[INFO] cloning repository https://github.com/jgraydus/simplicial-complex-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgraydus/simplicial-complex-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgraydus%2Fsimplicial-complex-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgraydus%2Fsimplicial-complex-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bb07f1c98f8fe0b915d4db9773f6afee23e5509
[INFO] checking jgraydus/simplicial-complex-demo against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgraydus%2Fsimplicial-complex-demo" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jgraydus/simplicial-complex-demo on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jgraydus/simplicial-complex-demo
[INFO] finished tweaking git repo https://github.com/jgraydus/simplicial-complex-demo
[INFO] tweaked toml for git repo https://github.com/jgraydus/simplicial-complex-demo written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jgraydus/simplicial-complex-demo 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.39
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac9191e4047fd61f767456b881e8b9d98383a2838e074ab4de483c8d8eca911f
[INFO] running `Command { std: "docker" "start" "-a" "ac9191e4047fd61f767456b881e8b9d98383a2838e074ab4de483c8d8eca911f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac9191e4047fd61f767456b881e8b9d98383a2838e074ab4de483c8d8eca911f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac9191e4047fd61f767456b881e8b9d98383a2838e074ab4de483c8d8eca911f", kill_on_drop: false }`
[INFO] [stdout] ac9191e4047fd61f767456b881e8b9d98383a2838e074ab4de483c8d8eca911f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 638815fdd4eabd17ca6221e988a51d7dcf94cac71cecbb22015b847c17a2313e
[INFO] running `Command { std: "docker" "start" "-a" "638815fdd4eabd17ca6221e988a51d7dcf94cac71cecbb22015b847c17a2313e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.89
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling wasm-bindgen v0.2.89
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking wide v0.7.13
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.89
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.39
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.89
[INFO] [stderr]     Checking js-sys v0.3.66
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.39
[INFO] [stderr]     Checking web-sys v0.3.66
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.39
[INFO] [stderr]     Checking simplicial-complex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `JsCast` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use wasm_bindgen::prelude::*;
[INFO] [stdout]    |     ------------------------ the item `JsCast` is already imported here
[INFO] [stdout] 13 | use wasm_bindgen::JsCast;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `wasm_bindgen_futures` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use wasm_bindgen_futures;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ the item `wasm_bindgen_futures` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JsCast` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use wasm_bindgen::prelude::*;
[INFO] [stdout]    |     ------------------------ the item `JsCast` is already imported here
[INFO] [stdout] 13 | use wasm_bindgen::JsCast;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `wasm_bindgen_futures` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use wasm_bindgen_futures;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ the item `wasm_bindgen_futures` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.26s
[INFO] running `Command { std: "docker" "inspect" "638815fdd4eabd17ca6221e988a51d7dcf94cac71cecbb22015b847c17a2313e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638815fdd4eabd17ca6221e988a51d7dcf94cac71cecbb22015b847c17a2313e", kill_on_drop: false }`
[INFO] [stdout] 638815fdd4eabd17ca6221e988a51d7dcf94cac71cecbb22015b847c17a2313e
[INFO] checking jgraydus/simplicial-complex-demo against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgraydus%2Fsimplicial-complex-demo" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jgraydus/simplicial-complex-demo on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jgraydus/simplicial-complex-demo
[INFO] finished tweaking git repo https://github.com/jgraydus/simplicial-complex-demo
[INFO] tweaked toml for git repo https://github.com/jgraydus/simplicial-complex-demo written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jgraydus/simplicial-complex-demo 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7ee4f17305c512f519a2a9ac74ff2148903f1dbeacf4e5a056e2d167f3b5eee
[INFO] running `Command { std: "docker" "start" "-a" "d7ee4f17305c512f519a2a9ac74ff2148903f1dbeacf4e5a056e2d167f3b5eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7ee4f17305c512f519a2a9ac74ff2148903f1dbeacf4e5a056e2d167f3b5eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ee4f17305c512f519a2a9ac74ff2148903f1dbeacf4e5a056e2d167f3b5eee", kill_on_drop: false }`
[INFO] [stdout] d7ee4f17305c512f519a2a9ac74ff2148903f1dbeacf4e5a056e2d167f3b5eee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efde627d4804a875a7a41ad64d9a5e6afcf89cc1e392959f2b3f5742105409c3
[INFO] running `Command { std: "docker" "start" "-a" "efde627d4804a875a7a41ad64d9a5e6afcf89cc1e392959f2b3f5742105409c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.89
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling wasm-bindgen v0.2.89
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking wide v0.7.13
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.89
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.39
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.89
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasm-bindgen-macro-support-0.2.89/src/parser.rs:303:17
[INFO] [stdout]     |
[INFO] [stdout] 303 | /                 if input.parse::<Token![=]>().is_ok() {
[INFO] [stdout] 304 | |                     let ident = input.parse::<AnyIdent>()?.0;
[INFO] [stdout] 305 | |                     return Ok(BindgenAttr::$variant(attr_span, Some(ident)))
[INFO] [stdout] 306 | |                 } else {
[INFO] [stdout] 307 | |                     return Ok(BindgenAttr::$variant(attr_span, None));
[INFO] [stdout] 308 | |                 }
[INFO] [stdout]     | |_________________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 363 |           attrgen!(parsers);
[INFO] [stdout]     |           ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `parsers` which comes from the expansion of the macro `attrgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-bindgen-macro-support` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "efde627d4804a875a7a41ad64d9a5e6afcf89cc1e392959f2b3f5742105409c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efde627d4804a875a7a41ad64d9a5e6afcf89cc1e392959f2b3f5742105409c3", kill_on_drop: false }`
[INFO] [stdout] efde627d4804a875a7a41ad64d9a5e6afcf89cc1e392959f2b3f5742105409c3