[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-1.38-1/sources/1.37.0/gh/bnbeckwith/abes-axe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bnbeckwith/abes-axe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bnbeckwith/abes-axe" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bnbeckwith/abes-axe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bnbeckwith/abes-axe on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bnbeckwith/abes-axe against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1e5351ba46f7dcc7bc276e7b60e11c868966dd1f47089330e5d300b5f081850e
[INFO] running `"docker" "start" "-a" "1e5351ba46f7dcc7bc276e7b60e11c868966dd1f47089330e5d300b5f081850e"`
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling either v1.0.2
[INFO] [stderr]    Compiling openssl-probe v0.1.0
[INFO] [stderr]    Compiling cmake v0.1.19
[INFO] [stderr]    Compiling openssl-sys v0.9.2
[INFO] [stderr]    Compiling curl-sys v0.3.5
[INFO] [stderr]    Compiling unicode-bidi v0.2.3
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling itertools v0.5.8
[INFO] [stderr]    Compiling aho-corasick v0.6.1
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.4
[INFO] [stderr]    Compiling libgit2-sys v0.6.5
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling pbr v1.0.0
[INFO] [stderr]    Compiling chrono v0.2.25
[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-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.abes_axe.4orcj43t-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.abes_axe.4orcj43t-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.abes_axe.4orcj43t-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.abes_axe.4orcj43t-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.abes_axe.4orcj43t-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.abes_axe.4orcj43t-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.abes_axe.4orcj43t-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.abes_axe.4orcj43t-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.abes_axe.4orcj43t-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.abes_axe.4orcj43t-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.abes_axe.4orcj43t-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.abes_axe.4orcj43t-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.abes_axe.4orcj43t-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.abes_axe.4orcj43t-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.abes_axe.4orcj43t-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.abes_axe.4orcj43t-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07" "/opt/crater/target/debug/deps/abes_axe-b9108d1aad9cda07.1ho3igg0ovak5vp2.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-c51b6948cbd505fb/out/lib" "-L" "/opt/crater/target/debug/build/curl-sys-608c04ab16e8189c/out/lib" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/crater/target/debug/build/libssh2-sys-7f4f6fba079baeca/out/lib" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libregex-0d57252e8a4fa5ee.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-09a6e1d8631730f6.rlib" "/opt/crater/target/debug/deps/libregex_syntax-ff10189106dfac56.rlib" "/opt/crater/target/debug/deps/libthread_local-e8db20c67a58f66d.rlib" "/opt/crater/target/debug/deps/libunreachable-50f2ecea0581636d.rlib" "/opt/crater/target/debug/deps/libvoid-4fb26e3b0cb57bde.rlib" "/opt/crater/target/debug/deps/libthread_id-346dc560a00f9612.rlib" "/opt/crater/target/debug/deps/libaho_corasick-faee067e46754eaf.rlib" "/opt/crater/target/debug/deps/libmemchr-a2b6a0ff14ad1d16.rlib" "/opt/crater/target/debug/deps/libpbr-f05d435672c79b29.rlib" "/opt/crater/target/debug/deps/libitertools-aeb972167a8670bc.rlib" "/opt/crater/target/debug/deps/libeither-9f05b2f4dbe92730.rlib" "/opt/crater/target/debug/deps/libgit2-d93ef6c87fada5da.rlib" "/opt/crater/target/debug/deps/libopenssl_probe-d25b1f19eaacde90.rlib" "/opt/crater/target/debug/deps/liblibgit2_sys-acfccf95a8a80e37.rlib" "/opt/crater/target/debug/deps/libcurl_sys-6e90df41f16c4680.rlib" "/opt/crater/target/debug/deps/liblibssh2_sys-b25886de00d87c2a.rlib" "/opt/crater/target/debug/deps/libopenssl_sys-1bcc5bb8a35e78e1.rlib" "/opt/crater/target/debug/deps/liblibz_sys-33a5e700e486271f.rlib" "/opt/crater/target/debug/deps/liburl-e9372b87610f197d.rlib" "/opt/crater/target/debug/deps/libidna-b94a859f93d438b7.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-659021e4f5243ba0.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-64e41c1c4cc1963b.rlib" "/opt/crater/target/debug/deps/libmatches-2348311bd9b60c72.rlib" "/opt/crater/target/debug/deps/liberror_chain-ff4157eeac9412e4.rlib" "/opt/crater/target/debug/deps/libbacktrace-5a3400462a997925.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-31eeedc36fbb7d83.rlib" "/opt/crater/target/debug/deps/librustc_demangle-a63e03c53d847d30.rlib" "/opt/crater/target/debug/deps/libcfg_if-e594ac7fa20b1aa3.rlib" "/opt/crater/target/debug/deps/libdbghelp-d860676abe2fb31b.rlib" "/opt/crater/target/debug/deps/libwinapi-be47d272a993a950.rlib" "/opt/crater/target/debug/deps/libkernel32-ed10b6f453a27092.rlib" "/opt/crater/target/debug/deps/libclap-f52b65f9c6bea7ab.rlib" "/opt/crater/target/debug/deps/libunicode_segmentation-bafce28bce92cb4a.rlib" "/opt/crater/target/debug/deps/libterm_size-7e8000f144bab3b5.rlib" "/opt/crater/target/debug/deps/libvec_map-4bfc68e930684ad8.rlib" "/opt/crater/target/debug/deps/libbitflags-b03ee8d07369378c.rlib" "/opt/crater/target/debug/deps/libunicode_width-1c4ca2f2e6b1fb29.rlib" "/opt/crater/target/debug/deps/libansi_term-96a43f38fb74107f.rlib" "/opt/crater/target/debug/deps/libstrsim-4ec6f9fa4bef3e43.rlib" "/opt/crater/target/debug/deps/libchrono-665a7a0112a71d9d.rlib" "/opt/crater/target/debug/deps/libnum-21583d9e0585b1d1.rlib" "/opt/crater/target/debug/deps/libnum_iter-0c80d544ba1f8bd7.rlib" "/opt/crater/target/debug/deps/libnum_integer-4739295d8bcfef2e.rlib" "/opt/crater/target/debug/deps/libnum_traits-cf072775152a8823.rlib" "/opt/crater/target/debug/deps/libtime-d8882fbf4a52e179.rlib" "/opt/crater/target/debug/deps/liblibc-a442291025725117.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.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-5a3400462a997925.rlib(backtrace-5a3400462a997925.backtrace.asa9r22v-cgu.6.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-5a3400462a997925.rlib(backtrace-5a3400462a997925.backtrace.asa9r22v-cgu.6.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" "1e5351ba46f7dcc7bc276e7b60e11c868966dd1f47089330e5d300b5f081850e"`
[INFO] running `"docker" "rm" "-f" "1e5351ba46f7dcc7bc276e7b60e11c868966dd1f47089330e5d300b5f081850e"`
[INFO] [stdout] 1e5351ba46f7dcc7bc276e7b60e11c868966dd1f47089330e5d300b5f081850e