[INFO] cloning repository https://github.com/mabruckner/mathland [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mabruckner/mathland" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmabruckner%2Fmathland", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmabruckner%2Fmathland'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f0300787f6e0bf4b369640848341e08536843a9a [INFO] testing mabruckner/mathland against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmabruckner%2Fmathland" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mabruckner/mathland on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mabruckner/mathland [INFO] finished tweaking git repo https://github.com/mabruckner/mathland [INFO] tweaked toml for git repo https://github.com/mabruckner/mathland written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mabruckner/mathland already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cc v1.0.34 [INFO] [stderr] Downloaded stdweb v0.4.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1458fec8f9430a8b66b8e48f9d34a76477c454069bb66406b798e9e404cc8398 [INFO] running `Command { std: "docker" "start" "-a" "1458fec8f9430a8b66b8e48f9d34a76477c454069bb66406b798e9e404cc8398", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1458fec8f9430a8b66b8e48f9d34a76477c454069bb66406b798e9e404cc8398", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1458fec8f9430a8b66b8e48f9d34a76477c454069bb66406b798e9e404cc8398", kill_on_drop: false }` [INFO] [stdout] 1458fec8f9430a8b66b8e48f9d34a76477c454069bb66406b798e9e404cc8398 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 04656d99124182139896d83c9a95c98ae40306026af0c1e15a65891fd204d649 [INFO] running `Command { std: "docker" "start" "-a" "04656d99124182139896d83c9a95c98ae40306026af0c1e15a65891fd204d649", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling cc v1.0.34 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling stdweb-internal-runtime v0.1.3 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling base-x v0.2.4 [INFO] [stderr] Compiling rustc-demangle v0.1.13 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling backtrace v0.3.15 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling discard v1.0.4 [INFO] [stderr] Compiling cgmath v0.17.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling anymap v0.12.1 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling stdweb v0.4.15 [INFO] [stderr] Compiling http v0.1.17 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling bincode v1.0.1 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling stdweb-derive v0.5.1 [INFO] [stderr] Compiling stdweb-internal-macros v0.2.6 [INFO] [stderr] Compiling yew v0.7.0 (https://github.com/mabruckner/yew.git?branch=svg-hack#b69be1d5) [INFO] [stderr] Compiling mathland v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/enemy.rs:119:14 [INFO] [stdout] | [INFO] [stdout] 119 | 0...3 => ("Circle", Box::new(CircleCard())), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/enemy.rs:76:19 [INFO] [stdout] | [INFO] [stdout] 76 | pub card: Box, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 76 | pub card: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:80:39 [INFO] [stdout] | [INFO] [stdout] 80 | pub obstacles: Vec<([f32; 2], Box)>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 80 | pub obstacles: Vec<([f32; 2], Box)>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:81:29 [INFO] [stdout] | [INFO] [stdout] 81 | pub encounters: Vec>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 81 | pub encounters: Vec>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:104:20 [INFO] [stdout] | [INFO] [stdout] 104 | pub enemy: Box, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 104 | pub enemy: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:107:29 [INFO] [stdout] | [INFO] [stdout] 107 | pub problem: Option>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 107 | pub problem: Option>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:149:25 [INFO] [stdout] | [INFO] [stdout] 149 | pub _anim_task: Box, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 149 | pub _anim_task: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/enemy.rs:93:43 [INFO] [stdout] | [INFO] [stdout] 93 | fn generate_problem(&mut self) -> Box; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 93 | fn generate_problem(&mut self) -> Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/enemy.rs:135:43 [INFO] [stdout] | [INFO] [stdout] 135 | fn generate_problem(&mut self) -> Box { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 135 | fn generate_problem(&mut self) -> Box { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/enemy.rs:118:35 [INFO] [stdout] | [INFO] [stdout] 118 | let (name, card): (_, Box) = match self.level { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 118 | let (name, card): (_, Box) = match self.level { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:343:9 [INFO] [stdout] | [INFO] [stdout] 343 | std::mem::replace(&mut self.state, s); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 343 | let _ = std::mem::replace(&mut self.state, s); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustcZd2z6T/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libmathland-85f3c4c0f73bac19.rlib,libcgmath-4281a25968e8eeeb.rlib,libapprox-3221677f8224dcd3.rlib,libnum_traits-cd6bbd8f8e9c69a8.rlib,librand-4d3a2c8edff90cf4.rlib,librand_xorshift-fde3027d7657522f.rlib,librand_pcg-9acc774a9b3b15a6.rlib,librand_hc-1caf7f9c001e396f.rlib,librand_chacha-b03fca43b0426c48.rlib,librand_isaac-17b4254ae62b2bee.rlib,librand_core-8d662923993c3b82.rlib,librand_os-8f9f417037c85517.rlib,librand_jitter-fb504c2ef1cb9efc.rlib,librand_core-d543da36bb86e4e7.rlib,libyew-e5fa998290b17f89.rlib,libstdweb-5c181d2bf8151b6d.rlib,libdiscard-11fc78d17c12a98b.rlib,libstdweb_internal_runtime-3130a0fd86e6ee4d.rlib,libslab-ab64617c0d711aec.rlib,libanymap-eb4740c6d4af0ea4.rlib,libbincode-82ae0b6abb012838.rlib,libserde_json-c50ae125ba5c6170.rlib,libryu-3cc53d8dbf5aa558.rlib,libserde-491b0ed977064fc5.rlib,libhttp-8909ab8037a64f7a.rlib,libitoa-24e6507aebce4121.rlib,libfnv-12606c81bfa8a024.rlib,libbytes-be5b395958b44b3a.rlib,libiovec-e7cdc03c997efca4.rlib,libbyteorder-a4633ad04d0659f1.rlib,liblog-fa2d118e03198320.rlib,libfailure-6f3dcff53118821b.rlib,libbacktrace-9a4501e996a19833.rlib,libbacktrace_sys-003b4e00d3b28fcb.rlib,librustc_demangle-6033c2906d421bc1.rlib,libcfg_if-4a5826b40e880615.rlib,liblibc-3f4531f3b81421a4.rlib}.rlib" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcZd2z6T/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-42a276a864d64a58/out" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/mathland-f6e461fb47eeba73" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: rust-lld: error: undefined symbol: emscripten_asm_const_int [INFO] [stdout] >>> referenced by macros.rs:91 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stdweb-0.4.15/src/webcore/macros.rs:91) [INFO] [stdout] >>> yew-e5fa998290b17f89.yew.b303298a7e61fb6c-cgu.2.rcgu.o:(yew::services::console::ConsoleService::log::snippet::__cargo_web_snippet_199d5eb25dfe761687bcd487578eb7e636bd9650::h3a4a1efeda8fc515) in archive /opt/rustwide/target/debug/deps/libyew-e5fa998290b17f89.rlib [INFO] [stdout] >>> referenced by macros.rs:101 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stdweb-0.4.15/src/webcore/macros.rs:101) [INFO] [stdout] >>> yew-e5fa998290b17f89.yew.b303298a7e61fb6c-cgu.2.rcgu.o:(yew::services::interval::IntervalService::spawn::snippet::__cargo_web_snippet_e16925f5fb047225caca5aebacba0569cda4fd62::h1d4d47b7ee5bf9ea) in archive /opt/rustwide/target/debug/deps/libyew-e5fa998290b17f89.rlib [INFO] [stdout] >>> referenced by macros.rs:91 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stdweb-0.4.15/src/webcore/macros.rs:91) [INFO] [stdout] >>> yew-e5fa998290b17f89.yew.b303298a7e61fb6c-cgu.2.rcgu.o:(_$LT$yew..services..interval..IntervalTask$u20$as$u20$yew..services..Task$GT$::cancel::snippet::__cargo_web_snippet_4a7df277900746999886798c4e9ff738877c3d95::heccf94b271de6a59) in archive /opt/rustwide/target/debug/deps/libyew-e5fa998290b17f89.rlib [INFO] [stdout] >>> referenced 61 more times [INFO] [stdout] [INFO] [stdout] rust-lld: error: undefined symbol: emscripten_pause_main_loop [INFO] [stdout] >>> referenced by emscripten.rs:11 (src/webcore/ffi/emscripten.rs:11) [INFO] [stdout] >>> stdweb-5c181d2bf8151b6d.stdweb.bcdd4cb2d1684686-cgu.03.rcgu.o:(stdweb::webcore::ffi::emscripten::event_loop::h0f7e9e2a58dc70ee) in archive /opt/rustwide/target/debug/deps/libstdweb-5c181d2bf8151b6d.rlib [INFO] [stdout] [INFO] [stdout] rust-lld: error: undefined symbol: emscripten_set_main_loop [INFO] [stdout] >>> referenced by emscripten.rs:11 (src/webcore/ffi/emscripten.rs:11) [INFO] [stdout] >>> stdweb-5c181d2bf8151b6d.stdweb.bcdd4cb2d1684686-cgu.03.rcgu.o:(stdweb::webcore::ffi::emscripten::event_loop::h0f7e9e2a58dc70ee) in archive /opt/rustwide/target/debug/deps/libstdweb-5c181d2bf8151b6d.rlib [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mathland` (bin "mathland") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "04656d99124182139896d83c9a95c98ae40306026af0c1e15a65891fd204d649", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04656d99124182139896d83c9a95c98ae40306026af0c1e15a65891fd204d649", kill_on_drop: false }` [INFO] [stdout] 04656d99124182139896d83c9a95c98ae40306026af0c1e15a65891fd204d649