[INFO] cloning repository https://github.com/gamozolabs/simple_slope_viewer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gamozolabs/simple_slope_viewer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamozolabs%2Fsimple_slope_viewer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamozolabs%2Fsimple_slope_viewer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f5f61f2c069d76905c6f9d3c0a4c17d60e7d997
[INFO] testing gamozolabs/simple_slope_viewer against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamozolabs%2Fsimple_slope_viewer" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gamozolabs/simple_slope_viewer
[INFO] finished tweaking git repo https://github.com/gamozolabs/simple_slope_viewer
[INFO] tweaked toml for git repo https://github.com/gamozolabs/simple_slope_viewer written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gamozolabs/simple_slope_viewer on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gamozolabs/simple_slope_viewer 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-compare v0.0.10
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded xml-rs v0.8.3
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded cgmath v0.17.0
[INFO] [stderr]   Downloaded sdl2 v0.34.3
[INFO] [stderr]   Downloaded sdl2-sys v0.34.3
[INFO] [stderr]   Downloaded libc v0.2.77
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 792a9e550f35149218eff19e2ee4a5d22647177bdba3d1409b026351c8ef3292
[INFO] running `Command { std: "docker" "start" "-a" "792a9e550f35149218eff19e2ee4a5d22647177bdba3d1409b026351c8ef3292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "792a9e550f35149218eff19e2ee4a5d22647177bdba3d1409b026351c8ef3292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "792a9e550f35149218eff19e2ee4a5d22647177bdba3d1409b026351c8ef3292", kill_on_drop: false }`
[INFO] [stdout] 792a9e550f35149218eff19e2ee4a5d22647177bdba3d1409b026351c8ef3292
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb0cc4768112998e12556ee3e8c15863c04772c2076064adb6485a99427af63d
[INFO] running `Command { std: "docker" "start" "-a" "fb0cc4768112998e12556ee3e8c15863c04772c2076064adb6485a99427af63d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling parse_ealogpos v0.1.0 (/opt/rustwide/workdir/parse_ealogpos)
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling simple_slope_viewer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     let mut idx = Cell::new(1);
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.86s
[INFO] running `Command { std: "docker" "inspect" "fb0cc4768112998e12556ee3e8c15863c04772c2076064adb6485a99427af63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb0cc4768112998e12556ee3e8c15863c04772c2076064adb6485a99427af63d", kill_on_drop: false }`
[INFO] [stdout] fb0cc4768112998e12556ee3e8c15863c04772c2076064adb6485a99427af63d
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23dd4ae4bfab9b5eafe18d09aeaa6352166dbb9ae702f02f04470a05e19d88bd
[INFO] running `Command { std: "docker" "start" "-a" "23dd4ae4bfab9b5eafe18d09aeaa6352166dbb9ae702f02f04470a05e19d88bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_slope_viewer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     let mut idx = Cell::new(1);
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "23dd4ae4bfab9b5eafe18d09aeaa6352166dbb9ae702f02f04470a05e19d88bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23dd4ae4bfab9b5eafe18d09aeaa6352166dbb9ae702f02f04470a05e19d88bd", kill_on_drop: false }`
[INFO] [stdout] 23dd4ae4bfab9b5eafe18d09aeaa6352166dbb9ae702f02f04470a05e19d88bd
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9fd3823fe7c4057b44ad42329d8955e46c5ba67377da8909175a8b5bcb91a02f
[INFO] running `Command { std: "docker" "start" "-a" "9fd3823fe7c4057b44ad42329d8955e46c5ba67377da8909175a8b5bcb91a02f", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:312:9
[INFO] [stderr]     |
[INFO] [stderr] 312 |     let mut idx = Cell::new(1);
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `simple_slope_viewer` (bin "simple_slope_viewer" test) generated 1 warning (run `cargo fix --bin "simple_slope_viewer" -p simple_slope_viewer --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/simple_slope_viewer-c05e7a6b0382fb86)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9fd3823fe7c4057b44ad42329d8955e46c5ba67377da8909175a8b5bcb91a02f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd3823fe7c4057b44ad42329d8955e46c5ba67377da8909175a8b5bcb91a02f", kill_on_drop: false }`
[INFO] [stdout] 9fd3823fe7c4057b44ad42329d8955e46c5ba67377da8909175a8b5bcb91a02f