[INFO] cloning repository https://github.com/tjeerdhans/ppab1-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tjeerdhans/ppab1-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjeerdhans%2Fppab1-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjeerdhans%2Fppab1-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86dbdf67dc8e061c240f60fdfdd221e090ee6ff9
[INFO] testing tjeerdhans/ppab1-rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjeerdhans%2Fppab1-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tjeerdhans/ppab1-rust on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tjeerdhans/ppab1-rust
[INFO] finished tweaking git repo https://github.com/tjeerdhans/ppab1-rust
[INFO] tweaked toml for git repo https://github.com/tjeerdhans/ppab1-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tjeerdhans/ppab1-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bb5e1c6d1ec50f3418a9314b8a7a1ab3bb9114a8ff3abb70b92b01cab665425
[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" "1bb5e1c6d1ec50f3418a9314b8a7a1ab3bb9114a8ff3abb70b92b01cab665425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bb5e1c6d1ec50f3418a9314b8a7a1ab3bb9114a8ff3abb70b92b01cab665425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bb5e1c6d1ec50f3418a9314b8a7a1ab3bb9114a8ff3abb70b92b01cab665425", kill_on_drop: false }`
[INFO] [stdout] 1bb5e1c6d1ec50f3418a9314b8a7a1ab3bb9114a8ff3abb70b92b01cab665425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba5b8fcf3acf84822996c2d954d31ac3fba4463a5ab4f20091c136de92f21702
[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" "ba5b8fcf3acf84822996c2d954d31ac3fba4463a5ab4f20091c136de92f21702", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiff v0.5.0
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling image v0.23.8
[INFO] [stderr]    Compiling asciiart v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `brightness_matrix`
[INFO] [stdout]   --> src/main.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn get_ascii_matrix(brightness_matrix: Vec<Vec<u8>>) {}
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_brightness_matrix`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ASCII_BAND`
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const ASCII_BAND: &str = r#"`^\",:;Il!i~+_-?][}{1)(|\\/tfjrxnuvczXYUJCLQ0OZmwqpdbkhao*#MW&8%B@$"#;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_ascii_matrix`
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn get_ascii_matrix(brightness_matrix: Vec<Vec<u8>>) {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.74s
[INFO] running `Command { std: "docker" "inspect" "ba5b8fcf3acf84822996c2d954d31ac3fba4463a5ab4f20091c136de92f21702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba5b8fcf3acf84822996c2d954d31ac3fba4463a5ab4f20091c136de92f21702", kill_on_drop: false }`
[INFO] [stdout] ba5b8fcf3acf84822996c2d954d31ac3fba4463a5ab4f20091c136de92f21702
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0c2c1857c7c522e9b67e5b01361c6f7d108e81b0af6d31243e82c70d792b3e3
[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" "d0c2c1857c7c522e9b67e5b01361c6f7d108e81b0af6d31243e82c70d792b3e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling asciiart v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `brightness_matrix`
[INFO] [stdout]   --> src/main.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn get_ascii_matrix(brightness_matrix: Vec<Vec<u8>>) {}
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_brightness_matrix`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ASCII_BAND`
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const ASCII_BAND: &str = r#"`^\",:;Il!i~+_-?][}{1)(|\\/tfjrxnuvczXYUJCLQ0OZmwqpdbkhao*#MW&8%B@$"#;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_ascii_matrix`
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn get_ascii_matrix(brightness_matrix: Vec<Vec<u8>>) {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `brightness_matrix`
[INFO] [stdout]   --> src/main.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn get_ascii_matrix(brightness_matrix: Vec<Vec<u8>>) {}
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_brightness_matrix`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `load_image` in this scope
[INFO] [stdout]  --> tests/tests.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let img = load_image("tests/images/ascii-pineapple.jpg");
[INFO] [stdout]   |                   ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `get_dimensions` in this scope
[INFO] [stdout]   --> tests/tests.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let dims = get_dimensions(img);
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `load_image` in this scope
[INFO] [stdout]   --> tests/tests.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let img = load_image("tests/images/ascii-pineapple.jpg");
[INFO] [stdout]    |                   ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `get_image_matrix` in this scope
[INFO] [stdout]   --> tests/tests.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let matrix = get_image_matrix(img);
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Rgb` in this scope
[INFO] [stdout]   --> tests/tests.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |         assert_eq!(matrix[0][0], Rgb(1, 116, 209));
[INFO] [stdout]    |                                  ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple struct
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use image::Rgb;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `load_image` in this scope
[INFO] [stdout]   --> tests/tests.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let img = load_image("tests/images/ascii-pineapple.jpg");
[INFO] [stdout]    |                   ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `get_image_matrix` in this scope
[INFO] [stdout]   --> tests/tests.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let matrix = get_image_matrix(img);
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `get_brightness_matrix` in this scope
[INFO] [stdout]   --> tests/tests.rs:26:33
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let brightness_matrix = get_brightness_matrix(matrix);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> tests/tests.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ASCII_BAND`
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const ASCII_BAND: &str = r#"`^\",:;Il!i~+_-?][}{1)(|\\/tfjrxnuvczXYUJCLQ0OZmwqpdbkhao*#MW&8%B@$"#;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_ascii_matrix`
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn get_ascii_matrix(brightness_matrix: Vec<Vec<u8>>) {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `asciiart`
[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] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d0c2c1857c7c522e9b67e5b01361c6f7d108e81b0af6d31243e82c70d792b3e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0c2c1857c7c522e9b67e5b01361c6f7d108e81b0af6d31243e82c70d792b3e3", kill_on_drop: false }`
[INFO] [stdout] d0c2c1857c7c522e9b67e5b01361c6f7d108e81b0af6d31243e82c70d792b3e3