[INFO] cloning repository https://github.com/sbeckeriv/mandelbrot-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbeckeriv/mandelbrot-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbeckeriv%2Fmandelbrot-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbeckeriv%2Fmandelbrot-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89e4149993c4e56f22e350fad050d8dc54cc3699
[INFO] checking sbeckeriv/mandelbrot-rs against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbeckeriv%2Fmandelbrot-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbeckeriv/mandelbrot-rs on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sbeckeriv/mandelbrot-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/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[INFO] the lockfile is outdated, regenerating it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 `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9a8aa1190200823eba662a32448aa0ac3fdaae06ae67faed1527885292f51f8f
[INFO] running `Command { std: "docker" "start" "-a" "9a8aa1190200823eba662a32448aa0ac3fdaae06ae67faed1527885292f51f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a8aa1190200823eba662a32448aa0ac3fdaae06ae67faed1527885292f51f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8aa1190200823eba662a32448aa0ac3fdaae06ae67faed1527885292f51f8f", kill_on_drop: false }`
[INFO] [stdout] 9a8aa1190200823eba662a32448aa0ac3fdaae06ae67faed1527885292f51f8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc6e447c4a3a4f0bfeeefc82b1a67cb0eb904a6385ce450b3cd543906c3885e6
[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" "fc6e447c4a3a4f0bfeeefc82b1a67cb0eb904a6385ce450b3cd543906c3885e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.23.9
[INFO] [stderr]     Checking mandelbrot-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let output = try!(File::create(filename));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     try!(encoder.encode(&pixels[..],
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let output = try!(File::create(filename));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     try!(encoder.encode(&pixels[..],
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `image::png::PNGEncoder`: Use `PngEncoder` instead
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use image::png::PNGEncoder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `image::png::PNGEncoder`: Use `PngEncoder` instead
[INFO] [stdout]   --> src/main.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let encoder = PNGEncoder::new(output);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `image::png::PNGEncoder`: Use `PngEncoder` instead
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use image::png::PNGEncoder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `image::png::PNGEncoder`: Use `PngEncoder` instead
[INFO] [stdout]   --> src/main.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let encoder = PNGEncoder::new(output);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Gray` found for enum `ColorType` in the current scope
[INFO] [stdout]   --> src/main.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 |                         ColorType::Gray(8)));
[INFO] [stdout]    |                                    ^^^^ variant or associated item not found in `ColorType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Gray` found for enum `ColorType` in the current scope
[INFO] [stdout]   --> src/main.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 |                         ColorType::Gray(8)));
[INFO] [stdout]    |                                    ^^^^ variant or associated item not found in `ColorType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `std::io::Error: From<ImageError>` is not satisfied
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     try!(encoder.encode(&pixels[..],
[INFO] [stdout] 33 | |                         bounds.0 as u32,
[INFO] [stdout] 34 | |                         bounds.1 as u32,
[INFO] [stdout] 35 | |                         ColorType::Gray(8)));
[INFO] [stdout]    | |_____________________________________________^ the trait `From<ImageError>` is not implemented for `std::io::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <std::io::Error as From<ErrorKind>>
[INFO] [stdout]              <std::io::Error as From<IntoInnerError<W>>>
[INFO] [stdout]              <std::io::Error as From<NulError>>
[INFO] [stdout]              <std::io::Error as From<png::decoder::stream::DecodingError>>
[INFO] [stdout]              <std::io::Error as From<png::encoder::EncodingError>>
[INFO] [stdout]    = note: required by `std::convert::From::from`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `std::io::Error: From<ImageError>` is not satisfied
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     try!(encoder.encode(&pixels[..],
[INFO] [stdout] 33 | |                         bounds.0 as u32,
[INFO] [stdout] 34 | |                         bounds.1 as u32,
[INFO] [stdout] 35 | |                         ColorType::Gray(8)));
[INFO] [stdout]    | |_____________________________________________^ the trait `From<ImageError>` is not implemented for `std::io::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <std::io::Error as From<ErrorKind>>
[INFO] [stdout]              <std::io::Error as From<IntoInnerError<W>>>
[INFO] [stdout]              <std::io::Error as From<NulError>>
[INFO] [stdout]              <std::io::Error as From<png::decoder::stream::DecodingError>>
[INFO] [stdout]              <std::io::Error as From<png::encoder::EncodingError>>
[INFO] [stdout]    = note: required by `std::convert::From::from`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
[INFO] [stdout]    --> src/main.rs:102:23
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 scope.spawn(move || {
[INFO] [stdout]     |                       ^^^^^ ------- takes 0 arguments
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       expected closure that takes 1 argument
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the closure to take and ignore the expected argument
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 scope.spawn(move |_| {
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
[INFO] [stdout]    --> src/main.rs:102:23
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 scope.spawn(move || {
[INFO] [stdout]     |                       ^^^^^ ------- takes 0 arguments
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       expected closure that takes 1 argument
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the closure to take and ignore the expected argument
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 scope.spawn(move |_| {
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0593, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0593, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "fc6e447c4a3a4f0bfeeefc82b1a67cb0eb904a6385ce450b3cd543906c3885e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6e447c4a3a4f0bfeeefc82b1a67cb0eb904a6385ce450b3cd543906c3885e6", kill_on_drop: false }`
[INFO] [stdout] fc6e447c4a3a4f0bfeeefc82b1a67cb0eb904a6385ce450b3cd543906c3885e6
