[INFO] cloning repository https://github.com/LeCyberDucky/Klex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LeCyberDucky/Klex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeCyberDucky%2FKlex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeCyberDucky%2FKlex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 004fbdb0cb797c6eb6630757b3f86114aa63d029
[INFO] checking LeCyberDucky/Klex against try#77ee4623672f6bca3e33ba60b6479de48d44b1f9 for pr-99217
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeCyberDucky%2FKlex" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LeCyberDucky/Klex on toolchain 77ee4623672f6bca3e33ba60b6479de48d44b1f9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LeCyberDucky/Klex
[INFO] finished tweaking git repo https://github.com/LeCyberDucky/Klex
[INFO] tweaked toml for git repo https://github.com/LeCyberDucky/Klex written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/LeCyberDucky/Klex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50b7bc932cc2d8b822ef79d3153b51386092ccdd39032ab6047902293a35ff92
[INFO] running `Command { std: "docker" "start" "-a" "50b7bc932cc2d8b822ef79d3153b51386092ccdd39032ab6047902293a35ff92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50b7bc932cc2d8b822ef79d3153b51386092ccdd39032ab6047902293a35ff92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b7bc932cc2d8b822ef79d3153b51386092ccdd39032ab6047902293a35ff92", kill_on_drop: false }`
[INFO] [stdout] 50b7bc932cc2d8b822ef79d3153b51386092ccdd39032ab6047902293a35ff92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9d9710f6f32870933ad5f58120dc462e8d6e62b078d65c5e609df49165f13cc
[INFO] running `Command { std: "docker" "start" "-a" "c9d9710f6f32870933ad5f58120dc462e8d6e62b078d65c5e609df49165f13cc", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
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[INFO] [stderr]     Checking klex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `operation` is never read
[INFO] [stdout]    --> src/layer.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub struct TransformAffine<A> {
[INFO] [stdout]     |                --------------- field in this struct
[INFO] [stdout] 164 |         operation: fn(&A) -> Result<A>,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `selected_layer` is never read
[INFO] [stdout]   --> src/layer_graph.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct InteractiveLayerGraph {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     selected_layer: NodeIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `operation` is never read
[INFO] [stdout]    --> src/layer.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub struct TransformAffine<A> {
[INFO] [stdout]     |                --------------- field in this struct
[INFO] [stdout] 164 |         operation: fn(&A) -> Result<A>,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `selected_layer` is never read
[INFO] [stdout]   --> src/layer_graph.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct InteractiveLayerGraph {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     selected_layer: NodeIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "c9d9710f6f32870933ad5f58120dc462e8d6e62b078d65c5e609df49165f13cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d9710f6f32870933ad5f58120dc462e8d6e62b078d65c5e609df49165f13cc", kill_on_drop: false }`
[INFO] [stdout] c9d9710f6f32870933ad5f58120dc462e8d6e62b078d65c5e609df49165f13cc