[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/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/milesrout/ch"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/milesrout/ch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/milesrout/ch" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/milesrout/ch"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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 master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of milesrout/ch on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "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/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/milesrout/ch/Cargo.toml
[INFO] crate milesrout/ch has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing milesrout/ch against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] d2509e126eade1c483c2aa5408833ee3b7d5889d400a9df313b5870a29b1cf1a
[INFO] running `"docker" "start" "-a" "d2509e126eade1c483c2aa5408833ee3b7d5889d400a9df313b5870a29b1cf1a"`
[INFO] [stderr]    Compiling either v1.0.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling itertools v0.5.5
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling ch v0.1.0 (/opt/crater/workdir)
[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/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.ch.8wiy89qf-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.ch.8wiy89qf-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.ch.8wiy89qf-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.ch.8wiy89qf-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.ch.8wiy89qf-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.ch.8wiy89qf-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.ch.8wiy89qf-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.ch.8wiy89qf-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.ch.8wiy89qf-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.ch.8wiy89qf-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.ch.8wiy89qf-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.ch.8wiy89qf-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.ch.8wiy89qf-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.ch.8wiy89qf-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.ch.8wiy89qf-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.ch.8wiy89qf-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6" "/opt/crater/target/debug/deps/ch-f34fab0d434ba3e6.1zrug48uc24s7q8z.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libregex-b338243fc957247b.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-ad1dc04e0493bd3b.rlib" "/opt/crater/target/debug/deps/libregex_syntax-a441907bce371315.rlib" "/opt/crater/target/debug/deps/libthread_local-04688b18fff73c12.rlib" "/opt/crater/target/debug/deps/libthread_id-c83461a8d22b2d2e.rlib" "/opt/crater/target/debug/deps/libaho_corasick-568da6c0272c48cd.rlib" "/opt/crater/target/debug/deps/libmemchr-708c76b5a3625494.rlib" "/opt/crater/target/debug/deps/libitertools-ae18702904e7f0dd.rlib" "/opt/crater/target/debug/deps/libeither-6aaab6616acb77f3.rlib" "/opt/crater/target/debug/deps/libbacktrace-3c34a29d141e8c62.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-d92a675a37f0d83f.rlib" "/opt/crater/target/debug/deps/librustc_demangle-bedd9530c131cc28.rlib" "/opt/crater/target/debug/deps/libcfg_if-093b3a73669c0adf.rlib" "/opt/crater/target/debug/deps/libdbghelp-b3513b10232833cd.rlib" "/opt/crater/target/debug/deps/libwinapi-7dff080b6462bfe0.rlib" "/opt/crater/target/debug/deps/libkernel32-9b717afd956943fe.rlib" "/opt/crater/target/debug/deps/liblibc-7d34013f2ad77983.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8469d768695d9748.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-786c0f406992159b.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-eda54ffd3e6402cc.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3b59adbc83c396a4.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-1d2bb09f4dcbd4be.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e96acda46b77a2fd.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-596074f575b1f832.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57f280c1596673cd.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-16132b5b2ecf9ec1.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-37286a0a9c4289ff.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/libbacktrace-3c34a29d141e8c62.rlib(backtrace-3c34a29d141e8c62.backtrace.dx93otrw-cgu.12.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-3c34a29d141e8c62.rlib(backtrace-3c34a29d141e8c62.backtrace.dx93otrw-cgu.12.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" "d2509e126eade1c483c2aa5408833ee3b7d5889d400a9df313b5870a29b1cf1a"`
[INFO] running `"docker" "rm" "-f" "d2509e126eade1c483c2aa5408833ee3b7d5889d400a9df313b5870a29b1cf1a"`
[INFO] [stdout] d2509e126eade1c483c2aa5408833ee3b7d5889d400a9df313b5870a29b1cf1a