[INFO] cloning repository https://github.com/Jupp56/brainfuck_interpreter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jupp56/brainfuck_interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJupp56%2Fbrainfuck_interpreter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJupp56%2Fbrainfuck_interpreter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8b47cd5e81f53595c53829ad94cef47de084cb38 [INFO] checking Jupp56/brainfuck_interpreter against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJupp56%2Fbrainfuck_interpreter" "/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/Jupp56/brainfuck_interpreter 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/Jupp56/brainfuck_interpreter [INFO] finished tweaking git repo https://github.com/Jupp56/brainfuck_interpreter [INFO] tweaked toml for git repo https://github.com/Jupp56/brainfuck_interpreter written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Jupp56/brainfuck_interpreter 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-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] 424d2087a3c63c1017d5362b38ebddfc3bc75b969a13a7f796f3791fb5b315f5 [INFO] running `Command { std: "docker" "start" "-a" "424d2087a3c63c1017d5362b38ebddfc3bc75b969a13a7f796f3791fb5b315f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "424d2087a3c63c1017d5362b38ebddfc3bc75b969a13a7f796f3791fb5b315f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "424d2087a3c63c1017d5362b38ebddfc3bc75b969a13a7f796f3791fb5b315f5", kill_on_drop: false }` [INFO] [stdout] 424d2087a3c63c1017d5362b38ebddfc3bc75b969a13a7f796f3791fb5b315f5 [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] e4645b1f4fd0c766a9d7a682275cfb7a5445e16327dbfc3484d58b30a061b9fc [INFO] running `Command { std: "docker" "start" "-a" "e4645b1f4fd0c766a9d7a682275cfb7a5445e16327dbfc3484d58b30a061b9fc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.75 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling bumpalo v3.7.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.75 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.75 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.75 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.75 [INFO] [stderr] Checking brainfuck_interpreter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut file_content = read_file(path); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut file_content = read_file(path); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/bin/main.rs:23:34 [INFO] [stdout] | [INFO] [stdout] 23 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `RuntimeError` [INFO] [stdout] | [INFO] [stdout] 23 | Err(e) => panic!("{:?}", e), [INFO] [stdout] | +++++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 23 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/bin/main.rs:23:34 [INFO] [stdout] | [INFO] [stdout] 23 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `RuntimeError` [INFO] [stdout] | [INFO] [stdout] 23 | Err(e) => panic!("{:?}", e), [INFO] [stdout] | +++++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 23 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/bin/main.rs:30:24 [INFO] [stdout] | [INFO] [stdout] 30 | panic!(format!( [INFO] [stdout] | ________________________^ [INFO] [stdout] 31 | | "Parse error at index {}: no matching bracket found!", [INFO] [stdout] 32 | | index [INFO] [stdout] 33 | | )); [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 30 ~ panic!( [INFO] [stdout] 31 | "Parse error at index {}: no matching bracket found!", [INFO] [stdout] 32 | index [INFO] [stdout] 33 ~ ); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/bin/main.rs:30:24 [INFO] [stdout] | [INFO] [stdout] 30 | panic!(format!( [INFO] [stdout] | ________________________^ [INFO] [stdout] 31 | | "Parse error at index {}: no matching bracket found!", [INFO] [stdout] 32 | | index [INFO] [stdout] 33 | | )); [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 30 ~ panic!( [INFO] [stdout] 31 | "Parse error at index {}: no matching bracket found!", [INFO] [stdout] 32 | index [INFO] [stdout] 33 ~ ); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.37s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.75 [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" "e4645b1f4fd0c766a9d7a682275cfb7a5445e16327dbfc3484d58b30a061b9fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4645b1f4fd0c766a9d7a682275cfb7a5445e16327dbfc3484d58b30a061b9fc", kill_on_drop: false }` [INFO] [stdout] e4645b1f4fd0c766a9d7a682275cfb7a5445e16327dbfc3484d58b30a061b9fc [INFO] checking Jupp56/brainfuck_interpreter against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJupp56%2Fbrainfuck_interpreter" "/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/Jupp56/brainfuck_interpreter 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/Jupp56/brainfuck_interpreter [INFO] finished tweaking git repo https://github.com/Jupp56/brainfuck_interpreter [INFO] tweaked toml for git repo https://github.com/Jupp56/brainfuck_interpreter written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Jupp56/brainfuck_interpreter 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] f752fda78c2db9e14d7b855e664e2685988fe979d56551cda887e167da20be57 [INFO] running `Command { std: "docker" "start" "-a" "f752fda78c2db9e14d7b855e664e2685988fe979d56551cda887e167da20be57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f752fda78c2db9e14d7b855e664e2685988fe979d56551cda887e167da20be57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f752fda78c2db9e14d7b855e664e2685988fe979d56551cda887e167da20be57", kill_on_drop: false }` [INFO] [stdout] f752fda78c2db9e14d7b855e664e2685988fe979d56551cda887e167da20be57 [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] 4002fcfca45149ece408520380d910f09b2951ecb088a5e696c35487bece7c2a [INFO] running `Command { std: "docker" "start" "-a" "4002fcfca45149ece408520380d910f09b2951ecb088a5e696c35487bece7c2a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.75 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling bumpalo v3.7.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.75 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.75 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.75 [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-0.2.75/src/parser.rs:271:17 [INFO] [stdout] | [INFO] [stdout] 271 | / if input.parse::().is_ok() { [INFO] [stdout] 272 | | let ident = input.parse::()?.0; [INFO] [stdout] 273 | | return Ok(BindgenAttr::$variant(attr_span, Some(ident))) [INFO] [stdout] 274 | | } else { [INFO] [stdout] 275 | | return Ok(BindgenAttr::$variant(attr_span, None)); [INFO] [stdout] 276 | | } [INFO] [stdout] | |_________________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 331 | 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" "4002fcfca45149ece408520380d910f09b2951ecb088a5e696c35487bece7c2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4002fcfca45149ece408520380d910f09b2951ecb088a5e696c35487bece7c2a", kill_on_drop: false }` [INFO] [stdout] 4002fcfca45149ece408520380d910f09b2951ecb088a5e696c35487bece7c2a