[INFO] fetching crate leanshot 0.4.0-rc...
[INFO] testing leanshot-0.4.0-rc against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate leanshot 0.4.0-rc into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate leanshot 0.4.0-rc on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leanshot 0.4.0-rc
[INFO] finished tweaking crates.io crate leanshot 0.4.0-rc
[INFO] tweaked toml for crates.io crate leanshot 0.4.0-rc written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate leanshot 0.4.0-rc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xcb v0.9.0
[INFO] [stderr]   Downloaded stderrlog v0.5.0
[INFO] [stderr]   Downloaded syn v1.0.55
[INFO] [stderr]   Downloaded xcb-util v0.3.0
[INFO] [stderr]   Downloaded anyhow v1.0.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b45d9aa1072ea9ba5188fe70f907b3aa3e39e1d9b8ad402468879dbe26e42aa0
[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" "b45d9aa1072ea9ba5188fe70f907b3aa3e39e1d9b8ad402468879dbe26e42aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b45d9aa1072ea9ba5188fe70f907b3aa3e39e1d9b8ad402468879dbe26e42aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b45d9aa1072ea9ba5188fe70f907b3aa3e39e1d9b8ad402468879dbe26e42aa0", kill_on_drop: false }`
[INFO] [stdout] b45d9aa1072ea9ba5188fe70f907b3aa3e39e1d9b8ad402468879dbe26e42aa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b776a63542e784904151f8c34cccfce026471ae12ca59821b843cf82bb40273
[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" "0b776a63542e784904151f8c34cccfce026471ae12ca59821b843cf82bb40273", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling weezl v0.1.3
[INFO] [stderr]    Compiling anyhow v1.0.36
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling stderrlog v0.5.0
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.12
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling xcb-util v0.3.0
[INFO] [stderr]    Compiling leanshot v0.4.0-rc (/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-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.leanshot.y1exvbwh-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.leanshot.y1exvbwh-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.leanshot.y1exvbwh-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.leanshot.y1exvbwh-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.leanshot.y1exvbwh-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.leanshot.y1exvbwh-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.leanshot.y1exvbwh-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.leanshot.y1exvbwh-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.leanshot.y1exvbwh-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.leanshot.y1exvbwh-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.leanshot.y1exvbwh-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.leanshot.y1exvbwh-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.leanshot.y1exvbwh-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.leanshot.y1exvbwh-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.leanshot.y1exvbwh-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.leanshot.y1exvbwh-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08" "/opt/rustwide/target/debug/deps/leanshot-db7b2124f4fd1e08.2ewu3g8u2uq1tyo3.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libstderrlog-e6c40128f8786411.rlib" "/opt/rustwide/target/debug/deps/libthread_local-abd19461110d9879.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-708b856bc0bad76e.rlib" "/opt/rustwide/target/debug/deps/libchrono-3676aa40a0ad09e1.rlib" "/opt/rustwide/target/debug/deps/libtime-e4462338ad1a6f8f.rlib" "/opt/rustwide/target/debug/deps/libstructopt-b2c6b926bdd64625.rlib" "/opt/rustwide/target/debug/deps/libclap-367b81fb88f94f5e.rlib" "/opt/rustwide/target/debug/deps/libvec_map-9c64949c2f867b0b.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-24249d84d50da6cf.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-906fa989c4fba052.rlib" "/opt/rustwide/target/debug/deps/libstrsim-794cc78f848fe7af.rlib" "/opt/rustwide/target/debug/deps/libatty-30358fd40d7b1720.rlib" "/opt/rustwide/target/debug/deps/libansi_term-4b9c56ff58f1d4f8.rlib" "/opt/rustwide/target/debug/deps/libxcb_util-f65577b37e416797.rlib" "/opt/rustwide/target/debug/deps/libxcb-5c6c81612b6245d2.rlib" "/opt/rustwide/target/debug/deps/libimage-2fedc0279c526275.rlib" "/opt/rustwide/target/debug/deps/libbytemuck-fbbd312f39091351.rlib" "/opt/rustwide/target/debug/deps/libpng-944c7db4f1c776c9.rlib" "/opt/rustwide/target/debug/deps/libminiz_oxide-a5d98ad79ea81331.rlib" "/opt/rustwide/target/debug/deps/libcrc32fast-52db5a2fb6e5927b.rlib" "/opt/rustwide/target/debug/deps/libdeflate-f520670c19841342.rlib" "/opt/rustwide/target/debug/deps/libadler32-b754b0225bffa03d.rlib" "/opt/rustwide/target/debug/deps/libbitflags-8a5476fab5bb3232.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-267458a14e18ac56.rlib" "/opt/rustwide/target/debug/deps/libscoped_threadpool-6eaaf14cfe82ad8a.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-d99d3625fed58e00.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-bb465877c8c7daff.rlib" "/opt/rustwide/target/debug/deps/libgif-09b54fd52ea6d92d.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-99d52960d8cb9a2a.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-ac465bc6de999387.rlib" "/opt/rustwide/target/debug/deps/libtiff-828727e1945cd12a.rlib" "/opt/rustwide/target/debug/deps/libweezl-4d60bb0fb89d3a89.rlib" "/opt/rustwide/target/debug/deps/libminiz_oxide-fe10664e7e641e28.rlib" "/opt/rustwide/target/debug/deps/libadler-013da12b1c81b559.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-378a5ae08dfb9d69.rlib" "/opt/rustwide/target/debug/deps/librayon-8e164ae26f3ae3ef.rlib" "/opt/rustwide/target/debug/deps/librayon_core-75e765fa52f82f9c.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-bb6d77f1917f6236.rlib" "/opt/rustwide/target/debug/deps/liblibc-77d6541a42757d2c.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-00723a61e3765b1e.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-8f2efe32f8519d44.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-b655deac3cb1d6a8.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-b71d276e69df7592.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-83a28bce40ee7748.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-87834de79fb55493.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b2d06f7d60fcbb27.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-d82520db93b55397.rlib" "/opt/rustwide/target/debug/deps/libeither-253b1295061796dc.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-2f9d4a3f19411b1e.rlib" "/opt/rustwide/target/debug/deps/libanyhow-b95d645d6fe00e3f.rlib" "/opt/rustwide/target/debug/deps/liblog-93afe3d9087c158b.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3bb9a546b52233f2.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-lxcb-image" "-lxcb" "-lxcb" "-lxcb" "-lxcb" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /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 `leanshot`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "0b776a63542e784904151f8c34cccfce026471ae12ca59821b843cf82bb40273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b776a63542e784904151f8c34cccfce026471ae12ca59821b843cf82bb40273", kill_on_drop: false }`
[INFO] [stdout] 0b776a63542e784904151f8c34cccfce026471ae12ca59821b843cf82bb40273