[INFO] updating cached repository https://github.com/hclarke/tracer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dfc09da0823eab64d3d77fc8fbedbc059279cf4b
[INFO] testing hclarke/tracer against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhclarke%2Ftracer" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hclarke/tracer on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/hclarke/tracer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc7b747de3dea8d0b4002dc121fdc3c2b63d93e956b01a4325aae727d47ea3a1
[INFO] running `"docker" "start" "-a" "fc7b747de3dea8d0b4002dc121fdc3c2b63d93e956b01a4325aae727d47ea3a1"`
[INFO] [stderr]    Compiling png_encode_mini v0.1.2
[INFO] [stderr]    Compiling tracer v0.1.0 (/opt/rustwide/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: 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: 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:120:4
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn get_color(rng : &Rng, o:V3, d:V3) -> V3 {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "fc7b747de3dea8d0b4002dc121fdc3c2b63d93e956b01a4325aae727d47ea3a1"`
[INFO] running `"docker" "rm" "-f" "fc7b747de3dea8d0b4002dc121fdc3c2b63d93e956b01a4325aae727d47ea3a1"`
[INFO] [stdout] fc7b747de3dea8d0b4002dc121fdc3c2b63d93e956b01a4325aae727d47ea3a1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 31c645d8262bdd3bf934474d80c82fd8074985807cfea30d9e03fe467a174903
[INFO] running `"docker" "start" "-a" "31c645d8262bdd3bf934474d80c82fd8074985807cfea30d9e03fe467a174903"`
[INFO] [stderr]    Compiling tracer v0.1.0 (/opt/rustwide/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: 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: 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:120:4
[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 1.25s
[INFO] running `"docker" "inspect" "31c645d8262bdd3bf934474d80c82fd8074985807cfea30d9e03fe467a174903"`
[INFO] running `"docker" "rm" "-f" "31c645d8262bdd3bf934474d80c82fd8074985807cfea30d9e03fe467a174903"`
[INFO] [stdout] 31c645d8262bdd3bf934474d80c82fd8074985807cfea30d9e03fe467a174903
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stdout] 06e5d7f3fdac329dbd2f9dcc0bd50566c6462f200d8fb279a9fb1e37a88dd52c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "06e5d7f3fdac329dbd2f9dcc0bd50566c6462f200d8fb279a9fb1e37a88dd52c"`
[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: 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:120:4
[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 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracer-949910f6fff6ce5e
[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 `"docker" "inspect" "06e5d7f3fdac329dbd2f9dcc0bd50566c6462f200d8fb279a9fb1e37a88dd52c"`
[INFO] running `"docker" "rm" "-f" "06e5d7f3fdac329dbd2f9dcc0bd50566c6462f200d8fb279a9fb1e37a88dd52c"`
[INFO] [stdout] 06e5d7f3fdac329dbd2f9dcc0bd50566c6462f200d8fb279a9fb1e37a88dd52c