[INFO] updating cached repository hclarke/tracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hclarke/tracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hclarke/tracer" "work/ex/beta-1.37-6/sources/1.36.0/gh/hclarke/tracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hclarke/tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hclarke/tracer" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hclarke/tracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hclarke/tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dfc09da0823eab64d3d77fc8fbedbc059279cf4b
[INFO] sha for GitHub repo hclarke/tracer: dfc09da0823eab64d3d77fc8fbedbc059279cf4b
[INFO] validating manifest of hclarke/tracer 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 hclarke/tracer 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 hclarke/tracer
[INFO] finished frobbing hclarke/tracer
[INFO] frobbed toml for hclarke/tracer written to work/ex/beta-1.37-6/sources/1.36.0/gh/hclarke/tracer/Cargo.toml
[INFO] started frobbing hclarke/tracer
[INFO] finished frobbing hclarke/tracer
[INFO] frobbed toml for hclarke/tracer written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hclarke/tracer/Cargo.toml
[INFO] crate hclarke/tracer 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 hclarke/tracer 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hclarke/tracer:/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] 26e052c6a1350e07b97c236da8678ffcac475b22f58d82bb828d2b43a7f03ee5
[INFO] running `"docker" "start" "-a" "26e052c6a1350e07b97c236da8678ffcac475b22f58d82bb828d2b43a7f03ee5"`
[INFO] [stderr]    Compiling png_encode_mini v0.1.2
[INFO] [stderr]    Compiling tracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/main.rs:120:14
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn get_color(rng : &Rng, o:V3, d:V3) -> V3 {
[INFO] [stderr]     |              ^^^ help: consider prefixing with an underscore: `_rng`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sval`
[INFO] [stderr]   --> src/rnd.rs:43:2
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn sval(&self) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ubox`
[INFO] [stderr]   --> src/rnd.rs:57:2
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn ubox<T:V>(&self) ->T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sbox`
[INFO] [stderr]   --> src/rnd.rs:61:2
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn sbox<T:V>(&self) ->T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gaussian2`
[INFO] [stderr]   --> src/rnd.rs:65:2
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn gaussian2(&self) -> V2 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gaussian`
[INFO] [stderr]   --> src/rnd.rs:72:2
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn gaussian<T:V>(&self) -> T{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cross`
[INFO] [stderr]    --> src/vec.rs:202:2
[INFO] [stderr]     |
[INFO] [stderr] 202 |     pub fn cross(self,rhs:V3) -> V3 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_color`
[INFO] [stderr]    --> src/main.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn get_color(rng : &Rng, o:V3, d:V3) -> V3 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `"docker" "inspect" "26e052c6a1350e07b97c236da8678ffcac475b22f58d82bb828d2b43a7f03ee5"`
[INFO] running `"docker" "rm" "-f" "26e052c6a1350e07b97c236da8678ffcac475b22f58d82bb828d2b43a7f03ee5"`
[INFO] [stdout] 26e052c6a1350e07b97c236da8678ffcac475b22f58d82bb828d2b43a7f03ee5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hclarke/tracer:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 61e3d6244a9226ebc27fbc9cf95bcff9d05982dcba03054fc1ea6f394e5c4e5d
[INFO] running `"docker" "start" "-a" "61e3d6244a9226ebc27fbc9cf95bcff9d05982dcba03054fc1ea6f394e5c4e5d"`
[INFO] [stderr]    Compiling tracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/main.rs:120:14
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn get_color(rng : &Rng, o:V3, d:V3) -> V3 {
[INFO] [stderr]     |              ^^^ help: consider prefixing with an underscore: `_rng`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ubox`
[INFO] [stderr]   --> src/rnd.rs:57:2
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn ubox<T:V>(&self) ->T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sbox`
[INFO] [stderr]   --> src/rnd.rs:61:2
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn sbox<T:V>(&self) ->T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gaussian2`
[INFO] [stderr]   --> src/rnd.rs:65:2
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn gaussian2(&self) -> V2 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gaussian`
[INFO] [stderr]   --> src/rnd.rs:72:2
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn gaussian<T:V>(&self) -> T{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cross`
[INFO] [stderr]    --> src/vec.rs:202:2
[INFO] [stderr]     |
[INFO] [stderr] 202 |     pub fn cross(self,rhs:V3) -> V3 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_color`
[INFO] [stderr]    --> src/main.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn get_color(rng : &Rng, o:V3, d:V3) -> V3 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "61e3d6244a9226ebc27fbc9cf95bcff9d05982dcba03054fc1ea6f394e5c4e5d"`
[INFO] running `"docker" "rm" "-f" "61e3d6244a9226ebc27fbc9cf95bcff9d05982dcba03054fc1ea6f394e5c4e5d"`
[INFO] [stdout] 61e3d6244a9226ebc27fbc9cf95bcff9d05982dcba03054fc1ea6f394e5c4e5d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hclarke/tracer:/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" "test" "--frozen"`
[INFO] [stdout] b4f0713ad1d4f9edf7f4bbfb517b46f7118d87f9d3cae9af20c04f56bab46f6f
[INFO] running `"docker" "start" "-a" "b4f0713ad1d4f9edf7f4bbfb517b46f7118d87f9d3cae9af20c04f56bab46f6f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tracer-661ad7c4583ad575
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test rnd::tests::uval_range ... ok
[INFO] [stdout] test rnd::tests::sval_range ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b4f0713ad1d4f9edf7f4bbfb517b46f7118d87f9d3cae9af20c04f56bab46f6f"`
[INFO] running `"docker" "rm" "-f" "b4f0713ad1d4f9edf7f4bbfb517b46f7118d87f9d3cae9af20c04f56bab46f6f"`
[INFO] [stdout] b4f0713ad1d4f9edf7f4bbfb517b46f7118d87f9d3cae9af20c04f56bab46f6f