[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 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 96f8174c0b7426b98b2c0e34c42be3f3a8b85a2785bf142e889a6b85aa972aab
[INFO] running `"docker" "start" "-a" "96f8174c0b7426b98b2c0e34c42be3f3a8b85a2785bf142e889a6b85aa972aab"`
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling openssl-probe v0.1.0
[INFO] [stderr]    Compiling either v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.2.3
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling itertools v0.5.8
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling clap v2.19.2
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.6.1
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling openssl-sys v0.9.2
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling num v0.1.36
[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 backtrace-sys v0.1.5
[INFO] [stderr]    Compiling curl-sys v0.3.5
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.4
[INFO] [stderr]    Compiling libgit2-sys v0.6.5
[INFO] [stderr]    Compiling pbr v1.0.0
[INFO] [stderr]    Compiling chrono v0.2.25
[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] 
[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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.abes_axe.e0aih01l-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.abes_axe.e0aih01l-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.abes_axe.e0aih01l-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.abes_axe.e0aih01l-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.abes_axe.e0aih01l-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.abes_axe.e0aih01l-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.abes_axe.e0aih01l-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.abes_axe.e0aih01l-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.abes_axe.e0aih01l-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.abes_axe.e0aih01l-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.abes_axe.e0aih01l-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.abes_axe.e0aih01l-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.abes_axe.e0aih01l-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.abes_axe.e0aih01l-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.abes_axe.e0aih01l-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.abes_axe.e0aih01l-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed" "/opt/crater/target/debug/deps/abes_axe-6af81cba9dad62ed.pn40uomhhfuf5jw.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-4cd8b3a1416907ce/out/lib" "-L" "/opt/crater/target/debug/build/curl-sys-3a74801811232c55/out/lib" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/crater/target/debug/build/libssh2-sys-47942611af16e4bc/out/lib" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libregex-ac32b25a1ec4ce3c.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-0b3ff6a95d018017.rlib" "/opt/crater/target/debug/deps/libregex_syntax-d65dc6190568df5c.rlib" "/opt/crater/target/debug/deps/libthread_local-65bd1cabac7c8e0d.rlib" "/opt/crater/target/debug/deps/libunreachable-2017a4cad4d1cf08.rlib" "/opt/crater/target/debug/deps/libvoid-e4249880315f5034.rlib" "/opt/crater/target/debug/deps/libthread_id-ebfaec5ce032c93e.rlib" "/opt/crater/target/debug/deps/libaho_corasick-bdc02262cb2119c7.rlib" "/opt/crater/target/debug/deps/libmemchr-4067d91f352ca923.rlib" "/opt/crater/target/debug/deps/libpbr-739931fed61171b1.rlib" "/opt/crater/target/debug/deps/libitertools-7b31b823ddb4dbc1.rlib" "/opt/crater/target/debug/deps/libeither-90a123cfbaf7e94c.rlib" "/opt/crater/target/debug/deps/libgit2-8867d4605b9131c8.rlib" "/opt/crater/target/debug/deps/libopenssl_probe-ade8d0cd55e926bd.rlib" "/opt/crater/target/debug/deps/liblibgit2_sys-664fb89e689ac5ea.rlib" "/opt/crater/target/debug/deps/libcurl_sys-ab95ab619a7c23d2.rlib" "/opt/crater/target/debug/deps/liblibssh2_sys-454e6e534dbdaad6.rlib" "/opt/crater/target/debug/deps/libopenssl_sys-698c4f770f3c949e.rlib" "/opt/crater/target/debug/deps/liblibz_sys-d270c6645ba1b5eb.rlib" "/opt/crater/target/debug/deps/liburl-6ed03b5b5791cc15.rlib" "/opt/crater/target/debug/deps/libidna-5dbc2824d38c2cef.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-e61083bc8a40ac7d.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-f5cc1958261f481d.rlib" "/opt/crater/target/debug/deps/libmatches-3f07721d4e47c77b.rlib" "/opt/crater/target/debug/deps/liberror_chain-e4e73fa50fe73714.rlib" "/opt/crater/target/debug/deps/libbacktrace-bedfb41c1815ce3c.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-44a21dc39612b7f6.rlib" "/opt/crater/target/debug/deps/librustc_demangle-274c4da954efaa0a.rlib" "/opt/crater/target/debug/deps/libcfg_if-fcc9aff037f57c39.rlib" "/opt/crater/target/debug/deps/libdbghelp-4c5eeff50cd0cc4c.rlib" "/opt/crater/target/debug/deps/libwinapi-6779d1f046ce211b.rlib" "/opt/crater/target/debug/deps/libkernel32-579101ee9cfddddd.rlib" "/opt/crater/target/debug/deps/libclap-9b2cd1c42f850f0d.rlib" "/opt/crater/target/debug/deps/libunicode_segmentation-2132bb3067fed94a.rlib" "/opt/crater/target/debug/deps/libterm_size-852c783250ec9d09.rlib" "/opt/crater/target/debug/deps/libvec_map-ef49b491a2aa4b7d.rlib" "/opt/crater/target/debug/deps/libbitflags-df219a1ec24cdf3b.rlib" "/opt/crater/target/debug/deps/libunicode_width-fd9e29b5613c5dc5.rlib" "/opt/crater/target/debug/deps/libansi_term-334ed51196badc8f.rlib" "/opt/crater/target/debug/deps/libstrsim-c50301fc79c38a31.rlib" "/opt/crater/target/debug/deps/libchrono-1f080a73593bb583.rlib" "/opt/crater/target/debug/deps/libnum-10f90ea37a106ae2.rlib" "/opt/crater/target/debug/deps/libnum_iter-0f89e24b063e10a9.rlib" "/opt/crater/target/debug/deps/libnum_integer-04eeb9b5654fb2cc.rlib" "/opt/crater/target/debug/deps/libnum_traits-5f46d2a51c998e26.rlib" "/opt/crater/target/debug/deps/libtime-dce1fad28286ed01.rlib" "/opt/crater/target/debug/deps/liblibc-e444f8f33bb3c635.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.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-bedfb41c1815ce3c.rlib(backtrace-bedfb41c1815ce3c.backtrace.3bnztzzb-cgu.5.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-bedfb41c1815ce3c.rlib(backtrace-bedfb41c1815ce3c.backtrace.3bnztzzb-cgu.5.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" "96f8174c0b7426b98b2c0e34c42be3f3a8b85a2785bf142e889a6b85aa972aab"`
[INFO] running `"docker" "rm" "-f" "96f8174c0b7426b98b2c0e34c42be3f3a8b85a2785bf142e889a6b85aa972aab"`
[INFO] [stdout] 96f8174c0b7426b98b2c0e34c42be3f3a8b85a2785bf142e889a6b85aa972aab