[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] checking sbeckeriv/mandelbrot-rs against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbeckeriv%2Fmandelbrot-rs" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbeckeriv/mandelbrot-rs on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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-1/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/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[INFO] the lockfile is outdated, regenerating it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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f61194214a2c222cfe0ff2b49c66c599e9c228f559a725c230d49e83b8ad5317
[INFO] running `"docker" "start" "-a" "f61194214a2c222cfe0ff2b49c66c599e9c228f559a725c230d49e83b8ad5317"`
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking image v0.23.3
[INFO] [stderr]     Checking 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<image::ImageError>` 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<image::ImageError>` is not implemented for `std::io::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <std::io::Error as std::convert::From<png::decoder::stream::DecodingError>>
[INFO] [stderr]              <std::io::Error as std::convert::From<png::encoder::EncodingError>>
[INFO] [stderr]              <std::io::Error as std::convert::From<std::ffi::NulError>>
[INFO] [stderr]              <std::io::Error as std::convert::From<std::io::ErrorKind>>
[INFO] [stderr]              <std::io::Error as std::convert::From<std::io::IntoInnerError<W>>>
[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
[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] 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: could not compile `mandelbrot-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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<image::ImageError>` 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<image::ImageError>` is not implemented for `std::io::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <std::io::Error as std::convert::From<png::decoder::stream::DecodingError>>
[INFO] [stderr]              <std::io::Error as std::convert::From<png::encoder::EncodingError>>
[INFO] [stderr]              <std::io::Error as std::convert::From<std::ffi::NulError>>
[INFO] [stderr]              <std::io::Error as std::convert::From<std::io::ErrorKind>>
[INFO] [stderr]              <std::io::Error as std::convert::From<std::io::IntoInnerError<W>>>
[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
[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" "f61194214a2c222cfe0ff2b49c66c599e9c228f559a725c230d49e83b8ad5317"`
[INFO] running `"docker" "rm" "-f" "f61194214a2c222cfe0ff2b49c66c599e9c228f559a725c230d49e83b8ad5317"`
[INFO] [stdout] f61194214a2c222cfe0ff2b49c66c599e9c228f559a725c230d49e83b8ad5317
