[INFO] cloning repository https://github.com/vasily-kirichenko/Mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vasily-kirichenko/Mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvasily-kirichenko%2FMandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvasily-kirichenko%2FMandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c53819b88cfd5a22d71b39272102c039af929908
[INFO] checking vasily-kirichenko/Mandelbrot against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvasily-kirichenko%2FMandelbrot" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vasily-kirichenko/Mandelbrot on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vasily-kirichenko/Mandelbrot
[INFO] finished tweaking git repo https://github.com/vasily-kirichenko/Mandelbrot
[INFO] tweaked toml for git repo https://github.com/vasily-kirichenko/Mandelbrot written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/vasily-kirichenko/Mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-rational v0.1.36
[INFO] [stderr]   Downloaded num-bigint v0.1.37
[INFO] [stderr]   Downloaded rayon-core v1.0.0
[INFO] [stderr]   Downloaded num-complex v0.1.37
[INFO] [stderr]   Downloaded rayon v0.7.0
[INFO] [stderr]   Downloaded gif v0.9.1
[INFO] [stderr]   Downloaded deque v0.3.2
[INFO] [stderr]   Downloaded crossbeam v0.2.10
[INFO] [stderr]   Downloaded deflate v0.7.11
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b4612d6c0ba4015bbb65511cf678423b8eb32494cdc97ee944fd8e47cd88655
[INFO] running `Command { std: "docker" "start" "-a" "2b4612d6c0ba4015bbb65511cf678423b8eb32494cdc97ee944fd8e47cd88655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b4612d6c0ba4015bbb65511cf678423b8eb32494cdc97ee944fd8e47cd88655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4612d6c0ba4015bbb65511cf678423b8eb32494cdc97ee944fd8e47cd88655", kill_on_drop: false }`
[INFO] [stdout] 2b4612d6c0ba4015bbb65511cf678423b8eb32494cdc97ee944fd8e47cd88655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30fd160afbabeac91ad5cf385e7f80187efb7af8f052f0fbf1573194d64f17f2
[INFO] running `Command { std: "docker" "start" "-a" "30fd160afbabeac91ad5cf385e7f80187efb7af8f052f0fbf1573194d64f17f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking deque v0.3.2
[INFO] [stderr]     Checking adler32 v1.0.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking deflate v0.7.11
[INFO] [stderr]     Checking gif v0.9.1
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.4.0
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking rayon v0.7.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.12
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     assert_eq!(parse_pair::<i32>("", ','), None);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found enum `Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<(i32, i32), ParsePairError<ParseIntError>>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     assert_eq!(parse_pair::<i32>("10", ','), None);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found enum `Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<(i32, i32), ParsePairError<ParseIntError>>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     assert_eq!(parse_pair::<i32>(",10", ','), None);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found enum `Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<(i32, i32), ParsePairError<ParseIntError>>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     assert_eq!(parse_pair::<i32>("10,20", ','), Some((10, 20)));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found enum `Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<(i32, i32), ParsePairError<ParseIntError>>`
[INFO] [stdout]               found enum `Option<({integer}, {integer})>`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     assert_eq!(parse_pair::<i32>("10,20xy", ','), None);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found enum `Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<(i32, i32), ParsePairError<ParseIntError>>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     assert_eq!(parse_pair::<f64>("0.5x", ','), None);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found enum `Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<(f64, f64), ParsePairError<std::num::ParseFloatError>>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     assert_eq!(parse_pair::<f32>("0.5x1.5", 'x'), Some((0.5, 1.5)));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found enum `Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<(f32, f32), ParsePairError<std::num::ParseFloatError>>`
[INFO] [stdout]               found enum `Option<({float}, {float})>`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:91:42
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pixel_to_point((100, 100), (25, 75), (-1.0, 1.0), (1.0, -1.0)),
[INFO] [stdout]    |                                          ^^^^^^^^^^^ expected `&Point`, found tuple
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&Point`
[INFO] [stdout]                   found tuple `({float}, {float})`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:91:55
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pixel_to_point((100, 100), (25, 75), (-1.0, 1.0), (1.0, -1.0)),
[INFO] [stdout]    |                                                       ^^^^^^^^^^^ expected `&Point`, found tuple
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&Point`
[INFO] [stdout]                   found tuple `({float}, {float})`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Point`
[INFO] [stdout]   --> src/main.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | /     assert_eq!(
[INFO] [stdout] 91 | |     pixel_to_point((100, 100), (25, 75), (-1.0, 1.0), (1.0, -1.0)),
[INFO] [stdout] 92 | |     (-0.5, -0.5));
[INFO] [stdout]    | |                  ^
[INFO] [stdout]    | |                  |
[INFO] [stdout]    | |__________________Point
[INFO] [stdout]    |                    ({float}, {float})
[INFO] [stdout]    |
[INFO] [stdout]    = note: an implementation of `std::cmp::PartialEq` might be missing for `Point`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Point` doesn't implement `Debug`
[INFO] [stdout]   --> src/main.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | /     assert_eq!(
[INFO] [stdout] 91 | |     pixel_to_point((100, 100), (25, 75), (-1.0, 1.0), (1.0, -1.0)),
[INFO] [stdout] 92 | |     (-0.5, -0.5));
[INFO] [stdout]    | |__________________^ `Point` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `Point`
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `Point` or manually `impl Debug for Point`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0369.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mandelbrot` due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "30fd160afbabeac91ad5cf385e7f80187efb7af8f052f0fbf1573194d64f17f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30fd160afbabeac91ad5cf385e7f80187efb7af8f052f0fbf1573194d64f17f2", kill_on_drop: false }`
[INFO] [stdout] 30fd160afbabeac91ad5cf385e7f80187efb7af8f052f0fbf1573194d64f17f2
