[INFO] cloning repository https://github.com/gbc-collib/rust-ascii-art
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gbc-collib/rust-ascii-art" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgbc-collib%2Frust-ascii-art", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgbc-collib%2Frust-ascii-art'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bcf807c960b0f6ebbb1a95c513d96d03dbaf93f
[INFO] testing gbc-collib/rust-ascii-art against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgbc-collib%2Frust-ascii-art" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gbc-collib/rust-ascii-art on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gbc-collib/rust-ascii-art
[INFO] finished tweaking git repo https://github.com/gbc-collib/rust-ascii-art
[INFO] tweaked toml for git repo https://github.com/gbc-collib/rust-ascii-art written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gbc-collib/rust-ascii-art 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" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1056ad08353ec7beb58086d5d504c0c42dfae01fbc449e3778acc2866fd61e39
[INFO] running `Command { std: "docker" "start" "-a" "1056ad08353ec7beb58086d5d504c0c42dfae01fbc449e3778acc2866fd61e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1056ad08353ec7beb58086d5d504c0c42dfae01fbc449e3778acc2866fd61e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1056ad08353ec7beb58086d5d504c0c42dfae01fbc449e3778acc2866fd61e39", kill_on_drop: false }`
[INFO] [stdout] 1056ad08353ec7beb58086d5d504c0c42dfae01fbc449e3778acc2866fd61e39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d5d1aa35be381e327d2479fcfb101e36b9bc2a3766fa206c33455d659f69e21
[INFO] running `Command { std: "docker" "start" "-a" "4d5d1aa35be381e327d2479fcfb101e36b9bc2a3766fa206c33455d659f69e21", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling flate2 v1.0.27
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling png v0.17.10
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling exr v1.71.0
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling tiff v0.9.0
[INFO] [stderr]    Compiling image v0.24.7
[INFO] [stderr]    Compiling ascii v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Pixel`
[INFO] [stdout]  --> src/main.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{GenericImageView, Rgba, Pixel};
[INFO] [stdout]   |                                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `intensity_array`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let intensity_array = process_image_array(&rgba_array);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intensity_array`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixel`
[INFO] [stdout]   --> src/main.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn calculate_color_intensity(pixel: &Rgba<u8>) -> u8 {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_color_intensity` is never used
[INFO] [stdout]   --> src/main.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn calculate_color_intensity(pixel: &Rgba<u8>) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.97s
[INFO] running `Command { std: "docker" "inspect" "4d5d1aa35be381e327d2479fcfb101e36b9bc2a3766fa206c33455d659f69e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d5d1aa35be381e327d2479fcfb101e36b9bc2a3766fa206c33455d659f69e21", kill_on_drop: false }`
[INFO] [stdout] 4d5d1aa35be381e327d2479fcfb101e36b9bc2a3766fa206c33455d659f69e21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb569ad966ecec64c39b62b0f0a8c8a19302507bd72aa4966d5818e25fe5d65b
[INFO] running `Command { std: "docker" "start" "-a" "fb569ad966ecec64c39b62b0f0a8c8a19302507bd72aa4966d5818e25fe5d65b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ascii v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Pixel`
[INFO] [stdout]  --> src/main.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{GenericImageView, Rgba, Pixel};
[INFO] [stdout]   |                                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `intensity_array`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let intensity_array = process_image_array(&rgba_array);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intensity_array`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixel`
[INFO] [stdout]   --> src/main.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn calculate_color_intensity(pixel: &Rgba<u8>) -> u8 {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_color_intensity` is never used
[INFO] [stdout]   --> src/main.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn calculate_color_intensity(pixel: &Rgba<u8>) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "fb569ad966ecec64c39b62b0f0a8c8a19302507bd72aa4966d5818e25fe5d65b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb569ad966ecec64c39b62b0f0a8c8a19302507bd72aa4966d5818e25fe5d65b", kill_on_drop: false }`
[INFO] [stdout] fb569ad966ecec64c39b62b0f0a8c8a19302507bd72aa4966d5818e25fe5d65b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e691db4900cd03af0bd4d54862b5bbf9a3519ea76cc754e953674b686ed1d160
[INFO] running `Command { std: "docker" "start" "-a" "e691db4900cd03af0bd4d54862b5bbf9a3519ea76cc754e953674b686ed1d160", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Pixel`
[INFO] [stderr]  --> src/main.rs:1:37
[INFO] [stderr]   |
[INFO] [stderr] 1 | use image::{GenericImageView, Rgba, Pixel};
[INFO] [stderr]   |                                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `intensity_array`
[INFO] [stderr]   --> src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let intensity_array = process_image_array(&rgba_array);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intensity_array`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pixel`
[INFO] [stderr]   --> src/main.rs:47:30
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn calculate_color_intensity(pixel: &Rgba<u8>) -> u8 {
[INFO] [stderr]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel`
[INFO] [stderr] 
[INFO] [stderr] warning: function `calculate_color_intensity` is never used
[INFO] [stderr]   --> src/main.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn calculate_color_intensity(pixel: &Rgba<u8>) -> u8 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ascii` (bin "ascii" test) generated 4 warnings (run `cargo fix --bin "ascii" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ascii-0e3b15534f5f6ec0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e691db4900cd03af0bd4d54862b5bbf9a3519ea76cc754e953674b686ed1d160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e691db4900cd03af0bd4d54862b5bbf9a3519ea76cc754e953674b686ed1d160", kill_on_drop: false }`
[INFO] [stdout] e691db4900cd03af0bd4d54862b5bbf9a3519ea76cc754e953674b686ed1d160