[INFO] cloning repository https://github.com/imunitic/tracer-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imunitic/tracer-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimunitic%2Ftracer-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimunitic%2Ftracer-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c4bdd0451c27d74e31dd70c9dd74d0c60f6de56
[INFO] checking imunitic/tracer-rs against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimunitic%2Ftracer-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imunitic/tracer-rs on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imunitic/tracer-rs
[INFO] finished tweaking git repo https://github.com/imunitic/tracer-rs
[INFO] tweaked toml for git repo https://github.com/imunitic/tracer-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/imunitic/tracer-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b77317fb1a1d28ea37d522750f2be26d3eb3d965b558cf4990e53104ec2152b
[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" "8b77317fb1a1d28ea37d522750f2be26d3eb3d965b558cf4990e53104ec2152b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b77317fb1a1d28ea37d522750f2be26d3eb3d965b558cf4990e53104ec2152b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b77317fb1a1d28ea37d522750f2be26d3eb3d965b558cf4990e53104ec2152b", kill_on_drop: false }`
[INFO] [stdout] 8b77317fb1a1d28ea37d522750f2be26d3eb3d965b558cf4990e53104ec2152b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2befc2586fa60b7d735bb2bf0d45f9e00c0aa5d3dc8d171060d4ce3e018df8b9
[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" "2befc2586fa60b7d735bb2bf0d45f9e00c0aa5d3dc8d171060d4ce3e018df8b9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking tracer-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated constant is never used: `EPSILON`
[INFO] [stdout]   --> src/color.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     const EPSILON: f64 = 0.00001_f64;
[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: `eq`
[INFO] [stdout]   --> src/color.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn eq(self, rhs: Color) -> bool {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/color.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn default() -> Color {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `EPSILON`
[INFO] [stdout]   --> src/tuple.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     const EPSILON: f64 = 0.00001_f64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eq`
[INFO] [stdout]   --> src/tuple.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn eq(self, other: Tuple) -> bool {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dot`
[INFO] [stdout]   --> src/tuple.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn dot(self, other: Tuple) -> f64 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]   --> src/tuple.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn cross(self, other: Tuple) -> Tuple {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/color.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn default() -> Color {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "2befc2586fa60b7d735bb2bf0d45f9e00c0aa5d3dc8d171060d4ce3e018df8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2befc2586fa60b7d735bb2bf0d45f9e00c0aa5d3dc8d171060d4ce3e018df8b9", kill_on_drop: false }`
[INFO] [stdout] 2befc2586fa60b7d735bb2bf0d45f9e00c0aa5d3dc8d171060d4ce3e018df8b9