[INFO] updating cached repository https://github.com/barnex/2d-molecular-dynamics
[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] c174dfb508623352d21aef4bc69b0f9537359270
[INFO] checking barnex/2d-molecular-dynamics against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarnex%2F2d-molecular-dynamics" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/barnex/2d-molecular-dynamics on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/barnex/2d-molecular-dynamics
[INFO] finished tweaking git repo https://github.com/barnex/2d-molecular-dynamics
[INFO] tweaked toml for git repo https://github.com/barnex/2d-molecular-dynamics written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/barnex/2d-molecular-dynamics already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: package.path
[INFO] running `"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" "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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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] 95c527a2c2836e895548468db9398fef36314dc8c478cb887d39efc8b568bc0b
[INFO] running `"docker" "start" "-a" "95c527a2c2836e895548468db9398fef36314dc8c478cb887d39efc8b568bc0b"`
[INFO] [stderr] warning: unused manifest key: package.path
[INFO] [stderr]     Checking sdl2-sys v0.33.0
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.22.4
[INFO] [stderr]     Checking sdl2 v0.33.0
[INFO] [stderr]     Checking atoms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `e_lj`
[INFO] [stderr]   --> src/atom.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn e_lj(r2: f32) -> f32 {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `f_brute`
[INFO] [stderr]   --> src/sim.rs:99:4
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn f_brute(atoms: &Vec<Atom>) -> Vec<Vec2> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `F` should have a snake case name
[INFO] [stderr]   --> src/grid.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 let F = atom::force(p1, p2);
[INFO] [stderr]    |                     ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `F` should have a snake case name
[INFO] [stderr]    --> src/grid.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |                 let F = atom::force(*p1, *p2);
[INFO] [stderr]     |                     ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `e_lj`
[INFO] [stderr]   --> src/atom.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn e_lj(r2: f32) -> f32 {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `f_brute`
[INFO] [stderr]   --> src/sim.rs:99:4
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn f_brute(atoms: &Vec<Atom>) -> Vec<Vec2> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `F` should have a snake case name
[INFO] [stderr]   --> src/grid.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 let F = atom::force(p1, p2);
[INFO] [stderr]    |                     ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `F` should have a snake case name
[INFO] [stderr]    --> src/grid.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |                 let F = atom::force(*p1, *p2);
[INFO] [stderr]     |                     ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.30s
[INFO] running `"docker" "inspect" "95c527a2c2836e895548468db9398fef36314dc8c478cb887d39efc8b568bc0b"`
[INFO] running `"docker" "rm" "-f" "95c527a2c2836e895548468db9398fef36314dc8c478cb887d39efc8b568bc0b"`
[INFO] [stdout] 95c527a2c2836e895548468db9398fef36314dc8c478cb887d39efc8b568bc0b