[INFO] cloning repository https://github.com/muse254/mandelbrot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/muse254/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuse254%2Fmandelbrot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuse254%2Fmandelbrot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7248144f62b34ecb5f9cce0f4ca0587e38a7bfdf [INFO] checking muse254/mandelbrot against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuse254%2Fmandelbrot" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/muse254/mandelbrot on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/muse254/mandelbrot [INFO] finished tweaking git repo https://github.com/muse254/mandelbrot [INFO] tweaked toml for git repo https://github.com/muse254/mandelbrot written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/muse254/mandelbrot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 800cf40701b71d4150678222b81f93bcacba82125a159191744610dfcdd04158 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "800cf40701b71d4150678222b81f93bcacba82125a159191744610dfcdd04158", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "800cf40701b71d4150678222b81f93bcacba82125a159191744610dfcdd04158", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "800cf40701b71d4150678222b81f93bcacba82125a159191744610dfcdd04158", kill_on_drop: false }` [INFO] [stdout] 800cf40701b71d4150678222b81f93bcacba82125a159191744610dfcdd04158 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec26c71d134b14b270f3c1b0355b822894146f7c404da345ee50581275053071 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ec26c71d134b14b270f3c1b0355b822894146f7c404da345ee50581275053071", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rayon-core v1.7.0 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking png v0.7.0 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking jpeg-decoder v0.1.19 [INFO] [stderr] Checking image v0.13.0 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `I` should have a snake case name [INFO] [stdout] --> src/main.rs:86:21 [INFO] [stdout] | [INFO] [stdout] 86 | (Ok(I),Ok(R)) => Some((I,R)), [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `R` should have a snake case name [INFO] [stdout] --> src/main.rs:86:27 [INFO] [stdout] | [INFO] [stdout] 86 | (Ok(I),Ok(R)) => Some((I,R)), [INFO] [stdout] | ^ help: convert the identifier to snake case: `r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/main.rs:96:16 [INFO] [stdout] | [INFO] [stdout] 80 | fn parse_pair(s: &str, separator: char) -> Option<(T,T)>{ [INFO] [stdout] | ------- required by this bound in `parse_pair` [INFO] [stdout] ... [INFO] [stdout] 96 | assert_eq!(parse_pair("", ','), None); [INFO] [stdout] | ^^^^^^^^^^ cannot infer type for type parameter `T` declared on the function `parse_pair` [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: FromStr` [INFO] [stdout] help: consider specifying the type argument in the function call [INFO] [stdout] | [INFO] [stdout] 96 | assert_eq!(parse_pair::("", ','), None); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mandelbrot` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "ec26c71d134b14b270f3c1b0355b822894146f7c404da345ee50581275053071", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec26c71d134b14b270f3c1b0355b822894146f7c404da345ee50581275053071", kill_on_drop: false }` [INFO] [stdout] ec26c71d134b14b270f3c1b0355b822894146f7c404da345ee50581275053071