[INFO] cloning repository https://github.com/levjj/rustsweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/levjj/rustsweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevjj%2Frustsweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevjj%2Frustsweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7ac027074b1995f2bd7193e5fb31b34d6dbb42b
[INFO] testing levjj/rustsweeper against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevjj%2Frustsweeper" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/levjj/rustsweeper
[INFO] finished tweaking git repo https://github.com/levjj/rustsweeper
[INFO] tweaked toml for git repo https://github.com/levjj/rustsweeper written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/levjj/rustsweeper on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/levjj/rustsweeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b765ba17ba6b2d13c2a5db2fdadc10d620c8bb8423416a3bed4e58695e01c3d
[INFO] running `Command { std: "docker" "start" "-a" "9b765ba17ba6b2d13c2a5db2fdadc10d620c8bb8423416a3bed4e58695e01c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b765ba17ba6b2d13c2a5db2fdadc10d620c8bb8423416a3bed4e58695e01c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b765ba17ba6b2d13c2a5db2fdadc10d620c8bb8423416a3bed4e58695e01c3d", kill_on_drop: false }`
[INFO] [stdout] 9b765ba17ba6b2d13c2a5db2fdadc10d620c8bb8423416a3bed4e58695e01c3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33c7ca481b782985ba2057eceec2ea001e75e69759d7808fa8562ea717a20a4c
[INFO] running `Command { std: "docker" "start" "-a" "33c7ca481b782985ba2057eceec2ea001e75e69759d7808fa8562ea717a20a4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.4
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling base-x v0.2.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling stdweb v0.4.18
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling yew v0.7.0
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.7
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling yew-macro v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.7
[INFO] [stderr]    Compiling rustsweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustcdqFb3p/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{librustsweeper-4743951838aa0f5c,librand-ec0c7461f6740e33,librand_chacha-ad4fb305c0df27fa,libc2_chacha-d9a9e8b192e4c398,libppv_lite86-58fb91c972110d65,liblazy_static-cd609a044bdca600,librand_core-214b3bff2efd5532,libgetrandom-b9790e1e7b5e9d10,libyew-beff33f43f939b82,libproc_macro_nested-ffa3bbcba2661c54,libhttp-68bf7d7f3ff45727,libfnv-482e933a7efd9d4a,libbytes-0fc0170a881ee1b4,libiovec-c635212eed4d4a2f,libfailure-9dc745912685fa50,libbacktrace-86d6fd0cc556f14f,libbacktrace_sys-d72e0645993fb1f0,liblibc-5b8e7fe132d05a53,librustc_demangle-f8ef9a0ce423c059,libstdweb-a935888c5c5749f0,libdiscard-3a37112e4fbe4d29,libstdweb_internal_runtime-df339d4e54b6ae02,libserde_json-da39842dbee18380,libryu-965ae4486a4eb76a,libitoa-c289cf7c0995b5ce,libslab-4470baf83c26ff50,liblog-7ecad003719a91b9,libcfg_if-4ce52064b90f9455,libbincode-3a4ebc155e362795,libserde-259bda2738d3a7b1,libbyteorder-d33064028aa1dd0f,libanymap-05314bc40e289b3e}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/debug/deps/rustcdqFb3p/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/backtrace-sys-1f1888d752c4fff3/out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rustsweeper-71fe87332eb9cdba" "-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: undefined symbol: emscripten_asm_const_int
[INFO] [stdout]           >>> referenced by macros.rs:32 (src/webcore/macros.rs:32)
[INFO] [stdout]           >>>               stdweb-a935888c5c5749f0.stdweb.41f25835b03d1c58-cgu.13.rcgu.o:(_$LT$stdweb..webapi..events..mouse..ClickEvent$u20$as$u20$stdweb..webcore..instance_of..InstanceOf$GT$::instance_of::snippet::__cargo_web_snippet_906f13b1e97c3e6e6996c62d7584c4917315426d::hd27d92a31052b392) in archive /opt/rustwide/target/debug/deps/libstdweb-a935888c5c5749f0.rlib
[INFO] [stdout]           >>> referenced by macros.rs:32 (src/webcore/macros.rs:32)
[INFO] [stdout]           >>>               stdweb-a935888c5c5749f0.stdweb.41f25835b03d1c58-cgu.13.rcgu.o:(_$LT$stdweb..webapi..events..mouse..ContextMenuEvent$u20$as$u20$stdweb..webcore..instance_of..InstanceOf$GT$::instance_of::snippet::__cargo_web_snippet_eed6ef6ba0cb21c6d1a647a88df6fdef9a5f52b1::hd18893399beb4758) in archive /opt/rustwide/target/debug/deps/libstdweb-a935888c5c5749f0.rlib
[INFO] [stdout]           >>> referenced by macros.rs:101 (src/webcore/macros.rs:101)
[INFO] [stdout]           >>>               stdweb-a935888c5c5749f0.stdweb.41f25835b03d1c58-cgu.14.rcgu.o:(stdweb::webapi::element::IElement::class_list::snippet::__cargo_web_snippet_bb618d13cbb219642bd219af99ee1519e5658d77::hf06fc5f6842ed953) in archive /opt/rustwide/target/debug/deps/libstdweb-a935888c5c5749f0.rlib
[INFO] [stdout]           >>> referenced 52 more times
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: emscripten_pause_main_loop
[INFO] [stdout]           >>> referenced by emscripten.rs:11 (src/webcore/ffi/emscripten.rs:11)
[INFO] [stdout]           >>>               stdweb-a935888c5c5749f0.stdweb.41f25835b03d1c58-cgu.07.rcgu.o:(stdweb::webcore::ffi::emscripten::event_loop::h19ac9f29ba2d1a28) in archive /opt/rustwide/target/debug/deps/libstdweb-a935888c5c5749f0.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: emscripten_set_main_loop
[INFO] [stdout]           >>> referenced by emscripten.rs:11 (src/webcore/ffi/emscripten.rs:11)
[INFO] [stdout]           >>>               stdweb-a935888c5c5749f0.stdweb.41f25835b03d1c58-cgu.07.rcgu.o:(stdweb::webcore::ffi::emscripten::event_loop::h19ac9f29ba2d1a28) in archive /opt/rustwide/target/debug/deps/libstdweb-a935888c5c5749f0.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustsweeper` (bin "rustsweeper") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "33c7ca481b782985ba2057eceec2ea001e75e69759d7808fa8562ea717a20a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33c7ca481b782985ba2057eceec2ea001e75e69759d7808fa8562ea717a20a4c", kill_on_drop: false }`
[INFO] [stdout] 33c7ca481b782985ba2057eceec2ea001e75e69759d7808fa8562ea717a20a4c
