[INFO] updating cached repository milesrout/ch
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/milesrout/ch
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/milesrout/ch" "work/ex/beta-1.37-6/sources/1.36.0/gh/milesrout/ch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/milesrout/ch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/milesrout/ch" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/milesrout/ch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/milesrout/ch'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 69e2a86e86defa4845b5dc51954afca341bd66c2
[INFO] sha for GitHub repo milesrout/ch: 69e2a86e86defa4845b5dc51954afca341bd66c2
[INFO] validating manifest of milesrout/ch 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 milesrout/ch 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 milesrout/ch
[INFO] finished frobbing milesrout/ch
[INFO] frobbed toml for milesrout/ch written to work/ex/beta-1.37-6/sources/1.36.0/gh/milesrout/ch/Cargo.toml
[INFO] started frobbing milesrout/ch
[INFO] finished frobbing milesrout/ch
[INFO] frobbed toml for milesrout/ch written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/milesrout/ch/Cargo.toml
[INFO] crate milesrout/ch 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 milesrout/ch 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/milesrout/ch:/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] 7914a266a431656629fc47adec08c88851174acf6c140d256914f5a339265ed6
[INFO] running `"docker" "start" "-a" "7914a266a431656629fc47adec08c88851174acf6c140d256914f5a339265ed6"`
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]    Compiling either v1.0.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling itertools v0.5.5
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling ch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer.rs:325:48
[INFO] [stderr]     |
[INFO] [stderr] 325 |             &Error::Regex(ref err) => (err as &error::Error).description(),
[INFO] [stderr]     |                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_expr`
[INFO] [stderr]    --> src/parser.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn parse_expr(&mut self) -> Result<Expr> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] 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/ch-77e4ae27a2248631.ch.9ewosrsx-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631.ch.9ewosrsx-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631.ch.9ewosrsx-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631.ch.9ewosrsx-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631.ch.9ewosrsx-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631.ch.9ewosrsx-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631.ch.9ewosrsx-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631.ch.9ewosrsx-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631.ch.9ewosrsx-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631.ch.9ewosrsx-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631.ch.9ewosrsx-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631.ch.9ewosrsx-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631.ch.9ewosrsx-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631.ch.9ewosrsx-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631.ch.9ewosrsx-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631.ch.9ewosrsx-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631" "/opt/crater/target/debug/deps/ch-77e4ae27a2248631.3xf7zisctlh0xj8r.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-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-8e44176c15e1175c.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-02a9ee482eb041c6.rlib" "/opt/crater/target/debug/deps/libregex_syntax-a5eed8ba2f170ebb.rlib" "/opt/crater/target/debug/deps/libthread_local-d068130ebd76ebcc.rlib" "/opt/crater/target/debug/deps/libthread_id-2ebe44094f195106.rlib" "/opt/crater/target/debug/deps/libaho_corasick-26983b844d758bb2.rlib" "/opt/crater/target/debug/deps/libmemchr-f1c30f697aecc336.rlib" "/opt/crater/target/debug/deps/libitertools-7c549547d2fd2563.rlib" "/opt/crater/target/debug/deps/libeither-5f0e6ed5aa88128d.rlib" "/opt/crater/target/debug/deps/libbacktrace-b83f5494fcfae06e.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-2ed16ca5806dd33e.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/liblibc-ed59f4b459bd5167.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" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/libbacktrace-b83f5494fcfae06e.rlib(backtrace-b83f5494fcfae06e.backtrace.5z319fnl-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-b83f5494fcfae06e.rlib(backtrace-b83f5494fcfae06e.backtrace.5z319fnl-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 `ch`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7914a266a431656629fc47adec08c88851174acf6c140d256914f5a339265ed6"`
[INFO] running `"docker" "rm" "-f" "7914a266a431656629fc47adec08c88851174acf6c140d256914f5a339265ed6"`
[INFO] [stdout] 7914a266a431656629fc47adec08c88851174acf6c140d256914f5a339265ed6