[INFO] updating cached repository https://github.com/Stratus51/geoloc_test_tools
[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] 275ec6c3c58e4a7fcdd95fa4ae8bd60840cc99f1
[INFO] checking Stratus51/geoloc_test_tools against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStratus51%2Fgeoloc_test_tools" "/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/Stratus51/geoloc_test_tools on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Stratus51/geoloc_test_tools
[INFO] finished tweaking git repo https://github.com/Stratus51/geoloc_test_tools
[INFO] tweaked toml for git repo https://github.com/Stratus51/geoloc_test_tools written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Stratus51/geoloc_test_tools already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 44e9d3be50076eca12db4698a90ccfac5aec96837ea523d7a591c8379c5a1a8a
[INFO] running `"docker" "start" "-a" "44e9d3be50076eca12db4698a90ccfac5aec96837ea523d7a591c8379c5a1a8a"`
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking x11-dl v2.18.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling minifb v0.13.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking cgmath v0.17.0
[INFO] [stderr]     Checking radio_localization_tests v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `cgmath::prelude`
[INFO] [stderr]  --> src/distance_estimator.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use cgmath::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cgmath::prelude`
[INFO] [stderr]  --> src/position_estimator.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use cgmath::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_rand_sensors`
[INFO] [stderr]   --> src/main.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn generate_rand_sensors(n: usize, max: f32) -> Vec<(f32, f32)> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cgmath::prelude`
[INFO] [stderr]  --> src/distance_estimator.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use cgmath::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cgmath::prelude`
[INFO] [stderr]  --> src/position_estimator.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use cgmath::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_rand_sensors`
[INFO] [stderr]   --> src/main.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn generate_rand_sensors(n: usize, max: f32) -> Vec<(f32, f32)> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.42s
[INFO] running `"docker" "inspect" "44e9d3be50076eca12db4698a90ccfac5aec96837ea523d7a591c8379c5a1a8a"`
[INFO] running `"docker" "rm" "-f" "44e9d3be50076eca12db4698a90ccfac5aec96837ea523d7a591c8379c5a1a8a"`
[INFO] [stdout] 44e9d3be50076eca12db4698a90ccfac5aec96837ea523d7a591c8379c5a1a8a