[INFO] updating cached repository https://github.com/hclarke/tracer
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfc09da0823eab64d3d77fc8fbedbc059279cf4b
[INFO] testing hclarke/tracer against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhclarke%2Ftracer" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[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 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-8/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cc032516f84d9d301b98b398f9bd5a8e73e78f5dbe6c6327246bed618131473
[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" "0cc032516f84d9d301b98b398f9bd5a8e73e78f5dbe6c6327246bed618131473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cc032516f84d9d301b98b398f9bd5a8e73e78f5dbe6c6327246bed618131473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cc032516f84d9d301b98b398f9bd5a8e73e78f5dbe6c6327246bed618131473", kill_on_drop: false }`
[INFO] [stdout] 0cc032516f84d9d301b98b398f9bd5a8e73e78f5dbe6c6327246bed618131473
[INFO] running `Command { std: "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c72649244cc76b853c39449f7fde55d4c5441737e05dc8faaba6ecd2459cb411
[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" "c72649244cc76b853c39449f7fde55d4c5441737e05dc8faaba6ecd2459cb411", 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 1.46s
[INFO] running `Command { std: "docker" "inspect" "c72649244cc76b853c39449f7fde55d4c5441737e05dc8faaba6ecd2459cb411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72649244cc76b853c39449f7fde55d4c5441737e05dc8faaba6ecd2459cb411", kill_on_drop: false }`
[INFO] [stdout] c72649244cc76b853c39449f7fde55d4c5441737e05dc8faaba6ecd2459cb411
[INFO] running `Command { std: "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ddc004e239268b1b2a27dad9acfaa6f65fcd739dc19246170078b6fc3017cb2
[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" "2ddc004e239268b1b2a27dad9acfaa6f65fcd739dc19246170078b6fc3017cb2", 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 1.00s
[INFO] running `Command { std: "docker" "inspect" "2ddc004e239268b1b2a27dad9acfaa6f65fcd739dc19246170078b6fc3017cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ddc004e239268b1b2a27dad9acfaa6f65fcd739dc19246170078b6fc3017cb2", kill_on_drop: false }`
[INFO] [stdout] 2ddc004e239268b1b2a27dad9acfaa6f65fcd739dc19246170078b6fc3017cb2
[INFO] running `Command { std: "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8cdeb14a1617379ef83156ea179ee76cce0c89065a466048a666a0d4c08e12f8
[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" "8cdeb14a1617379ef83156ea179ee76cce0c89065a466048a666a0d4c08e12f8", 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 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracer-920a3279074039f0
[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 `Command { std: "docker" "inspect" "8cdeb14a1617379ef83156ea179ee76cce0c89065a466048a666a0d4c08e12f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cdeb14a1617379ef83156ea179ee76cce0c89065a466048a666a0d4c08e12f8", kill_on_drop: false }`
[INFO] [stdout] 8cdeb14a1617379ef83156ea179ee76cce0c89065a466048a666a0d4c08e12f8