[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] c19102894520f49aa582461a1c4b10f2859592fd
[INFO] testing cdown/mack against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdown%2Fmack" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cdown/mack on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f4e10885b30fde578db240c8fc86c9900a48656f77f613433f8ae5c50b52a5d
[INFO] running `Command { std: "docker" "start" "-a" "5f4e10885b30fde578db240c8fc86c9900a48656f77f613433f8ae5c50b52a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f4e10885b30fde578db240c8fc86c9900a48656f77f613433f8ae5c50b52a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4e10885b30fde578db240c8fc86c9900a48656f77f613433f8ae5c50b52a5d", kill_on_drop: false }`
[INFO] [stdout] 5f4e10885b30fde578db240c8fc86c9900a48656f77f613433f8ae5c50b52a5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb4648f8cf797fcc04155e44b12c7d1d90f7160b722a193375da91f79bbb6191
[INFO] running `Command { std: "docker" "start" "-a" "eb4648f8cf797fcc04155e44b12c7d1d90f7160b722a193375da91f79bbb6191", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling taglib-sys v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[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 v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.mack.ca669462-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.mack.ca669462-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.mack.ca669462-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.mack.ca669462-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.mack.ca669462-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.mack.ca669462-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.mack.ca669462-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.mack.ca669462-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.mack.ca669462-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.mack.ca669462-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.mack.ca669462-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.mack.ca669462-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.mack.ca669462-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.mack.ca669462-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.mack.ca669462-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.mack.ca669462-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8.jxbp57kk4xyt7lw.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtaglib-23e3f5d99102a2e0.rlib" "/opt/rustwide/target/debug/deps/libtaglib_sys-a7ea5e0d1eb22058.rlib" "/opt/rustwide/target/debug/deps/libregex-54e9c9319cf93999.rlib" "/opt/rustwide/target/debug/deps/libthread_local-2691e1649196a294.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-0df309a68f60d4b0.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-0acdafe45947dd5d.rlib" "/opt/rustwide/target/debug/deps/libmemchr-26b0e7e929d29953.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-f67718dd40129317.rlib" "/opt/rustwide/target/debug/deps/libwalkdir-6419938b93314fa0.rlib" "/opt/rustwide/target/debug/deps/libsame_file-363d9c9b6ab85ccc.rlib" "/opt/rustwide/target/debug/deps/libclap-4539492ca6e2e316.rlib" "/opt/rustwide/target/debug/deps/libvec_map-97ca52e148358cd3.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-8a6bd19b879ced5e.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-57aec043958db3e8.rlib" "/opt/rustwide/target/debug/deps/libstrsim-4124e514b7a4f703.rlib" "/opt/rustwide/target/debug/deps/libbitflags-603a79344a96ee73.rlib" "/opt/rustwide/target/debug/deps/libatty-74ae31da606cbf78.rlib" "/opt/rustwide/target/debug/deps/liblibc-f4baf6f3425f6f2e.rlib" "/opt/rustwide/target/debug/deps/libansi_term-bd7b8ca88b2cc3f8.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9c44f1fe63de3edb.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5dfdbb680ac299a1.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-353beaf877db2fdf.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-cd4abd33332d2d3f.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-3b908b5b50ddd80c.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-9cafd3521b5532d3.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-7b0935832903a9ac.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-8a349b13d67c76e3.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-9d41e7cb09eafd8e.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-095194fedb4c0ec4.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-968cf83f088269ec.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e63bbb95a6beff5c.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-9f216e67c2916fa5.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-4688b763605c6a0e.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a9b2dc3244289321.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-003d83a588984e1f.rlib" "-Wl,-Bdynamic" "-ltag_c" "-ltag" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/mack-ded6adee7149f6c8" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "eb4648f8cf797fcc04155e44b12c7d1d90f7160b722a193375da91f79bbb6191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb4648f8cf797fcc04155e44b12c7d1d90f7160b722a193375da91f79bbb6191", kill_on_drop: false }`
[INFO] [stdout] eb4648f8cf797fcc04155e44b12c7d1d90f7160b722a193375da91f79bbb6191