[INFO] cloning repository https://github.com/sigurof/gravity-practicing-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sigurof/gravity-practicing-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigurof%2Fgravity-practicing-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigurof%2Fgravity-practicing-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 579ecc033809fe54737b9c628e8de8b2428ba673
[INFO] testing sigurof/gravity-practicing-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigurof%2Fgravity-practicing-rust" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sigurof/gravity-practicing-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sigurof/gravity-practicing-rust
[INFO] finished tweaking git repo https://github.com/sigurof/gravity-practicing-rust
[INFO] tweaked toml for git repo https://github.com/sigurof/gravity-practicing-rust written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/sigurof/gravity-practicing-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alga v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd72f872005095c31f24ecaba4ba30a762b87bc958bfe091ea659778f0abab54
[INFO] running `Command { std: "docker" "start" "-a" "fd72f872005095c31f24ecaba4ba30a762b87bc958bfe091ea659778f0abab54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd72f872005095c31f24ecaba4ba30a762b87bc958bfe091ea659778f0abab54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd72f872005095c31f24ecaba4ba30a762b87bc958bfe091ea659778f0abab54", kill_on_drop: false }`
[INFO] [stdout] fd72f872005095c31f24ecaba4ba30a762b87bc958bfe091ea659778f0abab54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2b70e11669b62dc639ef730222ad9dd9e925fcb2131980eadaff979e2d7815c
[INFO] running `Command { std: "docker" "start" "-a" "b2b70e11669b62dc639ef730222ad9dd9e925fcb2131980eadaff979e2d7815c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling alga v0.9.1
[INFO] [stderr]    Compiling nalgebra v0.18.1
[INFO] [stderr]    Compiling gravity v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `nalgebra::Vector3 as v3`
[INFO] [stdout]  --> src/gravity/physical/system.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nalgebra::Vector3 as v3;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Runner`
[INFO] [stdout]  --> src/gravity/calculation.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Runner {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `t`
[INFO] [stdout]   --> src/gravity/calculation.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     t: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset_acceleration`
[INFO] [stdout]   --> src/gravity/physical/body.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn reset_acceleration(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_force`
[INFO] [stdout]   --> src/gravity/physical/body.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn set_force(&mut self, f: v3<f32>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_acceleration`
[INFO] [stdout]   --> src/gravity/physical/body.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn add_acceleration(&mut self, a: v3<f32>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mass`
[INFO] [stdout]   --> src/gravity/physical/body.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn get_mass(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_acceleration`
[INFO] [stdout]   --> src/gravity/physical/body.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn get_acceleration(&self) -> v3<f32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_velocity`
[INFO] [stdout]   --> src/gravity/physical/body.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn get_velocity(&self) -> v3<f32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_position`
[INFO] [stdout]   --> src/gravity/physical/body.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn get_position(&self) -> v3<f32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.72s
[INFO] running `Command { std: "docker" "inspect" "b2b70e11669b62dc639ef730222ad9dd9e925fcb2131980eadaff979e2d7815c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b70e11669b62dc639ef730222ad9dd9e925fcb2131980eadaff979e2d7815c", kill_on_drop: false }`
[INFO] [stdout] b2b70e11669b62dc639ef730222ad9dd9e925fcb2131980eadaff979e2d7815c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9d9eabf56f8ce2894343f15dea3c0e70431e1545694f3c564c469c3dda23e5b
[INFO] running `Command { std: "docker" "start" "-a" "b9d9eabf56f8ce2894343f15dea3c0e70431e1545694f3c564c469c3dda23e5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling gravity v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Runner`
[INFO] [stdout]  --> src/gravity/calculation.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Runner {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `t`
[INFO] [stdout]   --> src/gravity/calculation.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     t: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset_acceleration`
[INFO] [stdout]   --> src/gravity/physical/body.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn reset_acceleration(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_force`
[INFO] [stdout]   --> src/gravity/physical/body.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn set_force(&mut self, f: v3<f32>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mass`
[INFO] [stdout]   --> src/gravity/physical/body.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn get_mass(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bs_get_mass`
[INFO] [stdout]    --> src/gravity/physical/body.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn bs_get_mass() {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "b9d9eabf56f8ce2894343f15dea3c0e70431e1545694f3c564c469c3dda23e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d9eabf56f8ce2894343f15dea3c0e70431e1545694f3c564c469c3dda23e5b", kill_on_drop: false }`
[INFO] [stdout] b9d9eabf56f8ce2894343f15dea3c0e70431e1545694f3c564c469c3dda23e5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57a1697f0b1096c2d0ae160df459686734be02e1f3e31aecbb7c5cb8068c59e9
[INFO] running `Command { std: "docker" "start" "-a" "57a1697f0b1096c2d0ae160df459686734be02e1f3e31aecbb7c5cb8068c59e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: struct is never constructed: `Runner`
[INFO] [stderr]  --> src/gravity/calculation.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Runner {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `t`
[INFO] [stderr]   --> src/gravity/calculation.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     t: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reset_acceleration`
[INFO] [stderr]   --> src/gravity/physical/body.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn reset_acceleration(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_force`
[INFO] [stderr]   --> src/gravity/physical/body.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn set_force(&mut self, f: v3<f32>) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_mass`
[INFO] [stderr]   --> src/gravity/physical/body.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn get_mass(&self) -> f32 {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bs_get_mass`
[INFO] [stderr]    --> src/gravity/physical/body.rs:193:8
[INFO] [stderr]     |
[INFO] [stderr] 193 |     fn bs_get_mass() {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `gravity` (bin "gravity" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gravity-1ee83e3c1733796e)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test gravity::physical::body::tests::bs_new ... ok
[INFO] [stdout] test gravity::physical::body::tests::bs_set_position ... ok
[INFO] [stdout] test gravity::physical::body::tests::bs_add_acceleration ... ok
[INFO] [stdout] test gravity::physical::body::tests::get_new_pos_and_vel_by_newton_hard_case ... ok
[INFO] [stdout] test gravity::physical::body::tests::get_new_pos_and_vel_by_newton_simple_case ... ok
[INFO] [stdout] test gravity::physical::body::tests::get_force_from ... ok
[INFO] [stdout] test gravity::physical::body::tests::bs_set_velocity ... ok
[INFO] [stdout] test gravity::physical::system::tests::step_by_newton_changes_the_state ... ok
[INFO] [stdout] test gravity::physical::system::tests::test_that_function_sums_force_contributions_correctly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "57a1697f0b1096c2d0ae160df459686734be02e1f3e31aecbb7c5cb8068c59e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a1697f0b1096c2d0ae160df459686734be02e1f3e31aecbb7c5cb8068c59e9", kill_on_drop: false }`
[INFO] [stdout] 57a1697f0b1096c2d0ae160df459686734be02e1f3e31aecbb7c5cb8068c59e9