[INFO] updating cached repository https://github.com/cdown/mack
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dd67d54039c892bc555e390ae17b1f0363505cbd
[INFO] testing cdown/mack against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdown%2Fmack" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cdown/mack on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cdown/mack
[INFO] finished tweaking git repo https://github.com/cdown/mack
[INFO] tweaked toml for git repo https://github.com/cdown/mack written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/cdown/mack already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 71366357e16aa3254da3d770a9bfc96006909ae84d1d46ef1f5cf3ed17fb6dde
[INFO] running `"docker" "start" "-a" "71366357e16aa3254da3d770a9bfc96006909ae84d1d46ef1f5cf3ed17fb6dde"`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling taglib-sys v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling taglib v1.0.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling mack v0.3.0 (/opt/rustwide/workdir)
[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/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.mack.1m59l8qp-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.mack.1m59l8qp-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.mack.1m59l8qp-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.mack.1m59l8qp-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.mack.1m59l8qp-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.mack.1m59l8qp-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.mack.1m59l8qp-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.mack.1m59l8qp-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.mack.1m59l8qp-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.mack.1m59l8qp-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.mack.1m59l8qp-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.mack.1m59l8qp-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.mack.1m59l8qp-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.mack.1m59l8qp-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.mack.1m59l8qp-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.mack.1m59l8qp-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69" "/opt/rustwide/target/debug/deps/mack-4e5c641ec53f9c69.2y0iq0ba04c71zlc.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtaglib-6d5bfaeef83a3055.rlib" "/opt/rustwide/target/debug/deps/libtaglib_sys-a59164fa584171b1.rlib" "/opt/rustwide/target/debug/deps/libregex-2342ad933c6ad3ca.rlib" "/opt/rustwide/target/debug/deps/libthread_local-54c5a590687748e9.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-79f4ad29dbfe489f.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-751b3299b3c0f8d6.rlib" "/opt/rustwide/target/debug/deps/libmemchr-4e94a8a5927748db.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-81e71b56f2a8a8f3.rlib" "/opt/rustwide/target/debug/deps/libwalkdir-72da9a8ab491a060.rlib" "/opt/rustwide/target/debug/deps/libsame_file-16194a59b4bcd3b0.rlib" "/opt/rustwide/target/debug/deps/libclap-92a249967a714e0f.rlib" "/opt/rustwide/target/debug/deps/libvec_map-0124ff4ac8afcced.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-4bd7a20ff86ce273.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-06d7a0793e9ca709.rlib" "/opt/rustwide/target/debug/deps/libstrsim-b32b1c93e6d2d890.rlib" "/opt/rustwide/target/debug/deps/libbitflags-c5180c3dc5cc8193.rlib" "/opt/rustwide/target/debug/deps/libatty-59b9aa941820d4f5.rlib" "/opt/rustwide/target/debug/deps/liblibc-c2725012b0cfd464.rlib" "/opt/rustwide/target/debug/deps/libansi_term-0d3bacace01cab89.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1dac1a412c98f50d.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-b7841fd014bf83a1.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-338c0763450dca22.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5f2e5d11836e0967.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-81a9070bd3553adf.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-e297830377b95af4.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b38b87f2dd197fa0.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-601015f2e15e7e26.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-439f3a589bd88586.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-57ab7e6ac23ce11f.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3aec7f88778e912a.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-b6806800b307d4b9.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-e49d7651b12f7563.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e8266574e26adcc3.rlib" "-Wl,-Bdynamic" "-ltag_c" "-ltag" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -ltag_c
[INFO] [stderr]           /usr/bin/ld: cannot find -ltag
[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 `mack`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "71366357e16aa3254da3d770a9bfc96006909ae84d1d46ef1f5cf3ed17fb6dde"`
[INFO] running `"docker" "rm" "-f" "71366357e16aa3254da3d770a9bfc96006909ae84d1d46ef1f5cf3ed17fb6dde"`
[INFO] [stdout] 71366357e16aa3254da3d770a9bfc96006909ae84d1d46ef1f5cf3ed17fb6dde