[INFO] updating cached repository bnbeckwith/abes-axe
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bnbeckwith/abes-axe
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bnbeckwith/abes-axe" "work/ex/beta-1.37-6/sources/1.36.0/gh/bnbeckwith/abes-axe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/bnbeckwith/abes-axe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bnbeckwith/abes-axe" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bnbeckwith/abes-axe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bnbeckwith/abes-axe'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 05ec65da2461d9146dd2604bd9669d85614c6c29
[INFO] sha for GitHub repo bnbeckwith/abes-axe: 05ec65da2461d9146dd2604bd9669d85614c6c29
[INFO] validating manifest of bnbeckwith/abes-axe on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bnbeckwith/abes-axe on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bnbeckwith/abes-axe
[INFO] finished frobbing bnbeckwith/abes-axe
[INFO] frobbed toml for bnbeckwith/abes-axe written to work/ex/beta-1.37-6/sources/1.36.0/gh/bnbeckwith/abes-axe/Cargo.toml
[INFO] started frobbing bnbeckwith/abes-axe
[INFO] finished frobbing bnbeckwith/abes-axe
[INFO] frobbed toml for bnbeckwith/abes-axe written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bnbeckwith/abes-axe/Cargo.toml
[INFO] crate bnbeckwith/abes-axe already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bnbeckwith/abes-axe against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bnbeckwith/abes-axe:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 84f6617d7ad689b8910cec3969bd831766f4c60ac8d633e26656d785bd9d01a9
[INFO] running `"docker" "start" "-a" "84f6617d7ad689b8910cec3969bd831766f4c60ac8d633e26656d785bd9d01a9"`
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling openssl-probe v0.1.0
[INFO] [stderr]    Compiling either v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling openssl-sys v0.9.2
[INFO] [stderr]    Compiling unicode-bidi v0.2.3
[INFO] [stderr]    Compiling itertools v0.5.8
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.6.1
[INFO] [stderr]    Compiling clap v2.19.2
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling cmake v0.1.19
[INFO] [stderr]    Compiling libz-sys v1.0.7
[INFO] [stderr]    Compiling curl-sys v0.3.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling pbr v1.0.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.4
[INFO] [stderr]    Compiling libgit2-sys v0.6.5
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling url v1.2.3
[INFO] [stderr]    Compiling error-chain v0.7.1
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.2.3/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[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 git2 v0.6.3
[INFO] [stderr]    Compiling abes-axe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/axe.rs:122:25
[INFO] [stderr]     |
[INFO] [stderr] 122 |                     let mut lines = self.files.entry(filename.to_owned())
[INFO] [stderr]     |                         ----^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.abes_axe.cjtqpotv-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.abes_axe.cjtqpotv-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.abes_axe.cjtqpotv-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.abes_axe.cjtqpotv-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.abes_axe.cjtqpotv-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.abes_axe.cjtqpotv-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.abes_axe.cjtqpotv-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.abes_axe.cjtqpotv-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.abes_axe.cjtqpotv-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.abes_axe.cjtqpotv-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.abes_axe.cjtqpotv-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.abes_axe.cjtqpotv-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.abes_axe.cjtqpotv-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.abes_axe.cjtqpotv-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.abes_axe.cjtqpotv-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.abes_axe.cjtqpotv-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8" "/opt/crater/target/debug/deps/abes_axe-a9b6f56c7949a9b8.3odelzutyhqawwtb.