[INFO] cloning repository https://github.com/planet0104/art_pattern
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/planet0104/art_pattern" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplanet0104%2Fart_pattern", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplanet0104%2Fart_pattern'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29d9431f547e265dbdd5416ccc3187a93f6a3da1
[INFO] testing planet0104/art_pattern against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplanet0104%2Fart_pattern" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/planet0104/art_pattern on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/planet0104/art_pattern
[INFO] finished tweaking git repo https://github.com/planet0104/art_pattern
[INFO] tweaked toml for git repo https://github.com/planet0104/art_pattern written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/planet0104/art_pattern already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 047ded6fc4330c3b26bab8a647f03920fa1db00a78917959826714298dafb6a0
[INFO] running `Command { std: "docker" "start" "-a" "047ded6fc4330c3b26bab8a647f03920fa1db00a78917959826714298dafb6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "047ded6fc4330c3b26bab8a647f03920fa1db00a78917959826714298dafb6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047ded6fc4330c3b26bab8a647f03920fa1db00a78917959826714298dafb6a0", kill_on_drop: false }`
[INFO] [stdout] 047ded6fc4330c3b26bab8a647f03920fa1db00a78917959826714298dafb6a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d741a5efb7879a13527f64771d165992015bcae52ea44127e025fb3b7ff5f04
[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" "4d741a5efb7879a13527f64771d165992015bcae52ea44127e025fb3b7ff5f04", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling stdweb v0.4.8
[INFO] [stderr]    Compiling art_pattern v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling discard v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling syn v0.12.15
[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] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/main.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |     ul.append_child({ &elem_content("li", "第一章 绘图入门") });
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/main.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 |     ul.append_child({ &elem_content("li", "第二章 图案变换及操作") });
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/main.rs:321:21
[INFO] [stdout]     |
[INFO] [stdout] 321 |     ul.append_child({ &elem_content("li", "第三章 图案程序60例") });
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw`
[INFO] [stdout]  --> src/chapter2/sample11.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn draw(context: &CanvasRenderingContext2d) {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `set_param`
[INFO] [stdout]   --> src/main.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn set_param(i: i32, value: &str) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b" "/opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.1qsii46dnl812adz.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libstdweb-87ac115c8b7a0da2.rlib" "/opt/rustwide/target/debug/deps/libdiscard-febbd8334766fd0f.rlib" "/opt/rustwide/target/debug/deps/libserde_json-6fd883e7c3dcd1d2.rlib" "/opt/rustwide/target/debug/deps/libitoa-9a51324ef23121f8.rlib" "/opt/rustwide/target/debug/deps/libdtoa-e719d7db72ab5ccb.rlib" "/opt/rustwide/target/debug/deps/libserde-474c72621ab9c9e1.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.0.rcgu.o: in function `art_pattern::random':
[INFO] [stdout]           /opt/rustwide/workdir/src/main.rs:28: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.0.rcgu.o: in function `art_pattern::hide_params':
[INFO] [stdout]           /opt/rustwide/workdir/src/main.rs:56: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.0.rcgu.o: in function `art_pattern::show_params':
[INFO] [stdout]           /opt/rustwide/workdir/src/main.rs:59: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.0.rcgu.o: in function `art_pattern::handle_click::{{closure}}':
[INFO] [stdout]           /opt/rustwide/workdir/src/main.rs:366: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/workdir/src/main.rs:369: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/art_pattern-ad4f2e71ddb3073b.art_pattern.eskuvnje-cgu.0.rcgu.o:/opt/rustwide/workdir/src/main.rs:380: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-87ac115c8b7a0da2.rlib(stdweb-87ac115c8b7a0da2.stdweb.bq7v5gqc-cgu.14.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stdout]           /opt/rustwide/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] [stdout]           /usr/bin/ld: /opt/rustwide/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] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-87ac115c8b7a0da2.rlib(stdweb-87ac115c8b7a0da2.stdweb.bq7v5gqc-cgu.3.rcgu.o): in function `stdweb::webapi::html_elements::canvas::CanvasElement::set_height':
[INFO] [stdout]           /opt/rustwide/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] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-87ac115c8b7a0da2.rlib(stdweb-87ac115c8b7a0da2.stdweb.bq7v5gqc-cgu.3.rcgu.o): in function `stdweb::webapi::html_elements::canvas::CanvasElement::set_width':
[INFO] [stdout]           /opt/rustwide/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] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-87ac115c8b7a0da2.rlib(stdweb-87ac115c8b7a0da2.stdweb.bq7v5gqc-cgu.3.rcgu.o): in function `<stdweb::webapi::html_elements::canvas::CanvasElement as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /opt/rustwide/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] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-87ac115c8b7a0da2.rlib(stdweb-87ac115c8b7a0da2.stdweb.bq7v5gqc-cgu.5.rcgu.o): in function `<stdweb::webcore::value::Reference as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/value.rs:89: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-87ac115c8b7a0da2.rlib(stdweb-87ac115c8b7a0da2.stdweb.bq7v5gqc-cgu.7.rcgu.o): in function `stdweb::webapi::document::document':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/document.rs:34: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-87ac115c8b7a0da2.rlib(stdweb-87ac115c8b7a0da2.stdweb.bq7v5gqc-cgu.7.rcgu.o):/opt/rustwide/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] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `art_pattern`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4d741a5efb7879a13527f64771d165992015bcae52ea44127e025fb3b7ff5f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d741a5efb7879a13527f64771d165992015bcae52ea44127e025fb3b7ff5f04", kill_on_drop: false }`
[INFO] [stdout] 4d741a5efb7879a13527f64771d165992015bcae52ea44127e025fb3b7ff5f04