[INFO] cloning repository https://github.com/barnex/2d-molecular-dynamics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/barnex/2d-molecular-dynamics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarnex%2F2d-molecular-dynamics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarnex%2F2d-molecular-dynamics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c174dfb508623352d21aef4bc69b0f9537359270
[INFO] checking barnex/2d-molecular-dynamics against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarnex%2F2d-molecular-dynamics" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/barnex/2d-molecular-dynamics on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.path
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08d062e2376805357416472fb4c3d6bf7a56d59d5dfbc3c84a21a90a1872c5e8
[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" "08d062e2376805357416472fb4c3d6bf7a56d59d5dfbc3c84a21a90a1872c5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08d062e2376805357416472fb4c3d6bf7a56d59d5dfbc3c84a21a90a1872c5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d062e2376805357416472fb4c3d6bf7a56d59d5dfbc3c84a21a90a1872c5e8", kill_on_drop: false }`
[INFO] [stdout] 08d062e2376805357416472fb4c3d6bf7a56d59d5dfbc3c84a21a90a1872c5e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8ef19f179b85c241d72e76b63f103c36e8ec293bde24831f9214c49b3c36a06
[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" "e8ef19f179b85c241d72e76b63f103c36e8ec293bde24831f9214c49b3c36a06", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.path
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking num-rational v0.2.3
[INFO] [stderr]     Checking image v0.22.4
[INFO] [stderr]     Checking atoms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `e_lj`
[INFO] [stdout]   --> src/atom.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn e_lj(r2: f32) -> f32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f_brute`
[INFO] [stdout]   --> src/sim.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn f_brute(atoms: &Vec<Atom>) -> Vec<Vec2> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F` should have a snake case name
[INFO] [stdout]   --> src/grid.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let F = atom::force(p1, p2);
[INFO] [stdout]    |                     ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F` should have a snake case name
[INFO] [stdout]    --> src/grid.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 let F = atom::force(*p1, *p2);
[INFO] [stdout]     |                     ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `e_lj`
[INFO] [stdout]   --> src/atom.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn e_lj(r2: f32) -> f32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f_brute`
[INFO] [stdout]   --> src/sim.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn f_brute(atoms: &Vec<Atom>) -> Vec<Vec2> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F` should have a snake case name
[INFO] [stdout]   --> src/grid.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let F = atom::force(p1, p2);
[INFO] [stdout]    |                     ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F` should have a snake case name
[INFO] [stdout]    --> src/grid.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 let F = atom::force(*p1, *p2);
[INFO] [stdout]     |                     ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.00s
[INFO] running `Command { std: "docker" "inspect" "e8ef19f179b85c241d72e76b63f103c36e8ec293bde24831f9214c49b3c36a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8ef19f179b85c241d72e76b63f103c36e8ec293bde24831f9214c49b3c36a06", kill_on_drop: false }`
[INFO] [stdout] e8ef19f179b85c241d72e76b63f103c36e8ec293bde24831f9214c49b3c36a06