[INFO] updating cached repository theHooloovoo/rs-n-body-simulator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/theHooloovoo/rs-n-body-simulator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/theHooloovoo/rs-n-body-simulator" "work/ex/beta-1.38-1/sources/1.37.0/gh/theHooloovoo/rs-n-body-simulator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/theHooloovoo/rs-n-body-simulator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/theHooloovoo/rs-n-body-simulator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/theHooloovoo/rs-n-body-simulator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/theHooloovoo/rs-n-body-simulator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b61be84dc9f92e82a05174ba837879333af27ba5
[INFO] sha for GitHub repo theHooloovoo/rs-n-body-simulator: b61be84dc9f92e82a05174ba837879333af27ba5
[INFO] validating manifest of theHooloovoo/rs-n-body-simulator on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of theHooloovoo/rs-n-body-simulator on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing theHooloovoo/rs-n-body-simulator
[INFO] finished frobbing theHooloovoo/rs-n-body-simulator
[INFO] frobbed toml for theHooloovoo/rs-n-body-simulator written to work/ex/beta-1.38-1/sources/1.37.0/gh/theHooloovoo/rs-n-body-simulator/Cargo.toml
[INFO] started frobbing theHooloovoo/rs-n-body-simulator
[INFO] finished frobbing theHooloovoo/rs-n-body-simulator
[INFO] frobbed toml for theHooloovoo/rs-n-body-simulator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/theHooloovoo/rs-n-body-simulator/Cargo.toml
[INFO] crate theHooloovoo/rs-n-body-simulator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing theHooloovoo/rs-n-body-simulator against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/theHooloovoo/rs-n-body-simulator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c2686b27c35296ed6d033805b4b11427780a0eba4f608ca803c6b4f40c3e3327
[INFO] running `"docker" "start" "-a" "c2686b27c35296ed6d033805b4b11427780a0eba4f608ca803c6b4f40c3e3327"`
[INFO] [stderr]    Compiling getopts v0.2.15
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33
[INFO] [stderr]      |
[INFO] [stderr] 978  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 982  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1033 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1034 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling n_body v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/body.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f_out`
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let f_out: String;  // Assigned by the -o flag
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_f_out`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/body.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | /     pub fn new(l1: f64, l2: f64, l3: f64,
[INFO] [stderr] 25 | |                v1: f64, v2: f64, v3: f64, m: f64, n: &str) -> Body {
[INFO] [stderr] 26 | |         Body {
[INFO] [stderr] 27 | |             loc:    [l1, l2, l3],
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |         }
[INFO] [stderr] 32 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_string`
[INFO] [stderr]   --> src/body.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn to_string(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gen_still_body`
[INFO] [stderr]   --> src/body.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn gen_still_body(l1: f64, l2: f64, l3: f64, m: f64) -> Body {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `center_of_mass`
[INFO] [stderr]    --> src/body.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     pub fn center_of_mass(v: &Vec<Body>) -> [f64; 3] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.37s
[INFO] running `"docker" "inspect" "c2686b27c35296ed6d033805b4b11427780a0eba4f608ca803c6b4f40c3e3327"`
[INFO] running `"docker" "rm" "-f" "c2686b27c35296ed6d033805b4b11427780a0eba4f608ca803c6b4f40c3e3327"`
[INFO] [stdout] c2686b27c35296ed6d033805b4b11427780a0eba4f608ca803c6b4f40c3e3327
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/theHooloovoo/rs-n-body-simulator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 14f3e4a97d502be746844dd042d70b1d05f0c93220e90980fe5c77b28ad089bf
[INFO] running `"docker" "start" "-a" "14f3e4a97d502be746844dd042d70b1d05f0c93220e90980fe5c77b28ad089bf"`
[INFO] [stderr]    Compiling n_body v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/body.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f_out`
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let f_out: String;  // Assigned by the -o flag
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_f_out`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/body.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | /     pub fn new(l1: f64, l2: f64, l3: f64,
[INFO] [stderr] 25 | |                v1: f64, v2: f64, v3: f64, m: f64, n: &str) -> Body {
[INFO] [stderr] 26 | |         Body {
[INFO] [stderr] 27 | |             loc:    [l1, l2, l3],
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |         }
[INFO] [stderr] 32 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_string`
[INFO] [stderr]   --> src/body.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn to_string(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gen_still_body`
[INFO] [stderr]   --> src/body.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn gen_still_body(l1: f64, l2: f64, l3: f64, m: f64) -> Body {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `center_of_mass`
[INFO] [stderr]    --> src/body.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     pub fn center_of_mass(v: &Vec<Body>) -> [f64; 3] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "14f3e4a97d502be746844dd042d70b1d05f0c93220e90980fe5c77b28ad089bf"`
[INFO] running `"docker" "rm" "-f" "14f3e4a97d502be746844dd042d70b1d05f0c93220e90980fe5c77b28ad089bf"`
[INFO] [stdout] 14f3e4a97d502be746844dd042d70b1d05f0c93220e90980fe5c77b28ad089bf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/theHooloovoo/rs-n-body-simulator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 8e79482021b00231a51f4061f28ade6f417c4130ae8802d9ae2f525bf32a9f1f
[INFO] running `"docker" "start" "-a" "8e79482021b00231a51f4061f28ade6f417c4130ae8802d9ae2f525bf32a9f1f"`
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/n_body-efb031897c8a9797
[INFO] [stderr]      Running /opt/crater/target/debug/deps/n_body-080d3cb61a0be7d0
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests n_body
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8e79482021b00231a51f4061f28ade6f417c4130ae8802d9ae2f525bf32a9f1f"`
[INFO] running `"docker" "rm" "-f" "8e79482021b00231a51f4061f28ade6f417c4130ae8802d9ae2f525bf32a9f1f"`
[INFO] [stdout] 8e79482021b00231a51f4061f28ade6f417c4130ae8802d9ae2f525bf32a9f1f