[INFO] fetching crate webplatform 0.4.2...
[INFO] testing webplatform-0.4.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate webplatform 0.4.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate webplatform 0.4.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking crates.io crate webplatform 0.4.2
[INFO] finished tweaking crates.io crate webplatform 0.4.2
[INFO] tweaked toml for crates.io crate webplatform 0.4.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-2/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-2/source/src/main.rs` was erroneously implicitly accepted for binary `webplatform-test`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d792211ac85ac603f953c87275bae53b4e55bb558f4a2928d202b528ec78ba91
[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" "d792211ac85ac603f953c87275bae53b4e55bb558f4a2928d202b528ec78ba91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d792211ac85ac603f953c87275bae53b4e55bb558f4a2928d202b528ec78ba91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d792211ac85ac603f953c87275bae53b4e55bb558f4a2928d202b528ec78ba91", kill_on_drop: false }`
[INFO] [stdout] d792211ac85ac603f953c87275bae53b4e55bb558f4a2928d202b528ec78ba91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 450b45e3c1553109f15743b5e00e739e9b1fdbbf959596af22c5d9ce71cabcb9
[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" "450b45e3c1553109f15743b5e00e739e9b1fdbbf959596af22c5d9ce71cabcb9", 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 `webplatform-test`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling webplatform v0.4.2 (/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] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate webplatform;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3" "/opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.22xaaiw8umrxrnk6.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libwebplatform-c606a9b36c20f3da.rlib" "/opt/rustwide/target/debug/deps/liblibc-77d6541a42757d2c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/webplatform_test-b6343c3d8939fcb3.webplatform_test.c4igny07-cgu.6.rcgu.o: in function `webplatform::HtmlNode::on':
[INFO] [stdout]           /opt/rustwide/workdir/src/lib.rs:301: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libwebplatform-c606a9b36c20f3da.rlib(webplatform-c606a9b36c20f3da.webplatform.8htguebz-cgu.1.rcgu.o): in function `webplatform::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/libwebplatform-c606a9b36c20f3da.rlib(webplatform-c606a9b36c20f3da.webplatform.8htguebz-cgu.1.rcgu.o): in function `webplatform::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/libwebplatform-c606a9b36c20f3da.rlib(webplatform-c606a9b36c20f3da.webplatform.8htguebz-cgu.1.rcgu.o): in function `webplatform::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/libwebplatform-c606a9b36c20f3da.rlib(webplatform-c606a9b36c20f3da.webplatform.8htguebz-cgu.1.rcgu.o): in function `webplatform::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/libwebplatform-c606a9b36c20f3da.rlib(webplatform-c606a9b36c20f3da.webplatform.8htguebz-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/libwebplatform-c606a9b36c20f3da.rlib(webplatform-c606a9b36c20f3da.webplatform.8htguebz-cgu.1.rcgu.o): in function `webplatform::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/libwebplatform-c606a9b36c20f3da.rlib(webplatform-c606a9b36c20f3da.webplatform.8htguebz-cgu.1.rcgu.o): in function `webplatform::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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webplatform`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "450b45e3c1553109f15743b5e00e739e9b1fdbbf959596af22c5d9ce71cabcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450b45e3c1553109f15743b5e00e739e9b1fdbbf959596af22c5d9ce71cabcb9", kill_on_drop: false }`
[INFO] [stdout] 450b45e3c1553109f15743b5e00e739e9b1fdbbf959596af22c5d9ce71cabcb9