[INFO] crate stdweb 0.4.18 is already in cache
[INFO] extracting crate stdweb 0.4.18 into work/ex/beta-1.38-1/sources/1.37.0/reg/stdweb/0.4.18
[INFO] extracting crate stdweb 0.4.18 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stdweb/0.4.18
[INFO] validating manifest of stdweb-0.4.18 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stdweb-0.4.18 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stdweb-0.4.18
[INFO] finished frobbing stdweb-0.4.18
[INFO] frobbed toml for stdweb-0.4.18 written to work/ex/beta-1.38-1/sources/1.37.0/reg/stdweb/0.4.18/Cargo.toml
[INFO] started frobbing stdweb-0.4.18
[INFO] finished frobbing stdweb-0.4.18
[INFO] frobbed toml for stdweb-0.4.18 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stdweb/0.4.18/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing stdweb-0.4.18 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stdweb/0.4.18:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] d36c3bb321d53020eda7a2b924f04f39a5a0f3b366a830b27bb9a909b695a3a5
[INFO] running `"docker" "start" "-a" "d36c3bb321d53020eda7a2b924f04f39a5a0f3b366a830b27bb9a909b695a3a5"`
[INFO] [stderr]    Compiling stdweb v0.4.18 (/opt/crater/workdir)
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.7
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/webapi/node.rs:347:1
[INFO] [stderr]     |
[INFO] [stderr] 347 |   /// Errors thrown by `Node` insertion methods.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 348 | / error_enum_boilerplate! {
[INFO] [stderr] 349 | |     InsertNodeError,
[INFO] [stderr] 350 | |     NotFoundError, HierarchyRequestError
[INFO] [stderr] 351 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/webapi/element.rs:302:1
[INFO] [stderr]     |
[INFO] [stderr] 302 |   /// Errors thrown by `Element::insert_adjacent_html`.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 303 | / error_enum_boilerplate! {
[INFO] [stderr] 304 | |     InsertAdjacentError,
[INFO] [stderr] 305 | |     NoModificationAllowedError, SyntaxError
[INFO] [stderr] 306 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/webapi/web_socket.rs:280:1
[INFO] [stderr]     |
[INFO] [stderr] 280 |   /// Errors thrown by `WebSocket::new`.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 281 | / error_enum_boilerplate! {
[INFO] [stderr] 282 | |     CreationError,
[INFO] [stderr] 283 | |     SecurityError, SyntaxError
[INFO] [stderr] 284 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/webapi/web_socket.rs:286:1
[INFO] [stderr]     |
[INFO] [stderr] 286 |   /// Errors thrown by `WebSocket::close_with_status`.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 287 | / error_enum_boilerplate! {
[INFO] [stderr] 288 | |     CloseError,
[INFO] [stderr] 289 | |     InvalidAccessError, SyntaxError
[INFO] [stderr] 290 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/webcore/promise.rs:315:5
[INFO] [stderr]     |
[INFO] [stderr] 315 |     pub(crate) fn new( promise: Promise ) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.79s
[INFO] running `"docker" "inspect" "d36c3bb321d53020eda7a2b924f04f39a5a0f3b366a830b27bb9a909b695a3a5"`
[INFO] running `"docker" "rm" "-f" "d36c3bb321d53020eda7a2b924f04f39a5a0f3b366a830b27bb9a909b695a3a5"`
[INFO] [stdout] d36c3bb321d53020eda7a2b924f04f39a5a0f3b366a830b27bb9a909b695a3a5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stdweb/0.4.18:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] c22fb268dd16b18bc01705be9f8d253aed1e24196e8e9141fc13be6ad3049e62
[INFO] running `"docker" "start" "-a" "c22fb268dd16b18bc01705be9f8d253aed1e24196e8e9141fc13be6ad3049e62"`
[INFO] [stderr]    Compiling stdweb v0.4.18 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/webapi/node.rs:347:1
[INFO] [stderr]     |
[INFO] [stderr] 347 |   /// Errors thrown by `Node` insertion methods.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 348 | / error_enum_boilerplate! {
[INFO] [stderr] 349 | |     InsertNodeError,
[INFO] [stderr] 350 | |     NotFoundError, HierarchyRequestError
