[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] checking tjeerdhans/ppab1-rust against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjeerdhans%2Fppab1-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tjeerdhans/ppab1-rust on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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 bytemuck v1.3.1
[INFO] [stderr]   Downloaded libc v0.2.74
[INFO] [stderr]   Downloaded image v0.23.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] a31724f37681d4cf95c64bc55eb95ae120aa6900876ff6678067d2e04780d009
[INFO] running `Command { std: "docker" "start" "-a" "a31724f37681d4cf95c64bc55eb95ae120aa6900876ff6678067d2e04780d009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a31724f37681d4cf95c64bc55eb95ae120aa6900876ff6678067d2e04780d009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a31724f37681d4cf95c64bc55eb95ae120aa6900876ff6678067d2e04780d009", kill_on_drop: false }`
[INFO] [stdout] a31724f37681d4cf95c64bc55eb95ae120aa6900876ff6678067d2e04780d009
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0aa4350d111efd9abff1c82ac1f18f40c2c62be685075125c13ba153b057ff8f
[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" "0aa4350d111efd9abff1c82ac1f18f40c2c62be685075125c13ba153b057ff8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking bytemuck v1.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.23.8
[INFO] [stderr]     Checking 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] 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] 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[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: 3 warnings emitted
[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: 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] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0aa4350d111efd9abff1c82ac1f18f40c2c62be685075125c13ba153b057ff8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa4350d111efd9abff1c82ac1f18f40c2c62be685075125c13ba153b057ff8f", kill_on_drop: false }`
[INFO] [stdout] 0aa4350d111efd9abff1c82ac1f18f40c2c62be685075125c13ba153b057ff8f