[INFO] crate webbing 0.1.0 is already in cache
[INFO] testing webbing-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate webbing 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate webbing 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking crates.io crate webbing 0.1.0
[INFO] finished tweaking crates.io crate webbing 0.1.0
[INFO] tweaked toml for crates.io crate webbing 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /workspace/builds/worker-0/source/src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: path `/workspace/builds/worker-0/source/src/main.rs` was erroneously implicitly accepted for binary `webbing-test`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 01085636e43dc636f472b30f616c3e4662ad87d7e41e251b1185d57f6d1ad16d
[INFO] running `Command { std: "docker" "start" "-a" "01085636e43dc636f472b30f616c3e4662ad87d7e41e251b1185d57f6d1ad16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01085636e43dc636f472b30f616c3e4662ad87d7e41e251b1185d57f6d1ad16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01085636e43dc636f472b30f616c3e4662ad87d7e41e251b1185d57f6d1ad16d", kill_on_drop: false }`
[INFO] [stdout] 01085636e43dc636f472b30f616c3e4662ad87d7e41e251b1185d57f6d1ad16d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33dfd1fd1da7cd5a7465bc90a3000c25cb77504aa56f7bc0929ddf152405f474
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "33dfd1fd1da7cd5a7465bc90a3000c25cb77504aa56f7bc0929ddf152405f474", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/rustwide/workdir/src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/main.rs` was erroneously implicitly accepted for binary `webbing-test`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling webbing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:344:30
[INFO] [stdout]     |
[INFO] [stdout] 344 |     refs: Rc<RefCell<Vec<Box<FnMut(Event<'a>) + 'a>>>>,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Event<'a>) + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d" "/opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.41asipms43yy2ia1.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libwebbing-3f678ce059e3b017.rlib" "/opt/rustwide/target/debug/deps/liblibc-1da13201d615d981.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/webbing_test-71fa7f4ad207944d.webbing_test.56scrz0t-cgu.6.rcgu.o: in function `webbing::HtmlNode::on':
[INFO] [stdout]           /opt/rustwide/workdir/src/lib.rs:53: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libwebbing-3f678ce059e3b017.rlib(webbing-3f678ce059e3b017.webbing.90ccdtit-cgu.1.rcgu.o): in function `webbing::HtmlNode::prop_set_str':
[INFO] [stdout]           /opt/rustwide/workdir/src/lib.rs:259: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libwebbing-3f678ce059e3b017.rlib(webbing-3f678ce059e3b017.webbing.90ccdtit-cgu.1.rcgu.o): in function `webbing::HtmlNode::prop_get_i32':
[INFO] [stdout]           /opt/rustwide/workdir/src/lib.rs:265: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libwebbing-3f678ce059e3b017.rlib(webbing-3f678ce059e3b017.webbing.90ccdtit-cgu.1.rcgu.o): in function `webbing::HtmlNode::prop_get_str':
[INFO] [stdout]           /opt/rustwide/workdir/src/lib.rs:271: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libwebbing-3f678ce059e3b017.rlib(webbing-3f678ce059e3b017.webbing.90ccdtit-cgu.1.rcgu.o): in function `webbing::HtmlNode::append':
[INFO] [stdout]           /opt/rustwide/workdir/src/lib.rs:280: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libwebbing-3f678ce059e3b017.rlib(webbing-3f678ce059e3b017.webbing.90ccdtit-cgu.1.rcgu.o):/opt/rustwide/workdir/src/lib.rs:286: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libwebbing-3f678ce059e3b017.rlib(webbing-3f678ce059e3b017.webbing.90ccdtit-cgu.1.rcgu.o): in function `webbing::leavemebe':
[INFO] [stdout]           /opt/rustwide/workdir/src/lib.rs:508: undefined reference to `emscripten_pause_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libwebbing-3f678ce059e3b017.rlib(webbing-3f678ce059e3b017.webbing.90ccdtit-cgu.1.rcgu.o): in function `webbing::spin':
[INFO] [stdout]           /opt/rustwide/workdir/src/lib.rs:514: undefined reference to `emscripten_set_main_loop'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webbing`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "33dfd1fd1da7cd5a7465bc90a3000c25cb77504aa56f7bc0929ddf152405f474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33dfd1fd1da7cd5a7465bc90a3000c25cb77504aa56f7bc0929ddf152405f474", kill_on_drop: false }`
[INFO] [stdout] 33dfd1fd1da7cd5a7465bc90a3000c25cb77504aa56f7bc0929ddf152405f474