[INFO] cloning repository https://github.com/mich101mich/picross
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mich101mich/picross" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmich101mich%2Fpicross", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmich101mich%2Fpicross'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c8854a8d016f479995ffdfe6880120654dfdc5b
[INFO] testing mich101mich/picross against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmich101mich%2Fpicross" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mich101mich/picross 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/mich101mich/picross
[INFO] finished tweaking git repo https://github.com/mich101mich/picross
[INFO] tweaked toml for git repo https://github.com/mich101mich/picross written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mich101mich/picross 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] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] bd853a13862c4373faed69c97b4ad9aa6305bd87cc4655a497de8b62f4731ef2
[INFO] running `Command { std: "docker" "start" "-a" "bd853a13862c4373faed69c97b4ad9aa6305bd87cc4655a497de8b62f4731ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd853a13862c4373faed69c97b4ad9aa6305bd87cc4655a497de8b62f4731ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd853a13862c4373faed69c97b4ad9aa6305bd87cc4655a497de8b62f4731ef2", kill_on_drop: false }`
[INFO] [stdout] bd853a13862c4373faed69c97b4ad9aa6305bd87cc4655a497de8b62f4731ef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] 9bf89893474cd70192402f6821c4881e47693060fbb15cdaf205f528b6829156
[INFO] running `Command { std: "docker" "start" "-a" "9bf89893474cd70192402f6821c4881e47693060fbb15cdaf205f528b6829156", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.50
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.50
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.4
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling base-x v0.2.5
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling stdweb v0.4.18
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.50
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.50
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.7
[INFO] [stderr]    Compiling picross v0.1.0 (/opt/rustwide/workdir)
[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/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c" "/opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.z3sp3k5qf3vczhy.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/liburl-e19cd679e7d5a048.rlib" "/opt/rustwide/target/debug/deps/libpercent_encoding-118ab8cd0c12994c.rlib" "/opt/rustwide/target/debug/deps/libidna-b2e0365019c19501.rlib" "/opt/rustwide/target/debug/deps/libunicode_normalization-2ff3706d5610ad07.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-0c7340b6b9d9158d.rlib" "/opt/rustwide/target/debug/deps/libunicode_bidi-7e8075a07f0e5422.rlib" "/opt/rustwide/target/debug/deps/libmatches-5499bb0a916b29b9.rlib" "/opt/rustwide/target/debug/deps/libconsole_error_panic_hook-e4cca4ee5980a4b1.rlib" "/opt/rustwide/target/debug/deps/librand-de84f08890a0a768.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-9d717cc92d3aa362.rlib" "/opt/rustwide/target/debug/deps/libc2_chacha-bf34d07b4f1b072e.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-a74c4607750846e5.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib" "/opt/rustwide/target/debug/deps/librand_core-b619f72ffa101523.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-60659deb781cf61c.rlib" "/opt/rustwide/target/debug/deps/liblibc-ff2d17a43d44869d.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b10e0993eefc366b.rlib" "/opt/rustwide/target/debug/deps/libstdweb-5432643c3530b1f7.rlib" "/opt/rustwide/target/debug/deps/libdiscard-4790efd64fd1d129.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-0000710c79b67174.rlib" "/opt/rustwide/target/debug/deps/libserde_json-12644224bce2f89c.rlib" "/opt/rustwide/target/debug/deps/libryu-e2e3c0d9c2c97bb4.rlib" "/opt/rustwide/target/debug/deps/libitoa-ad466912a71ab2a3.rlib" "/opt/rustwide/target/debug/deps/libserde-f90b1737b954146d.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" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.1.rcgu.o: in function `picross::picross::Picross::new::snippet::__cargo_web_snippet_199d5eb25dfe761687bcd487578eb7e636bd9650':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.1.rcgu.o: in function `picross::picross::Picross::new::snippet::__cargo_web_snippet_199d5eb25dfe761687bcd487578eb7e636bd9650':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.10.rcgu.o: in function `picross::input::handle_event::snippet::__cargo_web_snippet_7e95a341a6e6a7e7dee1134dd2b2fcf581ce458d':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.10.rcgu.o: in function `picross::input::check_win::snippet::__cargo_web_snippet_5e765458401680b0056f4975f60a0af03fe75485':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.9.rcgu.o: in function `picross::main::snippet::__cargo_web_snippet_199d5eb25dfe761687bcd487578eb7e636bd9650':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/picross-3708b04ec6b5361c.picross.pn7f7hqr-cgu.9.rcgu.o:/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/src/webcore/macros.rs:101: 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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `picross`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9bf89893474cd70192402f6821c4881e47693060fbb15cdaf205f528b6829156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bf89893474cd70192402f6821c4881e47693060fbb15cdaf205f528b6829156", kill_on_drop: false }`
[INFO] [stdout] 9bf89893474cd70192402f6821c4881e47693060fbb15cdaf205f528b6829156