[INFO] [stderr] 351 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/webapi/element.rs:302:1
[INFO] [stderr]     |
[INFO] [stderr] 302 |   /// Errors thrown by `Element::insert_adjacent_html`.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 303 | / error_enum_boilerplate! {
[INFO] [stderr] 304 | |     InsertAdjacentError,
[INFO] [stderr] 305 | |     NoModificationAllowedError, SyntaxError
[INFO] [stderr] 306 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/webapi/web_socket.rs:280:1
[INFO] [stderr]     |
[INFO] [stderr] 280 |   /// Errors thrown by `WebSocket::new`.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 281 | / error_enum_boilerplate! {
[INFO] [stderr] 282 | |     CreationError,
[INFO] [stderr] 283 | |     SecurityError, SyntaxError
[INFO] [stderr] 284 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/webapi/web_socket.rs:286:1
[INFO] [stderr]     |
[INFO] [stderr] 286 |   /// Errors thrown by `WebSocket::close_with_status`.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 287 | / error_enum_boilerplate! {
[INFO] [stderr] 288 | |     CloseError,
[INFO] [stderr] 289 | |     InvalidAccessError, SyntaxError
[INFO] [stderr] 290 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/webcore/promise.rs:315:5
[INFO] [stderr]     |
[INFO] [stderr] 315 |     pub(crate) fn new( promise: Promise ) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed" "/opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.543hli6eq7fe0fe3.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-f0d86b2ef6410e4f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-28a84d78fba0104f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-625008d0a6744ece.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-b85c11af396739da.rlib" "/opt/crater/target/debug/deps/libdiscard-9c096ff64b75fbcb.rlib" "/opt/crater/target/debug/deps/libstdweb_internal_runtime-63735cab0bb7c025.rlib" "/opt/crater/target/debug/deps/libserde_json-0c53888b338bdcbb.rlib" "/opt/crater/target/debug/deps/libryu-a9583eff3872e809.rlib" "/opt/crater/target/debug/deps/libitoa-fbd08118d5c2ed14.rlib" "/opt/crater/target/debug/deps/libserde-5125a48878b1da57.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.rlib" "-Wl,-Bdynamic" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.0.rcgu.o: In function `stdweb::webcore::initialization::initialize::snippet::__cargo_web_snippet_cd8fa1f319db03ff32eea7c79bdb279c430a87ef':
[INFO] [stderr]           /opt/crater/workdir/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.0.rcgu.o: In function `stdweb::webcore::initialization::initialize::{{closure}}::snippet::__cargo_web_snippet_dc2fd915bd92f9e9c6a3bd15174f1414eee3dbaf':
[INFO] [stderr]           /opt/crater/workdir/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.0.rcgu.o: In function `stdweb::webcore::initialization::initialize::{{closure}}::snippet::__cargo_web_snippet_97495987af1720d8a9a923fa4683a7b683e3acd6':
[INFO] [stderr]           /opt/crater/workdir/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.0.rcgu.o: In function `stdweb::webcore::initialization::initialize::{{closure}}::snippet::__cargo_web_snippet_72fc447820458c720c68d0d8e078ede631edd723':
[INFO] [stderr]           /opt/crater/workdir/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.0.rcgu.o: In function `stdweb::webcore::global_arena::reserve_impl::snippet::__cargo_web_snippet_285aac3fba72d67cb459d37d4d21aa4fb62598ba':
[INFO] [stderr]           /opt/crater/workdir/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/stdweb-febfa39ddaaf87ed.stdweb.czap70ez-cgu.0.rcgu.o:/opt/crater/workdir/src/webcore/macros.rs:32: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `stdweb`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c22fb268dd16b18bc01705be9f8d253aed1e24196e8e9141fc13be6ad3049e62"`
[INFO] running `"docker" "rm" "-f" "c22fb268dd16b18bc01705be9f8d253aed1e24196e8e9141fc13be6ad3049e62"`
[INFO] [stdout] c22fb268dd16b18bc01705be9f8d253aed1e24196e8e9141fc13be6ad3049e62