[INFO] updating cached repository ahmad2smile/react-wasm-calendar
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ahmad2smile/react-wasm-calendar
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ahmad2smile/react-wasm-calendar" "work/ex/beta-1.38-1/sources/1.37.0/gh/ahmad2smile/react-wasm-calendar"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ahmad2smile/react-wasm-calendar'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ahmad2smile/react-wasm-calendar" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ahmad2smile/react-wasm-calendar"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ahmad2smile/react-wasm-calendar'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2ea03c50172f759e787376272a025cc3bb538db9
[INFO] sha for GitHub repo ahmad2smile/react-wasm-calendar: 2ea03c50172f759e787376272a025cc3bb538db9
[INFO] validating manifest of ahmad2smile/react-wasm-calendar on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ahmad2smile/react-wasm-calendar on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ahmad2smile/react-wasm-calendar
[INFO] finished frobbing ahmad2smile/react-wasm-calendar
[INFO] frobbed toml for ahmad2smile/react-wasm-calendar written to work/ex/beta-1.38-1/sources/1.37.0/gh/ahmad2smile/react-wasm-calendar/Cargo.toml
[INFO] started frobbing ahmad2smile/react-wasm-calendar
[INFO] finished frobbing ahmad2smile/react-wasm-calendar
[INFO] frobbed toml for ahmad2smile/react-wasm-calendar written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ahmad2smile/react-wasm-calendar/Cargo.toml
[INFO] crate ahmad2smile/react-wasm-calendar already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ahmad2smile/react-wasm-calendar against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ahmad2smile/react-wasm-calendar:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 23e52bccdd6c3e6815d2c24a7e850ef5d8f18c49d89f60f0b700634d16800502
[INFO] running `"docker" "start" "-a" "23e52bccdd6c3e6815d2c24a7e850ef5d8f18c49d89f60f0b700634d16800502"`
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.2
[INFO] [stderr]    Compiling base-x v0.2.3
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.2
[INFO] [stderr]    Compiling stdweb v0.4.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling calendar_wasm_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `stdweb::*`
[INFO] [stderr]  --> src/calendar.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use stdweb::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dates`
[INFO] [stderr]   --> src/calendar.rs:17:7
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let dates = Dates::new();
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_dates`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]   --> src/calendar.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]   --> src/calendar.rs:11:2
[INFO] [stderr]    |
[INFO] [stderr] 11 |     height: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_leap_year`
[INFO] [stderr]   --> src/dates.rs:40:2
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn is_leap_year(year: i32) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c" "/opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.4r65zapybmzpax5m.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libstdweb-c01850ad060fb8de.rlib" "/opt/crater/target/debug/deps/libdiscard-6f76a4d78d9d10a6.rlib" "/opt/crater/target/debug/deps/libstdweb_internal_runtime-467d0963d1a2f646.rlib" "/opt/crater/target/debug/deps/libserde_json-6dea98938d22e89d.rlib" "/opt/crater/target/debug/deps/libryu-7c08cdf6a5a70ae2.rlib" "/opt/crater/target/debug/deps/libitoa-e88dc09e47f282cc.rlib" "/opt/crater/target/debug/deps/libserde-48b6392c1eca142a.rlib" "/opt/crater/target/debug/deps/libchrono-24b5babe2f16a946.rlib" "/opt/crater/target/debug/deps/libnum_integer-a0cd07deade62d39.rlib" "/opt/crater/target/debug/deps/libnum_traits-6fcbcb1c96aaee98.rlib" "/opt/crater/target/debug/deps/libtime-bf60f3837e8a25f2.rlib" "/opt/crater/target/debug/deps/liblibc-724ab7746a37ab24.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.12.rcgu.o: In function `<stdweb::webcore::value::Reference as core::ops::drop::Drop>::drop':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/calendar_wasm_rust-af2f7c2d414c807c.calendar_wasm_rust.5bm4soma-cgu.15.rcgu.o: In function `stdweb::webapi::parent_node::IParentNode::query_selector':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-c01850ad060fb8de.rlib(stdweb-c01850ad060fb8de.stdweb.2iid645w-cgu.0.rcgu.o): In function `<stdweb::webapi::rendering_context::CanvasRenderingContext2d as stdweb::webapi::rendering_context::RenderingContext>::from_canvas':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/rendering_context.rs:289: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-c01850ad060fb8de.rlib(stdweb-c01850ad060fb8de.stdweb.2iid645w-cgu.0.rcgu.o): In function `stdweb::webapi::rendering_context::CanvasRenderingContext2d::set_fill_style_color':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/rendering_context.rs:377: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-c01850ad060fb8de.rlib(stdweb-c01850ad060fb8de.stdweb.2iid645w-cgu.0.rcgu.o): In function `stdweb::webapi::rendering_context::CanvasRenderingContext2d::set_font':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/rendering_context.rs:423: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-c01850ad060fb8de.rlib(stdweb-c01850ad060fb8de.stdweb.2iid645w-cgu.0.rcgu.o):/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/rendering_context.rs:765: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-c01850ad060fb8de.rlib(stdweb-c01850ad060fb8de.stdweb.2iid645w-cgu.4.rcgu.o): In function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/ffi/emscripten.rs:9: undefined reference to `emscripten_pause_main_loop'
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-c01850ad060fb8de.rlib(stdweb-c01850ad060fb8de.stdweb.2iid645w-cgu.6.rcgu.o): In function `<stdweb::webcore::value::Reference as core::ops::drop::Drop>::drop':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/value.rs:92: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `calendar_wasm_rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "23e52bccdd6c3e6815d2c24a7e850ef5d8f18c49d89f60f0b700634d16800502"`
[INFO] running `"docker" "rm" "-f" "23e52bccdd6c3e6815d2c24a7e850ef5d8f18c49d89f60f0b700634d16800502"`
[INFO] [stdout] 23e52bccdd6c3e6815d2c24a7e850ef5d8f18c49d89f60f0b700634d16800502