[INFO] cloning repository https://github.com/renatocassino/maze-wasm-kruskal [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/renatocassino/maze-wasm-kruskal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenatocassino%2Fmaze-wasm-kruskal", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenatocassino%2Fmaze-wasm-kruskal'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4962dba4be30eff696475b657c09eaced0071db8 [INFO] checking renatocassino/maze-wasm-kruskal against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenatocassino%2Fmaze-wasm-kruskal" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/renatocassino/maze-wasm-kruskal 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/renatocassino/maze-wasm-kruskal [INFO] finished tweaking git repo https://github.com/renatocassino/maze-wasm-kruskal [INFO] tweaked toml for git repo https://github.com/renatocassino/maze-wasm-kruskal written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/renatocassino/maze-wasm-kruskal 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-backend v0.2.82 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.82 [INFO] [stderr] Downloaded once_cell v1.13.1 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.82 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.32 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.82 [INFO] [stderr] Downloaded unicode-ident v1.0.3 [INFO] [stderr] Downloaded js-sys v0.3.59 [INFO] [stderr] Downloaded wasm-bindgen v0.2.82 [INFO] [stderr] Downloaded web-sys v0.3.59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c302a26eb68101f87d52e03b161127834fda8de56771517380e39131ce1d9c5a [INFO] running `Command { std: "docker" "start" "-a" "c302a26eb68101f87d52e03b161127834fda8de56771517380e39131ce1d9c5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c302a26eb68101f87d52e03b161127834fda8de56771517380e39131ce1d9c5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c302a26eb68101f87d52e03b161127834fda8de56771517380e39131ce1d9c5a", kill_on_drop: false }` [INFO] [stdout] c302a26eb68101f87d52e03b161127834fda8de56771517380e39131ce1d9c5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e0a291339249283b27b6632a66cc13ba478bd8dcb57bc050ea7a995c3a4a39b9 [INFO] running `Command { std: "docker" "start" "-a" "e0a291339249283b27b6632a66cc13ba478bd8dcb57bc050ea7a995c3a4a39b9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.82 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling once_cell v1.13.1 [INFO] [stderr] Compiling bumpalo v3.11.0 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling wasm-bindgen v0.2.82 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.82 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.82 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.82 [INFO] [stderr] Checking js-sys v0.3.59 [INFO] [stderr] Checking wasm-bindgen-futures v0.4.32 [INFO] [stderr] Checking web-sys v0.3.59 [INFO] [stderr] Checking maze-wasm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/maze.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `console_log` [INFO] [stdout] --> src/maze.rs:37:14 [INFO] [stdout] | [INFO] [stdout] 37 | macro_rules! console_log { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/maze.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `console_log` [INFO] [stdout] --> src/maze.rs:37:14 [INFO] [stdout] | [INFO] [stdout] 37 | macro_rules! console_log { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `block` [INFO] [stdout] --> src/maze.rs:161:21 [INFO] [stdout] | [INFO] [stdout] 161 | for (index, block) in self.blocks.iter().enumerate() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_block` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `closure` is never read [INFO] [stdout] --> src/lib.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct Interval { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 20 | closure: Closure, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_positions_next_block` is never used [INFO] [stdout] --> src/maze.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 43 | impl Maze { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 67 | fn get_positions_next_block(&mut self, index: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `block` [INFO] [stdout] --> src/maze.rs:161:21 [INFO] [stdout] | [INFO] [stdout] 161 | for (index, block) in self.blocks.iter().enumerate() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_block` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `closure` is never read [INFO] [stdout] --> src/lib.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct Interval { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 20 | closure: Closure, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_positions_next_block` is never used [INFO] [stdout] --> src/maze.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 43 | impl Maze { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 67 | fn get_positions_next_block(&mut self, index: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.65s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.82 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "e0a291339249283b27b6632a66cc13ba478bd8dcb57bc050ea7a995c3a4a39b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0a291339249283b27b6632a66cc13ba478bd8dcb57bc050ea7a995c3a4a39b9", kill_on_drop: false }` [INFO] [stdout] e0a291339249283b27b6632a66cc13ba478bd8dcb57bc050ea7a995c3a4a39b9 [INFO] checking renatocassino/maze-wasm-kruskal against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenatocassino%2Fmaze-wasm-kruskal" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/renatocassino/maze-wasm-kruskal 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/renatocassino/maze-wasm-kruskal [INFO] finished tweaking git repo https://github.com/renatocassino/maze-wasm-kruskal [INFO] tweaked toml for git repo https://github.com/renatocassino/maze-wasm-kruskal written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/renatocassino/maze-wasm-kruskal 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d36736ebf72f614101d73f2093af4077622f2952451f8080a08e0aaa067b13f8 [INFO] running `Command { std: "docker" "start" "-a" "d36736ebf72f614101d73f2093af4077622f2952451f8080a08e0aaa067b13f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d36736ebf72f614101d73f2093af4077622f2952451f8080a08e0aaa067b13f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d36736ebf72f614101d73f2093af4077622f2952451f8080a08e0aaa067b13f8", kill_on_drop: false }` [INFO] [stdout] d36736ebf72f614101d73f2093af4077622f2952451f8080a08e0aaa067b13f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 55d2a4e1b876fd31f21d308fa1f6038c7aa3c541b0ccd7a5e613bb2b392d62a9 [INFO] running `Command { std: "docker" "start" "-a" "55d2a4e1b876fd31f21d308fa1f6038c7aa3c541b0ccd7a5e613bb2b392d62a9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.82 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling bumpalo v3.11.0 [INFO] [stderr] Compiling once_cell v1.13.1 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling wasm-bindgen v0.2.82 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.82 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.82 [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-0.2.82/src/parser.rs:294:17 [INFO] [stdout] | [INFO] [stdout] 294 | / if input.parse::().is_ok() { [INFO] [stdout] 295 | | let ident = input.parse::()?.0; [INFO] [stdout] 296 | | return Ok(BindgenAttr::$variant(attr_span, Some(ident))) [INFO] [stdout] 297 | | } else { [INFO] [stdout] 298 | | return Ok(BindgenAttr::$variant(attr_span, None)); [INFO] [stdout] 299 | | } [INFO] [stdout] | |_________________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 354 | 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" "55d2a4e1b876fd31f21d308fa1f6038c7aa3c541b0ccd7a5e613bb2b392d62a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55d2a4e1b876fd31f21d308fa1f6038c7aa3c541b0ccd7a5e613bb2b392d62a9", kill_on_drop: false }` [INFO] [stdout] 55d2a4e1b876fd31f21d308fa1f6038c7aa3c541b0ccd7a5e613bb2b392d62a9