[INFO] cloning repository https://github.com/camjackson/conway_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/camjackson/conway_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Fconway_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Fconway_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5895769b2e96b41ef45f8cccc20b59c27dae3d8
[INFO] testing camjackson/conway_rs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Fconway_rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/camjackson/conway_rs 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 git repo https://github.com/camjackson/conway_rs
[INFO] finished tweaking git repo https://github.com/camjackson/conway_rs
[INFO] tweaked toml for git repo https://github.com/camjackson/conway_rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/camjackson/conway_rs already has a lockfile, it will not be regenerated
[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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ca94f8768a106cebfb0328845c19a4f8fd65f2643a04a767816aeabaf02efe2
[INFO] running `Command { std: "docker" "start" "-a" "0ca94f8768a106cebfb0328845c19a4f8fd65f2643a04a767816aeabaf02efe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ca94f8768a106cebfb0328845c19a4f8fd65f2643a04a767816aeabaf02efe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ca94f8768a106cebfb0328845c19a4f8fd65f2643a04a767816aeabaf02efe2", kill_on_drop: false }`
[INFO] [stdout] 0ca94f8768a106cebfb0328845c19a4f8fd65f2643a04a767816aeabaf02efe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] ffe26f16357f8edbc5a529a2c22e7eff72ecbb3300a3aa54b516640de3144cb4
[INFO] running `Command { std: "docker" "start" "-a" "ffe26f16357f8edbc5a529a2c22e7eff72ecbb3300a3aa54b516640de3144cb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.11
[INFO] [stderr]    Compiling winapi v0.2.6
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]    Compiling libloading v0.2.2
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling lazy_static v0.2.1
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling crossbeam v0.2.9
[INFO] [stderr]    Compiling gcc v0.3.28
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling byteorder v0.5.1
[INFO] [stderr]    Compiling debug-builders v0.1.0
[INFO] [stderr]    Compiling smallvec v0.1.7
[INFO] [stderr]    Compiling tempfile v2.1.3
[INFO] [stderr]    Compiling xml-rs v0.3.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling fs2 v0.2.4
[INFO] [stderr]    Compiling shared_library v0.1.4
[INFO] [stderr]    Compiling dylib v0.0.1
[INFO] [stderr]    Compiling x11-dl v2.4.0
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling dlib v0.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.4
[INFO] [stderr]    Compiling osmesa-sys v0.0.5
[INFO] [stderr]    Compiling wayland-sys v0.5.11
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.1
[INFO] [stderr]    Compiling backtrace v0.1.8
[INFO] [stderr]    Compiling wayland-client v0.5.11
[INFO] [stderr]    Compiling glutin v0.5.1
[INFO] [stderr]    Compiling glium v0.14.0
[INFO] [stderr]    Compiling wayland-window v0.2.3
[INFO] [stderr]    Compiling wayland-kbd v0.3.5
[INFO] [stderr]    Compiling conway_rs v0.0.1 (/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/conway_rs-6c9347e615a1f200.conway_rs.4az2yryz-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200.conway_rs.4az2yryz-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200.conway_rs.4az2yryz-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200.conway_rs.4az2yryz-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200.conway_rs.4az2yryz-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200.conway_rs.4az2yryz-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200.conway_rs.4az2yryz-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200.conway_rs.4az2yryz-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200.conway_rs.4az2yryz-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200.conway_rs.4az2yryz-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200.conway_rs.4az2yryz-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200.conway_rs.4az2yryz-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200.conway_rs.4az2yryz-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200.conway_rs.4az2yryz-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200.conway_rs.4az2yryz-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200.conway_rs.4az2yryz-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200" "/opt/rustwide/target/debug/deps/conway_rs-6c9347e615a1f200.5e3hcks27aeimzh8.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-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/libglium-2ac4c11460fcf17e.rlib" "/opt/rustwide/target/debug/deps/libglutin-b8bf707aed7fafb9.rlib" "/opt/rustwide/target/debug/deps/libwayland_window-0cfde162a4d52da9.rlib" "/opt/rustwide/target/debug/deps/libtempfile-6cdf0a7cdf3b9ed1.rlib" "/opt/rustwide/target/debug/deps/librand-29cb53570c3c789c.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-99959d68744e963e.rlib" "/opt/rustwide/target/debug/deps/libwayland_kbd-3c9b6706b3e75028.rlib" "/opt/rustwide/target/debug/deps/libmemmap-21dcfa20a1613a6d.rlib" "/opt/rustwide/target/debug/deps/libbitflags-3a594175f77d4398.rlib" "/opt/rustwide/target/debug/deps/libosmesa_sys-80e264f5f5373664.rlib" "/opt/rustwide/target/debug/deps/libwayland_client-6c1acee4f0b3df88.rlib" "/opt/rustwide/target/debug/deps/libwayland_sys-86c841780fc15ed5.rlib" "/opt/rustwide/target/debug/deps/libdlib-2fa803892627fa28.rlib" "/opt/rustwide/target/debug/deps/liblibloading-a0be92bee89bb60f.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-41f70178910eccb3.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-168fc416a644e641.rlib" "/opt/rustwide/target/debug/deps/libbitflags-9f683007c92f384d.rlib" "/opt/rustwide/target/debug/deps/libx11_dl-a306a6fcd0b0cc95.rlib" "/opt/rustwide/target/debug/deps/libdylib-2c71d3af70047cd0.rlib" "/opt/rustwide/target/debug/deps/libshared_library-600c9095c189e9c9.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-25613fc367410db3.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-e7f2ea1d2aac11bc.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-525de4893b7fefe9.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-167bc1d41d73014a.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-14ce709e1e890287.rlib" "/opt/rustwide/target/debug/deps/libwinapi-18343eecbfbdc70f.rlib" "/opt/rustwide/target/debug/deps/libkernel32-792c8a47932f60a9.rlib" "/opt/rustwide/target/debug/deps/libdebug_builders-16502888030ebc8f.rlib" "/opt/rustwide/target/debug/deps/liblibc-9f2d8bb38055c0a0.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-f5e61d18bec33e6d.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" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-e7f2ea1d2aac11bc.rlib(backtrace-e7f2ea1d2aac11bc.backtrace.ecbpvpn4-cgu.2.rcgu.o): in function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.1.8/src/symbolize/libbacktrace.rs:164: undefined reference to `backtrace_create_state'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-e7f2ea1d2aac11bc.rlib(backtrace-e7f2ea1d2aac11bc.backtrace.ecbpvpn4-cgu.2.rcgu.o): in function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.1.8/src/symbolize/libbacktrace.rs:192: undefined reference to `backtrace_pcinfo'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.1.8/src/symbolize/libbacktrace.rs:196: undefined reference to `backtrace_syminfo'
[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 `conway_rs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ffe26f16357f8edbc5a529a2c22e7eff72ecbb3300a3aa54b516640de3144cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe26f16357f8edbc5a529a2c22e7eff72ecbb3300a3aa54b516640de3144cb4", kill_on_drop: false }`
[INFO] [stdout] ffe26f16357f8edbc5a529a2c22e7eff72ecbb3300a3aa54b516640de3144cb4