[INFO] cloning repository https://github.com/Jumballaya/rust-wasm-minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jumballaya/rust-wasm-minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJumballaya%2Frust-wasm-minesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJumballaya%2Frust-wasm-minesweeper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 612127836c022a0c25bbb6c339a9b2896ec24be4 [INFO] checking Jumballaya/rust-wasm-minesweeper against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJumballaya%2Frust-wasm-minesweeper" "/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/Jumballaya/rust-wasm-minesweeper 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/Jumballaya/rust-wasm-minesweeper [INFO] finished tweaking git repo https://github.com/Jumballaya/rust-wasm-minesweeper [INFO] tweaked toml for git repo https://github.com/Jumballaya/rust-wasm-minesweeper written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Jumballaya/rust-wasm-minesweeper 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-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] f3f83727f55d15f48ddf25055a4b6390ccb87cd7be883bc38adf98c16252ef19 [INFO] running `Command { std: "docker" "start" "-a" "f3f83727f55d15f48ddf25055a4b6390ccb87cd7be883bc38adf98c16252ef19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f3f83727f55d15f48ddf25055a4b6390ccb87cd7be883bc38adf98c16252ef19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3f83727f55d15f48ddf25055a4b6390ccb87cd7be883bc38adf98c16252ef19", kill_on_drop: false }` [INFO] [stdout] f3f83727f55d15f48ddf25055a4b6390ccb87cd7be883bc38adf98c16252ef19 [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] af07e3bfc208db2422c3b2aac269dd36949425eddce4e0343e084b5c0d2db1df [INFO] running `Command { std: "docker" "start" "-a" "af07e3bfc208db2422c3b2aac269dd36949425eddce4e0343e084b5c0d2db1df", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.80 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling bumpalo v3.9.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.80 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking getrandom v0.2.6 [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 v0.2.80 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.80 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.80 [INFO] [stderr] Checking minesweeper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/minesweeper.rs:145:20 [INFO] [stdout] | [INFO] [stdout] 145 | if (!self.mines.contains(&pos)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 145 - if (!self.mines.contains(&pos)) { [INFO] [stdout] 145 + if !self.mines.contains(&pos) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/minesweeper.rs:145:20 [INFO] [stdout] | [INFO] [stdout] 145 | if (!self.mines.contains(&pos)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 145 - if (!self.mines.contains(&pos)) { [INFO] [stdout] 145 + if !self.mines.contains(&pos) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `borrow::Borrow` [INFO] [stdout] --> src/lib.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use std::{borrow::Borrow, cell::RefCell}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `borrow::Borrow` [INFO] [stdout] --> src/lib.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use std::{borrow::Borrow, cell::RefCell}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ms` [INFO] [stdout] --> src/lib.rs:15:26 [INFO] [stdout] | [INFO] [stdout] 15 | ms.replace_with(|ms| Minesweeper::new(w, h, mc)); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ms` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ms` [INFO] [stdout] --> src/lib.rs:15:26 [INFO] [stdout] | [INFO] [stdout] 15 | ms.replace_with(|ms| Minesweeper::new(w, h, mc)); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ms` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/minesweeper.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | NoMine(u8), [INFO] [stdout] | ------ ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | NoMine(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/minesweeper.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | NoMine(u8), [INFO] [stdout] | ------ ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | NoMine(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.12s [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 1` [INFO] running `Command { std: "docker" "inspect" "af07e3bfc208db2422c3b2aac269dd36949425eddce4e0343e084b5c0d2db1df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af07e3bfc208db2422c3b2aac269dd36949425eddce4e0343e084b5c0d2db1df", kill_on_drop: false }` [INFO] [stdout] af07e3bfc208db2422c3b2aac269dd36949425eddce4e0343e084b5c0d2db1df [INFO] checking Jumballaya/rust-wasm-minesweeper against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJumballaya%2Frust-wasm-minesweeper" "/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/Jumballaya/rust-wasm-minesweeper 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/Jumballaya/rust-wasm-minesweeper [INFO] finished tweaking git repo https://github.com/Jumballaya/rust-wasm-minesweeper [INFO] tweaked toml for git repo https://github.com/Jumballaya/rust-wasm-minesweeper written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Jumballaya/rust-wasm-minesweeper 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] b622de26b15f31fd5c8b89d48fb3d0f4add98dfa3aad9ef8e97360475b3177bf [INFO] running `Command { std: "docker" "start" "-a" "b622de26b15f31fd5c8b89d48fb3d0f4add98dfa3aad9ef8e97360475b3177bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b622de26b15f31fd5c8b89d48fb3d0f4add98dfa3aad9ef8e97360475b3177bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b622de26b15f31fd5c8b89d48fb3d0f4add98dfa3aad9ef8e97360475b3177bf", kill_on_drop: false }` [INFO] [stdout] b622de26b15f31fd5c8b89d48fb3d0f4add98dfa3aad9ef8e97360475b3177bf [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] afd863287a3a97350dd80c56f3aba23cc613a6392f0dd7b1e2a09679cb75a317 [INFO] running `Command { std: "docker" "start" "-a" "afd863287a3a97350dd80c56f3aba23cc613a6392f0dd7b1e2a09679cb75a317", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.80 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling bumpalo v3.9.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling wasm-bindgen v0.2.80 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking getrandom v0.2.6 [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 v0.2.80 [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::().is_ok() { [INFO] [stdout] 273 | | let ident = input.parse::()?.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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "afd863287a3a97350dd80c56f3aba23cc613a6392f0dd7b1e2a09679cb75a317", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afd863287a3a97350dd80c56f3aba23cc613a6392f0dd7b1e2a09679cb75a317", kill_on_drop: false }` [INFO] [stdout] afd863287a3a97350dd80c56f3aba23cc613a6392f0dd7b1e2a09679cb75a317