[INFO] cloning repository https://github.com/Jgansaown/digit-recognizer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jgansaown/digit-recognizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJgansaown%2Fdigit-recognizer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJgansaown%2Fdigit-recognizer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ceac43103b6e7c1dc6681a67936e4fa8860c1b87 [INFO] checking Jgansaown/digit-recognizer against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJgansaown%2Fdigit-recognizer" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Jgansaown/digit-recognizer 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/Jgansaown/digit-recognizer [INFO] finished tweaking git repo https://github.com/Jgansaown/digit-recognizer [INFO] tweaked toml for git repo https://github.com/Jgansaown/digit-recognizer written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Jgansaown/digit-recognizer 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-test-macro v0.3.38 [INFO] [stderr] Downloaded noisy_float v0.2.0 [INFO] [stderr] Downloaded ndarray-rand v0.14.0 [INFO] [stderr] Downloaded wasm-bindgen-test v0.3.38 [INFO] [stderr] Downloaded ndarray-stats v0.5.1 [INFO] [stderr] Downloaded ndarray v0.15.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a584093dbc62f878444bf400648607a865f2a578c8c76d6268e79f964804d6eb [INFO] running `Command { std: "docker" "start" "-a" "a584093dbc62f878444bf400648607a865f2a578c8c76d6268e79f964804d6eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a584093dbc62f878444bf400648607a865f2a578c8c76d6268e79f964804d6eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a584093dbc62f878444bf400648607a865f2a578c8c76d6268e79f964804d6eb", kill_on_drop: false }` [INFO] [stdout] a584093dbc62f878444bf400648607a865f2a578c8c76d6268e79f964804d6eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a983f92b756243cdaba8e4dae30c7b23e77e2f8e89358be3356f8411c9dc38a9 [INFO] running `Command { std: "docker" "start" "-a" "a983f92b756243cdaba8e4dae30c7b23e77e2f8e89358be3356f8411c9dc38a9", kill_on_drop: false }` [INFO] [stderr] Compiling libm v0.2.7 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.88 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling bumpalo v3.13.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.88 [INFO] [stderr] Compiling matrixmultiply v0.3.7 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Compiling syn v2.0.29 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-complex v0.4.3 [INFO] [stderr] Checking noisy_float v0.2.0 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.88 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.38 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.88 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.88 [INFO] [stderr] Checking ndarray-stats v0.5.1 [INFO] [stderr] Checking ndarray-rand v0.14.0 [INFO] [stderr] Checking js-sys v0.3.65 [INFO] [stderr] Checking console_error_panic_hook v0.1.7 [INFO] [stderr] Checking mnist v0.1.0 (/opt/rustwide/workdir/wasm) [INFO] [stderr] Checking wasm-bindgen-futures v0.4.38 [INFO] [stderr] Checking wasm-bindgen-test v0.3.38 [INFO] [stdout] warning: function `print_image` is never used [INFO] [stdout] --> wasm/examples/test-models.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn print_image(data: ArrayView1) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_kmeans` is never used [INFO] [stdout] --> wasm/examples/test-models.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn test_kmeans(training: &Dataset, testing: &Dataset, max_iteration: usize) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_knn` is never used [INFO] [stdout] --> wasm/examples/test-models.rs:51:4 [INFO] [stdout] | [INFO] [stdout] 51 | fn test_knn(training: &Dataset, testing: &Dataset, max_iteration: usize) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.28s [INFO] running `Command { std: "docker" "inspect" "a983f92b756243cdaba8e4dae30c7b23e77e2f8e89358be3356f8411c9dc38a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a983f92b756243cdaba8e4dae30c7b23e77e2f8e89358be3356f8411c9dc38a9", kill_on_drop: false }` [INFO] [stdout] a983f92b756243cdaba8e4dae30c7b23e77e2f8e89358be3356f8411c9dc38a9 [INFO] checking Jgansaown/digit-recognizer against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJgansaown%2Fdigit-recognizer" "/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/Jgansaown/digit-recognizer 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/Jgansaown/digit-recognizer [INFO] finished tweaking git repo https://github.com/Jgansaown/digit-recognizer [INFO] tweaked toml for git repo https://github.com/Jgansaown/digit-recognizer written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Jgansaown/digit-recognizer 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 12952023d5bd08541debef5bce6fed924f5caba7be090f8113cfe43be961712d [INFO] running `Command { std: "docker" "start" "-a" "12952023d5bd08541debef5bce6fed924f5caba7be090f8113cfe43be961712d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "12952023d5bd08541debef5bce6fed924f5caba7be090f8113cfe43be961712d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12952023d5bd08541debef5bce6fed924f5caba7be090f8113cfe43be961712d", kill_on_drop: false }` [INFO] [stdout] 12952023d5bd08541debef5bce6fed924f5caba7be090f8113cfe43be961712d [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e69546cb10603a57fd45a0d7fdf553dcf51e3490ef125bb96515a5038e2070d [INFO] running `Command { std: "docker" "start" "-a" "4e69546cb10603a57fd45a0d7fdf553dcf51e3490ef125bb96515a5038e2070d", kill_on_drop: false }` [INFO] [stderr] Compiling libm v0.2.7 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.88 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling bumpalo v3.13.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.88 [INFO] [stderr] Compiling matrixmultiply v0.3.7 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Compiling syn v2.0.29 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.7.1/src/inflate/core.rs:1154:9 [INFO] [stdout] | [INFO] [stdout] 1154 | / match state { [INFO] [stdout] 1155 | | Start => generate_state!(state, 'state_machine, { [INFO] [stdout] 1156 | | l.bit_buf = 0; [INFO] [stdout] 1157 | | l.num_bits = 0; [INFO] [stdout] ... | [INFO] [stdout] 1699 | | _ => break TINFLStatus::Failed, [INFO] [stdout] 1700 | | }; [INFO] [stdout] | |_________^ cannot infer type [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 E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `miniz_oxide` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4e69546cb10603a57fd45a0d7fdf553dcf51e3490ef125bb96515a5038e2070d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e69546cb10603a57fd45a0d7fdf553dcf51e3490ef125bb96515a5038e2070d", kill_on_drop: false }` [INFO] [stdout] 4e69546cb10603a57fd45a0d7fdf553dcf51e3490ef125bb96515a5038e2070d