[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-1.37-6/sources/1.36.0/gh/planet0104/art_pattern"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/planet0104/art_pattern'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/planet0104/art_pattern" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/planet0104/art_pattern"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of planet0104/art_pattern 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 planet0104/art_pattern
[INFO] finished frobbing planet0104/art_pattern
[INFO] frobbed toml for planet0104/art_pattern written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 planet0104/art_pattern against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 2a6b57181fa7a3343d2f137c861aa8f5a8f369b4e0fdab4b40d9ba9dc910a2ac
[INFO] running `"docker" "start" "-a" "2a6b57181fa7a3343d2f137c861aa8f5a8f369b4e0fdab4b40d9ba9dc910a2ac"`
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling stdweb v0.4.8
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling art_pattern v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling discard v1.0.3
[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 serde_json v1.0.24
[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/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55" "/opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.57n7aa2zlbcxp4qj.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libstdweb-36c40c09a5322a24.rlib" "/opt/crater/target/debug/deps/libdiscard-f5770bd34db29696.rlib" "/opt/crater/target/debug/deps/libserde_json-065a3dfe297d1fc8.rlib" "/opt/crater/target/debug/deps/libitoa-d82b8d46c90852b9.rlib" "/opt/crater/target/debug/deps/libdtoa-0a0f3f42c2e2308c.rlib" "/opt/crater/target/debug/deps/libserde-d2394f75a47d88f8.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.rlib" "-Wl,-Bdynamic" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/art_pattern-a4e9d691ae4cfa55.art_pattern.4e39mycc-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-a4e9d691ae4cfa55.art_pattern.4e39mycc-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-a4e9d691ae4cfa55.art_pattern.4e39mycc-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-a4e9d691ae4cfa55.art_pattern.4e39mycc-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-a4e9d691ae4cfa55.art_pattern.4e39mycc-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-36c40c09a5322a24.rlib(stdweb-36c40c09a5322a24.stdweb.9iiw5xvw-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-36c40c09a5322a24.rlib(stdweb-36c40c09a5322a24.stdweb.9iiw5xvw-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-36c40c09a5322a24.rlib(stdweb-36c40c09a5322a24.stdweb.9iiw5xvw-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-36c40c09a5322a24.rlib(stdweb-36c40c09a5322a24.stdweb.9iiw5xvw-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-36c40c09a5322a24.rlib(stdweb-36c40c09a5322a24.stdweb.9iiw5xvw-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-36c40c09a5322a24.rlib(stdweb-36c40c09a5322a24.stdweb.9iiw5xvw-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-36c40c09a5322a24.rlib(stdweb-36c40c09a5322a24.stdweb.9iiw5xvw-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" "2a6b57181fa7a3343d2f137c861aa8f5a8f369b4e0fdab4b40d9ba9dc910a2ac"`
[INFO] running `"docker" "rm" "-f" "2a6b57181fa7a3343d2f137c861aa8f5a8f369b4e0fdab4b40d9ba9dc910a2ac"`
[INFO] [stdout] 2a6b57181fa7a3343d2f137c861aa8f5a8f369b4e0fdab4b40d9ba9dc910a2ac