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/libgit2-sys-196d57f82602b52b/out/lib" "-L" "/opt/crater/target/debug/build/curl-sys-500fe2e41343f11c/out/lib" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/crater/target/debug/build/libssh2-sys-33945d003753f04e/out/lib" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libregex-e2318bc6c03d5848.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-d85c6801fd7a4fbb.rlib" "/opt/crater/target/debug/deps/libregex_syntax-c0725748a5019df0.rlib" "/opt/crater/target/debug/deps/libthread_local-208bb47584b79f1d.rlib" "/opt/crater/target/debug/deps/libunreachable-374972d11d7ce0a4.rlib" "/opt/crater/target/debug/deps/libvoid-b4a3c83e92a11249.rlib" "/opt/crater/target/debug/deps/libthread_id-dc374a1fd883f096.rlib" "/opt/crater/target/debug/deps/libaho_corasick-3cceaca23fe2f232.rlib" "/opt/crater/target/debug/deps/libmemchr-4436ac1d3a412c19.rlib" "/opt/crater/target/debug/deps/libpbr-1354d0257b00c0d3.rlib" "/opt/crater/target/debug/deps/libitertools-71b6ed2fd28e25a5.rlib" "/opt/crater/target/debug/deps/libeither-c61651ab671b0f1f.rlib" "/opt/crater/target/debug/deps/libgit2-3f74ff34e07eda56.rlib" "/opt/crater/target/debug/deps/libopenssl_probe-c0bde0ac70e2a716.rlib" "/opt/crater/target/debug/deps/liblibgit2_sys-6367fc2b3bc805b1.rlib" "/opt/crater/target/debug/deps/libcurl_sys-068faa739e2f528e.rlib" "/opt/crater/target/debug/deps/liblibssh2_sys-c60bdc8c6a3b0d51.rlib" "/opt/crater/target/debug/deps/libopenssl_sys-e05b4dbe61121f19.rlib" "/opt/crater/target/debug/deps/liblibz_sys-ec9aa21a1ac28f1f.rlib" "/opt/crater/target/debug/deps/liburl-e7622b15a9947319.rlib" "/opt/crater/target/debug/deps/libidna-98460bce92034052.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-84bc8587c5986c11.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-d724683b8e13721c.rlib" "/opt/crater/target/debug/deps/libmatches-b41f009379eec519.rlib" "/opt/crater/target/debug/deps/liberror_chain-23a4dcc9b851740d.rlib" "/opt/crater/target/debug/deps/libbacktrace-a6b347f6883c3b54.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-4224ee8affc589c4.rlib" "/opt/crater/target/debug/deps/librustc_demangle-7e1e84fc0d2949f5.rlib" "/opt/crater/target/debug/deps/libcfg_if-e3a657be82e73c34.rlib" "/opt/crater/target/debug/deps/libdbghelp-610e6a484d3f70b3.rlib" "/opt/crater/target/debug/deps/libwinapi-387a29eb28388c06.rlib" "/opt/crater/target/debug/deps/libkernel32-f16f9b42bdd87fed.rlib" "/opt/crater/target/debug/deps/libclap-9d4fdb5b946bb1b8.rlib" "/opt/crater/target/debug/deps/libunicode_segmentation-75792a1cc0a1545a.rlib" "/opt/crater/target/debug/deps/libterm_size-9d569d034d1dab9b.rlib" "/opt/crater/target/debug/deps/libvec_map-4703094ead6324b7.rlib" "/opt/crater/target/debug/deps/libbitflags-e424d0a7dda42873.rlib" "/opt/crater/target/debug/deps/libunicode_width-8149a799fe7f4a20.rlib" "/opt/crater/target/debug/deps/libansi_term-fcb9211d64d6a652.rlib" "/opt/crater/target/debug/deps/libstrsim-ded59fc8f8e0b320.rlib" "/opt/crater/target/debug/deps/libchrono-27e8011cfad02866.rlib" "/opt/crater/target/debug/deps/libnum-a743746b2b7523db.rlib" "/opt/crater/target/debug/deps/libnum_iter-7d98a21e517a65d0.rlib" "/opt/crater/target/debug/deps/libnum_integer-8a09fe7937dd25b9.rlib" "/opt/crater/target/debug/deps/libnum_traits-45b07fd770ac50a5.rlib" "/opt/crater/target/debug/deps/libtime-d4e50dee6c973c63.rlib" "/opt/crater/target/debug/deps/liblibc-1466dc2378834e22.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.rlib" "-Wl,-Bdynamic" "-lssl" "-lcrypto" "-lz" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/libbacktrace-a6b347f6883c3b54.rlib(backtrace-a6b347f6883c3b54.backtrace.7ulqkyv4-cgu.4.rcgu.o): In function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:156: undefined reference to `backtrace_create_state'
[INFO] [stderr]           /opt/crater/target/debug/deps/libbacktrace-a6b347f6883c3b54.rlib(backtrace-a6b347f6883c3b54.backtrace.7ulqkyv4-cgu.4.rcgu.o): In function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:173: undefined reference to `backtrace_pcinfo'
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:177: undefined reference to `backtrace_syminfo'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `abes-axe`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "84f6617d7ad689b8910cec3969bd831766f4c60ac8d633e26656d785bd9d01a9"`
[INFO] running `"docker" "rm" "-f" "84f6617d7ad689b8910cec3969bd831766f4c60ac8d633e26656d785bd9d01a9"`
[INFO] [stdout] 84f6617d7ad689b8910cec3969bd831766f4c60ac8d633e26656d785bd9d01a9