[INFO] fetching crate mack 1.0.0...
[INFO] testing mack-1.0.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate mack 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mack 1.0.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mack 1.0.0
[INFO] finished tweaking crates.io crate mack 1.0.0
[INFO] tweaked toml for crates.io crate mack 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate mack 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f91ceabe1e336d0582a537bd80f2dfb48458bf66393c77e2afa215bff2b0dfd
[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" "1f91ceabe1e336d0582a537bd80f2dfb48458bf66393c77e2afa215bff2b0dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f91ceabe1e336d0582a537bd80f2dfb48458bf66393c77e2afa215bff2b0dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f91ceabe1e336d0582a537bd80f2dfb48458bf66393c77e2afa215bff2b0dfd", kill_on_drop: false }`
[INFO] [stdout] 1f91ceabe1e336d0582a537bd80f2dfb48458bf66393c77e2afa215bff2b0dfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d7d8cdd62bb44372c24aa56341a930528113b312d04f38dcccbc8edae82d4a4
[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" "2d7d8cdd62bb44372c24aa56341a930528113b312d04f38dcccbc8edae82d4a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling taglib-sys v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling walkdir v2.3.1
[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 v1.0.0 (/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/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.mack.82oele2a-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.mack.82oele2a-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.mack.82oele2a-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.mack.82oele2a-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.mack.82oele2a-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.mack.82oele2a-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.mack.82oele2a-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.mack.82oele2a-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.mack.82oele2a-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.mack.82oele2a-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.mack.82oele2a-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.mack.82oele2a-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.mack.82oele2a-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.mack.82oele2a-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.mack.82oele2a-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.mack.82oele2a-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6" "/opt/rustwide/target/debug/deps/mack-73d4c06f9e9aeac6.3m5ylaargkl9emxh.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtaglib-ce41eec419cd868d.rlib" "/opt/rustwide/target/debug/deps/libtaglib_sys-ec1a35c61fee1067.rlib" "/opt/rustwide/target/debug/deps/libregex-9784bdbd17761e23.rlib" "/opt/rustwide/target/debug/deps/libthread_local-b1b857567b38aff1.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-a638c6ab9996b7e1.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-5c3f4ee3e5c74824.rlib" "/opt/rustwide/target/debug/deps/libmemchr-bb23920ec89494b5.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-cd2401a06b1676f6.rlib" "/opt/rustwide/target/debug/deps/libwalkdir-5a6ad040f0c41c30.rlib" "/opt/rustwide/target/debug/deps/libsame_file-8bd8ac94a4a06b38.rlib" "/opt/rustwide/target/debug/deps/libclap-3d6ebf04df7dbcbb.rlib" "/opt/rustwide/target/debug/deps/libvec_map-a7654c802e273934.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-60621051abfcb17d.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-79b8b0ff3a77c502.rlib" "/opt/rustwide/target/debug/deps/libstrsim-802379fb3524d342.rlib" "/opt/rustwide/target/debug/deps/libbitflags-df474a8ca45884a8.rlib" "/opt/rustwide/target/debug/deps/libatty-8a3a9ce2aca5f39b.rlib" "/opt/rustwide/target/debug/deps/liblibc-5bb5029eb671be1f.rlib" "/opt/rustwide/target/debug/deps/libansi_term-5e807deedeef1036.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c659455244c9d2ca.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-448643d99e633b5d.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-c7c3d631a525883a.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d7659a11bb201e01.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-9aceb6f83a33a9b6.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-876c3057c8a2a7c2.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2f02aa3e24d2aa49.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-1d4694108f8cb543.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-79eaa6e630880f50.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-0df1a4ec96f80cf7.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bba9b0f0f4d77257.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f848f9c987265235.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0d5ea4f2d39b8e27.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c22053fa5fc00a3b.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-c52e5d6301e1bd59.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-6e3d052afeb9f711.rlib" "-Wl,-Bdynamic" "-ltag_c" "-ltag" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[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" "2d7d8cdd62bb44372c24aa56341a930528113b312d04f38dcccbc8edae82d4a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d7d8cdd62bb44372c24aa56341a930528113b312d04f38dcccbc8edae82d4a4", kill_on_drop: false }`
[INFO] [stdout] 2d7d8cdd62bb44372c24aa56341a930528113b312d04f38dcccbc8edae82d4a4