[INFO] cloning repository https://github.com/gwen-bo/demo-rust-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gwen-bo/demo-rust-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwen-bo%2Fdemo-rust-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwen-bo%2Fdemo-rust-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbab3f470775be222836eae3419946ca4bc28066
[INFO] testing gwen-bo/demo-rust-lang against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwen-bo%2Fdemo-rust-lang" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gwen-bo/demo-rust-lang 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] started tweaking git repo https://github.com/gwen-bo/demo-rust-lang
[INFO] finished tweaking git repo https://github.com/gwen-bo/demo-rust-lang
[INFO] tweaked toml for git repo https://github.com/gwen-bo/demo-rust-lang written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/gwen-bo/demo-rust-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e64fbea4ee880f152a4e27d53f9d6ce3ab2e1fa1525f33c1b096c7bb688cd0ba
[INFO] running `Command { std: "docker" "start" "-a" "e64fbea4ee880f152a4e27d53f9d6ce3ab2e1fa1525f33c1b096c7bb688cd0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e64fbea4ee880f152a4e27d53f9d6ce3ab2e1fa1525f33c1b096c7bb688cd0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64fbea4ee880f152a4e27d53f9d6ce3ab2e1fa1525f33c1b096c7bb688cd0ba", kill_on_drop: false }`
[INFO] [stdout] e64fbea4ee880f152a4e27d53f9d6ce3ab2e1fa1525f33c1b096c7bb688cd0ba
[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" "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] c7bb62ffd52af210417e641006e303d51bf42b16b81613a737abf48da945c34f
[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" "c7bb62ffd52af210417e641006e303d51bf42b16b81613a737abf48da945c34f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling rust-demo v0.1.0 (/opt/rustwide/workdir)
[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/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6" "/opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.3my9vljk0r37ytq2.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/libstdweb-533831460b24f6a0.rlib" "/opt/rustwide/target/debug/deps/libdiscard-94ce9fa1d11eb511.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-3b80a53259382074.rlib" "/opt/rustwide/target/debug/deps/libserde_json-d57e7ab4dd5696f7.rlib" "/opt/rustwide/target/debug/deps/libryu-f21f59bb2c528cca.rlib" "/opt/rustwide/target/debug/deps/libitoa-e2fe8f436295d324.rlib" "/opt/rustwide/target/debug/deps/libserde-24c2f5257f3c4a2a.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/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.0.rcgu.o: in function `rust_demo::snake::Snake::new::snippet::__cargo_web_snippet_ad7d159412cc3f611a3ed6f04ff238a29b21a272':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.0.rcgu.o: in function `rust_demo::snake::Snake::new::snippet::__cargo_web_snippet_ad7d159412cc3f611a3ed6f04ff238a29b21a272':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.0.rcgu.o: in function `rust_demo::snake::Snake::new::snippet::__cargo_web_snippet_ad7d159412cc3f611a3ed6f04ff238a29b21a272':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.0.rcgu.o: in function `rust_demo::snake::Snake::new::snippet::__cargo_web_snippet_ad7d159412cc3f611a3ed6f04ff238a29b21a272':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.0.rcgu.o: in function `rust_demo::snake::Snake::update::snippet::__cargo_web_snippet_ad7d159412cc3f611a3ed6f04ff238a29b21a272':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rust_demo-8caf1b3bdac608f6.rust_demo.aulu4i3q-cgu.0.rcgu.o:/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-533831460b24f6a0.rlib(stdweb-533831460b24f6a0.stdweb.6qfzedfe-cgu.6.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/ffi/emscripten.rs:9: undefined reference to `emscripten_pause_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-533831460b24f6a0.rlib(stdweb-533831460b24f6a0.stdweb.6qfzedfe-cgu.6.rcgu.o): in function `stdweb::webapi::window::window::snippet::__cargo_web_snippet_0f503de1d61309643e0e13a7871406891e3691c9':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-533831460b24f6a0.rlib(stdweb-533831460b24f6a0.stdweb.6qfzedfe-cgu.6.rcgu.o): in function `stdweb::webapi::parent_node::IParentNode::query_selector::snippet::__cargo_web_snippet_a152e8d0e8fac5476f30c1d19e4ab217dbcba73d':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-533831460b24f6a0.rlib(stdweb-533831460b24f6a0.stdweb.6qfzedfe-cgu.6.rcgu.o): in function `stdweb::webapi::parent_node::IParentNode::query_selector::snippet::__cargo_web_snippet_b06dde4acf09433b5190a4b001259fe5d4abcbc2':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-533831460b24f6a0.rlib(stdweb-533831460b24f6a0.stdweb.6qfzedfe-cgu.6.rcgu.o): in function `stdweb::webapi::parent_node::IParentNode::query_selector::snippet::__cargo_web_snippet_ab05f53189dacccf2d365ad26daa407d4f7abea9':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-533831460b24f6a0.rlib(stdweb-533831460b24f6a0.stdweb.6qfzedfe-cgu.6.rcgu.o): in function `stdweb::webapi::parent_node::IParentNode::query_selector::snippet::__cargo_web_snippet_614a3dd2adb7e9eac4a0ec6e59d37f87e0521c3b':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-533831460b24f6a0.rlib(stdweb-533831460b24f6a0.stdweb.6qfzedfe-cgu.7.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:64: more undefined references to `emscripten_asm_const_int' follow
[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 `rust-demo`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c7bb62ffd52af210417e641006e303d51bf42b16b81613a737abf48da945c34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7bb62ffd52af210417e641006e303d51bf42b16b81613a737abf48da945c34f", kill_on_drop: false }`
[INFO] [stdout] c7bb62ffd52af210417e641006e303d51bf42b16b81613a737abf48da945c34f