[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-1.37-6/sources/1.36.0/gh/ahmad2smile/react-wasm-calendar"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ahmad2smile/react-wasm-calendar'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ahmad2smile/react-wasm-calendar" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ahmad2smile/react-wasm-calendar"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ahmad2smile/react-wasm-calendar on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ahmad2smile/react-wasm-calendar against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] f13128980ee0ef6f35882bec76c5a1f77e10dcf1a6bfce241e1c323f989442cf
[INFO] running `"docker" "start" "-a" "f13128980ee0ef6f35882bec76c5a1f77e10dcf1a6bfce241e1c323f989442cf"`
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.2
[INFO] [stderr]    Compiling stdweb v0.4.10
[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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8" "/opt/crater/target/debug/deps/calendar_wasm_rust-c993204c848e51a8.534rh474tuung3up.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libstdweb-ca974c815149ea19.rlib" "/opt/crater/target/debug/deps/libdiscard-48a5453cc88bfde7.rlib" "/opt/crater/target/debug/deps/libstdweb_internal_runtime-26918f95e8194faf.rlib" "/opt/crater/target/debug/deps/libserde_json-760cb05cc48d806f.rlib" "/opt/crater/target/debug/deps/libryu-0a79168f3ba04445.rlib" "/opt/crater/target/debug/deps/libitoa-5ac5fbad12f6c895.rlib" "/opt/crater/target/debug/deps/libserde-388174e9c22810f7.rlib" "/opt/crater/target/debug/deps/libchrono-57f32126cb3eb148.rlib" "/opt/crater/target/debug/deps/libnum_integer-6442eebb199d17f6.rlib" "/opt/crater/target/debug/deps/libnum_traits-d5458cf43ba730b9.rlib" "/opt/crater/target/debug/deps/libtime-8bb939a6f1371f73.rlib" "/opt/crater/target/debug/deps/liblibc-136f876c45e09ff6.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.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-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-cgu.13.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-c993204c848e51a8.calendar_wasm_rust.1pl5eo9e-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-ca974c815149ea19.rlib(stdweb-ca974c815149ea19.stdweb.ajk8vwti-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-ca974c815149ea19.rlib(stdweb-ca974c815149ea19.stdweb.ajk8vwti-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-ca974c815149ea19.rlib(stdweb-ca974c815149ea19.stdweb.ajk8vwti-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-ca974c815149ea19.rlib(stdweb-ca974c815149ea19.stdweb.ajk8vwti-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-ca974c815149ea19.rlib(stdweb-ca974c815149ea19.stdweb.ajk8vwti-cgu.12.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-ca974c815149ea19.rlib(stdweb-ca974c815149ea19.stdweb.ajk8vwti-cgu.12.rcgu.o): In function `stdweb::webapi::html_elements::canvas::CanvasElement::height':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/html_elements/canvas.rs:35: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-ca974c815149ea19.rlib(stdweb-ca974c815149ea19.stdweb.ajk8vwti-cgu.12.rcgu.o): In function `stdweb::webapi::html_elements::canvas::CanvasElement::width':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/html_elements/canvas.rs:59: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-ca974c815149ea19.rlib(stdweb-ca974c815149ea19.stdweb.ajk8vwti-cgu.12.rcgu.o): In function `<stdweb::webapi::html_elements::canvas::CanvasElement as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/html_elements/canvas.rs:17: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-ca974c815149ea19.rlib(stdweb-ca974c815149ea19.stdweb.ajk8vwti-cgu.14.rcgu.o): In function `<stdweb::webcore::symbol::Symbol as core::ops::drop::Drop>::drop':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/symbol.rs:30: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-ca974c815149ea19.rlib(stdweb-ca974c815149ea19.stdweb.ajk8vwti-cgu.15.rcgu.o): In function `stdweb::webapi::document::document':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/document.rs:40: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-ca974c815149ea19.rlib(stdweb-ca974c815149ea19.stdweb.ajk8vwti-cgu.3.rcgu.o):/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/value.rs:92: more undefined references to `emscripten_asm_const_int' follow
[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" "f13128980ee0ef6f35882bec76c5a1f77e10dcf1a6bfce241e1c323f989442cf"`
[INFO] running `"docker" "rm" "-f" "f13128980ee0ef6f35882bec76c5a1f77e10dcf1a6bfce241e1c323f989442cf"`
[INFO] [stdout] f13128980ee0ef6f35882bec76c5a1f77e10dcf1a6bfce241e1c323f989442cf