[INFO] cloning repository https://github.com/8-sided-oregon/electric-field-visualizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/8-sided-oregon/electric-field-visualizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F8-sided-oregon%2Felectric-field-visualizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F8-sided-oregon%2Felectric-field-visualizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7faf58c8dde4462b49df08548a8172d7996b7bcf
[INFO] checking 8-sided-oregon/electric-field-visualizer against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F8-sided-oregon%2Felectric-field-visualizer" "/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/8-sided-oregon/electric-field-visualizer on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/8-sided-oregon/electric-field-visualizer
[INFO] finished tweaking git repo https://github.com/8-sided-oregon/electric-field-visualizer
[INFO] tweaked toml for git repo https://github.com/8-sided-oregon/electric-field-visualizer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/8-sided-oregon/electric-field-visualizer 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c_vec v2.0.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 970127b7d9b62b199cfbeee784f7c14487aab04868474261ec1c248df4c9fd0f
[INFO] running `Command { std: "docker" "start" "-a" "970127b7d9b62b199cfbeee784f7c14487aab04868474261ec1c248df4c9fd0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "970127b7d9b62b199cfbeee784f7c14487aab04868474261ec1c248df4c9fd0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "970127b7d9b62b199cfbeee784f7c14487aab04868474261ec1c248df4c9fd0f", kill_on_drop: false }`
[INFO] [stdout] 970127b7d9b62b199cfbeee784f7c14487aab04868474261ec1c248df4c9fd0f
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 620774847a9de8a093c4f38116c3897339af1f2ae50d6adcd09f8e81c683c9af
[INFO] running `Command { std: "docker" "start" "-a" "620774847a9de8a093c4f38116c3897339af1f2ae50d6adcd09f8e81c683c9af", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking electric-field-visualizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_selected_option` is never used
[INFO] [stdout]    --> src/lib.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 87  | impl Toolbar {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn get_selected_option(&self) -> Option<Particle> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_selected_option` is never used
[INFO] [stdout]    --> src/lib.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 87  | impl Toolbar {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn get_selected_option(&self) -> Option<Particle> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "620774847a9de8a093c4f38116c3897339af1f2ae50d6adcd09f8e81c683c9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620774847a9de8a093c4f38116c3897339af1f2ae50d6adcd09f8e81c683c9af", kill_on_drop: false }`
[INFO] [stdout] 620774847a9de8a093c4f38116c3897339af1f2ae50d6adcd09f8e81c683c9af
[INFO] checking 8-sided-oregon/electric-field-visualizer against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F8-sided-oregon%2Felectric-field-visualizer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/8-sided-oregon/electric-field-visualizer on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/8-sided-oregon/electric-field-visualizer
[INFO] finished tweaking git repo https://github.com/8-sided-oregon/electric-field-visualizer
[INFO] tweaked toml for git repo https://github.com/8-sided-oregon/electric-field-visualizer written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/8-sided-oregon/electric-field-visualizer 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c42df0d816a7f13607626a82ff0cf5eb2f0e49e2874c5768a1f3272d8b381e7
[INFO] running `Command { std: "docker" "start" "-a" "9c42df0d816a7f13607626a82ff0cf5eb2f0e49e2874c5768a1f3272d8b381e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c42df0d816a7f13607626a82ff0cf5eb2f0e49e2874c5768a1f3272d8b381e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c42df0d816a7f13607626a82ff0cf5eb2f0e49e2874c5768a1f3272d8b381e7", kill_on_drop: false }`
[INFO] [stdout] 9c42df0d816a7f13607626a82ff0cf5eb2f0e49e2874c5768a1f3272d8b381e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ae978b330ed30c780be7ee1f283e7e289646ad8e9ef2108baa678495ff08a26
[INFO] running `Command { std: "docker" "start" "-a" "3ae978b330ed30c780be7ee1f283e7e289646ad8e9ef2108baa678495ff08a26", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking electric-field-visualizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_selected_option` is never used
[INFO] [stdout]    --> src/lib.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 87  | impl Toolbar {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn get_selected_option(&self) -> Option<Particle> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_selected_option` is never used
[INFO] [stdout]    --> src/lib.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 87  | impl Toolbar {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn get_selected_option(&self) -> Option<Particle> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "3ae978b330ed30c780be7ee1f283e7e289646ad8e9ef2108baa678495ff08a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae978b330ed30c780be7ee1f283e7e289646ad8e9ef2108baa678495ff08a26", kill_on_drop: false }`
[INFO] [stdout] 3ae978b330ed30c780be7ee1f283e7e289646ad8e9ef2108baa678495ff08a26