[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 1.55.0 for beta-1.56-1
[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-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scott-ad-riley/rusty-lunch-of-wasm on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-21/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7593e31c05cb0c183a161cb7cd94a277b0b48646f02f21d2065d03071d25d5f5
[INFO] running `Command { std: "docker" "start" "-a" "7593e31c05cb0c183a161cb7cd94a277b0b48646f02f21d2065d03071d25d5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7593e31c05cb0c183a161cb7cd94a277b0b48646f02f21d2065d03071d25d5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7593e31c05cb0c183a161cb7cd94a277b0b48646f02f21d2065d03071d25d5f5", kill_on_drop: false }`
[INFO] [stdout] 7593e31c05cb0c183a161cb7cd94a277b0b48646f02f21d2065d03071d25d5f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2366a970420b0b8163ad3711cdb52656e254e565f737a03facab07387203786
[INFO] running `Command { std: "docker" "start" "-a" "a2366a970420b0b8163ad3711cdb52656e254e565f737a03facab07387203786", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling serde v1.0.25
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling rand v0.4.1
[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 status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.4cru1a399c0e7usu.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librand-107fc5b1ba69886e.rlib" "/opt/rustwide/target/debug/deps/liblibc-6a0af67e49701ec5.rlib" "/opt/rustwide/target/debug/deps/libstdweb-1b9507a535702b27.rlib" "/opt/rustwide/target/debug/deps/libserde_json-2260b6e5136b687e.rlib" "/opt/rustwide/target/debug/deps/libdtoa-9104423d1982e9f9.rlib" "/opt/rustwide/target/debug/deps/libitoa-2f0b689ecbc10e9a.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-bb0467b6db0e1d7c.rlib" "/opt/rustwide/target/debug/deps/libserde-ceb09432745c1a9f.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-06f01ac2578bda94.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f9a3c3274a1835e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d4cbb754ee9f4daa.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-95c14e1c1e3ebcc4.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d489f0ca872880cc.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-75f07df0b18fea39.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c35b278736219a2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e530649c9a06e3c6.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-6b148909d375a785.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-cd15fa647f4775d1.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74be3a703f788ba2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8f2c5b445c28b2e3.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8480e85e0be96197.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ac23a75f6f42004e.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-557ba8776e04d182.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4beb03d03503c439.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-dd7db1bec6909f24.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.5.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-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.5.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/rusty_lunch_of_wasm-d55eb880f57cd793.rusty_lunch_of_wasm.89da398c-cgu.9.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/libstdweb-1b9507a535702b27.rlib(stdweb-1b9507a535702b27.stdweb.361659c7-cgu.13.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/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.2.0/src/webcore/initialization.rs:22: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-1b9507a535702b27.rlib(stdweb-1b9507a535702b27.stdweb.361659c7-cgu.13.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.2.0/src/webcore/initialization.rs:63: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[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` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a2366a970420b0b8163ad3711cdb52656e254e565f737a03facab07387203786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2366a970420b0b8163ad3711cdb52656e254e565f737a03facab07387203786", kill_on_drop: false }`
[INFO] [stdout] a2366a970420b0b8163ad3711cdb52656e254e565f737a03facab07387203786