[INFO] cloning repository scottzzq/IFS
[INFO] running `"git" "clone" "--bare" "git://github.com/scottzzq/IFS.git" "work/cache/sources/gh/scottzzq/IFS"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/scottzzq/IFS'...
[INFO] running `"git" "clone" "work/cache/sources/gh/scottzzq/IFS" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/scottzzq/IFS"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/scottzzq/IFS'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scottzzq/IFS" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/scottzzq/IFS"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/scottzzq/IFS'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 18b678ec4f297d093ab2e410247600f56addf027
[INFO] sha for GitHub repo scottzzq/IFS: 18b678ec4f297d093ab2e410247600f56addf027
[INFO] validating manifest of scottzzq/IFS on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scottzzq/IFS on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing scottzzq/IFS
[INFO] finished frobbing scottzzq/IFS
[INFO] frobbed toml for scottzzq/IFS written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/scottzzq/IFS/Cargo.toml
[INFO] started frobbing scottzzq/IFS
[INFO] finished frobbing scottzzq/IFS
[INFO] frobbed toml for scottzzq/IFS written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/scottzzq/IFS/Cargo.toml
[INFO] crate scottzzq/IFS already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/scottzzq/kvproto.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utime v0.1.3
[INFO] [stderr]   Downloaded serde_derive v0.9.10
[INFO] [stderr]   Downloaded protobuf v1.2.2
[INFO] [stderr]   Downloaded quote v0.3.14
[INFO] [stderr]   Downloaded signal v0.2.0
[INFO] [stderr]   Downloaded clippy_lints v0.0.117
[INFO] [stderr]   Downloaded clippy v0.0.117
[INFO] [stderr]   Downloaded syn v0.11.8
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking scottzzq/IFS against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/scottzzq/IFS:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f7cc8c4c7ad8854932cc997d2710d9e73c83174e0a891f5d3906dea4f3171c8e
[INFO] running `"docker" "start" "-a" "f7cc8c4c7ad8854932cc997d2710d9e73c83174e0a891f5d3906dea4f3171c8e"`
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking httparse v1.2.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking protobuf v1.2.2
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking quick-error v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.4
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking threadpool v1.3.2
[INFO] [stderr]     Checking getopts v0.2.14
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling kernel32-sys v0.1.4
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stderr]      |
[INFO] [stderr] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 959  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking mime v0.2.2
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num_cpus v1.3.0
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking fs2 v0.4.1
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking nix v0.5.0-pre (https://github.com/carllerche/nix-rust?rev=c4257f8a76#c4257f8a)
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking crc v1.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling librocksdb_sys v0.1.0 (https://github.com/pingcap/rust-rocksdb.git#968ba41e)
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking clap v2.20.5
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]     Checking num-bigint v0.1.36
[INFO] [stderr]     Checking num-complex v0.1.36
[INFO] [stderr]     Checking toml v0.1.30
[INFO] [stderr] error[E0591]: can't transmute zero-sized type
[INFO] [stderr]    --> /opt/crater/cargo-home/git/checkouts/nix-rust-d606302ceff0dca5/c4257f8/src/sched.rs:190:20
[INFO] [stderr]     |
[INFO] [stderr] 190 |         ffi::clone(mem::transmute(callback), ptr as *mut c_void, flags, &mut cb)
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: source type: for<'r> extern "C" fn(*mut std::boxed::Box<(dyn std::ops::FnMut() -> isize + 'r)>) -> i32 {sched::clone::callback}
[INFO] [stderr]     = note: target type: *const for<'r> extern "C" fn(*const std::boxed::Box<(dyn std::ops::FnMut() -> isize + 'r)>) -> i32
[INFO] [stderr]     = help: cast with `as` to a pointer instead
[INFO] [stderr] 
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0591`.
