[INFO] updating cached repository MattMcDonald/mruby-sys
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MattMcDonald/mruby-sys
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MattMcDonald/mruby-sys" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/MattMcDonald/mruby-sys"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/MattMcDonald/mruby-sys'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MattMcDonald/mruby-sys" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/MattMcDonald/mruby-sys"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/MattMcDonald/mruby-sys'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 28d7253fe66a019a6659c6d0edf2d8a7421b263d
[INFO] sha for GitHub repo MattMcDonald/mruby-sys: 28d7253fe66a019a6659c6d0edf2d8a7421b263d
[INFO] validating manifest of MattMcDonald/mruby-sys 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 MattMcDonald/mruby-sys 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 MattMcDonald/mruby-sys
[INFO] finished frobbing MattMcDonald/mruby-sys
[INFO] frobbed toml for MattMcDonald/mruby-sys written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/MattMcDonald/mruby-sys/Cargo.toml
[INFO] started frobbing MattMcDonald/mruby-sys
[INFO] finished frobbing MattMcDonald/mruby-sys
[INFO] frobbed toml for MattMcDonald/mruby-sys written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/MattMcDonald/mruby-sys/Cargo.toml
[INFO] crate MattMcDonald/mruby-sys already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/MattMcDonald/mruby-sys/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-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" "+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 MattMcDonald/mruby-sys against master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/MattMcDonald/mruby-sys:/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] b64e54d02cda9f9f82f0fd211749b3f18d6ab2d9b0f629bf6283d9a6bf55bd4c
[INFO] running `"docker" "start" "-a" "b64e54d02cda9f9f82f0fd211749b3f18d6ab2d9b0f629bf6283d9a6bf55bd4c"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bindgen v0.49.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling mruby-sys v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `mruby-sys v0.2.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/mruby-sys-e157bb157fe8c228/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] /opt/crater/target/debug/build/mruby-sys-987e6c46c7ba2963/out/target/vendor
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Couldn't build mruby: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/libcore/result.rs:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55aa4428028b - 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:     0x55aa4428028b - 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:     0x55aa4428028b - std::sys_common::backtrace::_print::h549f3692f8d3f393
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55aa4428028b - std::sys_common::backtrace::print::h037f1d7e6e0e94de
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55aa4428028b - std::panicking::default_hook::{{closure}}::h88a39cbd1a8489c9
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55aa4427ff66 - std::panicking::default_hook::hdb7c9c6632585072
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55aa442809fd - std::panicking::rust_panic_with_hook::h906f2b0ace338868
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55aa44280582 - std::panicking::continue_panic_fmt::h3597c4d7a66a7e7b
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55aa44280466 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x55aa442a0c5d - core::panicking::panic_fmt::he1729b262db7d0f1
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55aa442a0d57 - core::result::unwrap_failed::h24d6964fca127bdf
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x55aa43bbf948 - core::result::Result<T,E>::expect::hf310cffa2a885fab
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libcore/result.rs:879
[INFO] [stderr]   12:     0x55aa43bbf0ac - build_script_build::build::h68ce9b05381847a1
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:30
[INFO] [stderr]   13:     0x55aa43bbf326 - build_script_build::main::hd788c90d34b171ed
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:56
[INFO] [stderr]   14:     0x55aa43bbc9e0 - std::rt::lang_start::{{closure}}::ha8c6f9d9aabd35c9
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x55aa44280403 - std::rt::lang_start_internal::{{closure}}::h9ea1b9f2bce8ffef
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x55aa44280403 - std::panicking::try::do_call::hfbd18154d6e81e0d
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   17:     0x55aa4428916a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   18:     0x55aa44280f0d - std::panicking::try::h9cb4b237371abf81
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   19:     0x55aa44280f0d - std::panic::catch_unwind::hd403853a39b4e3c9
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   20:     0x55aa44280f0d - std::rt::lang_start_internal::h7e5e162b169a1510
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x55aa43bbc9b9 - std::rt::lang_start::h95af5890cf82a4be
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x55aa43bbf35a - main
[INFO] [stderr]   23:     0x7fcaa79c32e1 - __libc_start_main
[INFO] [stderr]   24:     0x55aa43bb3faa - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "b64e54d02cda9f9f82f0fd211749b3f18d6ab2d9b0f629bf6283d9a6bf55bd4c"`
[INFO] running `"docker" "rm" "-f" "b64e54d02cda9f9f82f0fd211749b3f18d6ab2d9b0f629bf6283d9a6bf55bd4c"`
[INFO] [stdout] b64e54d02cda9f9f82f0fd211749b3f18d6ab2d9b0f629bf6283d9a6bf55bd4c