[INFO] updating cached repository AberrantWolf/MaybeTrace
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AberrantWolf/MaybeTrace
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AberrantWolf/MaybeTrace" "work/ex/beta-1.38-1/sources/1.37.0/gh/AberrantWolf/MaybeTrace"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AberrantWolf/MaybeTrace'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AberrantWolf/MaybeTrace" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AberrantWolf/MaybeTrace"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AberrantWolf/MaybeTrace'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 580b9c78f08eadca0ac95922277b47398b567682
[INFO] sha for GitHub repo AberrantWolf/MaybeTrace: 580b9c78f08eadca0ac95922277b47398b567682
[INFO] validating manifest of AberrantWolf/MaybeTrace 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 AberrantWolf/MaybeTrace 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 AberrantWolf/MaybeTrace
[INFO] finished frobbing AberrantWolf/MaybeTrace
[INFO] frobbed toml for AberrantWolf/MaybeTrace written to work/ex/beta-1.38-1/sources/1.37.0/gh/AberrantWolf/MaybeTrace/Cargo.toml
[INFO] started frobbing AberrantWolf/MaybeTrace
[INFO] finished frobbing AberrantWolf/MaybeTrace
[INFO] frobbed toml for AberrantWolf/MaybeTrace written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AberrantWolf/MaybeTrace/Cargo.toml
[INFO] crate AberrantWolf/MaybeTrace 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 AberrantWolf/MaybeTrace 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/AberrantWolf/MaybeTrace:/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] 1667e8d3ce9cb220f750a73636ba5274ff6a5031829c32b9c1a0c3be8811fe3d
[INFO] running `"docker" "start" "-a" "1667e8d3ce9cb220f750a73636ba5274ff6a5031829c32b9c1a0c3be8811fe3d"`
[INFO] [stderr]    Compiling rand v0.4.1
[INFO] [stderr]    Compiling maybe_trace v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:234:24
[INFO] [stderr]     |
[INFO] [stderr] 234 |     material:Option<Rc<Material>>,
[INFO] [stderr]     |                        ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:254:17
[INFO] [stderr]     |
[INFO] [stderr] 254 |     material:Rc<Material>,
[INFO] [stderr]     |                 ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:257:39
[INFO] [stderr]     |
[INFO] [stderr] 257 |     fn new(ctr:Vec3D, rad:f32, mat:Rc<Material>) -> Sphere {
[INFO] [stderr]     |                                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:304:18
[INFO] [stderr]     |
[INFO] [stderr] 304 |     list:Vec<Box<Hitable>>,
[INFO] [stderr]     |                  ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:398:26
[INFO] [stderr]     |
[INFO] [stderr] 398 | fn color(ray:Ray, world:&Hitable, depth:i32) -> Box<Vec3D> {
[INFO] [stderr]     |                          ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:403:13
[INFO] [stderr]     |
[INFO] [stderr] 403 |         let mut m = rec.material.clone();
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cross`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn cross(&self, other: &Vec3D) -> Vec3D {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `normalize`
[INFO] [stderr]   --> src/main.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn normalize(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/main.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn new(orig: Vec3D, dir: Vec3D) -> Ray {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/main.rs:237:5
[INFO] [stderr]     |
[INFO] [stderr] 237 |     fn new() -> HitRecord {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `"docker" "inspect" "1667e8d3ce9cb220f750a73636ba5274ff6a5031829c32b9c1a0c3be8811fe3d"`
[INFO] running `"docker" "rm" "-f" "1667e8d3ce9cb220f750a73636ba5274ff6a5031829c32b9c1a0c3be8811fe3d"`
[INFO] [stdout] 1667e8d3ce9cb220f750a73636ba5274ff6a5031829c32b9c1a0c3be8811fe3d
[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/AberrantWolf/MaybeTrace:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 702cca7a5bacd5205fd491401a07235591672198129932c2e1e955c05fb820de
[INFO] running `"docker" "start" "-a" "702cca7a5bacd5205fd491401a07235591672198129932c2e1e955c05fb820de"`
[INFO] [stderr]    Compiling maybe_trace v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:234:24
[INFO] [stderr]     |
[INFO] [stderr] 234 |     material:Option<Rc<Material>>,
[INFO] [stderr]     |                        ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:254:17
[INFO] [stderr]     |
[INFO] [stderr] 254 |     material:Rc<Material>,
[INFO] [stderr]     |                 ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:257:39
[INFO] [stderr]     |
[INFO] [stderr] 257 |     fn new(ctr:Vec3D, rad:f32, mat:Rc<Material>) -> Sphere {
[INFO] [stderr]     |                                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:304:18
[INFO] [stderr]     |
[INFO] [stderr] 304 |     list:Vec<Box<Hitable>>,
[INFO] [stderr]     |                  ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:398:26
[INFO] [stderr]     |
[INFO] [stderr] 398 | fn color(ray:Ray, world:&Hitable, depth:i32) -> Box<Vec3D> {
[INFO] [stderr]     |                          ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:403:13
[INFO] [stderr]     |
[INFO] [stderr] 403 |         let mut m = rec.material.clone();
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cross`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn cross(&self, other: &Vec3D) -> Vec3D {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `normalize`
[INFO] [stderr]   --> src/main.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn normalize(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/main.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn new(orig: Vec3D, dir: Vec3D) -> Ray {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/main.rs:237:5
[INFO] [stderr]     |
[INFO] [stderr] 237 |     fn new() -> HitRecord {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "702cca7a5bacd5205fd491401a07235591672198129932c2e1e955c05fb820de"`
[INFO] running `"docker" "rm" "-f" "702cca7a5bacd5205fd491401a07235591672198129932c2e1e955c05fb820de"`
[INFO] [stdout] 702cca7a5bacd5205fd491401a07235591672198129932c2e1e955c05fb820de
[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/AberrantWolf/MaybeTrace:/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" "test" "--frozen"`
[INFO] [stdout] 42d60f4b830a3bdda9d339dd3f8f2385b4d56cc5054d1298699742c0a99ce760
[INFO] running `"docker" "start" "-a" "42d60f4b830a3bdda9d339dd3f8f2385b4d56cc5054d1298699742c0a99ce760"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/maybe_trace-a3f0566f15fb747e
[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" "42d60f4b830a3bdda9d339dd3f8f2385b4d56cc5054d1298699742c0a99ce760"`
[INFO] running `"docker" "rm" "-f" "42d60f4b830a3bdda9d339dd3f8f2385b4d56cc5054d1298699742c0a99ce760"`
[INFO] [stdout] 42d60f4b830a3bdda9d339dd3f8f2385b4d56cc5054d1298699742c0a99ce760