[INFO] cloning repository https://github.com/museun/png2sixel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/museun/png2sixel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fpng2sixel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fpng2sixel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b201a62d3b8f2f2e6a0869381d7b2587425ba116
[INFO] testing museun/png2sixel against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fpng2sixel" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/museun/png2sixel on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/museun/png2sixel
[INFO] finished tweaking git repo https://github.com/museun/png2sixel
[INFO] tweaked toml for git repo https://github.com/museun/png2sixel written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/museun/png2sixel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] 657cd5089146be74efa7fff76772c5c69f13ffff7d685502d9a8a0d2fe06364d
[INFO] running `Command { std: "docker" "start" "-a" "657cd5089146be74efa7fff76772c5c69f13ffff7d685502d9a8a0d2fe06364d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "657cd5089146be74efa7fff76772c5c69f13ffff7d685502d9a8a0d2fe06364d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "657cd5089146be74efa7fff76772c5c69f13ffff7d685502d9a8a0d2fe06364d", kill_on_drop: false }`
[INFO] [stdout] 657cd5089146be74efa7fff76772c5c69f13ffff7d685502d9a8a0d2fe06364d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52029eeda6c8410d90fd873b7f8a0d89e8446397b360c0619cdc059c576eafa0
[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" "52029eeda6c8410d90fd873b7f8a0d89e8446397b360c0619cdc059c576eafa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling image v0.21.1
[INFO] [stderr]    Compiling png2sixel v0.1.0 (/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/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.png2sixel.ee5k9zx8-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.png2sixel.ee5k9zx8-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.png2sixel.ee5k9zx8-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.png2sixel.ee5k9zx8-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.png2sixel.ee5k9zx8-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.png2sixel.ee5k9zx8-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.png2sixel.ee5k9zx8-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.png2sixel.ee5k9zx8-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.png2sixel.ee5k9zx8-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.png2sixel.ee5k9zx8-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.png2sixel.ee5k9zx8-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.png2sixel.ee5k9zx8-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.png2sixel.ee5k9zx8-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.png2sixel.ee5k9zx8-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.png2sixel.ee5k9zx8-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.png2sixel.ee5k9zx8-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0" "/opt/rustwide/target/debug/deps/png2sixel-fbab076073f33dc0.5d383d4eq0t51tx9.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lsixel" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libimage-f33c09235d31840a.rlib" "/opt/rustwide/target/debug/deps/libpng-df49e7a2ef83b8bf.rlib" "/opt/rustwide/target/debug/deps/libdeflate-f1e6ff08f3714d6a.rlib" "/opt/rustwide/target/debug/deps/libinflate-9baab2ad435823ef.rlib" "/opt/rustwide/target/debug/deps/libadler32-bb56c2200bd200af.rlib" "/opt/rustwide/target/debug/deps/libbitflags-0e3ab843d5d98160.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-aaa61f6ff3a950bf.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-f73696ececd92cd0.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-3bdec5b779a88f57.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-cdbb2c93d82ff0aa.rlib" "/opt/rustwide/target/debug/deps/liblzw-2bf98fa21fe9f912.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-0a365d08e7e185d9.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lsixel
[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 `png2sixel`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "52029eeda6c8410d90fd873b7f8a0d89e8446397b360c0619cdc059c576eafa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52029eeda6c8410d90fd873b7f8a0d89e8446397b360c0619cdc059c576eafa0", kill_on_drop: false }`
[INFO] [stdout] 52029eeda6c8410d90fd873b7f8a0d89e8446397b360c0619cdc059c576eafa0