[INFO] updating cached repository https://github.com/sbeckeriv/mandelbrot-rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 89e4149993c4e56f22e350fad050d8dc54cc3699 [INFO] testing sbeckeriv/mandelbrot-rs against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbeckeriv%2Fmandelbrot-rs" "/workspace/builds/worker-10/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sbeckeriv/mandelbrot-rs 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/sbeckeriv/mandelbrot-rs [INFO] finished tweaking git repo https://github.com/sbeckeriv/mandelbrot-rs [INFO] tweaked toml for git repo https://github.com/sbeckeriv/mandelbrot-rs written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/sbeckeriv/mandelbrot-rs 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] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] b405686b4fcd4e7751b5b629bf711e9107bb805cc48a8dfcc6cf05f37f4b5c1f [INFO] running `"docker" "start" "-a" "b405686b4fcd4e7751b5b629bf711e9107bb805cc48a8dfcc6cf05f37f4b5c1f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling image v0.23.4 [INFO] [stderr] Compiling mandelbrot-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:30:18 [INFO] [stderr] | [INFO] [stderr] 30 | let output = try!(File::create(filename)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | try!(encoder.encode(&pixels[..], [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no variant or associated item named `Gray` found for enum `image::ColorType` in the current scope [INFO] [stderr] --> src/main.rs:35:36 [INFO] [stderr] | [INFO] [stderr] 35 | ColorType::Gray(8))); [INFO] [stderr] | ^^^^ variant or associated item not found in `image::ColorType` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `std::io::Error: std::convert::From` is not satisfied [INFO] [stderr] --> src/main.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | / try!(encoder.encode(&pixels[..], [INFO] [stderr] 33 | | bounds.0 as u32, [INFO] [stderr] 34 | | bounds.1 as u32, [INFO] [stderr] 35 | | ColorType::Gray(8))); [INFO] [stderr] | |_____________________________________________^ the trait `std::convert::From` is not implemented for `std::io::Error` [INFO] [stderr] | [INFO] [stderr] = help: the following implementations were found: [INFO] [stderr] > [INFO] [stderr] > [INFO] [stderr] > [INFO] [stderr] > [INFO] [stderr] >> [INFO] [stderr] = note: required by `std::convert::From::from` [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments [INFO] [stderr] --> src/main.rs:102:23 [INFO] [stderr] | [INFO] [stderr] 102 | scope.spawn(move || { [INFO] [stderr] | ^^^^^ ------- takes 0 arguments [INFO] [stderr] | | [INFO] [stderr] | expected closure that takes 1 argument [INFO] [stderr] | [INFO] [stderr] help: consider changing the closure to take and ignore the expected argument [INFO] [stderr] | [INFO] [stderr] 102 | scope.spawn(move |_| { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors; 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0593, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: could not compile `mandelbrot-rs`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "b405686b4fcd4e7751b5b629bf711e9107bb805cc48a8dfcc6cf05f37f4b5c1f"` [INFO] running `"docker" "rm" "-f" "b405686b4fcd4e7751b5b629bf711e9107bb805cc48a8dfcc6cf05f37f4b5c1f"` [INFO] [stdout] b405686b4fcd4e7751b5b629bf711e9107bb805cc48a8dfcc6cf05f37f4b5c1f