[INFO] updating cached repository aisamanra/xargo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aisamanra/xargo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aisamanra/xargo" "work/ex/beta-1.37-6/sources/1.36.0/gh/aisamanra/xargo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/aisamanra/xargo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aisamanra/xargo" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aisamanra/xargo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aisamanra/xargo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b67abf8c1ad5e129618117715a10acf8aacadf6d
[INFO] sha for GitHub repo aisamanra/xargo: b67abf8c1ad5e129618117715a10acf8aacadf6d
[INFO] validating manifest of aisamanra/xargo 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 aisamanra/xargo 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 aisamanra/xargo
[INFO] finished frobbing aisamanra/xargo
[INFO] frobbed toml for aisamanra/xargo written to work/ex/beta-1.37-6/sources/1.36.0/gh/aisamanra/xargo/Cargo.toml
[INFO] started frobbing aisamanra/xargo
[INFO] finished frobbing aisamanra/xargo
[INFO] frobbed toml for aisamanra/xargo written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aisamanra/xargo/Cargo.toml
[INFO] crate aisamanra/xargo 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 aisamanra/xargo 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aisamanra/xargo:/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] 5b326fd91a809283c1f8612382e87e89f03216eeea51e1fcb2ba529f30ceb0c2
[INFO] running `"docker" "start" "-a" "5b326fd91a809283c1f8612382e87e89f03216eeea51e1fcb2ba529f30ceb0c2"`
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling xargo v0.3.8 (/opt/crater/workdir)
[INFO] [stderr]    Compiling serde v0.8.21
[INFO] [stderr]    Compiling walkdir v1.0.3
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling fs2 v0.4.1
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
[INFO] [stderr]  --> src/errors.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![allow(unused_doc_comment)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
[INFO] [stderr]   |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![deny(warnings)]
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/xargo.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         env::home_dir()
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/main.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: #[warn(deprecated)] implied by #[warn(warnings)]
[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/xargo-2fd53e82587f5108.xargo.9v95ush2-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108.xargo.9v95ush2-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108.xargo.9v95ush2-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108.xargo.9v95ush2-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108.xargo.9v95ush2-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108.xargo.9v95ush2-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108.xargo.9v95ush2-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108.xargo.9v95ush2-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108.xargo.9v95ush2-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108.xargo.9v95ush2-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108.xargo.9v95ush2-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108.xargo.9v95ush2-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108.xargo.9v95ush2-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108.xargo.9v95ush2-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108.xargo.9v95ush2-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108.xargo.9v95ush2-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108" "/opt/crater/target/debug/deps/xargo-2fd53e82587f5108.2ss4b5g8w463vft9.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-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/libwalkdir-45aa875363987915.rlib" "/opt/crater/target/debug/deps/libtoml-0635e4f4deaa808c.rlib" "/opt/crater/target/debug/deps/librustc_serialize-d3298b24124a3c5c.rlib" "/opt/crater/target/debug/deps/libtempdir-53fde84179df1803.rlib" "/opt/crater/target/debug/deps/librand-5d489187a9b4c21e.rlib" "/opt/crater/target/debug/deps/libserde_json-08d0a8f1b160c8fe.rlib" "/opt/crater/target/debug/deps/libdtoa-7409b9e3ab360496.rlib" "/opt/crater/target/debug/deps/libitoa-cef2a13024efa8bd.rlib" "/opt/crater/target/debug/deps/libserde-67f54d5ae24361aa.rlib" "/opt/crater/target/debug/deps/libnum_traits-5f46d2a51c998e26.rlib" "/opt/crater/target/debug/deps/librustc_version-841cd0d52ed5c81f.rlib" "/opt/crater/target/debug/deps/libsemver-488a314c624c5476.rlib" "/opt/crater/target/debug/deps/libfs2-8c23b45149b1b182.rlib" "/opt/crater/target/debug/deps/liberror_chain-319d776cbcfc43fc.rlib" "/opt/crater/target/debug/deps/libbacktrace-6ff62fd97037c2b6.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-55ec8ff3bc57da3e.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/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" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/libbacktrace-6ff62fd97037c2b6.rlib(backtrace-6ff62fd97037c2b6.backtrace.elbuc2ga-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-6ff62fd97037c2b6.rlib(backtrace-6ff62fd97037c2b6.backtrace.elbuc2ga-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 `xargo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5b326fd91a809283c1f8612382e87e89f03216eeea51e1fcb2ba529f30ceb0c2"`
[INFO] running `"docker" "rm" "-f" "5b326fd91a809283c1f8612382e87e89f03216eeea51e1fcb2ba529f30ceb0c2"`
[INFO] [stdout] 5b326fd91a809283c1f8612382e87e89f03216eeea51e1fcb2ba529f30ceb0c2