[INFO] cloning repository https://github.com/Abacaxi-Nelson/asciiart
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Abacaxi-Nelson/asciiart" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbacaxi-Nelson%2Fasciiart", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbacaxi-Nelson%2Fasciiart'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4fc7c3e3007bd5dbb47721ce136095f98bbaf68
[INFO] checking Abacaxi-Nelson/asciiart against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbacaxi-Nelson%2Fasciiart" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Abacaxi-Nelson/asciiart on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Abacaxi-Nelson/asciiart
[INFO] finished tweaking git repo https://github.com/Abacaxi-Nelson/asciiart
[INFO] tweaked toml for git repo https://github.com/Abacaxi-Nelson/asciiart written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Abacaxi-Nelson/asciiart already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cc5836f827600d60794c4b4332c19c09ec39ad38aa78d4a22d7c01671088178
[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" "1cc5836f827600d60794c4b4332c19c09ec39ad38aa78d4a22d7c01671088178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cc5836f827600d60794c4b4332c19c09ec39ad38aa78d4a22d7c01671088178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc5836f827600d60794c4b4332c19c09ec39ad38aa78d4a22d7c01671088178", kill_on_drop: false }`
[INFO] [stdout] 1cc5836f827600d60794c4b4332c19c09ec39ad38aa78d4a22d7c01671088178
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 7e98883d7c79f7fe624a3d0ce960421fb5d596fdab9702b99c24d1c187d0e980
[INFO] running `Command { std: "docker" "start" "-a" "7e98883d7c79f7fe624a3d0ce960421fb5d596fdab9702b99c24d1c187d0e980", kill_on_drop: false }`
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking rayon-core v1.8.0
[INFO] [stderr]     Checking rayon v1.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.23.9
[INFO] [stderr]     Checking asciiart v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `channels` found for reference `&Luma<u8>` in the current scope
[INFO] [stdout]   --> src/main.rs:25:63
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let character = get_character_for_grayscale(pixel.channels().first().unwrap()) as u8;
[INFO] [stdout]    |                                                               ^^^^^^^^ method not found in `&Luma<u8>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 2  | use crate::image::Pixel;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `asciiart` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `channels` found for reference `&Luma<u8>` in the current scope
[INFO] [stdout]   --> src/main.rs:25:63
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let character = get_character_for_grayscale(pixel.channels().first().unwrap()) as u8;
[INFO] [stdout]    |                                                               ^^^^^^^^ method not found in `&Luma<u8>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 2  | use crate::image::Pixel;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7e98883d7c79f7fe624a3d0ce960421fb5d596fdab9702b99c24d1c187d0e980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e98883d7c79f7fe624a3d0ce960421fb5d596fdab9702b99c24d1c187d0e980", kill_on_drop: false }`
[INFO] [stdout] 7e98883d7c79f7fe624a3d0ce960421fb5d596fdab9702b99c24d1c187d0e980