[INFO] updating cached repository sortalongo/gas_sim
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sortalongo/gas_sim
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sortalongo/gas_sim" "work/ex/beta-1.38-1/sources/1.37.0/gh/sortalongo/gas_sim"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sortalongo/gas_sim'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sortalongo/gas_sim" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sortalongo/gas_sim"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sortalongo/gas_sim'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] decc77477631efe552f03baa660036fbeb906e93
[INFO] sha for GitHub repo sortalongo/gas_sim: decc77477631efe552f03baa660036fbeb906e93
[INFO] validating manifest of sortalongo/gas_sim 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 sortalongo/gas_sim 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 sortalongo/gas_sim
[INFO] finished frobbing sortalongo/gas_sim
[INFO] frobbed toml for sortalongo/gas_sim written to work/ex/beta-1.38-1/sources/1.37.0/gh/sortalongo/gas_sim/Cargo.toml
[INFO] started frobbing sortalongo/gas_sim
[INFO] finished frobbing sortalongo/gas_sim
[INFO] frobbed toml for sortalongo/gas_sim written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sortalongo/gas_sim/Cargo.toml
[INFO] crate sortalongo/gas_sim 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sortalongo/gas_sim/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 sortalongo/gas_sim 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sortalongo/gas_sim:/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] 34b8b12329ba76b64468240262606d4e2226838b9b8d93d079f1a7e51bd2a9b9
[INFO] running `"docker" "start" "-a" "34b8b12329ba76b64468240262606d4e2226838b9b8d93d079f1a7e51bd2a9b9"`
[INFO] [stderr]    Compiling fern v0.3.5
[INFO] [stderr]    Compiling particles v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `FloatOps`
[INFO] [stderr]  --> src/space.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::{custom_float, FloatOps, Particle, Time};
[INFO] [stderr]   |                           ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `"docker" "inspect" "34b8b12329ba76b64468240262606d4e2226838b9b8d93d079f1a7e51bd2a9b9"`
[INFO] running `"docker" "rm" "-f" "34b8b12329ba76b64468240262606d4e2226838b9b8d93d079f1a7e51bd2a9b9"`
[INFO] [stdout] 34b8b12329ba76b64468240262606d4e2226838b9b8d93d079f1a7e51bd2a9b9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sortalongo/gas_sim:/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] c76001bab96295995d693e60d46e1e2cbadc4e1698d5c4ea8ab3eeb23ee261bd
[INFO] running `"docker" "start" "-a" "c76001bab96295995d693e60d46e1e2cbadc4e1698d5c4ea8ab3eeb23ee261bd"`
[INFO] [stderr]    Compiling quickcheck v0.2.27
[INFO] [stderr]    Compiling particles v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `FloatOps`
[INFO] [stderr]  --> src/space.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::{custom_float, FloatOps, Particle, Time};
[INFO] [stderr]   |                           ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Bounds`, `SpaceVec`
[INFO] [stderr]   --> src/space_box.rs:97:58
[INFO] [stderr]    |
[INFO] [stderr] 97 |   use super::super::{Collision, Particle, Space, Vector, SpaceVec, Bounds, Time};
[INFO] [stderr]    |                                                          ^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/space_box.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let l = ((TOP_RIGHT.0).1 - P1.r);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Space`
[INFO] [stderr]   --> src/space_vec.rs:95:32
[INFO] [stderr]    |
[INFO] [stderr] 95 |   use super::super::{Particle, Space, Vector};
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.35s
[INFO] running `"docker" "inspect" "c76001bab96295995d693e60d46e1e2cbadc4e1698d5c4ea8ab3eeb23ee261bd"`
[INFO] running `"docker" "rm" "-f" "c76001bab96295995d693e60d46e1e2cbadc4e1698d5c4ea8ab3eeb23ee261bd"`
[INFO] [stdout] c76001bab96295995d693e60d46e1e2cbadc4e1698d5c4ea8ab3eeb23ee261bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sortalongo/gas_sim:/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] 3fba73148759a0856c9b95b6213dbe951872a270d95f74c0a724da83af346f8a
[INFO] running `"docker" "start" "-a" "3fba73148759a0856c9b95b6213dbe951872a270d95f74c0a724da83af346f8a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/particles-809bc51a973f5a0b
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test bounded_rand::tests::custom_float_can_be_constant ... ok
[INFO] [stdout] test particle::tests::quadratic_formula_simple ... ok
[INFO] [stdout] test particle::tests::impact_time_symmetrical_partices ... ok
[INFO] [stdout] test particle::tests::bounce_symmetrical_particles ... ok
[INFO] [stdout] test bounded_rand::tests::vector_is_bounded ... ok
[INFO] [stdout] test space_vec::tests::two_particles_yield_one_pair ... ok
[INFO] [stdout] test space_box::tests::particles_collide_before_wall ... ok
[INFO] [stdout] test space_box::tests::single_particle_hits_wall ... ok
[INFO] [stdout] test bounded_rand::tests::custom_float_is_bounded ... ok
[INFO] [stdout] test cartesian_iter::tests::length_is_2_choose_l ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/particles-6da623bbc5476903
[INFO] [stderr]    Doc-tests particles
[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] [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" "3fba73148759a0856c9b95b6213dbe951872a270d95f74c0a724da83af346f8a"`
[INFO] running `"docker" "rm" "-f" "3fba73148759a0856c9b95b6213dbe951872a270d95f74c0a724da83af346f8a"`
[INFO] [stdout] 3fba73148759a0856c9b95b6213dbe951872a270d95f74c0a724da83af346f8a