[INFO] updating cached repository planet0104/art_pattern
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/planet0104/art_pattern
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/planet0104/art_pattern" "work/ex/beta-1.38-1/sources/1.37.0/gh/planet0104/art_pattern"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/planet0104/art_pattern'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/planet0104/art_pattern" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/planet0104/art_pattern"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/planet0104/art_pattern'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 29d9431f547e265dbdd5416ccc3187a93f6a3da1
[INFO] sha for GitHub repo planet0104/art_pattern: 29d9431f547e265dbdd5416ccc3187a93f6a3da1
[INFO] validating manifest of planet0104/art_pattern 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 planet0104/art_pattern 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 planet0104/art_pattern
[INFO] finished frobbing planet0104/art_pattern
[INFO] frobbed toml for planet0104/art_pattern written to work/ex/beta-1.38-1/sources/1.37.0/gh/planet0104/art_pattern/Cargo.toml
[INFO] started frobbing planet0104/art_pattern
[INFO] finished frobbing planet0104/art_pattern
[INFO] frobbed toml for planet0104/art_pattern written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/planet0104/art_pattern/Cargo.toml
[INFO] crate planet0104/art_pattern 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 planet0104/art_pattern 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/planet0104/art_pattern:/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] 3f84c468c44253aca6665909fab8d522dcbfd5936a27a2875678c838d4f41a67
[INFO] running `"docker" "start" "-a" "3f84c468c44253aca6665909fab8d522dcbfd5936a27a2875678c838d4f41a67"`
[INFO] [stderr]    Compiling stdweb v0.4.8
[INFO] [stderr]    Compiling discard v1.0.3
[INFO] [stderr]    Compiling art_pattern v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr] warning: function is never used: `draw`
[INFO] [stderr]  --> src/chapter2/sample11.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn draw(context: &CanvasRenderingContext2d) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_param`
[INFO] [stderr]   --> src/main.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn set_param(i: i32, value: &str) {
[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/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664" "/opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.49h1chbg1r2jff5e.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-73ae31b56e36534f.rlib" "/opt/crater/target/debug/deps/libdiscard-29e2de2e4191c85d.rlib" "/opt/crater/target/debug/deps/libserde_json-f0b5e49e9229e913.rlib" "/opt/crater/target/debug/deps/libitoa-479e1d83c0671c8f.rlib" "/opt/crater/target/debug/deps/libdtoa-ea489d40b5ee3357.rlib" "/opt/crater/target/debug/deps/libserde-7d532432d6b32a3b.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" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.0.rcgu.o: In function `art_pattern::random':
[INFO] [stderr]           /opt/crater/workdir/src/main.rs:28: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.0.rcgu.o: In function `art_pattern::hide_params':
[INFO] [stderr]           /opt/crater/workdir/src/main.rs:56: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.0.rcgu.o: In function `art_pattern::show_params':
[INFO] [stderr]           /opt/crater/workdir/src/main.rs:59: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.0.rcgu.o: In function `art_pattern::handle_click::{{closure}}':
[INFO] [stderr]           /opt/crater/workdir/src/main.rs:366: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/workdir/src/main.rs:369: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/art_pattern-a6bd4f01c8aea664.art_pattern.et67mup4-cgu.0.rcgu.o:/opt/crater/workdir/src/main.rs:380: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-73ae31b56e36534f.rlib(stdweb-73ae31b56e36534f.stdweb.9z7urbe3-cgu.5.rcgu.o): In function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/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-0.4.8/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-73ae31b56e36534f.rlib(stdweb-73ae31b56e36534f.stdweb.9z7urbe3-cgu.5.rcgu.o): In function `stdweb::webapi::html_elements::canvas::CanvasElement::set_height':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/html_elements/canvas.rs:47: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-73ae31b56e36534f.rlib(stdweb-73ae31b56e36534f.stdweb.9z7urbe3-cgu.5.rcgu.o): In function `stdweb::webapi::html_elements::canvas::CanvasElement::set_width':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/html_elements/canvas.rs:71: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-73ae31b56e36534f.rlib(stdweb-73ae31b56e36534f.stdweb.9z7urbe3-cgu.5.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-0.4.8/src/webapi/html_elements/canvas.rs:17: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-73ae31b56e36534f.rlib(stdweb-73ae31b56e36534f.stdweb.9z7urbe3-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-0.4.8/src/webcore/value.rs:89: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-73ae31b56e36534f.rlib(stdweb-73ae31b56e36534f.stdweb.9z7urbe3-cgu.8.rcgu.o): In function `stdweb::webapi::document::document':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/document.rs:34: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-73ae31b56e36534f.rlib(stdweb-73ae31b56e36534f.stdweb.9z7urbe3-cgu.8.rcgu.o):/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/document.rs:57: 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 `art_pattern`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3f84c468c44253aca6665909fab8d522dcbfd5936a27a2875678c838d4f41a67"`
[INFO] running `"docker" "rm" "-f" "3f84c468c44253aca6665909fab8d522dcbfd5936a27a2875678c838d4f41a67"`
[INFO] [stdout] 3f84c468c44253aca6665909fab8d522dcbfd5936a27a2875678c838d4f41a67