[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 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f9bf008962d6bcb170fffb4f7cd2fad7df82cb5c7c543af6e6a415b42de5eae9
[INFO] running `"docker" "start" "-a" "f9bf008962d6bcb170fffb4f7cd2fad7df82cb5c7c543af6e6a415b42de5eae9"`
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]    Compiling openssl-probe v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling either v1.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.2
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling itertools v0.5.8
[INFO] [stderr]    Compiling clap v2.19.2
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling aho-corasick v0.6.1
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling libz-sys v1.0.7
[INFO] [stderr]    Compiling cmake v0.1.19
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling curl-sys v0.3.5
[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 backtrace v0.3.0
[INFO] [stderr]    Compiling error-chain v0.7.1
[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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.abes_axe.1ufwg597-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.abes_axe.1ufwg597-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.abes_axe.1ufwg597-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.abes_axe.1ufwg597-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.abes_axe.1ufwg597-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.abes_axe.1ufwg597-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.abes_axe.1ufwg597-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.abes_axe.1ufwg597-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.abes_axe.1ufwg597-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.abes_axe.1ufwg597-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.abes_axe.1ufwg597-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.abes_axe.1ufwg597-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.abes_axe.1ufwg597-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.abes_axe.1ufwg597-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.abes_axe.1ufwg597-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.abes_axe.1ufwg597-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282" "/opt/crater/target/debug/deps/abes_axe-d9fea882184d2282.1zya5awx3llgq3ps.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-ddb2c6f7ce00db21/out/lib" "-L" "/opt/crater/target/debug/build/curl-sys-fc00f5df4818e9e4/out/lib" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/crater/target/debug/build/libssh2-sys-a2afb9dfdf69fd49/out/lib" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libregex-9157b0ee58384d6e.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-92eef759f8fa2727.rlib" "/opt/crater/target/debug/deps/libregex_syntax-176224d481243038.rlib" "/opt/crater/target/debug/deps/libthread_local-7f6aeb47705aed5a.rlib" "/opt/crater/target/debug/deps/libunreachable-0e59f709d2757188.rlib" "/opt/crater/target/debug/deps/libvoid-d4bd79b68b9b921e.rlib" "/opt/crater/target/debug/deps/libthread_id-48bcd36ded228643.rlib" "/opt/crater/target/debug/deps/libaho_corasick-6cc3918487304dd0.rlib" "/opt/crater/target/debug/deps/libmemchr-8de0eb57579baf3e.rlib" "/opt/crater/target/debug/deps/libpbr-6560976120497403.rlib" "/opt/crater/target/debug/deps/libitertools-82727110105c830b.rlib" "/opt/crater/target/debug/deps/libeither-294995847f8fe5af.rlib" "/opt/crater/target/debug/deps/libgit2-34cced5176cdd28a.rlib" "/opt/crater/target/debug/deps/libopenssl_probe-05266373b823ce06.rlib" "/opt/crater/target/debug/deps/liblibgit2_sys-ae389427bd316941.rlib" "/opt/crater/target/debug/deps/libcurl_sys-9c3bc8db22524601.rlib" "/opt/crater/target/debug/deps/liblibssh2_sys-08342f64df72a1d1.rlib" "/opt/crater/target/debug/deps/libopenssl_sys-457c6b3b758d4127.rlib" "/opt/crater/target/debug/deps/liblibz_sys-bb8729c1de3b7a6b.rlib" "/opt/crater/target/debug/deps/liburl-dcff05ce30462d20.rlib" "/opt/crater/target/debug/deps/libidna-ee0199d224e99947.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-6a2176b4dd2afb30.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-37d18bdacf2634e0.rlib" "/opt/crater/target/debug/deps/libmatches-f35061b215c2511f.rlib" "/opt/crater/target/debug/deps/liberror_chain-d354b0e9fe49b732.rlib" "/opt/crater/target/debug/deps/libbacktrace-17101a8b6e085880.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-d74a633e2f14ed79.rlib" "/opt/crater/target/debug/deps/librustc_demangle-550740f22608ec8c.rlib" "/opt/crater/target/debug/deps/libcfg_if-55146e185022d321.rlib" "/opt/crater/target/debug/deps/libdbghelp-94ab056f98c942bf.rlib" "/opt/crater/target/debug/deps/libwinapi-d699aca12e7b19a5.rlib" "/opt/crater/target/debug/deps/libkernel32-68d3558eb82f9807.rlib" "/opt/crater/target/debug/deps/libclap-5bea51ed353329ce.rlib" "/opt/crater/target/debug/deps/libunicode_segmentation-03cae7d90269f722.rlib" "/opt/crater/target/debug/deps/libterm_size-ee1a97d255a337fa.rlib" "/opt/crater/target/debug/deps/libvec_map-0b8971ea3fda61c2.rlib" "/opt/crater/target/debug/deps/libbitflags-05fa20c47058c1db.rlib" "/opt/crater/target/debug/deps/libunicode_width-d3bad1cbcc859421.rlib" "/opt/crater/target/debug/deps/libansi_term-5ad2ac4f1272cbf6.rlib" "/opt/crater/target/debug/deps/libstrsim-25c4e5da740a9e30.rlib" "/opt/crater/target/debug/deps/libchrono-23729856c1ee0d86.rlib" "/opt/crater/target/debug/deps/libnum-0ca91df03a24dd10.rlib" "/opt/crater/target/debug/deps/libnum_iter-b7c7094018b9b4e5.rlib" "/opt/crater/target/debug/deps/libnum_integer-1bb350ebdb52db08.rlib" "/opt/crater/target/debug/deps/libnum_traits-0b49cd367c6da4a1.rlib" "/opt/crater/target/debug/deps/libtime-2e68d24b63f6d553.rlib" "/opt/crater/target/debug/deps/liblibc-e7a8e468d1534af4.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.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-17101a8b6e085880.rlib(backtrace-17101a8b6e085880.backtrace.bcbp6rlv-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-17101a8b6e085880.rlib(backtrace-17101a8b6e085880.backtrace.bcbp6rlv-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" "f9bf008962d6bcb170fffb4f7cd2fad7df82cb5c7c543af6e6a415b42de5eae9"`
[INFO] running `"docker" "rm" "-f" "f9bf008962d6bcb170fffb4f7cd2fad7df82cb5c7c543af6e6a415b42de5eae9"`
[INFO] [stdout] f9bf008962d6bcb170fffb4f7cd2fad7df82cb5c7c543af6e6a415b42de5eae9