[INFO] cloning repository https://github.com/scott-ad-riley/rusty-lunch-of-wasm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scott-ad-riley/rusty-lunch-of-wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscott-ad-riley%2Frusty-lunch-of-wasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscott-ad-riley%2Frusty-lunch-of-wasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ccfbf086afb5ea1bf8077d5fd136eebf0a8e2cd
[INFO] testing scott-ad-riley/rusty-lunch-of-wasm against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscott-ad-riley%2Frusty-lunch-of-wasm" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scott-ad-riley/rusty-lunch-of-wasm on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scott-ad-riley/rusty-lunch-of-wasm
[INFO] finished tweaking git repo https://github.com/scott-ad-riley/rusty-lunch-of-wasm
[INFO] tweaked toml for git repo https://github.com/scott-ad-riley/rusty-lunch-of-wasm written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/scott-ad-riley/rusty-lunch-of-wasm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.2
[INFO] [stderr]   Downloaded serde_json v1.0.8
[INFO] [stderr]   Downloaded rand v0.4.1
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.2
[INFO] [stderr]   Downloaded serde v1.0.25
[INFO] [stderr]   Downloaded stdweb v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4f3f6d9ca6ea996e91d06cef675ecce4381a6daa6ff895e90976bcab31f347f
[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" "a4f3f6d9ca6ea996e91d06cef675ecce4381a6daa6ff895e90976bcab31f347f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4f3f6d9ca6ea996e91d06cef675ecce4381a6daa6ff895e90976bcab31f347f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f3f6d9ca6ea996e91d06cef675ecce4381a6daa6ff895e90976bcab31f347f", kill_on_drop: false }`
[INFO] [stdout] a4f3f6d9ca6ea996e91d06cef675ecce4381a6daa6ff895e90976bcab31f347f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f81c82f490ae6ba172602b1530eedb84fff8b869c0f336fd99b0e1a8a9e6cbe4
[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" "f81c82f490ae6ba172602b1530eedb84fff8b869c0f336fd99b0e1a8a9e6cbe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling serde v1.0.25
[INFO] [stderr]    Compiling serde_json v1.0.8
[INFO] [stderr]    Compiling stdweb v0.2.0
[INFO] [stderr]    Compiling rusty-lunch-of-wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `choice`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let choice = rng.choose(&FOOD_PLACES).unwrap();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_choice`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.15qo5dbte50yq0gw.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librand-e075c68cb47cd4cd.rlib" "/opt/rustwide/target/debug/deps/liblibc-b958f34ee3e6fabf.rlib" "/opt/rustwide/target/debug/deps/libstdweb-708616bff6c997cc.rlib" "/opt/rustwide/target/debug/deps/libserde_json-af051bd6fede518f.rlib" "/opt/rustwide/target/debug/deps/libdtoa-61840fb9d504812a.rlib" "/opt/rustwide/target/debug/deps/libitoa-77ed125fcffa28d1.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-6ed4647bb376c53d.rlib" "/opt/rustwide/target/debug/deps/libserde-78a95fc70049b4da.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.12.rcgu.o: in function `stdweb::webcore::value::Reference::from_raw_unchecked':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.2.0/src/webcore/value.rs:29: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.3.rcgu.o: in function `<stdweb::webcore::newtype::Newtype<(stdweb::webcore::serialization::FunctionTag,()),F> as stdweb::webcore::serialization::FuncallAdapter<F>>::funcall_adapter':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.2.0/src/webcore/serialization.rs:948: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-7c0df87ee32b929b.rusty_lunch_of_wasm.6kyr9jy3-cgu.6.rcgu.o: in function `rusty_lunch_of_wasm::main':
[INFO] [stdout]           /opt/rustwide/workdir/src/main.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-708616bff6c997cc.rlib(stdweb-708616bff6c997cc.stdweb.dl4axgcm-cgu.11.rcgu.o): in function `<stdweb::webcore::value::Reference as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.2.0/src/webcore/value.rs:59: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-708616bff6c997cc.rlib(stdweb-708616bff6c997cc.stdweb.dl4axgcm-cgu.15.rcgu.o): in function `stdweb::webcore::initialization::initialize':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.2.0/src/webcore/initialization.rs:17: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-708616bff6c997cc.rlib(stdweb-708616bff6c997cc.stdweb.dl4axgcm-cgu.15.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.2.0/src/webcore/initialization.rs:22: 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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-lunch-of-wasm`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f81c82f490ae6ba172602b1530eedb84fff8b869c0f336fd99b0e1a8a9e6cbe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f81c82f490ae6ba172602b1530eedb84fff8b869c0f336fd99b0e1a8a9e6cbe4", kill_on_drop: false }`
[INFO] [stdout] f81c82f490ae6ba172602b1530eedb84fff8b869c0f336fd99b0e1a8a9e6cbe4
