[INFO] cloning repository https://github.com/zandeck/simple_raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zandeck/simple_raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzandeck%2Fsimple_raytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzandeck%2Fsimple_raytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fe2ddb48f59842afff493c85b5f32113a40c309
[INFO] testing zandeck/simple_raytracer against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzandeck%2Fsimple_raytracer" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zandeck/simple_raytracer on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zandeck/simple_raytracer
[INFO] finished tweaking git repo https://github.com/zandeck/simple_raytracer
[INFO] tweaked toml for git repo https://github.com/zandeck/simple_raytracer written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f11c04b1a49810ed45d4289c3ec82ef0b09d64652fb73d6bd6c9ec55f00c483
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1f11c04b1a49810ed45d4289c3ec82ef0b09d64652fb73d6bd6c9ec55f00c483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f11c04b1a49810ed45d4289c3ec82ef0b09d64652fb73d6bd6c9ec55f00c483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f11c04b1a49810ed45d4289c3ec82ef0b09d64652fb73d6bd6c9ec55f00c483", kill_on_drop: false }`
[INFO] [stdout] 1f11c04b1a49810ed45d4289c3ec82ef0b09d64652fb73d6bd6c9ec55f00c483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3b71d50722758d4eafb1afb2c5f11684faac8cd9171de2ff908d82f057e5a9f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f3b71d50722758d4eafb1afb2c5f11684faac8cd9171de2ff908d82f057e5a9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling terminal_size v0.1.15
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling console v0.14.0
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling indicatif v0.9.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling simple_raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SmallRng`
[INFO] [stdout]   --> src/camera.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let p: Vector2<f64>  = SmallRng::from_entropy().sample(Standard);
[INFO] [stdout]    |                                ^^^^^^^^ use of undeclared type `SmallRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SmallRng`
[INFO] [stdout]    --> src/material.rs:131:29
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let rand_num: f64 = SmallRng::from_entropy().sample(Standard);
[INFO] [stdout]     |                             ^^^^^^^^ use of undeclared type `SmallRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SmallRng`
[INFO] [stdout]   --> src/scene.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut e = SmallRng::from_entropy();
[INFO] [stdout]    |                 ^^^^^^^^ use of undeclared type `SmallRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SmallRng`
[INFO] [stdout]   --> src/sphere.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let p: V = SmallRng::from_entropy().sample(Standard);
[INFO] [stdout]    |                    ^^^^^^^^ use of undeclared type `SmallRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub material: Arc<Material>
[INFO] [stdout]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub material: Arc<Material>
[INFO] [stdout]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude`
[INFO] [stdout]  --> src/camera.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude`
[INFO] [stdout]  --> src/material.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude`
[INFO] [stdout]  --> src/scene.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude`
[INFO] [stdout]  --> src/sphere.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple_raytracer`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f3b71d50722758d4eafb1afb2c5f11684faac8cd9171de2ff908d82f057e5a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b71d50722758d4eafb1afb2c5f11684faac8cd9171de2ff908d82f057e5a9f", kill_on_drop: false }`
[INFO] [stdout] f3b71d50722758d4eafb1afb2c5f11684faac8cd9171de2ff908d82f057e5a9f