[INFO] cloning repository https://github.com/snoyberg/lightsout-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snoyberg/lightsout-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnoyberg%2Flightsout-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnoyberg%2Flightsout-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 76008bccf87b0685164b2da45eeaf82f440a9de8 [INFO] testing snoyberg/lightsout-rs against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnoyberg%2Flightsout-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/snoyberg/lightsout-rs on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-5/source/rust-toolchain [INFO] started tweaking git repo https://github.com/snoyberg/lightsout-rs [INFO] finished tweaking git repo https://github.com/snoyberg/lightsout-rs [INFO] tweaked toml for git repo https://github.com/snoyberg/lightsout-rs written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/snoyberg/lightsout-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v0.15.22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] f8b2a701956dbe3cea69e92549d42c8a322a61e997bd6c3aae1e8c3ff66fe502 [INFO] running `Command { std: "docker" "start" "-a" "f8b2a701956dbe3cea69e92549d42c8a322a61e997bd6c3aae1e8c3ff66fe502", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f8b2a701956dbe3cea69e92549d42c8a322a61e997bd6c3aae1e8c3ff66fe502", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8b2a701956dbe3cea69e92549d42c8a322a61e997bd6c3aae1e8c3ff66fe502", kill_on_drop: false }` [INFO] [stdout] f8b2a701956dbe3cea69e92549d42c8a322a61e997bd6c3aae1e8c3ff66fe502 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35db77eb7da719dacc0a0621cf0d17ea2b8b027c18864db5db84cafd96944249 [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" "35db77eb7da719dacc0a0621cf0d17ea2b8b027c18864db5db84cafd96944249", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling stdweb-internal-runtime v0.1.2 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling base-x v0.2.3 [INFO] [stderr] Compiling discard v1.0.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling stdweb-internal-macros v0.2.2 [INFO] [stderr] Compiling stdweb v0.4.10 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Compiling serde_json v1.0.33 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling stdweb-derive v0.5.1 [INFO] [stderr] Compiling lightsout v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | listeners: Vec>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn FnMut(&T)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/main.rs:156:58 [INFO] [stdout] | [INFO] [stdout] 156 | let mut lights: [Reactive; 25] = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_random` [INFO] [stdout] --> src/main.rs:166:8 [INFO] [stdout] | [INFO] [stdout] 166 | fn new_random(difficulty: usize, rng: &mut R) -> Game { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `all_off` [INFO] [stdout] --> src/main.rs:220:8 [INFO] [stdout] | [INFO] [stdout] 220 | fn all_off(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_usize` [INFO] [stdout] --> src/main.rs:258:4 [INFO] [stdout] | [INFO] [stdout] 258 | fn read_usize(buffer: &mut String, stdin: &std::io::Stdin, stdout: &std::io::Stdout, label: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-Wl,--as-needed" "-L" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e" "/opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.92j0cuqakuh7uwu.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libstdweb-c6d78fe059f824ed.rlib" "/opt/rustwide/target/debug/deps/libdiscard-9847723efbd5428f.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-b730e19ec2c0009b.rlib" "/opt/rustwide/target/debug/deps/libserde_json-bf35310d498848ac.rlib" "/opt/rustwide/target/debug/deps/libryu-5ac4bc40e150250a.rlib" "/opt/rustwide/target/debug/deps/libitoa-bf00738b2b8bc4b5.rlib" "/opt/rustwide/target/debug/deps/libserde-97206d3707110e98.rlib" "/opt/rustwide/target/debug/deps/librand-2870e6d929908cc2.rlib" "/opt/rustwide/target/debug/deps/liblibc-418a37b4c137b6cb.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-09885145c87a592a.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-656677771e74bc31.rlib" "/opt/rustwide/target/debug/deps/librand_hc-1b41c3ebe76ed6a7.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-093bb29291aa3b47.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-c95a826a2b918f8d.rlib" "/opt/rustwide/target/debug/deps/librand_core-3156305059e3b6e2.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-21256c14e4504640.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-986e7fea4474d4d2.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-91d85f45babdb06e.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-756509c31813f9a6.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5c2ef587e740c0cc.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-ad8f9371d31db1b3.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-402820fb3b4d3dd8.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-5e8e903f07dc8747.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7ab9ae5080c07187.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-c8e8d47c6bf14de2.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5a02dbb58abd015a.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-cedc8fec61444895.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1c96351c52bc56a.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e41c6d24baeb2249.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-62493b241881590c.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-a1fd7734706d5518.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-c8ded1707ad10767.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-1eec8756baa5bc24.rlib" "-Wl,-Bdynamic" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" [INFO] [stdout] = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.14.rcgu.o: in function `_RINvYNtNtNtCs2ae3VM7iKGQ_6stdweb6webapi12html_element11HtmlElementNtNtB7_4node5INode12append_childNtNtB7_7element7ElementECscxa9PEqV1rl_9lightsout': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/node.rs:45: undefined reference to `emscripten_asm_const_int' [INFO] [stdout] /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.14.rcgu.o: in function `_RNvMNtNtCs2ae3VM7iKGQ_6stdweb7webcore5valueNtB2_9Reference18from_raw_uncheckedCscxa9PEqV1rl_9lightsout': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/value.rs:36: undefined reference to `emscripten_asm_const_int' [INFO] [stdout] /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.3.rcgu.o: in function `_RINvYNtNtNtCs2ae3VM7iKGQ_6stdweb6webapi7element7ElementNtNtB7_12event_target12IEventTarget18add_event_listenerNtNtNtB7_6events5mouse10ClickEventNCNvCscxa9PEqV1rl_9lightsout12light_widget0EB2m_': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/event_target.rs:54: undefined reference to `emscripten_asm_const_int' [INFO] [stdout] /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.3.rcgu.o: in function `_RINvYNtNtNtCs2ae3VM7iKGQ_6stdweb6webapi7element7ElementNtNtB7_4node5INode12append_childB3_ECscxa9PEqV1rl_9lightsout': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/node.rs:45: undefined reference to `emscripten_asm_const_int' [INFO] [stdout] /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.3.rcgu.o: in function `_RINvYNtNtNtCs2ae3VM7iKGQ_6stdweb6webapi7element7ElementNtNtB7_4node5INode12append_childNtNtB7_9text_node8TextNodeECscxa9PEqV1rl_9lightsout': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/node.rs:45: undefined reference to `emscripten_asm_const_int' [INFO] [stdout] /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-99900fbbc90d9f6e.lightsout.838jdl7h-cgu.3.rcgu.o:/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/node.rs:55: 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 `lightsout` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "35db77eb7da719dacc0a0621cf0d17ea2b8b027c18864db5db84cafd96944249", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35db77eb7da719dacc0a0621cf0d17ea2b8b027c18864db5db84cafd96944249", kill_on_drop: false }` [INFO] [stdout] 35db77eb7da719dacc0a0621cf0d17ea2b8b027c18864db5db84cafd96944249