[INFO] fetching crate polyhorn-ios 0.2.0...
[INFO] testing polyhorn-ios-0.2.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate polyhorn-ios 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate polyhorn-ios 0.2.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polyhorn-ios 0.2.0
[INFO] finished tweaking crates.io crate polyhorn-ios 0.2.0
[INFO] tweaked toml for crates.io crate polyhorn-ios 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] e2fc880c47770c30a64f4426c55e688ccfcde6050e1073d7e0c7c83e8a0436e6
[INFO] running `Command { std: "docker" "start" "-a" "e2fc880c47770c30a64f4426c55e688ccfcde6050e1073d7e0c7c83e8a0436e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2fc880c47770c30a64f4426c55e688ccfcde6050e1073d7e0c7c83e8a0436e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2fc880c47770c30a64f4426c55e688ccfcde6050e1073d7e0c7c83e8a0436e6", kill_on_drop: false }`
[INFO] [stdout] e2fc880c47770c30a64f4426c55e688ccfcde6050e1073d7e0c7c83e8a0436e6
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] bbebebe2349174a5a9a01125485fda384dd46e65ee6c3bf95c0ab43c9d539365
[INFO] running `Command { std: "docker" "start" "-a" "bbebebe2349174a5a9a01125485fda384dd46e65ee6c3bf95c0ab43c9d539365", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling strum v0.19.5
[INFO] [stderr]    Compiling paste v1.0.1
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]    Compiling as-any v0.2.0
[INFO] [stderr]    Compiling dispatch v0.2.0
[INFO] [stderr]    Compiling libloading v0.6.4
[INFO] [stderr]    Compiling clang-sys v1.0.1
[INFO] [stderr]    Compiling polyhorn-build-ios v0.2.0
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling futures-channel v0.3.6
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling malloc_buf v0.0.6
[INFO] [stderr]    Compiling polyhorn-core v0.2.0
[INFO] [stderr]    Compiling polyhorn-macros v0.2.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling polyhorn-build v0.2.0
[INFO] [stderr]    Compiling objc v0.2.7
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling polyhorn-ios-sys v0.2.0
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling fsize v0.1.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]    Compiling smart-default v0.6.0
[INFO] [stderr]    Compiling polyhorn-yoga v0.3.2
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling futures-util v0.3.6
[INFO] [stderr]    Compiling logos v0.11.4
[INFO] [stderr]    Compiling casco v0.2.0
[INFO] [stderr]    Compiling polyhorn-ui v0.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.6
[INFO] [stderr]    Compiling futures v0.3.6
[INFO] [stderr]    Compiling polyhorn-channel v0.2.0
[INFO] [stderr]    Compiling polyhorn-ui-macros v0.2.0
[INFO] [stderr]    Compiling polyhorn-layout v0.2.0
[INFO] [stderr]    Compiling polyhorn-ios v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "bbebebe2349174a5a9a01125485fda384dd46e65ee6c3bf95c0ab43c9d539365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbebebe2349174a5a9a01125485fda384dd46e65ee6c3bf95c0ab43c9d539365", kill_on_drop: false }`
[INFO] [stdout] bbebebe2349174a5a9a01125485fda384dd46e65ee6c3bf95c0ab43c9d539365
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eb9dedd0bd5ba14cea5d2ed65336666014e6b614dd99991d8c171615173636d
[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" "6eb9dedd0bd5ba14cea5d2ed65336666014e6b614dd99991d8c171615173636d", kill_on_drop: false }`
[INFO] [stderr]    Compiling polyhorn-ios v0.2.0 (/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/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/polyhorn_ios-3bc77b50f961d394.polyhorn_ios.9bsbduji-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/polyhorn_ios-3bc77b50f961d394.polyhorn_ios.9bsbduji-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/polyhorn_ios-3bc77b50f961d394.polyhorn_ios.9bsbduji-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/polyhorn_ios-3bc77b50f961d394.polyhorn_ios.9bsbduji-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/polyhorn_ios-3bc77b50f961d394.polyhorn_ios.9bsbduji-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/polyhorn_ios-3bc77b50f961d394.polyhorn_ios.9bsbduji-cgu.5.