[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-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/scottzzq/IFS"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/scottzzq/IFS'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scottzzq/IFS" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/scottzzq/IFS"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scottzzq/IFS on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-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-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/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-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/scottzzq/IFS/Cargo.toml
[INFO] crate scottzzq/IFS already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-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 signal v0.2.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking scottzzq/IFS against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-0/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/scottzzq/IFS:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1c5f0cf10c59325775ab02751796abf877f6ba687bb31346e9686abe674d88a5
[INFO] running `"docker" "start" "-a" "1c5f0cf10c59325775ab02751796abf877f6ba687bb31346e9686abe674d88a5"`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking matches v0.1.4
[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]     Checking winapi v0.2.8
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking httparse v1.2.1
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking quick-error v0.2.2
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking protobuf v1.2.2
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking lazy_static v0.2.4
[INFO] [stderr]     Checking threadpool v1.3.2
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking getopts v0.2.14
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[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]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.1.4
[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 net2 v0.2.26
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking fs2 v0.4.1
[INFO] [stderr]     Checking nix v0.5.0-pre (https://github.com/carllerche/nix-rust?rev=c4257f8a76#c4257f8a)
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking crc v1.4.0
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]    Compiling librocksdb_sys v0.1.0 (https://github.com/pingcap/rust-rocksdb.git#968ba41e)
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[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] 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]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling nix v0.6.0
[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-afa89ef21918329d/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-e7dee63e65c5d478/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:     0x55eeb348954b - backtrace::backtrace::libunwind::trace::h00e2f01ca6755a19
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55eeb348954b - backtrace::backtrace::trace_unsynchronized::hc2e55f9123c24578
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55eeb348954b - std::sys_common::backtrace::_print::h878d975ca669e1b4
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55eeb348954b - std::sys_common::backtrace::print::h1b2f6b4885b021f3
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55eeb348954b - std::panicking::default_hook::{{closure}}::he9ab19abef5c787f
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55eeb348924c - std::panicking::default_hook::h9b73316e8577c3fa
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55eeb3489c70 - std::panicking::rust_panic_with_hook::he062866264d328c5
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55eeb3447738 - std::panicking::begin_panic::h9c18dcffc2e8cbbb
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/panicking.rs:409
[INFO] [stderr]    8:     0x55eeb347a568 - gcc::fail::hba168f58dbef9d69
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.43/src/lib.rs:1127
[INFO] [stderr]    9:     0x55eeb3479e05 - gcc::run::hc58d82143f658636
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.43/src/lib.rs:1120
[INFO] [stderr]   10:     0x55eeb347051e - gcc::Config::compile_object::h975c5ce3fa219473
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.43/src/lib.rs:482
[INFO] [stderr]   11:     0x55eeb346fdcc - gcc::Config::compile_objects::hb22e3ed75e4aa71d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.43/src/lib.rs:448
[INFO] [stderr]   12:     0x55eeb346ecee - gcc::Config::compile::h67b695be5d9af9a4
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.43/src/lib.rs:398
[INFO] [stderr]   13:     0x55eeb342debd - build_script_build::main::h2befbfaf1adbef97
[INFO] [stderr]                                at /opt/crater/cargo-home/git/checkouts/rust-rocksdb-82ef6e5337b3fbe6/968ba41/librocksdb_sys/build.rs:17
[INFO] [stderr]   14:     0x55eeb3430960 - std::rt::lang_start::{{closure}}::h4a88695d8fd4a0a1
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x55eeb34896c3 - std::rt::lang_start_internal::{{closure}}::hac4055a4b24c3806
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x55eeb34896c3 - std::panicking::try::do_call::h0bdfdef338a7b8de
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   17:     0x55eeb34923da - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   18:     0x55eeb348a17d - std::panicking::try::h5986cc11523af350
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   19:     0x55eeb348a17d - std::panic::catch_unwind::h5e6e2d11127cecca
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   20:     0x55eeb348a17d - std::rt::lang_start_internal::hd1ad303a81183dc4
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x55eeb3430939 - std::rt::lang_start::hf211a4a94a9a9bb5
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x55eeb34306da - main
[INFO] [stderr]   23:     0x7f97dc3af2e1 - __libc_start_main
[INFO] [stderr]   24:     0x55eeb342dc7a - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `"docker" "inspect" "1c5f0cf10c59325775ab02751796abf877f6ba687bb31346e9686abe674d88a5"`
[INFO] running `"docker" "rm" "-f" "1c5f0cf10c59325775ab02751796abf877f6ba687bb31346e9686abe674d88a5"`
[INFO] [stdout] 1c5f0cf10c59325775ab02751796abf877f6ba687bb31346e9686abe674d88a5