[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 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhclarke%2Ftracer" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hclarke/tracer on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 661511ddde557383dedf6971860b0e44962529811ff494b4ada1bb40d652ac64
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "661511ddde557383dedf6971860b0e44962529811ff494b4ada1bb40d652ac64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "661511ddde557383dedf6971860b0e44962529811ff494b4ada1bb40d652ac64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "661511ddde557383dedf6971860b0e44962529811ff494b4ada1bb40d652ac64", kill_on_drop: false }`
[INFO] [stdout] 661511ddde557383dedf6971860b0e44962529811ff494b4ada1bb40d652ac64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 072107cb9a67e9cf17b91cb8f22f6df6a3960f966773948a93bf95ef62fa7f30
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "072107cb9a67e9cf17b91cb8f22f6df6a3960f966773948a93bf95ef62fa7f30", kill_on_drop: false }`
[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 2.00s
[INFO] running `Command { std: "docker" "inspect" "072107cb9a67e9cf17b91cb8f22f6df6a3960f966773948a93bf95ef62fa7f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072107cb9a67e9cf17b91cb8f22f6df6a3960f966773948a93bf95ef62fa7f30", kill_on_drop: false }`
[INFO] [stdout] 072107cb9a67e9cf17b91cb8f22f6df6a3960f966773948a93bf95ef62fa7f30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c833cae8fe8a49811b43593724ad937c6532d45221605147df72b7f54cc363b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c833cae8fe8a49811b43593724ad937c6532d45221605147df72b7f54cc363b9", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c833cae8fe8a49811b43593724ad937c6532d45221605147df72b7f54cc363b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c833cae8fe8a49811b43593724ad937c6532d45221605147df72b7f54cc363b9", kill_on_drop: false }`
[INFO] [stdout] c833cae8fe8a49811b43593724ad937c6532d45221605147df72b7f54cc363b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37e406901ee22b596014e7d25c13b8141db8a3ee390ed747a45284b6c2e6db9b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "37e406901ee22b596014e7d25c13b8141db8a3ee390ed747a45284b6c2e6db9b", kill_on_drop: false }`
[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: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracer-8320461eea1a5166
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "37e406901ee22b596014e7d25c13b8141db8a3ee390ed747a45284b6c2e6db9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e406901ee22b596014e7d25c13b8141db8a3ee390ed747a45284b6c2e6db9b", kill_on_drop: false }`
[INFO] [stdout] 37e406901ee22b596014e7d25c13b8141db8a3ee390ed747a45284b6c2e6db9b