[INFO] fetching crate js-promises 0.1.0...
[INFO] testing js-promises-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate js-promises 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate js-promises 0.1.0
[INFO] finished tweaking crates.io crate js-promises 0.1.0
[INFO] tweaked toml for crates.io crate js-promises 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate js-promises 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate js-promises 0.1.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cd415e009ba19d267d4ad0708f4bb83c69285c3f8dfb145567f31591a26c994
[INFO] running `Command { std: "docker" "start" "-a" "6cd415e009ba19d267d4ad0708f4bb83c69285c3f8dfb145567f31591a26c994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cd415e009ba19d267d4ad0708f4bb83c69285c3f8dfb145567f31591a26c994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd415e009ba19d267d4ad0708f4bb83c69285c3f8dfb145567f31591a26c994", kill_on_drop: false }`
[INFO] [stdout] 6cd415e009ba19d267d4ad0708f4bb83c69285c3f8dfb145567f31591a26c994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c612601fdebb43418bb89309c9825029897f7054859b2e61b3227e8f1d8b4cf8
[INFO] running `Command { std: "docker" "start" "-a" "c612601fdebb43418bb89309c9825029897f7054859b2e61b3227e8f1d8b4cf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling base-x v0.2.5
[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 stdweb v0.4.20
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]    Compiling js-promises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: stdweb v0.4.20
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "c612601fdebb43418bb89309c9825029897f7054859b2e61b3227e8f1d8b4cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c612601fdebb43418bb89309c9825029897f7054859b2e61b3227e8f1d8b4cf8", kill_on_drop: false }`
[INFO] [stdout] c612601fdebb43418bb89309c9825029897f7054859b2e61b3227e8f1d8b4cf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1463f65ab3dd8b0d2f01c80938e0e43b2c618fc144ef31026783f51b3b7efb58
[INFO] running `Command { std: "docker" "start" "-a" "1463f65ab3dd8b0d2f01c80938e0e43b2c618fc144ef31026783f51b3b7efb58", kill_on_drop: false }`
[INFO] [stderr]    Compiling js-promises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `std::panic::PanicInfo`: use `PanicHookInfo` instead
[INFO] [stdout]  --> examples/basic_http.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn panic_hook(info: &panic::PanicInfo) {
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | #![cfg_attr(test, feature(linkage))]
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustc1PmcRu/symbols.o" "<5 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libjs_promises-97e675d96b070302,libstdweb-4ec2aa656d99cb8a,libdiscard-42c070064d5e00ee,libstdweb_internal_runtime-90d250613f5b1f86,libserde_json-db3a26207828bc51,libryu-3b13bbcdc8db8017,libitoa-ef69a9d95e60733f,libserde-2573dfa115b71f11}.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" "/tmp/rustc1PmcRu/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/examples/basic_http-cf220e024cbf7081" "-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/examples/basic_http-cf220e024cbf7081.basic_http.c88e48ab85e12a42-cgu.3.rcgu.o:(basic_http::panic_hook::snippet::__cargo_web_snippet_4fd31c9e56d40b8642cf9e6f96fd6b570f355cea::hd8bacf4b3a7741df)
[INFO] [stdout]           >>> referenced by macros.rs:149 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stdweb-0.4.20/src/webcore/macros.rs:149)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/examples/basic_http-cf220e024cbf7081.basic_http.c88e48ab85e12a42-cgu.3.rcgu.o:(basic_http::panic_hook::snippet::__cargo_web_snippet_e0829adc39654ffe8f218b2b04ee78725ebb9422::h4e5e07eda9e86780)
[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/examples/basic_http-cf220e024cbf7081.basic_http.c88e48ab85e12a42-cgu.3.rcgu.o:(basic_http::main::_$u7b$$u7b$closure$u7d$$u7d$::snippet::__cargo_web_snippet_199d5eb25dfe761687bcd487578eb7e636bd9650::h29a5ced6b3464294)
[INFO] [stdout]           >>> referenced 29 more times
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `js-promises` (example "basic_http") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcZfh6Hj/symbols.o" "<3 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libjs_promises-97e675d96b070302,libstdweb-4ec2aa656d99cb8a,libdiscard-42c070064d5e00ee,libstdweb_internal_runtime-90d250613f5b1f86,libserde_json-db3a26207828bc51,libryu-3b13bbcdc8db8017,libitoa-ef69a9d95e60733f,libserde-2573dfa115b71f11}.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" "/tmp/rustcZfh6Hj/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/examples/panicking-9e262bce5082123d" "-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:149 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stdweb-0.4.20/src/webcore/macros.rs:149)
[INFO] [stdout]           >>>               js_promises-97e675d96b070302.js_promises.d63407c56c9b2dec-cgu.0.rcgu.o:(js_promises::RawPromise::new_resolved::snippet::__cargo_web_snippet_3459c0f8c119aa7f0a25a70979355197fc6c3cac::hf557a525838434c3) in archive /opt/rustwide/target/debug/deps/libjs_promises-97e675d96b070302.rlib
[INFO] [stdout]           >>> referenced by macros.rs:149 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stdweb-0.4.20/src/webcore/macros.rs:149)
[INFO] [stdout]           >>>               js_promises-97e675d96b070302.js_promises.d63407c56c9b2dec-cgu.0.rcgu.o:(js_promises::RawPromise::then::snippet::__cargo_web_snippet_51faf64d4f7e170333820b51419b417d65c7bb69::hd33b063aa98a4e08) in archive /opt/rustwide/target/debug/deps/libjs_promises-97e675d96b070302.rlib
[INFO] [stdout]           >>> referenced by macros.rs:149 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stdweb-0.4.20/src/webcore/macros.rs:149)
[INFO] [stdout]           >>>               js_promises-97e675d96b070302.js_promises.d63407c56c9b2dec-cgu.0.rcgu.o:(js_promises::invoke_tried::snippet::__cargo_web_snippet_0ebf077cc5ec4047dacb273a86aa646332ab09d5::hfeebedcdf52ac025) in archive /opt/rustwide/target/debug/deps/libjs_promises-97e675d96b070302.rlib
[INFO] [stdout]           >>> referenced 15 more times
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `js-promises` (example "panicking") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `js-promises` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "1463f65ab3dd8b0d2f01c80938e0e43b2c618fc144ef31026783f51b3b7efb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1463f65ab3dd8b0d2f01c80938e0e43b2c618fc144ef31026783f51b3b7efb58", kill_on_drop: false }`
[INFO] [stdout] 1463f65ab3dd8b0d2f01c80938e0e43b2c618fc144ef31026783f51b3b7efb58