[INFO] updating cached repository menuan/kektracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/menuan/kektracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/menuan/kektracer" "work/ex/beta-1.38-1/sources/1.37.0/gh/menuan/kektracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/menuan/kektracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/menuan/kektracer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/menuan/kektracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/menuan/kektracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 840dac2bd650d75abf1d3f41223d33b4fd236306
[INFO] sha for GitHub repo menuan/kektracer: 840dac2bd650d75abf1d3f41223d33b4fd236306
[INFO] validating manifest of menuan/kektracer 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 menuan/kektracer 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 menuan/kektracer
[INFO] finished frobbing menuan/kektracer
[INFO] frobbed toml for menuan/kektracer written to work/ex/beta-1.38-1/sources/1.37.0/gh/menuan/kektracer/Cargo.toml
[INFO] started frobbing menuan/kektracer
[INFO] finished frobbing menuan/kektracer
[INFO] frobbed toml for menuan/kektracer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/menuan/kektracer/Cargo.toml
[INFO] crate menuan/kektracer 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 menuan/kektracer against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/menuan/kektracer:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1a057c9d96d1467cca74c232c05b698dd47d541bd77f8495314350e50af2c10e
[INFO] running `"docker" "start" "-a" "1a057c9d96d1467cca74c232c05b698dd47d541bd77f8495314350e50af2c10e"`
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling minifb v0.11.2
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:480:29
[INFO] [stderr]     |
[INFO] [stderr] 480 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_mut`
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn get_mut(&mut self, x: usize, y: usize) -> Option<&mut u32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.74s
[INFO] running `"docker" "inspect" "1a057c9d96d1467cca74c232c05b698dd47d541bd77f8495314350e50af2c10e"`
[INFO] running `"docker" "rm" "-f" "1a057c9d96d1467cca74c232c05b698dd47d541bd77f8495314350e50af2c10e"`
[INFO] [stdout] 1a057c9d96d1467cca74c232c05b698dd47d541bd77f8495314350e50af2c10e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/menuan/kektracer:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 59c77e4ca6c38006f51967e7c1a48f29060e38049e74bceea627be5630507d5e
[INFO] running `"docker" "start" "-a" "59c77e4ca6c38006f51967e7c1a48f29060e38049e74bceea627be5630507d5e"`
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:480:29
[INFO] [stderr]     |
[INFO] [stderr] 480 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_mut`
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn get_mut(&mut self, x: usize, y: usize) -> Option<&mut u32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "59c77e4ca6c38006f51967e7c1a48f29060e38049e74bceea627be5630507d5e"`
[INFO] running `"docker" "rm" "-f" "59c77e4ca6c38006f51967e7c1a48f29060e38049e74bceea627be5630507d5e"`
[INFO] [stdout] 59c77e4ca6c38006f51967e7c1a48f29060e38049e74bceea627be5630507d5e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/menuan/kektracer:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f8ff5cfa42c3f78ed92c4a9f11e89039c7761366138e94658faa8209114684b3
[INFO] running `"docker" "start" "-a" "f8ff5cfa42c3f78ed92c4a9f11e89039c7761366138e94658faa8209114684b3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/raytracer-da459343257f2150
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f8ff5cfa42c3f78ed92c4a9f11e89039c7761366138e94658faa8209114684b3"`
[INFO] running `"docker" "rm" "-f" "f8ff5cfa42c3f78ed92c4a9f11e89039c7761366138e94658faa8209114684b3"`
[INFO] [stdout] f8ff5cfa42c3f78ed92c4a9f11e89039c7761366138e94658faa8209114684b3