[INFO] fetching crate cnx 0.3.0...
[INFO] testing cnx-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cnx 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cnx 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cnx 0.3.0
[INFO] finished tweaking crates.io crate cnx 0.3.0
[INFO] tweaked toml for crates.io crate cnx 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c89bff99eccb440ba49b0e59b8a730aab5d94fd1a62508f172fb39425531de5
[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" "7c89bff99eccb440ba49b0e59b8a730aab5d94fd1a62508f172fb39425531de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c89bff99eccb440ba49b0e59b8a730aab5d94fd1a62508f172fb39425531de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c89bff99eccb440ba49b0e59b8a730aab5d94fd1a62508f172fb39425531de5", kill_on_drop: false }`
[INFO] [stdout] 7c89bff99eccb440ba49b0e59b8a730aab5d94fd1a62508f172fb39425531de5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a282755257a7ac92bb556a889d68cbeb117be32b16833aef398b37dfcc034da3
[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" "a282755257a7ac92bb556a889d68cbeb117be32b16833aef398b37dfcc034da3", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling pangocairo v0.9.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling pangocairo-sys v0.10.1
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling async-stream v0.2.1
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling glib v0.9.3
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling xcb-util v0.3.0
[INFO] [stderr]    Compiling cnx v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.84s
[INFO] running `Command { std: "docker" "inspect" "a282755257a7ac92bb556a889d68cbeb117be32b16833aef398b37dfcc034da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a282755257a7ac92bb556a889d68cbeb117be32b16833aef398b37dfcc034da3", kill_on_drop: false }`
[INFO] [stdout] a282755257a7ac92bb556a889d68cbeb117be32b16833aef398b37dfcc034da3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53938064cd6e4e68f0398a4e75d28415d5d08f5fe2083664a9f4e5256dd5fbf9
[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" "53938064cd6e4e68f0398a4e75d28415d5d08f5fe2083664a9f4e5256dd5fbf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cnx v0.3.0 (/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/cnx-260d5464f49e0e1a.cnx.6e41e608-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/cnx-260d5464f49e0e1a.cnx.6e41e608-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/cnx-260d5464f49e0e1a.cnx.6e41e608-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/cnx-260d5464f49e0e1a.cnx.6e41e608-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/cnx-260d5464f49e0e1a.cnx.6e41e608-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/cnx-260d5464f49e0e1a.cnx.6e41e608-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/cnx-260d5464f49e0e1a.cnx.6e41e608-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/cnx-260d5464f49e0e1a.cnx.6e41e608-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/cnx-260d5464f49e0e1a.4fbyrtc499kiutxt.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libchrono-3d3d1346a44899ba.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-908a556914710055.rlib" "/opt/rustwide/target/debug/deps/libtime-e6b722fe51caddf0.rlib" "/opt/rustwide/target/debug/deps/libpangocairo-9467cfce202699b9.rlib" "/opt/rustwide/target/debug/deps/libpango_cairo_sys-ddba7223b536ec03.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-ae0b9de85e81d76f.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-dd17e7b765638f54.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-e55ce254123a1c62.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-c91921c83bf98d74.rlib" "/opt/rustwide/target/debug/deps/libtokio_stream-d8155b99cf666248.rlib" "/opt/rustwide/target/debug/deps/libtokio-636aa11abeecfbb5.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-6aa8c0f7f41c04d4.rlib" "/opt/rustwide/target/debug/deps/libmio-795b931f544811fd.rlib" "/opt/rustwide/target/debug/deps/libfutures-792ab121bdc4d607.rlib" "/opt/rustwide/target/debug/deps/libpango-7bfa6260e03ebe57.rlib" "/opt/rustwide/target/debug/deps/libpango_sys-dfa95783c89575ba.rlib" "/opt/rustwide/target/debug/deps/libcairo-4c7a80b94bc36c48.rlib" "/opt/rustwide/target/debug/deps/libglib-65683328a3ae376a.rlib" "/opt/rustwide/target/debug/deps/libfutures_executor-29194e3bdc0c5020.rlib" "/opt/rustwide/target/debug/deps/libfutures_util-e388f7c9ee20fc79.rlib" "/opt/rustwide/target/debug/deps/libmemchr-0f592fda00c64810.rlib" "/opt/rustwide/target/debug/deps/libfutures_io-0de4ea5d52cd3d44.rlib" "/opt/rustwide/target/debug/deps/libslab-8a986d953e272c90.rlib" "/opt/rustwide/target/debug/deps/libpin_project_lite-eca84dd3ea8e853e.rlib" "/opt/rustwide/target/debug/deps/libpin_utils-179c4ec3b1bb6929.rlib" "/opt/rustwide/target/debug/deps/libfutures_task-a712931dc56e820e.rlib" "/opt/rustwide/target/debug/deps/libfutures_channel-5d667e81f05467c4.rlib" "/opt/rustwide/target/debug/deps/libfutures_sink-b9b212b3a9090366.rlib" "/opt/rustwide/target/debug/deps/libfutures_core-f3d5418223d2fe38.rlib" "/opt/rustwide/target/debug/deps/libgobject_sys-6693c756090cfdb7.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rlib" "/opt/rustwide/target/debug/deps/libbitflags-f947290fec4feb2c.rlib" "/opt/rustwide/target/debug/deps/libcairo_sys-2cf570606debb0a5.rlib" "/opt/rustwide/target/debug/deps/libglib_sys-40b0d61def1f4d7a.rlib" "/opt/rustwide/target/debug/deps/libxcb_util-1e520debb23b9db4.rlib" "/opt/rustwide/target/debug/deps/libxcb-0026a9ceb027cb7a.rlib" "/opt/rustwide/target/debug/deps/liblog-5adcf922eb1fa2ac.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-dece450273084492.rlib" "/opt/rustwide/target/debug/deps/liblibc-7085dace614ae946.rlib" "/opt/rustwide/target/debug/deps/libordered_float-a313eda6369c9979.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-4054f1e6571b7726.rlib" "/opt/rustwide/target/debug/deps/libanyhow-a6de331f7eb7ef5b.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-06f01ac2578bda94.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f9a3c3274a1835e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d4cbb754ee9f4daa.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-95c14e1c1e3ebcc4.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d489f0ca872880cc.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-75f07df0b18fea39.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c35b278736219a2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e530649c9a06e3c6.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-6b148909d375a785.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-cd15fa647f4775d1.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74be3a703f788ba2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8f2c5b445c28b2e3.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8480e85e0be96197.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ac23a75f6f42004e.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-557ba8776e04d182.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4beb03d03503c439.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-dd7db1bec6909f24.rlib" "-Wl,-Bdynamic" "-lpangocairo-1.0" "-lpango-1.0" "-lgobject-2.0" "-lglib-2.0" "-lharfbuzz" "-lcairo" "-lpango-1.0" "-lgobject-2.0" "-lglib-2.0" "-lharfbuzz" "-lgobject-2.0" "-lglib-2.0" "-lcairo-gobject" "-lcairo" "-lgobject-2.0" "-lglib-2.0" "-lxcb-ewmh" "-lxcb" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/cnx-260d5464f49e0e1a" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lxcb-ewmh
[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 `cnx` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "53938064cd6e4e68f0398a4e75d28415d5d08f5fe2083664a9f4e5256dd5fbf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53938064cd6e4e68f0398a4e75d28415d5d08f5fe2083664a9f4e5256dd5fbf9", kill_on_drop: false }`
[INFO] [stdout] 53938064cd6e4e68f0398a4e75d28415d5d08f5fe2083664a9f4e5256dd5fbf9