[INFO] updating cached repository viorina/raytracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/viorina/raytracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/viorina/raytracer" "work/ex/beta-1.38-1/sources/1.37.0/gh/viorina/raytracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/viorina/raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/viorina/raytracer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/viorina/raytracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/viorina/raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13016469e9080fd6700f1ae35d848dbfdcc17619
[INFO] sha for GitHub repo viorina/raytracer: 13016469e9080fd6700f1ae35d848dbfdcc17619
[INFO] validating manifest of viorina/raytracer on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of viorina/raytracer on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing viorina/raytracer
[INFO] finished frobbing viorina/raytracer
[INFO] frobbed toml for viorina/raytracer written to work/ex/beta-1.38-1/sources/1.37.0/gh/viorina/raytracer/Cargo.toml
[INFO] started frobbing viorina/raytracer
[INFO] finished frobbing viorina/raytracer
[INFO] frobbed toml for viorina/raytracer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/viorina/raytracer/Cargo.toml
[INFO] crate viorina/raytracer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing viorina/raytracer against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/viorina/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d0a289391a4e5be4732d330964e3fcdbad65d9bbef0f812e614058f918e19d6d
[INFO] running `"docker" "start" "-a" "d0a289391a4e5be4732d330964e3fcdbad65d9bbef0f812e614058f918e19d6d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/color.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of `*pixel` which is behind a shared reference
[INFO] [stderr]   --> src/image.rs:40:37
[INFO] [stderr]    |
[INFO] [stderr] 40 |             writeln!(w, "{} {} {}", pixel.r(), pixel.g(), pixel.b())?;
[INFO] [stderr]    |                                     ^^^^^ move occurs because `*pixel` has type `color::Color`, which does not implement the `Copy` trait
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of `*pixel` which is behind a shared reference
[INFO] [stderr]   --> src/image.rs:40:48
[INFO] [stderr]    |
[INFO] [stderr] 40 |             writeln!(w, "{} {} {}", pixel.r(), pixel.g(), pixel.b())?;
[INFO] [stderr]    |                                                ^^^^^ move occurs because `*pixel` has type `color::Color`, which does not implement the `Copy` trait
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of `*pixel` which is behind a shared reference
[INFO] [stderr]   --> src/image.rs:40:59
[INFO] [stderr]    |
[INFO] [stderr] 40 |             writeln!(w, "{} {} {}", pixel.r(), pixel.g(), pixel.b())?;
[INFO] [stderr]    |                                                           ^^^^^ move occurs because `*pixel` has type `color::Color`, which does not implement the `Copy` trait
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0507`.
[INFO] [stderr] error: Could not compile `raytracer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d0a289391a4e5be4732d330964e3fcdbad65d9bbef0f812e614058f918e19d6d"`
[INFO] running `"docker" "rm" "-f" "d0a289391a4e5be4732d330964e3fcdbad65d9bbef0f812e614058f918e19d6d"`
[INFO] [stdout] d0a289391a4e5be4732d330964e3fcdbad65d9bbef0f812e614058f918e19d6d