[INFO] fetching crate polyhorn-ios 0.4.0...
[INFO] testing polyhorn-ios-0.4.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate polyhorn-ios 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate polyhorn-ios 0.4.0
[INFO] finished tweaking crates.io crate polyhorn-ios 0.4.0
[INFO] tweaked toml for crates.io crate polyhorn-ios 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polyhorn-ios 0.4.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 117 packages to latest compatible versions
[INFO] [stderr]       Adding as-any v0.2.1 (available: v0.3.2)
[INFO] [stderr]       Adding fsize v0.1.1 (available: v1.0.0)
[INFO] [stderr]       Adding smart-default v0.6.0 (available: v0.7.1)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.47.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polyhorn-ui-macros v0.4.0
[INFO] [stderr]   Downloaded roxmltree v0.13.1
[INFO] [stderr]   Downloaded as-any v0.2.1
[INFO] [stderr]   Downloaded palette_derive v0.5.0
[INFO] [stderr]   Downloaded svgtypes v0.5.0
[INFO] [stderr]   Downloaded polyhorn-ui v0.4.0
[INFO] [stderr]   Downloaded kurbo v0.6.3
[INFO] [stderr]   Downloaded usvg v0.11.0
[INFO] [stderr]   Downloaded polyhorn-core v0.4.0
[INFO] [stderr]   Downloaded palette v0.5.0
[INFO] [stderr]   Downloaded tokio v0.2.25
[INFO] [stderr]   Downloaded ordered-float v1.1.1
[INFO] [stderr]   Downloaded strum_macros v0.19.4
[INFO] [stderr]   Downloaded data-url v0.1.1
[INFO] [stderr]   Downloaded pico-args v0.3.4
[INFO] [stderr]   Downloaded rctree v0.3.3
[INFO] [stderr]   Downloaded simplecss v0.2.2
[INFO] [stderr]   Downloaded bindgen v0.55.1
[INFO] [stderr]   Downloaded float-cmp v0.5.3
[INFO] [stderr]   Downloaded fsize v0.1.1
[INFO] [stderr]   Downloaded polyhorn-build-android v0.4.0
[INFO] [stderr]   Downloaded polyhorn-build-ios v0.4.0
[INFO] [stderr]   Downloaded polyhorn-build v0.4.1
[INFO] [stderr]   Downloaded polyhorn-ios-sys v0.4.0
[INFO] [stderr]   Downloaded polyhorn-macros v0.4.0
[INFO] [stderr]   Downloaded casco v0.4.0
[INFO] [stderr]   Downloaded strum v0.19.5
[INFO] [stderr]   Downloaded smart-default v0.6.0
[INFO] [stderr]   Downloaded polyhorn-yoga v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18de3a1b797e1b3f99a0311c2dbebbac23e7127e7e058a5c7e67a35558fa16ce
[INFO] running `Command { std: "docker" "start" "-a" "18de3a1b797e1b3f99a0311c2dbebbac23e7127e7e058a5c7e67a35558fa16ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18de3a1b797e1b3f99a0311c2dbebbac23e7127e7e058a5c7e67a35558fa16ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18de3a1b797e1b3f99a0311c2dbebbac23e7127e7e058a5c7e67a35558fa16ce", kill_on_drop: false }`
[INFO] [stdout] 18de3a1b797e1b3f99a0311c2dbebbac23e7127e7e058a5c7e67a35558fa16ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df29409dc5d258e59e9ebf3075d19b98b733c5183f649b064901137cb5439eed
[INFO] running `Command { std: "docker" "start" "-a" "df29409dc5d258e59e9ebf3075d19b98b733c5183f649b064901137cb5439eed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling polyhorn-build-android v0.4.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling data-url v0.1.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling roxmltree v0.13.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling svgtypes v0.5.0
[INFO] [stderr]    Compiling kurbo v0.6.3
[INFO] [stderr]    Compiling simplecss v0.2.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling polyhorn-build-ios v0.4.0
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling polyhorn-build v0.4.1
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling rctree v0.3.3
[INFO] [stderr]    Compiling malloc_buf v0.0.6
[INFO] [stderr]    Compiling strum v0.19.5
[INFO] [stderr]    Compiling fsize v0.1.1
[INFO] [stderr]    Compiling objc v0.2.7
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling polyhorn-macros v0.4.0
[INFO] [stderr]    Compiling polyhorn-ios-sys v0.4.0
[INFO] [stderr]    Compiling dispatch v0.2.0
[INFO] [stderr]    Compiling usvg v0.11.0
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling as-any v0.2.1
