[INFO] cloning repository https://github.com/ArtemChistyakov/ray-tracing-in-one-weekend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArtemChistyakov/ray-tracing-in-one-weekend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtemChistyakov%2Fray-tracing-in-one-weekend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtemChistyakov%2Fray-tracing-in-one-weekend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0b044467a91de6244f03f2c0b112a3eec788149
[INFO] testing ArtemChistyakov/ray-tracing-in-one-weekend against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtemChistyakov%2Fray-tracing-in-one-weekend" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ArtemChistyakov/ray-tracing-in-one-weekend on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ArtemChistyakov/ray-tracing-in-one-weekend
[INFO] finished tweaking git repo https://github.com/ArtemChistyakov/ray-tracing-in-one-weekend
[INFO] tweaked toml for git repo https://github.com/ArtemChistyakov/ray-tracing-in-one-weekend written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ArtemChistyakov/ray-tracing-in-one-weekend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffefb22f981671df7fe9e3d5851b31412815c38a424be236a237f2b035ae731d
[INFO] running `Command { std: "docker" "start" "-a" "ffefb22f981671df7fe9e3d5851b31412815c38a424be236a237f2b035ae731d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffefb22f981671df7fe9e3d5851b31412815c38a424be236a237f2b035ae731d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffefb22f981671df7fe9e3d5851b31412815c38a424be236a237f2b035ae731d", kill_on_drop: false }`
[INFO] [stdout] ffefb22f981671df7fe9e3d5851b31412815c38a424be236a237f2b035ae731d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 35432bff224cf145d333e1f28924b3f5327ff307bd011cd8663bd5296eefbafd
[INFO] running `Command { std: "docker" "start" "-a" "35432bff224cf145d333e1f28924b3f5327ff307bd011cd8663bd5296eefbafd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ray-tracing-in-one-weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `closest_so_far` is assigned to, but never used
[INFO] [stdout]   --> src/raytracing.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut closest_so_far = t_max;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_closest_so_far` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `closest_so_far` is never read
[INFO] [stdout]   --> src/raytracing.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 closest_so_far = hit_rec.t;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Color)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.55s
[INFO] running `Command { std: "docker" "inspect" "35432bff224cf145d333e1f28924b3f5327ff307bd011cd8663bd5296eefbafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35432bff224cf145d333e1f28924b3f5327ff307bd011cd8663bd5296eefbafd", kill_on_drop: false }`
[INFO] [stdout] 35432bff224cf145d333e1f28924b3f5327ff307bd011cd8663bd5296eefbafd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 31f064fff3ebdf8b0d35012487d5fbd7f72610b3ea62545822c4822f5f64be4e
[INFO] running `Command { std: "docker" "start" "-a" "31f064fff3ebdf8b0d35012487d5fbd7f72610b3ea62545822c4822f5f64be4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ray-tracing-in-one-weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `closest_so_far` is assigned to, but never used
[INFO] [stdout]   --> src/raytracing.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut closest_so_far = t_max;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_closest_so_far` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `closest_so_far` is never read
[INFO] [stdout]   --> src/raytracing.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 closest_so_far = hit_rec.t;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Color)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `assert_approx_eq::assert_approx_eq`
[INFO] [stdout]    --> src/raytracing.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |     use assert_approx_eq::assert_approx_eq;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vec::Point3`
[INFO] [stdout]    --> src/raytracing.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     use crate::vec::Point3;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `closest_so_far` is assigned to, but never used
[INFO] [stdout]   --> src/raytracing.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut closest_so_far = t_max;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_closest_so_far` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `closest_so_far` is never read
[INFO] [stdout]   --> src/raytracing.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 closest_so_far = hit_rec.t;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Color)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/ray_tracing_in_one_weekend-befccacbb04bf9d3)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/ray_tracing_in_one_weekend-80273f42f33702a5)
[INFO] running `Command { std: "docker" "inspect" "31f064fff3ebdf8b0d35012487d5fbd7f72610b3ea62545822c4822f5f64be4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f064fff3ebdf8b0d35012487d5fbd7f72610b3ea62545822c4822f5f64be4e", kill_on_drop: false }`
[INFO] [stdout] 31f064fff3ebdf8b0d35012487d5fbd7f72610b3ea62545822c4822f5f64be4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e1562951966f259af5f71932ee984341d23d2ef4b21511e172ecdf67907bf171
[INFO] running `Command { std: "docker" "start" "-a" "e1562951966f259af5f71932ee984341d23d2ef4b21511e172ecdf67907bf171", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test raytracing::tests::check_at ... ok
[INFO] [stdout] test vec::tests::check_division_vec3_on_f64 ... ok
[INFO] [stdout] test vec::tests::check_dot ... ok
[INFO] [stdout] test vec::tests::check_mul_vec3_on_f64 ... ok
[INFO] [stdout] test vec::tests::check_subtraction_vec3 ... ok
[INFO] [stdout] test vec::tests::check_unit_vector ... ok
[INFO] [stderr] warning: variable `closest_so_far` is assigned to, but never used
[INFO] [stderr]   --> src/raytracing.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut closest_so_far = t_max;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_closest_so_far` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `closest_so_far` is never read
[INFO] [stderr]   --> src/raytracing.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 closest_so_far = hit_rec.t;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_in`
[INFO] [stderr]   --> src/material.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Color)> {
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `assert_approx_eq::assert_approx_eq`
[INFO] [stderr]    --> src/raytracing.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |     use assert_approx_eq::assert_approx_eq;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::vec::Point3`
[INFO] [stderr]    --> src/raytracing.rs:175:9
[INFO] [stderr]     |
[INFO] [stderr] 175 |     use crate::vec::Point3;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ray-tracing-in-one-weekend` (lib) generated 3 warnings
[INFO] [stderr] warning: `ray-tracing-in-one-weekend` (lib test) generated 5 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ray_tracing_in_one_weekend-befccacbb04bf9d3)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ray_tracing_in_one_weekend-80273f42f33702a5)
[INFO] [stdout] test vec::tests::check_add_impl ... ok
[INFO] [stdout] test vec::tests::check_display ... ok
[INFO] [stdout] test vec::tests::check_mul_f64_on_vec3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [stderr]    Doc-tests ray-tracing-in-one-weekend
[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" "e1562951966f259af5f71932ee984341d23d2ef4b21511e172ecdf67907bf171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1562951966f259af5f71932ee984341d23d2ef4b21511e172ecdf67907bf171", kill_on_drop: false }`
[INFO] [stdout] e1562951966f259af5f71932ee984341d23d2ef4b21511e172ecdf67907bf171