[INFO] [stderr] error: Could not compile `nix`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to run custom build command for `librocksdb_sys v0.1.0 (https://github.com/pingcap/rust-rocksdb.git#968ba41e)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/librocksdb_sys-c531b27576672da5/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] PROFILE = Some("debug")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-std=c++11" "-fPIC" "-O2" "-o" "/opt/crater/target/debug/build/librocksdb_sys-f209c1b34ac97603/out/crocksdb/c.o" "-c" "crocksdb/c.cc"
[INFO] [stderr] cargo:warning=crocksdb/c.cc:13:27: fatal error: rocksdb/cache.h: No such file or directory
[INFO] [stderr] cargo:warning= #include "rocksdb/cache.h"
[INFO] [stderr] cargo:warning=                           ^
[INFO] [stderr] cargo:warning=compilation terminated.
[INFO] [stderr] ExitStatus(ExitStatus(256))
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] command did not execute successfully, got: exit code: 1
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'explicit panic', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.43/src/lib.rs:1127:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x560897da5b7b - backtrace::backtrace::libunwind::trace::h3eb7dec79b0cb248
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x560897da5b7b - backtrace::backtrace::trace_unsynchronized::h828522acfd8fecfd
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x560897da5b7b - std::sys_common::backtrace::_print::ha50329dede3e270e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x560897da5b7b - std::sys_common::backtrace::print::ha6d7f96740481555
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x560897da5b7b - std::panicking::default_hook::{{closure}}::h48c4812e51e499b0
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x560897da5857 - std::panicking::default_hook::h5d25d0fa83093442
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x560897da62a0 - std::panicking::rust_panic_with_hook::h1babb2b4ac73106c
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x560897d639e8 - std::panicking::begin_panic::hbdaad957b53cc8d2
[INFO] [stderr]                                at /rustc/848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x560897d96d18 - gcc::fail::h07508847f513d121
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.43/src/lib.rs:1127
[INFO] [stderr]    9:     0x560897d965f9 - gcc::run::hf7d97abc05d9974d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.43/src/lib.rs:1120
[INFO] [stderr]   10:     0x560897d8cb6d - gcc::Config::compile_object::h18c962490c5f6504
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.43/src/lib.rs:482
[INFO] [stderr]   11:     0x560897d8c42a - gcc::Config::compile_objects::ha1b8f02f3926be9e
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.43/src/lib.rs:448
[INFO] [stderr]   12:     0x560897d8b34c - gcc::Config::compile::h643dc990533aa2f4
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.43/src/lib.rs:398
[INFO] [stderr]   13:     0x560897d4a38f - build_script_build::main::h01881fe6292dc1a9
[INFO] [stderr]                                at /opt/crater/cargo-home/git/checkouts/rust-rocksdb-82ef6e5337b3fbe6/968ba41/librocksdb_sys/build.rs:17
[INFO] [stderr]   14:     0x560897d4ce10 - std::rt::lang_start::{{closure}}::h0754fe2b2312a892
[INFO] [stderr]                                at /rustc/848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x560897da5cf3 - std::rt::lang_start_internal::{{closure}}::h8302806cea4153ed
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x560897da5cf3 - std::panicking::try::do_call::hc811096721c4b953
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   17:     0x560897dae8da - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   18:     0x560897da67ad - std::panicking::try::h132c927956f6dad4
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   19:     0x560897da67ad - std::panic::catch_unwind::h2f6ea137782ab73f
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   20:     0x560897da67ad - std::rt::lang_start_internal::h0f27bcf63030d183
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x560897d4cde9 - std::rt::lang_start::h3ea6122a93b18f11
[INFO] [stderr]                                at /rustc/848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x560897d4cb8a - main
[INFO] [stderr]   23:     0x7f9b761a72e1 - __libc_start_main
[INFO] [stderr]   24:     0x560897d4a13a - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f7cc8c4c7ad8854932cc997d2710d9e73c83174e0a891f5d3906dea4f3171c8e"`
[INFO] running `"docker" "rm" "-f" "f7cc8c4c7ad8854932cc997d2710d9e73c83174e0a891f5d3906dea4f3171c8e"`
[INFO] [stdout] f7cc8c4c7ad8854932cc997d2710d9e73c83174e0a891f5d3906dea4f3171c8e