[INFO] cloning repository https://github.com/NSchiffmacher/RustSandGame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NSchiffmacher/RustSandGame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNSchiffmacher%2FRustSandGame", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNSchiffmacher%2FRustSandGame'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c927266689e60a3969687930fd1df3411e6b6f47
[INFO] checking NSchiffmacher/RustSandGame against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNSchiffmacher%2FRustSandGame" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NSchiffmacher/RustSandGame 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/NSchiffmacher/RustSandGame
[INFO] finished tweaking git repo https://github.com/NSchiffmacher/RustSandGame
[INFO] tweaked toml for git repo https://github.com/NSchiffmacher/RustSandGame written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NSchiffmacher/RustSandGame 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 colors-transform v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3c6dc78502a341eb844ee1f7b9dd00795655c76ef5a8d461106448e9560bf143
[INFO] running `Command { std: "docker" "start" "-a" "3c6dc78502a341eb844ee1f7b9dd00795655c76ef5a8d461106448e9560bf143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c6dc78502a341eb844ee1f7b9dd00795655c76ef5a8d461106448e9560bf143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6dc78502a341eb844ee1f7b9dd00795655c76ef5a8d461106448e9560bf143", kill_on_drop: false }`
[INFO] [stdout] 3c6dc78502a341eb844ee1f7b9dd00795655c76ef5a8d461106448e9560bf143
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e54656c64ae38a442c42a3249071fa56f4d139786da5d2523c9b107786783470
[INFO] running `Command { std: "docker" "start" "-a" "e54656c64ae38a442c42a3249071fa56f4d139786da5d2523c9b107786783470", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling sdl2 v0.36.0
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]     Checking colors-transform v0.2.11
[INFO] [stderr]    Compiling sdl2-sys v0.36.0
[INFO] [stderr]     Checking sandgamebase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `brush_type` is never read
[INFO] [stdout]  --> src/sandsim/brush_settings.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct BrushSettings {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 7 |     pub size: i32,
[INFO] [stdout] 8 |     pub brush_type: BrushType,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `brush_type` is never read
[INFO] [stdout]  --> src/sandsim/brush_settings.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct BrushSettings {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 7 |     pub size: i32,
[INFO] [stdout] 8 |     pub brush_type: BrushType,
[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 3.44s
[INFO] running `Command { std: "docker" "inspect" "e54656c64ae38a442c42a3249071fa56f4d139786da5d2523c9b107786783470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54656c64ae38a442c42a3249071fa56f4d139786da5d2523c9b107786783470", kill_on_drop: false }`
[INFO] [stdout] e54656c64ae38a442c42a3249071fa56f4d139786da5d2523c9b107786783470
[INFO] checking NSchiffmacher/RustSandGame against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNSchiffmacher%2FRustSandGame" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NSchiffmacher/RustSandGame 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/NSchiffmacher/RustSandGame
[INFO] finished tweaking git repo https://github.com/NSchiffmacher/RustSandGame
[INFO] tweaked toml for git repo https://github.com/NSchiffmacher/RustSandGame written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/NSchiffmacher/RustSandGame 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 50cca59a594e869d5fbaf198efcf531b110816a55ef834d7a43434560688e46c
[INFO] running `Command { std: "docker" "start" "-a" "50cca59a594e869d5fbaf198efcf531b110816a55ef834d7a43434560688e46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50cca59a594e869d5fbaf198efcf531b110816a55ef834d7a43434560688e46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50cca59a594e869d5fbaf198efcf531b110816a55ef834d7a43434560688e46c", kill_on_drop: false }`
[INFO] [stdout] 50cca59a594e869d5fbaf198efcf531b110816a55ef834d7a43434560688e46c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b6ba2bfbb622395e9010b4accc10c25245e9a49b1863e876db7c1a21aa8a691e
[INFO] running `Command { std: "docker" "start" "-a" "b6ba2bfbb622395e9010b4accc10c25245e9a49b1863e876db7c1a21aa8a691e", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling sdl2 v0.36.0
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]     Checking colors-transform v0.2.11
[INFO] [stderr]    Compiling sdl2-sys v0.36.0
[INFO] [stderr]     Checking sandgamebase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `brush_type` is never read
[INFO] [stdout]  --> src/sandsim/brush_settings.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct BrushSettings {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 7 |     pub size: i32,
[INFO] [stdout] 8 |     pub brush_type: BrushType,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `brush_type` is never read
[INFO] [stdout]  --> src/sandsim/brush_settings.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct BrushSettings {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 7 |     pub size: i32,
[INFO] [stdout] 8 |     pub brush_type: BrushType,
[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 3.69s
[INFO] running `Command { std: "docker" "inspect" "b6ba2bfbb622395e9010b4accc10c25245e9a49b1863e876db7c1a21aa8a691e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ba2bfbb622395e9010b4accc10c25245e9a49b1863e876db7c1a21aa8a691e", kill_on_drop: false }`
[INFO] [stdout] b6ba2bfbb622395e9010b4accc10c25245e9a49b1863e876db7c1a21aa8a691e