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/polyhorn_ios-3bc77b50f961d394" "/opt/rustwide/target/debug/deps/polyhorn_ios-3bc77b50f961d394.10jyyrcw0y41i46e.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/polyhorn-yoga-2d8777ffd2fe75b4/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtokio-c3550d7e178d916e.rlib" "/opt/rustwide/target/debug/deps/libfnv-551fbd3154ffd6a8.rlib" "/opt/rustwide/target/debug/deps/libpin_project_lite-7196d224248ef691.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-1a99bd050f5bcac9.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-c3c443d72de8b429.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-8b34c4c4a224fb59.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-b247e4f3706e4767.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-45a697d9a5a880a0.rlib" "/opt/rustwide/target/debug/deps/libas_any-ba07219a74bfa8a8.rlib" "/opt/rustwide/target/debug/deps/libdispatch-cb04953b38bef1c0.rlib" "/opt/rustwide/target/debug/deps/libpolyhorn_layout-0075fd9814ac1ce7.rlib" "/opt/rustwide/target/debug/deps/libpolyhorn_yoga-367f04800437458a.rlib" "/opt/rustwide/target/debug/deps/libordered_float-509ef0704d528ed3.rlib" "/opt/rustwide/target/debug/deps/libpolyhorn_channel-8685eae2fca7dd37.rlib" "/opt/rustwide/target/debug/deps/libfutures-d6c0b08dcd109e70.rlib" "/opt/rustwide/target/debug/deps/libfutures_executor-c1876052cabdc6a3.rlib" "/opt/rustwide/target/debug/deps/libfutures_util-1cc409613a0c3bff.rlib" "/opt/rustwide/target/debug/deps/libmemchr-d49ac1e01d7c87e9.rlib" "/opt/rustwide/target/debug/deps/libproc_macro_nested-756fc9a35f0fc78d.rlib" "/opt/rustwide/target/debug/deps/libfutures_io-f07d0c48079f0032.rlib" "/opt/rustwide/target/debug/deps/libslab-2ac6dc832fffd6a6.rlib" "/opt/rustwide/target/debug/deps/libfutures_channel-f2fe757b75d5e4ca.rlib" "/opt/rustwide/target/debug/deps/libpin_project-93516f187c7ace44.rlib" "/opt/rustwide/target/debug/deps/libfutures_sink-3508acfcc9cd9383.rlib" "/opt/rustwide/target/debug/deps/libfutures_task-289800a8ced51050.rlib" "/opt/rustwide/target/debug/deps/libonce_cell-a775735aba630a20.rlib" "/opt/rustwide/target/debug/deps/libpin_utils-e7fadc93d11de894.rlib" "/opt/rustwide/target/debug/deps/libfutures_core-c37ea765d59cd195.rlib" "/opt/rustwide/target/debug/deps/libpolyhorn_ios_sys-f0c28ce4e52b3119.rlib" "/opt/rustwide/target/debug/deps/libobjc-705cf505af0664d5.rlib" "/opt/rustwide/target/debug/deps/libmalloc_buf-ebfabff9f6fa5ed9.rlib" "/opt/rustwide/target/debug/deps/liblibc-0a43f320b0d2a047.rlib" "/opt/rustwide/target/debug/deps/libfsize-10b2c5213a6e54b4.rlib" "/opt/rustwide/target/debug/deps/libpolyhorn_ui-d2791b4b7c9319dd.rlib" "/opt/rustwide/target/debug/deps/libstrum-368b386db1039f77.rlib" "/opt/rustwide/target/debug/deps/libquote-1af776faa820709e.rlib" "/opt/rustwide/target/debug/deps/libcasco-74f29252e8c5b459.rlib" "/opt/rustwide/target/debug/deps/libproc_macro2-b533cced430adc3c.rlib" "/opt/rustwide/target/debug/deps/libunicode_xid-8a058fa190690d36.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libproc_macro-8975dabc5e7e4cfc.rlib" "/opt/rustwide/target/debug/deps/liblogos-77000518634496b9.rlib" "/opt/rustwide/target/debug/deps/libpalette-22b4f7d9b2bc3556.rlib" "/opt/rustwide/target/debug/deps/libphf-698fabe97c30c3ac.rlib" "/opt/rustwide/target/debug/deps/libphf_shared-e298393528b35478.rlib" "/opt/rustwide/target/debug/deps/libsiphasher-c7692fa4a865b33c.rlib" "/opt/rustwide/target/debug/deps/libapprox-1022f9a5f0dc1183.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-b647543940554833.rlib" "/opt/rustwide/target/debug/deps/libbytes-08650bc8a1092bcf.rlib" "/opt/rustwide/target/debug/deps/libpolyhorn_core-4d7d6b991134d4f6.rlib" "/opt/rustwide/target/debug/deps/libserde-93f678746e69300c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-ldispatch" "-lstdc++" "-lobjc" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -ldispatch
[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 `polyhorn-ios`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6eb9dedd0bd5ba14cea5d2ed65336666014e6b614dd99991d8c171615173636d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb9dedd0bd5ba14cea5d2ed65336666014e6b614dd99991d8c171615173636d", kill_on_drop: false }`
[INFO] [stdout] 6eb9dedd0bd5ba14cea5d2ed65336666014e6b614dd99991d8c171615173636d
