[INFO] cloning repository https://github.com/deets/synth-ui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deets/synth-ui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeets%2Fsynth-ui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeets%2Fsynth-ui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 752f9d2ed4ce537815461c041bf59affe7f6f009
[INFO] checking deets/synth-ui against master#19dd9535408db0f1ff3d16613619076aef524d19 for pr-115950
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeets%2Fsynth-ui" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deets/synth-ui on toolchain 19dd9535408db0f1ff3d16613619076aef524d19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/deets/synth-ui
[INFO] finished tweaking git repo https://github.com/deets/synth-ui
[INFO] tweaked toml for git repo https://github.com/deets/synth-ui written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/deets/synth-ui 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" "+19dd9535408db0f1ff3d16613619076aef524d19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial2 v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d47d88b6a1f79e5c147224322f2111c414a5856f3a06c2e39546a6114a1e9040
[INFO] running `Command { std: "docker" "start" "-a" "d47d88b6a1f79e5c147224322f2111c414a5856f3a06c2e39546a6114a1e9040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d47d88b6a1f79e5c147224322f2111c414a5856f3a06c2e39546a6114a1e9040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47d88b6a1f79e5c147224322f2111c414a5856f3a06c2e39546a6114a1e9040", kill_on_drop: false }`
[INFO] [stdout] d47d88b6a1f79e5c147224322f2111c414a5856f3a06c2e39546a6114a1e9040
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75d4731e27d805dde9b1381e97fa11c4c8489aef98f2b90dbb4bbd1522a79918
[INFO] running `Command { std: "docker" "start" "-a" "75d4731e27d805dde9b1381e97fa11c4c8489aef98f2b90dbb4bbd1522a79918", kill_on_drop: false }`
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[INFO] [stderr]     Checking synth-ui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/matrix.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/matrix.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model`
[INFO] [stdout]   --> src/view.rs:47:28
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn activate(&mut self, model: &Model)
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_model`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model`
[INFO] [stdout]   --> src/view.rs:47:28
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn activate(&mut self, model: &Model)
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_model`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model`
[INFO] [stdout]   --> src/view.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn deactivate(&self, model: &mut Model)
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_model`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model`
[INFO] [stdout]   --> src/view.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn deactivate(&self, model: &mut Model)
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_model`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model`
[INFO] [stdout]   --> src/matrix.rs:92:41
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn ui(&mut self, ui: &mut egui::Ui, model: &Model) -> egui::Response {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_model`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model`
[INFO] [stdout]   --> src/matrix.rs:92:41
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn ui(&mut self, ui: &mut egui::Ui, model: &Model) -> egui::Response {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_model`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.95s
[INFO] running `Command { std: "docker" "inspect" "75d4731e27d805dde9b1381e97fa11c4c8489aef98f2b90dbb4bbd1522a79918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d4731e27d805dde9b1381e97fa11c4c8489aef98f2b90dbb4bbd1522a79918", kill_on_drop: false }`
[INFO] [stdout] 75d4731e27d805dde9b1381e97fa11c4c8489aef98f2b90dbb4bbd1522a79918