sys/0.16.0:/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 65dedac3696c88d7aa77236994817f162c1a9887baa6880e9c2dbf3a30e6f4f2
[INFO] running `"docker" "start" "-a" "65dedac3696c88d7aa77236994817f162c1a9887baa6880e9c2dbf3a30e6f4f2"`
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.48
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling flate2 v1.0.9
[INFO] [stderr]    Compiling curl-sys v0.4.20
[INFO] [stderr]    Compiling curl v0.4.22
[INFO] [stderr]    Compiling tensorflow-sys v0.16.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> build.rs:272:36
[INFO] [stderr]     |
[INFO] [stderr] 272 | fn check_bazel() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `tensorflow-sys v0.16.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/tensorflow-sys-83f6442661380bae/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] libtensorflow-sys/build.rs:109: binary_url = "https://storage.googleapis.com/tensorflow/libtensorflow/libtensorflow-cpu-linux-x86_64-1.13.1.tar.gz"
[INFO] [stderr] libtensorflow-sys/build.rs:113: base_name = "libtensorflow-cpu-linux-x86_64-1.13.1"
[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:     0x55b5a80bf9bb - backtrace::backtrace::libunwind::trace::h88d9499c2d7e1dbc
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55b5a80bf9bb - backtrace::backtrace::trace_unsynchronized::h64df3798ffaf338f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55b5a80bf9bb - std::sys_common::backtrace::_print::h549f3692f8d3f393
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55b5a80bf9bb - std::sys_common::backtrace::print::h037f1d7e6e0e94de
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55b5a80bf9bb - std::panicking::default_hook::{{closure}}::h88a39cbd1a8489c9
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55b5a80bf696 - std::panicking::default_hook::hdb7c9c6632585072
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55b5a80c012d - std::panicking::rust_panic_with_hook::h906f2b0ace338868
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55b5a80bfcb2 - std::panicking::continue_panic_fmt::h3597c4d7a66a7e7b
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55b5a80bfb96 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x55b5a80db41d - core::panicking::panic_fmt::he1729b262db7d0f1
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55b5a80db517 - core::result::unwrap_failed::h24d6964fca127bdf
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x55b5a7f9fc0f - core::result::Result<T,E>::unwrap::h7701ddda601abb3c
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x55b5a7f8e577 - build_script_build::install_prebuilt::hb8e143939b40e289
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:119
[INFO] [stderr]   13:     0x55b5a7f8da1a - build_script_build::main::hbbda3cdcc77634a6
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:57
[INFO] [stderr]   14:     0x55b5a7f98980 - std::rt::lang_start::{{closure}}::he0b13d9c81f98fdd
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x55b5a80bfb33 - std::rt::lang_start_internal::{{closure}}::h9ea1b9f2bce8ffef
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x55b5a80bfb33 - std::panicking::try::do_call::hfbd18154d6e81e0d
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   17:     0x55b5a80c7e6a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   18:     0x55b5a80c06fd - std::panicking::try::h9cb4b237371abf81
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   19:     0x55b5a80c06fd - std::panic::catch_unwind::hd403853a39b4e3c9
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   20:     0x55b5a80c06fd - std::rt::lang_start_internal::h7e5e162b169a1510
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x55b5a7f98959 - std::rt::lang_start::hfa48a2b1f4ca298d
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x55b5a7f9480a - main
[INFO] [stderr]   23:     0x7ff54bd142e1 - __libc_start_main
[INFO] [stderr]   24:     0x55b5a7f8d50a - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "65dedac3696c88d7aa77236994817f162c1a9887baa6880e9c2dbf3a30e6f4f2"`
[INFO] running `"docker" "rm" "-f" "65dedac3696c88d7aa77236994817f162c1a9887baa6880e9c2dbf3a30e6f4f2"`
[INFO] [stdout] 65dedac3696c88d7aa77236994817f162c1a9887baa6880e9c2dbf3a30e6f4f2