[INFO] cloning repository https://github.com/just-arun/old_iron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/just-arun/old_iron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjust-arun%2Fold_iron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjust-arun%2Fold_iron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8726e2ba11efb512aecd32ca6b907b54117bfb16
[INFO] testing just-arun/old_iron 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%2Fjust-arun%2Fold_iron" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/just-arun/old_iron
[INFO] finished tweaking git repo https://github.com/just-arun/old_iron
[INFO] tweaked toml for git repo https://github.com/just-arun/old_iron written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/just-arun/old_iron 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/just-arun/old_iron 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fb5446151b6d0ee56e05b1d727fca0a986c7ad16e5fdeb8db22e98a87c5e8253
[INFO] running `Command { std: "docker" "start" "-a" "fb5446151b6d0ee56e05b1d727fca0a986c7ad16e5fdeb8db22e98a87c5e8253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb5446151b6d0ee56e05b1d727fca0a986c7ad16e5fdeb8db22e98a87c5e8253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5446151b6d0ee56e05b1d727fca0a986c7ad16e5fdeb8db22e98a87c5e8253", kill_on_drop: false }`
[INFO] [stdout] fb5446151b6d0ee56e05b1d727fca0a986c7ad16e5fdeb8db22e98a87c5e8253
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cc7dffbda4518fe70a711948804273d5c1ffd58d45aab26be8f3d4697efa8883
[INFO] running `Command { std: "docker" "start" "-a" "cc7dffbda4518fe70a711948804273d5c1ffd58d45aab26be8f3d4697efa8883", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling web 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/rustcGxmpGZ/symbols.o" "<3 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libstdweb-a717bd8f07db386d,libdiscard-3a37112e4fbe4d29,libstdweb_internal_runtime-ec61107103b5dd4f,libserde_json-e9eea80e54aadd2c,libryu-bfbe7481d7c9af51,libitoa-4806b24cfa127786,libserde-d96170c220ce4a5f}.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" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/debug/deps/rustcGxmpGZ/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" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/web-8402ae5bfbbed3be" "-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:139 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stdweb-0.4.20/src/webcore/macros.rs:139)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/web-8402ae5bfbbed3be.web.adae9287259d9b07-cgu.0.rcgu.o:(web::on_mouse_click::snippet::__cargo_web_snippet_8ac85f6f7d8d2c7a5411feb115a1fc72d713e39c::ha1df72a660263eab)
[INFO] [stdout]           >>> referenced by macros.rs:139 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stdweb-0.4.20/src/webcore/macros.rs:139)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/web-8402ae5bfbbed3be.web.adae9287259d9b07-cgu.0.rcgu.o:(web::on_key::snippet::__cargo_web_snippet_d7e8d583ab25cab43e46b8259eaf81008ad7c207::h2e43194e8eeb540e)
[INFO] [stdout]           >>> referenced by macros.rs:64 (src/webcore/macros.rs:64)
[INFO] [stdout]           >>>               stdweb-a717bd8f07db386d.stdweb.df3037205e9de675-cgu.00.rcgu.o:(_$LT$stdweb..webapi..rendering_context..CanvasRenderingContext2d$u20$as$u20$stdweb..webcore..instance_of..InstanceOf$GT$::instance_of::snippet::__cargo_web_snippet_550049fd354fc2e2d13b8dacf6ebece3de7d60a0::h131eee4d3c34dfa5) in archive /opt/rustwide/target/debug/deps/libstdweb-a717bd8f07db386d.rlib
[INFO] [stdout]           >>> referenced 26 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-a717bd8f07db386d.stdweb.df3037205e9de675-cgu.04.rcgu.o:(stdweb::webcore::ffi::emscripten::event_loop::h9e3a02edc9274e30) in archive /opt/rustwide/target/debug/deps/libstdweb-a717bd8f07db386d.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-a717bd8f07db386d.stdweb.df3037205e9de675-cgu.04.rcgu.o:(stdweb::webcore::ffi::emscripten::event_loop::h9e3a02edc9274e30) in archive /opt/rustwide/target/debug/deps/libstdweb-a717bd8f07db386d.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `web` (bin "web") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "cc7dffbda4518fe70a711948804273d5c1ffd58d45aab26be8f3d4697efa8883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7dffbda4518fe70a711948804273d5c1ffd58d45aab26be8f3d4697efa8883", kill_on_drop: false }`
[INFO] [stdout] cc7dffbda4518fe70a711948804273d5c1ffd58d45aab26be8f3d4697efa8883
