[INFO] cloning repository https://github.com/muse254/mandelbrot [INFO] running `"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"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuse254%2Fmandelbrot'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e6d600a86ea3bff55c9f15d920d9ac163c0a97e0 [INFO] testing muse254/mandelbrot against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuse254%2Fmandelbrot" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/muse254/mandelbrot on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [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-3/source/Cargo.toml [INFO] crate git repo https://github.com/muse254/mandelbrot already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bdb9a9ed34a49806f87ec682466f50f51a271f9dd7767f9ff3a1521e03ddd412 [INFO] running `"docker" "start" "-a" "bdb9a9ed34a49806f87ec682466f50f51a271f9dd7767f9ff3a1521e03ddd412"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling inflate v0.2.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling png v0.7.0 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling jpeg-decoder v0.1.19 [INFO] [stderr] Compiling image v0.13.0 [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable `I` should have a snake case name [INFO] [stderr] --> src/main.rs:86:21 [INFO] [stderr] | [INFO] [stderr] 86 | (Ok(I),Ok(R)) => Some((I,R)), [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `R` should have a snake case name [INFO] [stderr] --> src/main.rs:86:27 [INFO] [stderr] | [INFO] [stderr] 86 | (Ok(I),Ok(R)) => Some((I,R)), [INFO] [stderr] | ^ help: convert the identifier to snake case: `r` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.09s [INFO] running `"docker" "inspect" "bdb9a9ed34a49806f87ec682466f50f51a271f9dd7767f9ff3a1521e03ddd412"` [INFO] running `"docker" "rm" "-f" "bdb9a9ed34a49806f87ec682466f50f51a271f9dd7767f9ff3a1521e03ddd412"` [INFO] [stdout] bdb9a9ed34a49806f87ec682466f50f51a271f9dd7767f9ff3a1521e03ddd412 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 36c4d15e61964df728e53301b58c23ac53cfb4b2f835abf8b853d2ece551abb6 [INFO] running `"docker" "start" "-a" "36c4d15e61964df728e53301b58c23ac53cfb4b2f835abf8b853d2ece551abb6"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0283]: type annotations needed [INFO] [stderr] --> src/main.rs:96:16 [INFO] [stderr] | [INFO] [stderr] 80 | fn parse_pair(s: &str, separator: char) -> Option<(T,T)>{ [INFO] [stderr] | ------- required by this bound in `parse_pair` [INFO] [stderr] ... [INFO] [stderr] 96 | assert_eq!(parse_pair("", ','), None); [INFO] [stderr] | ^^^^^^^^^^ cannot infer type for type parameter `T` declared on the function `parse_pair` [INFO] [stderr] | [INFO] [stderr] = note: cannot satisfy `_: std::str::FromStr` [INFO] [stderr] help: consider specifying the type argument in the function call [INFO] [stderr] | [INFO] [stderr] 96 | assert_eq!(parse_pair::("", ','), None); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0283`. [INFO] [stderr] error: could not compile `mandelbrot`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "36c4d15e61964df728e53301b58c23ac53cfb4b2f835abf8b853d2ece551abb6"` [INFO] running `"docker" "rm" "-f" "36c4d15e61964df728e53301b58c23ac53cfb4b2f835abf8b853d2ece551abb6"` [INFO] [stdout] 36c4d15e61964df728e53301b58c23ac53cfb4b2f835abf8b853d2ece551abb6