[INFO] cloning repository https://github.com/aditya-exe/snake-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aditya-exe/snake-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faditya-exe%2Fsnake-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faditya-exe%2Fsnake-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1495a43afc4c4bc8fdaf298da1c6ba3f1e0c0f7
[INFO] checking aditya-exe/snake-rust against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faditya-exe%2Fsnake-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/aditya-exe/snake-rust 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/aditya-exe/snake-rust
[INFO] finished tweaking git repo https://github.com/aditya-exe/snake-rust
[INFO] tweaked toml for git repo https://github.com/aditya-exe/snake-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aditya-exe/snake-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e334445ae463b1b590cfd2ef4f9ccb153b9dc10295bb39e44fc4b5a5d19fa763
[INFO] running `Command { std: "docker" "start" "-a" "e334445ae463b1b590cfd2ef4f9ccb153b9dc10295bb39e44fc4b5a5d19fa763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e334445ae463b1b590cfd2ef4f9ccb153b9dc10295bb39e44fc4b5a5d19fa763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e334445ae463b1b590cfd2ef4f9ccb153b9dc10295bb39e44fc4b5a5d19fa763", kill_on_drop: false }`
[INFO] [stdout] e334445ae463b1b590cfd2ef4f9ccb153b9dc10295bb39e44fc4b5a5d19fa763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c9cb9188532b2ad35d5a8ea1f26c146a9cf0a9473b54a7ec85144774cf3f9388
[INFO] running `Command { std: "docker" "start" "-a" "c9cb9188532b2ad35d5a8ea1f26c146a9cf0a9473b54a7ec85144774cf3f9388", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling bumpalo v3.10.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.80
[INFO] [stderr]     Checking wasm-bindgen v0.2.80
[INFO] [stderr]     Checking js-sys v0.3.57
[INFO] [stderr]     Checking web-sys v0.3.57
[INFO] [stderr]     Checking snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `UnwrapThrowExt` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | use wasm_bindgen::{prelude::*, JsCast, UnwrapThrowExt};
[INFO] [stdout]   |                    ----------          ^^^^^^^^^^^^^^
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    the item `UnwrapThrowExt` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UnwrapThrowExt` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | use wasm_bindgen::{prelude::*, JsCast, UnwrapThrowExt};
[INFO] [stdout]   |                    ----------          ^^^^^^^^^^^^^^
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    the item `UnwrapThrowExt` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.81s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.80
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "c9cb9188532b2ad35d5a8ea1f26c146a9cf0a9473b54a7ec85144774cf3f9388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9cb9188532b2ad35d5a8ea1f26c146a9cf0a9473b54a7ec85144774cf3f9388", kill_on_drop: false }`
[INFO] [stdout] c9cb9188532b2ad35d5a8ea1f26c146a9cf0a9473b54a7ec85144774cf3f9388
[INFO] checking aditya-exe/snake-rust against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faditya-exe%2Fsnake-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
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Updating files: 100% (2269/2269), done.
[INFO] validating manifest of git repo https://github.com/aditya-exe/snake-rust 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/aditya-exe/snake-rust
[INFO] finished tweaking git repo https://github.com/aditya-exe/snake-rust
[INFO] tweaked toml for git repo https://github.com/aditya-exe/snake-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/aditya-exe/snake-rust 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 775bbb9e9f652980b0a008cd01baa8a964ed4120f94588886e0e5165e7b10792
[INFO] running `Command { std: "docker" "start" "-a" "775bbb9e9f652980b0a008cd01baa8a964ed4120f94588886e0e5165e7b10792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "775bbb9e9f652980b0a008cd01baa8a964ed4120f94588886e0e5165e7b10792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775bbb9e9f652980b0a008cd01baa8a964ed4120f94588886e0e5165e7b10792", kill_on_drop: false }`
[INFO] [stdout] 775bbb9e9f652980b0a008cd01baa8a964ed4120f94588886e0e5165e7b10792
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e5a9e66bcc797b610f00438c8395b9a64655c636216c21cbb66bedcf57b9d04d
[INFO] running `Command { std: "docker" "start" "-a" "e5a9e66bcc797b610f00438c8395b9a64655c636216c21cbb66bedcf57b9d04d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling bumpalo v3.10.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.80
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.80
[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-0.2.80/src/parser.rs:272:17
[INFO] [stdout]     |
[INFO] [stdout] 272 | /                 if input.parse::<Token![=]>().is_ok() {
[INFO] [stdout] 273 | |                     let ident = input.parse::<AnyIdent>()?.0;
[INFO] [stdout] 274 | |                     return Ok(BindgenAttr::$variant(attr_span, Some(ident)))
[INFO] [stdout] 275 | |                 } else {
[INFO] [stdout] 276 | |                     return Ok(BindgenAttr::$variant(attr_span, None));
[INFO] [stdout] 277 | |                 }
[INFO] [stdout]     | |_________________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 332 |           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] running `Command { std: "docker" "inspect" "e5a9e66bcc797b610f00438c8395b9a64655c636216c21cbb66bedcf57b9d04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a9e66bcc797b610f00438c8395b9a64655c636216c21cbb66bedcf57b9d04d", kill_on_drop: false }`
[INFO] [stdout] e5a9e66bcc797b610f00438c8395b9a64655c636216c21cbb66bedcf57b9d04d