[INFO] cloning repository https://github.com/LuisCardosoOliveira/mandelbrot-program
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LuisCardosoOliveira/mandelbrot-program" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuisCardosoOliveira%2Fmandelbrot-program", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuisCardosoOliveira%2Fmandelbrot-program'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 552ac889f17f9e5d895dea5434b24ee4aecbe810
[INFO] checking LuisCardosoOliveira/mandelbrot-program against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuisCardosoOliveira%2Fmandelbrot-program" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LuisCardosoOliveira/mandelbrot-program
[INFO] finished tweaking git repo https://github.com/LuisCardosoOliveira/mandelbrot-program
[INFO] tweaked toml for git repo https://github.com/LuisCardosoOliveira/mandelbrot-program written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LuisCardosoOliveira/mandelbrot-program on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LuisCardosoOliveira/mandelbrot-program already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39fa9358040a6f7cb0ca02f7bc669799e0a27bcca2abacb5fe2cba376db4697f
[INFO] running `Command { std: "docker" "start" "-a" "39fa9358040a6f7cb0ca02f7bc669799e0a27bcca2abacb5fe2cba376db4697f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39fa9358040a6f7cb0ca02f7bc669799e0a27bcca2abacb5fe2cba376db4697f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39fa9358040a6f7cb0ca02f7bc669799e0a27bcca2abacb5fe2cba376db4697f", kill_on_drop: false }`
[INFO] [stdout] 39fa9358040a6f7cb0ca02f7bc669799e0a27bcca2abacb5fe2cba376db4697f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cc97792e140333b69cd35e4df5f207a07fce9d811b4f776526eec1b14dc5d98
[INFO] running `Command { std: "docker" "start" "-a" "7cc97792e140333b69cd35e4df5f207a07fce9d811b4f776526eec1b14dc5d98", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking weezl v0.1.6
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking num-rational v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.12
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `image::png::PNGEncoder`: Use `PngEncoder` instead
[INFO] [stdout]    --> src/main.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 | use image::png::PNGEncoder;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `image::png::PNGEncoder`: Use `PngEncoder` instead
[INFO] [stdout]    --> src/main.rs:220:19
[INFO] [stdout]     |
[INFO] [stdout] 220 |     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:225:20
[INFO] [stdout]     |
[INFO] [stdout] 225 |         ColorType::Gray(8),
[INFO] [stdout]     |                    ^^^^ variant or associated item not found in `ColorType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `std::io::Error`
[INFO] [stdout]    --> src/main.rs:226:6
[INFO] [stdout]     |
[INFO] [stdout] 210 |   ) -> Result<(), std::io::Error> {
[INFO] [stdout]     |        -------------------------- expected `std::io::Error` because of this
[INFO] [stdout] ...
[INFO] [stdout] 221 |       encoder.encode(
[INFO] [stdout]     |  _____________-
[INFO] [stdout] 222 | |         &pixels,
[INFO] [stdout] 223 | |         bounds.0 as u32,
[INFO] [stdout] 224 | |         bounds.1 as u32,
[INFO] [stdout] 225 | |         ColorType::Gray(8),
[INFO] [stdout] 226 | |     )?;
[INFO] [stdout]     | |     -^ the trait `From<ImageError>` is not implemented for `std::io::Error`
[INFO] [stdout]     | |_____|
[INFO] [stdout]     |       this can't be annotated with `?` because it has type `Result<_, ImageError>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]     = help: the following other types implement trait `From<T>`:
[INFO] [stdout]               `std::io::Error` implements `From<ErrorKind>`
[INFO] [stdout]               `std::io::Error` implements `From<IntoInnerError<W>>`
[INFO] [stdout]               `std::io::Error` implements `From<NulError>`
[INFO] [stdout]               `std::io::Error` implements `From<TryReserveError>`
[INFO] [stdout]               `std::io::Error` implements `From<png::decoder::stream::DecodingError>`
[INFO] [stdout]               `std::io::Error` implements `From<png::encoder::EncodingError>`
[INFO] [stdout]               `std::io::Error` implements `From<std::fs::TryLockError>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mandelbrot` (bin "mandelbrot") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated type alias `image::png::PNGEncoder`: Use `PngEncoder` instead
[INFO] [stdout]    --> src/main.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 | use image::png::PNGEncoder;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `image::png::PNGEncoder`: Use `PngEncoder` instead
[INFO] [stdout]    --> src/main.rs:220:19
[INFO] [stdout]     |
[INFO] [stdout] 220 |     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:225:20
[INFO] [stdout]     |
[INFO] [stdout] 225 |         ColorType::Gray(8),
[INFO] [stdout]     |                    ^^^^ variant or associated item not found in `ColorType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `std::io::Error`
[INFO] [stdout]    --> src/main.rs:226:6
[INFO] [stdout]     |
[INFO] [stdout] 210 |   ) -> Result<(), std::io::Error> {
[INFO] [stdout]     |        -------------------------- expected `std::io::Error` because of this
[INFO] [stdout] ...
[INFO] [stdout] 221 |       encoder.encode(
[INFO] [stdout]     |  _____________-
[INFO] [stdout] 222 | |         &pixels,
[INFO] [stdout] 223 | |         bounds.0 as u32,
[INFO] [stdout] 224 | |         bounds.1 as u32,
[INFO] [stdout] 225 | |         ColorType::Gray(8),
[INFO] [stdout] 226 | |     )?;
[INFO] [stdout]     | |     -^ the trait `From<ImageError>` is not implemented for `std::io::Error`
[INFO] [stdout]     | |_____|
[INFO] [stdout]     |       this can't be annotated with `?` because it has type `Result<_, ImageError>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]     = help: the following other types implement trait `From<T>`:
[INFO] [stdout]               `std::io::Error` implements `From<ErrorKind>`
[INFO] [stdout]               `std::io::Error` implements `From<IntoInnerError<W>>`
[INFO] [stdout]               `std::io::Error` implements `From<NulError>`
[INFO] [stdout]               `std::io::Error` implements `From<TryReserveError>`
[INFO] [stdout]               `std::io::Error` implements `From<png::decoder::stream::DecodingError>`
[INFO] [stdout]               `std::io::Error` implements `From<png::encoder::EncodingError>`
[INFO] [stdout]               `std::io::Error` implements `From<std::fs::TryLockError>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mandelbrot` (bin "mandelbrot" test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7cc97792e140333b69cd35e4df5f207a07fce9d811b4f776526eec1b14dc5d98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc97792e140333b69cd35e4df5f207a07fce9d811b4f776526eec1b14dc5d98", kill_on_drop: false }`
[INFO] [stdout] 7cc97792e140333b69cd35e4df5f207a07fce9d811b4f776526eec1b14dc5d98
