[INFO] fetching crate xenu-background 0.1.1...
[INFO] testing xenu-background-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate xenu-background 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate xenu-background 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xenu-background 0.1.1
[INFO] finished tweaking crates.io crate xenu-background 0.1.1
[INFO] tweaked toml for crates.io crate xenu-background 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d190636e54842f6ba11dbc45d47a6eaa2740da8af0a59d419697a025d333a2a
[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" "3d190636e54842f6ba11dbc45d47a6eaa2740da8af0a59d419697a025d333a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d190636e54842f6ba11dbc45d47a6eaa2740da8af0a59d419697a025d333a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d190636e54842f6ba11dbc45d47a6eaa2740da8af0a59d419697a025d333a2a", kill_on_drop: false }`
[INFO] [stdout] 3d190636e54842f6ba11dbc45d47a6eaa2740da8af0a59d419697a025d333a2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 84c75109d7d9ae6c2058b975d9506eb67c7598213eb3cfe88642d8ef7be6d620
[INFO] running `Command { std: "docker" "start" "-a" "84c75109d7d9ae6c2058b975d9506eb67c7598213eb3cfe88642d8ef7be6d620", kill_on_drop: false }`
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling xcb v0.7.8
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling xyz v0.2.1
[INFO] [stderr]    Compiling imagefmt v4.0.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling picto v0.1.2
[INFO] [stderr]    Compiling xcb-util v0.1.8
[INFO] [stderr]    Compiling xenu-background v0.1.1 (/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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.xenu_background.4m52i49w-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.xenu_background.4m52i49w-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.xenu_background.4m52i49w-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.xenu_background.4m52i49w-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.xenu_background.4m52i49w-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.xenu_background.4m52i49w-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.xenu_background.4m52i49w-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.xenu_background.4m52i49w-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.xenu_background.4m52i49w-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.xenu_background.4m52i49w-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.xenu_background.4m52i49w-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.xenu_background.4m52i49w-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.xenu_background.4m52i49w-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.xenu_background.4m52i49w-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.xenu_background.4m52i49w-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.xenu_background.4m52i49w-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404" "/opt/rustwide/target/debug/deps/xenu_background-d954b1e6e360f404.4of2oqgdmpks1hi7.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/miniz-sys-f439fb67761f81e0/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libxcb_util-d964937de006e898.rlib" "/opt/rustwide/target/debug/deps/libxcb-056fbf74064f9eb2.rlib" "/opt/rustwide/target/debug/deps/liblog-2ccdee9e6280c915.rlib" "/opt/rustwide/target/debug/deps/liblog-e85f58044ae91ffe.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b10e0993eefc366b.rlib" "/opt/rustwide/target/debug/deps/libpicto-b2876c5d66213363.rlib" "/opt/rustwide/target/debug/deps/libxyz-227a888f75b29aa6.rlib" "/opt/rustwide/target/debug/deps/libgif-f12ab668bc2c9525.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-43f6f2b0a28d0a7b.rlib" "/opt/rustwide/target/debug/deps/liblzw-0d682a6079178eab.rlib" "/opt/rustwide/target/debug/deps/libimagefmt-614592373c041cad.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-ed737850f32b394c.rlib" "/opt/rustwide/target/debug/deps/librayon-14343233beda00e4.rlib" "/opt/rustwide/target/debug/deps/librayon_core-47879ac6f238d205.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-ab9a9891b67f4402.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-6d22e3ca0113427c.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-ebd1b7f5d6357f15.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-83c0b633c61cea0e.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-61a8585eac99cded.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-e04655e2ef092aee.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-a00feec9ee9478ed.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-d836a7202f0431f0.rlib" "/opt/rustwide/target/debug/deps/libeither-6531171134b8f25b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-04b16b37fbc1beb3.rlib" "/opt/rustwide/target/debug/deps/libpng-2f9423c679c6144a.rlib" "/opt/rustwide/target/debug/deps/libflate2-bafbf39209d61485.rlib" "/opt/rustwide/target/debug/deps/libminiz_sys-34830afd5c64f83f.rlib" "/opt/rustwide/target/debug/deps/libinflate-b6e9dc6356030807.rlib" "/opt/rustwide/target/debug/deps/libbitflags-2660c594cf04f3b5.rlib" "/opt/rustwide/target/debug/deps/libpalette-d608c3e1a97982c9.rlib" "/opt/rustwide/target/debug/deps/libphf-38da70ca41d89b96.rlib" "/opt/rustwide/target/debug/deps/libphf_shared-39b629c0cabb8617.rlib" "/opt/rustwide/target/debug/deps/libsiphasher-2e1db04162ea080c.rlib" "/opt/rustwide/target/debug/deps/libapprox-a8e85ad9a60368e3.rlib" "/opt/rustwide/target/debug/deps/libnum-825ea3114784d4a6.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-bf8d959acf9e2378.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-53ecb7e5742c33b0.rlib" "/opt/rustwide/target/debug/deps/librand-26ff6dc32e2129b5.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-dbedff2ba9589a7d.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-cf160550f07bf347.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-63eb6f71941d397c.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-4545f17f749a0151.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-4a59219676fe7595.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-b75c165152fc07ab.rlib" "/opt/rustwide/target/debug/deps/libclap-55c0c88d018a5e9d.rlib" "/opt/rustwide/target/debug/deps/libvec_map-97b2d50686bf36e9.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-c6e5ad5dd55bdd8b.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-6a2548713a451fe0.rlib" "/opt/rustwide/target/debug/deps/libstrsim-8b805b0832095d99.rlib" "/opt/rustwide/target/debug/deps/libbitflags-de31228f2c0549ed.rlib" "/opt/rustwide/target/debug/deps/libatty-a56a033fb6ef07fa.rlib" "/opt/rustwide/target/debug/deps/liblibc-e0846f52673851a4.rlib" "/opt/rustwide/target/debug/deps/libansi_term-017778a055950e81.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lxcb-image" "-lxcb-image" "-lxcb" "-lxcb" "-lxcb" "-lxcb" "-lxcb-shm" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lxcb-image
[INFO] [stdout]           /usr/bin/ld: cannot find -lxcb-image
[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 `xenu-background`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "84c75109d7d9ae6c2058b975d9506eb67c7598213eb3cfe88642d8ef7be6d620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c75109d7d9ae6c2058b975d9506eb67c7598213eb3cfe88642d8ef7be6d620", kill_on_drop: false }`
[INFO] [stdout] 84c75109d7d9ae6c2058b975d9506eb67c7598213eb3cfe88642d8ef7be6d620