[INFO] updating cached repository AlonSh/rust-raytracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AlonSh/rust-raytracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AlonSh/rust-raytracer" "work/ex/beta-1.37-6/sources/1.36.0/gh/AlonSh/rust-raytracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/AlonSh/rust-raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AlonSh/rust-raytracer" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlonSh/rust-raytracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlonSh/rust-raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 26c4d25c137498e1723fd37024709cae6e4dea64
[INFO] sha for GitHub repo AlonSh/rust-raytracer: 26c4d25c137498e1723fd37024709cae6e4dea64
[INFO] validating manifest of AlonSh/rust-raytracer on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AlonSh/rust-raytracer on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AlonSh/rust-raytracer
[INFO] finished frobbing AlonSh/rust-raytracer
[INFO] frobbed toml for AlonSh/rust-raytracer written to work/ex/beta-1.37-6/sources/1.36.0/gh/AlonSh/rust-raytracer/Cargo.toml
[INFO] started frobbing AlonSh/rust-raytracer
[INFO] finished frobbing AlonSh/rust-raytracer
[INFO] frobbed toml for AlonSh/rust-raytracer written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlonSh/rust-raytracer/Cargo.toml
[INFO] crate AlonSh/rust-raytracer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing AlonSh/rust-raytracer against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/AlonSh/rust-raytracer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 78ec8a5f50c3a519e9268ef5bfd37297ff764cfb58371a0e77cb032ecccbcac7
[INFO] running `"docker" "start" "-a" "78ec8a5f50c3a519e9268ef5bfd37297ff764cfb58371a0e77cb032ecccbcac7"`
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling clicolors-control v0.2.0
[INFO] [stderr]    Compiling lock_api v0.1.3
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling parking_lot v0.6.2
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling console v0.6.1
[INFO] [stderr]    Compiling indicatif v0.9.0
[INFO] [stderr]    Compiling ray-tracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `vec3::Vec3`
[INFO] [stderr]    --> src/vec3.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |     use vec3::Vec3;
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vec3::Vec3`
[INFO] [stderr]   --> src/ray.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     use vec3::Vec3;
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ray::Ray`
[INFO] [stderr]   --> src/ray.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     use ray::Ray;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stderr]  --> src/hitables/hitable.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::Debug;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stderr]  --> src/hitables/sphere.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fmt::Debug;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stderr]  --> src/hitables/hitable_list.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::Debug;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `materials::material::Material`
[INFO] [stderr]  --> src/hitables/hitable_list.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use materials::material::Material;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stderr]  --> src/materials/material.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::Debug;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `alloc_system`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate alloc_system;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `ray-tracer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "78ec8a5f50c3a519e9268ef5bfd37297ff764cfb58371a0e77cb032ecccbcac7"`
[INFO] running `"docker" "rm" "-f" "78ec8a5f50c3a519e9268ef5bfd37297ff764cfb58371a0e77cb032ecccbcac7"`
[INFO] [stdout] 78ec8a5f50c3a519e9268ef5bfd37297ff764cfb58371a0e77cb032ecccbcac7