[INFO] cloning repository https://github.com/hclarke/tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hclarke/tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhclarke%2Ftracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhclarke%2Ftracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfc09da0823eab64d3d77fc8fbedbc059279cf4b
[INFO] testing hclarke/tracer against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhclarke%2Ftracer" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hclarke/tracer on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hclarke/tracer
[INFO] finished tweaking git repo https://github.com/hclarke/tracer
[INFO] tweaked toml for git repo https://github.com/hclarke/tracer written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/hclarke/tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png_encode_mini v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2edf6267e324dc813c9522f97d02fb9bdc793df44e5a00d63e110210c4666da3
[INFO] running `Command { std: "docker" "start" "-a" "2edf6267e324dc813c9522f97d02fb9bdc793df44e5a00d63e110210c4666da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2edf6267e324dc813c9522f97d02fb9bdc793df44e5a00d63e110210c4666da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2edf6267e324dc813c9522f97d02fb9bdc793df44e5a00d63e110210c4666da3", kill_on_drop: false }`
[INFO] [stdout] 2edf6267e324dc813c9522f97d02fb9bdc793df44e5a00d63e110210c4666da3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db58f1d570453d9bcb5a505be1eec50d5c707d000c5461d8aa9c7ef1ac4b9b64
[INFO] running `Command { std: "docker" "start" "-a" "db58f1d570453d9bcb5a505be1eec50d5c707d000c5461d8aa9c7ef1ac4b9b64", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling png_encode_mini v0.1.2
[INFO] [stderr]    Compiling tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:120:14
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn get_color(rng : &Rng, o:V3, d:V3) -> V3 {
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sval`
[INFO] [stdout]   --> src/rnd.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn sval(&self) -> f32 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ubox`
[INFO] [stdout]   --> src/rnd.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn ubox<T:V>(&self) ->T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sbox`
[INFO] [stdout]   --> src/rnd.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn sbox<T:V>(&self) ->T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gaussian2`
[INFO] [stdout]   --> src/rnd.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn gaussian2(&self) -> V2 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gaussian`
[INFO] [stdout]   --> src/rnd.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn gaussian<T:V>(&self) -> T{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]    --> src/vec.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub fn cross(self,rhs:V3) -> V3 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_color`
[INFO] [stdout]    --> src/main.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn get_color(rng : &Rng, o:V3, d:V3) -> V3 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.64s
[INFO] running `Command { std: "docker" "inspect" "db58f1d570453d9bcb5a505be1eec50d5c707d000c5461d8aa9c7ef1ac4b9b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db58f1d570453d9bcb5a505be1eec50d5c707d000c5461d8aa9c7ef1ac4b9b64", kill_on_drop: false }`
[INFO] [stdout] db58f1d570453d9bcb5a505be1eec50d5c707d000c5461d8aa9c7ef1ac4b9b64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e2595d5aa883de65cba860eb00d9b0b043906f253910a1645c5565e834ff9f0
[INFO] running `Command { std: "docker" "start" "-a" "0e2595d5aa883de65cba860eb00d9b0b043906f253910a1645c5565e834ff9f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:120:14
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn get_color(rng : &Rng, o:V3, d:V3) -> V3 {
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ubox`
[INFO] [stdout]   --> src/rnd.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn ubox<T:V>(&self) ->T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sbox`
[INFO] [stdout]   --> src/rnd.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn sbox<T:V>(&self) ->T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gaussian2`
[INFO] [stdout]   --> src/rnd.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn gaussian2(&self) -> V2 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gaussian`
[INFO] [stdout]   --> src/rnd.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn gaussian<T:V>(&self) -> T{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]    --> src/vec.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub fn cross(self,rhs:V3) -> V3 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_color`
[INFO] [stdout]    --> src/main.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn get_color(rng : &Rng, o:V3, d:V3) -> V3 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "0e2595d5aa883de65cba860eb00d9b0b043906f253910a1645c5565e834ff9f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e2595d5aa883de65cba860eb00d9b0b043906f253910a1645c5565e834ff9f0", kill_on_drop: false }`
[INFO] [stdout] 0e2595d5aa883de65cba860eb00d9b0b043906f253910a1645c5565e834ff9f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46af3c3c1ef5c3a96fdda1957724732a7c1dc7bef2ec5446bf2816c33022580c
[INFO] running `Command { std: "docker" "start" "-a" "46af3c3c1ef5c3a96fdda1957724732a7c1dc7bef2ec5446bf2816c33022580c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ubox`
[INFO] [stderr]   --> src/rnd.rs:57:9
[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: associated function is never used: `sbox`
[INFO] [stderr]   --> src/rnd.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn sbox<T:V>(&self) ->T {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `gaussian2`
[INFO] [stderr]   --> src/rnd.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn gaussian2(&self) -> V2 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `gaussian`
[INFO] [stderr]   --> src/rnd.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn gaussian<T:V>(&self) -> T{
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cross`
[INFO] [stderr]    --> src/vec.rs:202:9
[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:120:4
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn get_color(rng : &Rng, o:V3, d:V3) -> V3 {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tracer` (bin "tracer" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracer-ec4b761d07c3fdb6)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test rnd::tests::sval_range ... ok
[INFO] [stdout] test rnd::tests::uval_range ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "46af3c3c1ef5c3a96fdda1957724732a7c1dc7bef2ec5446bf2816c33022580c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46af3c3c1ef5c3a96fdda1957724732a7c1dc7bef2ec5446bf2816c33022580c", kill_on_drop: false }`
[INFO] [stdout] 46af3c3c1ef5c3a96fdda1957724732a7c1dc7bef2ec5446bf2816c33022580c