[INFO] fetching crate mxruntime 0.1.0...
[INFO] testing mxruntime-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mxruntime 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mxruntime 0.1.0 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 mxruntime 0.1.0
[INFO] removed path dependency magenta from crates.io crate mxruntime 0.1.0
[INFO] removed path dependency magenta-sys from crates.io crate mxruntime 0.1.0
[INFO] removed path dependency mxruntime-sys from crates.io crate mxruntime 0.1.0
[INFO] finished tweaking crates.io crate mxruntime 0.1.0
[INFO] tweaked toml for crates.io crate mxruntime 0.1.0 written to /workspace/builds/worker-8/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-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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7695679c99c29844cf6ecc6918383359aa89735b478d4811ae8320bb69577e3
[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" "a7695679c99c29844cf6ecc6918383359aa89735b478d4811ae8320bb69577e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7695679c99c29844cf6ecc6918383359aa89735b478d4811ae8320bb69577e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7695679c99c29844cf6ecc6918383359aa89735b478d4811ae8320bb69577e3", kill_on_drop: false }`
[INFO] [stdout] a7695679c99c29844cf6ecc6918383359aa89735b478d4811ae8320bb69577e3
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc0c9bed3e459be6987bae23662bc10012cbf337c409d1545fbd2472540aa8fa
[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" "dc0c9bed3e459be6987bae23662bc10012cbf337c409d1545fbd2472540aa8fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling magenta-sys v0.1.1
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling mxruntime-sys v0.1.0
[INFO] [stderr]    Compiling magenta v0.1.1
[INFO] [stderr]    Compiling mxruntime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "dc0c9bed3e459be6987bae23662bc10012cbf337c409d1545fbd2472540aa8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc0c9bed3e459be6987bae23662bc10012cbf337c409d1545fbd2472540aa8fa", kill_on_drop: false }`
[INFO] [stdout] dc0c9bed3e459be6987bae23662bc10012cbf337c409d1545fbd2472540aa8fa
[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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72b8bf4220c4072ebc28706a0d749f004bf8d0fe6acc5adb0411704c6acda312
[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" "72b8bf4220c4072ebc28706a0d749f004bf8d0fe6acc5adb0411704c6acda312", kill_on_drop: false }`
[INFO] [stderr]    Compiling mxruntime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `MX_OBJECT_SIGNAL_0` in crate `magenta`
[INFO] [stdout]    --> examples/simple_fidl_server.rs:17:63
[INFO] [stdout]     |
[INFO] [stdout] 17  |   const MX_CHANNEL_SIGNAL_READABLE: magenta::Signals = magenta::MX_OBJECT_SIGNAL_0;
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^^^^ help: a constant with a similar name exists: `MX_USER_SIGNAL_0`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/magenta-sys-0.1.1/src/lib.rs:59:1
[INFO] [stdout]     |
[INFO] [stdout] 59  | / bitflags! {
[INFO] [stdout] 60  | |     #[repr(C)]
[INFO] [stdout] 61  | |     pub flags mx_signals_t: u32 {
[INFO] [stdout] 62  | |         const MX_SIGNAL_NONE              = 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 158 | |     }
[INFO] [stdout] 159 | | }
[INFO] [stdout]     | |_- similarly named constant `MX_USER_SIGNAL_0` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mxruntime`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/mxruntime-30be6719c28ddde3.mxruntime.8vu4eyvi-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/mxruntime-30be6719c28ddde3.mxruntime.8vu4eyvi-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/mxruntime-30be6719c28ddde3.mxruntime.8vu4eyvi-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/mxruntime-30be6719c28ddde3.mxruntime.8vu4eyvi-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/mxruntime-30be6719c28ddde3.mxruntime.8vu4eyvi-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/mxruntime-30be6719c28ddde3.mxruntime.8vu4eyvi-cgu.5.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/mxruntime-30be6719c28ddde3" "/opt/rustwide/target/debug/deps/mxruntime-30be6719c28ddde3.i6taps6om0m21c8.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/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-6609e81d71a1bf05.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-c352aab3e89370e6.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-5a89b15f567bd092.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-f48d3ad387757b0f.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_std-bf2dc5d6d88f70a5.rlib" "/opt/rustwide/target/debug/deps/libmxruntime_sys-2a6296e61a6d0620.rlib" "/opt/rustwide/target/debug/deps/libmagenta-618a120e2d747360.rlib" "/opt/rustwide/target/debug/deps/libconv-1bc8dd58212a73ba.rlib" "/opt/rustwide/target/debug/deps/libcustom_derive-bdf5aadade2e3add.rlib" "/opt/rustwide/target/debug/deps/libmagenta_sys-9389fbc1ed76a571.rlib" "/opt/rustwide/target/debug/deps/libbitflags-2660c594cf04f3b5.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" "-lmxio" "-lmagenta" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lmxio
[INFO] [stdout]           /usr/bin/ld: cannot find -lmagenta
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "72b8bf4220c4072ebc28706a0d749f004bf8d0fe6acc5adb0411704c6acda312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b8bf4220c4072ebc28706a0d749f004bf8d0fe6acc5adb0411704c6acda312", kill_on_drop: false }`
[INFO] [stdout] 72b8bf4220c4072ebc28706a0d749f004bf8d0fe6acc5adb0411704c6acda312