[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 1.54.0 for beta-1.55-1
[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 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 389012fd275d05163511b5160f8c33e3d50ab753b90130f3aacedc2a13d40419
[INFO] running `Command { std: "docker" "start" "-a" "389012fd275d05163511b5160f8c33e3d50ab753b90130f3aacedc2a13d40419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "389012fd275d05163511b5160f8c33e3d50ab753b90130f3aacedc2a13d40419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "389012fd275d05163511b5160f8c33e3d50ab753b90130f3aacedc2a13d40419", kill_on_drop: false }`
[INFO] [stdout] 389012fd275d05163511b5160f8c33e3d50ab753b90130f3aacedc2a13d40419
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26727cb08c6f70d0b3e656c6128ac4d6e1118b8a895bd61d68d891e0540a11d4
[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" "26727cb08c6f70d0b3e656c6128ac4d6e1118b8a895bd61d68d891e0540a11d4", kill_on_drop: false }`
[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 status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.4ixglbvuvmeonist.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librand-32bdbc35c00f33be.rlib" "/opt/rustwide/target/debug/deps/liblibc-dc73e6b5aaf8c142.rlib" "/opt/rustwide/target/debug/deps/libstdweb-31e70d245fc41746.rlib" "/opt/rustwide/target/debug/deps/libserde_json-8a461ab957992be5.rlib" "/opt/rustwide/target/debug/deps/libdtoa-8301410d92a10f25.rlib" "/opt/rustwide/target/debug/deps/libitoa-7088585b6c36b0ca.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-e106b74f130aa848.rlib" "/opt/rustwide/target/debug/deps/libserde-d5a5d4da9757fe0e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2420485b9e5ef5e1.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-785e3cb61c4b1960.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-087191a88bdaa22d.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9981842c02975178.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6fb405869b015fde.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d05c5c3c56004b7b.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-42d74d2097528b38.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fb36534c113d2209.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b56b9042c12b6535.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-491902d6cb3e76df.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-61834e0981b8c367.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f78aa99d613a55bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-53ee54cd7fed2c57.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-544ecdbd6cda3c58.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-379cc252b6943a79.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8063eea38dcc5e62.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5b228734afae15ee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d6c7a399d95d173f.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/rusty_lunch_of_wasm-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.12.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-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.15.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-36408be99a520259.rusty_lunch_of_wasm.eyr4an97-cgu.8.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-31e70d245fc41746.rlib(stdweb-31e70d245fc41746.stdweb.8ggjxdyh-cgu.2.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-31e70d245fc41746.rlib(stdweb-31e70d245fc41746.stdweb.8ggjxdyh-cgu.2.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] 
[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" "26727cb08c6f70d0b3e656c6128ac4d6e1118b8a895bd61d68d891e0540a11d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26727cb08c6f70d0b3e656c6128ac4d6e1118b8a895bd61d68d891e0540a11d4", kill_on_drop: false }`
[INFO] [stdout] 26727cb08c6f70d0b3e656c6128ac4d6e1118b8a895bd61d68d891e0540a11d4
