[INFO] cloning repository https://github.com/cdown/mack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cdown/mack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdown%2Fmack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdown%2Fmack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccbedbe899730519f73aa42acc8f792515df6cfa
[INFO] testing cdown/mack against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdown%2Fmack" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cdown/mack on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] crate git repo https://github.com/cdown/mack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a87243d3cb3e194c6e312380a704668e0cf7926243507537eccfd1e2e79f0a42
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a87243d3cb3e194c6e312380a704668e0cf7926243507537eccfd1e2e79f0a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a87243d3cb3e194c6e312380a704668e0cf7926243507537eccfd1e2e79f0a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87243d3cb3e194c6e312380a704668e0cf7926243507537eccfd1e2e79f0a42", kill_on_drop: false }`
[INFO] [stdout] a87243d3cb3e194c6e312380a704668e0cf7926243507537eccfd1e2e79f0a42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 624f22d341acfae2e4704662a0fb2317d318764f5b419ce18885e901acb67735
[INFO] running `Command { std: "docker" "start" "-a" "624f22d341acfae2e4704662a0fb2317d318764f5b419ce18885e901acb67735", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling taglib-sys v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling taglib v1.0.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling mack v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.mack.54vy3c29-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.mack.54vy3c29-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.mack.54vy3c29-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.mack.54vy3c29-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.mack.54vy3c29-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.mack.54vy3c29-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.mack.54vy3c29-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.mack.54vy3c29-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.mack.54vy3c29-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.mack.54vy3c29-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.mack.54vy3c29-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.mack.54vy3c29-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.mack.54vy3c29-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.mack.54vy3c29-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.mack.54vy3c29-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.mack.54vy3c29-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26" "/opt/rustwide/target/debug/deps/mack-9603721b87a39e26.6z7loguqok094pz.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtaglib-d1c3b9cfe1c99ed0.rlib" "/opt/rustwide/target/debug/deps/libtaglib_sys-bcdab5e6b049aed4.rlib" "/opt/rustwide/target/debug/deps/libregex-b9b17fdbe59f9153.rlib" "/opt/rustwide/target/debug/deps/libthread_local-b2a88e4d32219c25.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-e013c2377898b835.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-daf95ed1088a5543.rlib" "/opt/rustwide/target/debug/deps/libmemchr-d49ac1e01d7c87e9.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-bf21cfb31a9e28ca.rlib" "/opt/rustwide/target/debug/deps/libwalkdir-cbb4f9c1da2f991c.rlib" "/opt/rustwide/target/debug/deps/libsame_file-55d9e4e23e414bb7.rlib" "/opt/rustwide/target/debug/deps/libclap-4d0641d2b112ead4.rlib" "/opt/rustwide/target/debug/deps/libvec_map-39e18969c02a5a20.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-2ae0fc66a2be9cbd.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-e48abc2933969712.rlib" "/opt/rustwide/target/debug/deps/libstrsim-b4c20f59be0036a3.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e8b42ad6d332332e.rlib" "/opt/rustwide/target/debug/deps/libatty-bb367409153fd7d3.rlib" "/opt/rustwide/target/debug/deps/liblibc-48d629371018240f.rlib" "/opt/rustwide/target/debug/deps/libansi_term-aefa377f3787504e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-ltag_c" "-ltag" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -ltag_c
[INFO] [stdout]           /usr/bin/ld: cannot find -ltag
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mack`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "624f22d341acfae2e4704662a0fb2317d318764f5b419ce18885e901acb67735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "624f22d341acfae2e4704662a0fb2317d318764f5b419ce18885e901acb67735", kill_on_drop: false }`
[INFO] [stdout] 624f22d341acfae2e4704662a0fb2317d318764f5b419ce18885e901acb67735