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling derivative v2.2.0
[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 futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling casco v0.4.0
[INFO] [stderr]    Compiling polyhorn-core v0.4.0
[INFO] [stderr]    Compiling polyhorn-yoga v0.3.4
[INFO] [stderr]    Compiling polyhorn-ui v0.4.0
[INFO] [stderr]    Compiling polyhorn-ui-macros v0.4.0
[INFO] [stderr]    Compiling polyhorn-ios v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.09s
[INFO] running `Command { std: "docker" "inspect" "df29409dc5d258e59e9ebf3075d19b98b733c5183f649b064901137cb5439eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df29409dc5d258e59e9ebf3075d19b98b733c5183f649b064901137cb5439eed", kill_on_drop: false }`
[INFO] [stdout] df29409dc5d258e59e9ebf3075d19b98b733c5183f649b064901137cb5439eed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16cef8d9336594f2b8f94b7b67e007205e41f38b1cb536cb5f95059c9132c9f3
[INFO] running `Command { std: "docker" "start" "-a" "16cef8d9336594f2b8f94b7b67e007205e41f38b1cb536cb5f95059c9132c9f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling polyhorn-ios v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `polyhorn-ios` (lib test) due to 1 previous error
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustc3VxjOQ/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libtokio-102767cbaa173e1b,libfnv-773757b135178300,libpin_project_lite-95a78b01f3c6162c}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*}.rlib" "/opt/rustwide/target/debug/deps/{libas_any-c3f3c9bdab969701,libdispatch-aabf8b311b473618,libpolyhorn_ios_sys-60c0a8a580eb478f,libobjc-abc240068013aeb8,libmalloc_buf-1033692bf07f99f0,liblibc-08aef465eb552f81,libfsize-81d34177e49c545e,libpolyhorn_ui-e8aa8bf92a13bd71,libusvg-bfdb0a410b036f25,libflate2-53ec0f0107fca564,libminiz_oxide-e7ff24d1b625e33f,libadler2-8cf763083e09675d,libcrc32fast-0830d1f6b2ed5997,libcfg_if-8dc91cf0ce07e60b,librctree-e0d0cf2592bdfecd,libbase64-276f563e39374f52,libsimplecss-f953f37889ff149c,libdata_url-5cb5e33e76431fd2,libmatches-e0967b3597424db7,libkurbo-4e1977c18b74dd89,libarrayvec-15451bb540225465,libxmlwriter-7f5af3480454b20e,libroxmltree-727719d8bec7aacc,libxmlparser-885fbfca84b3bbc3,liblog-41a3f0f89a8452d5,libsvgtypes-71058383c6ff0959,libsiphasher-04c26c254794e753,libfloat_cmp-71de3260b30c7dd9,libpolyhorn_yoga-609072070cb3ee78,libordered_float-ae174b39ffdc0a33,libstrum-fc09c61ff77bea66,libquote-60cee3dbebbc60c8,libcasco-0a34676307ac3eb7,libproc_macro2-f2887012f8f92076,libunicode_ident-3a6dab176a891c13}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libproc_macro-*,librustc_literal_escaper-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libpalette-de71f6ddbf704749,libapprox-16289dba57a84b0e,libnum_traits-a54c412c0a86aecc,libbytes-31d0f3725c88b0f3,libpolyhorn_core-f3c5ab76d15df3c9,libserde-56986ea9a25de610,libserde_core-489b2af3e367031f,libfutures-ca7db2ccfb2fb206,libfutures_executor-d64fce396aee4f57,libfutures_util-0b56fa2c2d8f05cf,libmemchr-ca275826d34a5b11,libfutures_io-bc246799431b487a,libslab-558fefab0f461689,libfutures_channel-a6f295c68a344208,libpin_project_lite-0cffc5d959d0b16f,libfutures_sink-0107838e7248b760,libfutures_task-08b8c341835ea1e8,libpin_utils-45ba7e7cff7aa459,libfutures_core-cfb76736a56aefc1}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-ldispatch" "-lobjc" "-lstdc++" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustc3VxjOQ/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/target/debug/build/polyhorn-yoga-30bbd52d64d8d976/out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/polyhorn_ios-09394fbae02e2aaa" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: unable to find library -ldispatch
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "16cef8d9336594f2b8f94b7b67e007205e41f38b1cb536cb5f95059c9132c9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16cef8d9336594f2b8f94b7b67e007205e41f38b1cb536cb5f95059c9132c9f3", kill_on_drop: false }`
[INFO] [stdout] 16cef8d9336594f2b8f94b7b67e007205e41f38b1cb536cb5f95059c9132c9f3