[INFO] updating cached repository Grissess/RANKS
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Grissess/RANKS
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Grissess/RANKS" "work/ex/beta-1.38-1/sources/1.37.0/gh/Grissess/RANKS"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Grissess/RANKS'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Grissess/RANKS" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Grissess/RANKS"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Grissess/RANKS'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e48ccf1fdd45751800f4e6e03e06319e6b956b89
[INFO] sha for GitHub repo Grissess/RANKS: e48ccf1fdd45751800f4e6e03e06319e6b956b89
[INFO] validating manifest of Grissess/RANKS 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 Grissess/RANKS 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 Grissess/RANKS
[INFO] finished frobbing Grissess/RANKS
[INFO] frobbed toml for Grissess/RANKS written to work/ex/beta-1.38-1/sources/1.37.0/gh/Grissess/RANKS/Cargo.toml
[INFO] started frobbing Grissess/RANKS
[INFO] finished frobbing Grissess/RANKS
[INFO] frobbed toml for Grissess/RANKS written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Grissess/RANKS/Cargo.toml
[INFO] crate Grissess/RANKS 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing Grissess/RANKS 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/Grissess/RANKS:/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] efea5c156d864faf3868850cdc2e8b7dd3516502aefd101487054363de8f6986
[INFO] running `"docker" "start" "-a" "efea5c156d864faf3868850cdc2e8b7dd3516502aefd101487054363de8f6986"`
[INFO] [stderr]    Compiling RANKS v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `world`
[INFO] [stderr]   --> src/sim.rs:89:24
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn step(&mut self, world: &World) {
[INFO] [stderr]    |                        ^^^^^ help: consider prefixing with an underscore: `_world`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/sim.rs:202:54
[INFO] [stderr]     |
[INFO] [stderr] 202 |             .fold((0usize, 0usize), |(us, them), (t, a)| if t.borrow().team == tm { (us + 1, them) } else { (us, them + 1) })
[INFO] [stderr]     |                                                      ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]    --> src/space.rs:302:5
[INFO] [stderr]     |
[INFO] [stderr] 302 |     fn iter(&self) -> QuadTreeChildrenIter<T> { self.into_iter() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RANKS` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `ranks`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `World`
[INFO] [stderr]  --> src/main.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use RANKS::sim::{World, Configuration, Tank, Team};
[INFO] [stderr]   |                  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     for i in 0..10 {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RANKS` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `ranks`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `world_size` should have an upper case name
[INFO] [stderr]   --> src/main.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | const world_size: usize = 500;
[INFO] [stderr]    |       ^^^^^^^^^^ help: convert the identifier to upper case: `WORLD_SIZE`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `"docker" "inspect" "efea5c156d864faf3868850cdc2e8b7dd3516502aefd101487054363de8f6986"`
[INFO] running `"docker" "rm" "-f" "efea5c156d864faf3868850cdc2e8b7dd3516502aefd101487054363de8f6986"`
[INFO] [stdout] efea5c156d864faf3868850cdc2e8b7dd3516502aefd101487054363de8f6986
[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/Grissess/RANKS:/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] ce44ff1efc8102ac86ddfb90a1ee51ae731704ab8833301302c8614185b2c836
[INFO] running `"docker" "start" "-a" "ce44ff1efc8102ac86ddfb90a1ee51ae731704ab8833301302c8614185b2c836"`
[INFO] [stderr]    Compiling RANKS v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `World`
[INFO] [stderr]  --> src/main.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use RANKS::sim::{World, Configuration, Tank, Team};
[INFO] [stderr]   |                  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     for i in 0..10 {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RANKS` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `ranks`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `world_size` should have an upper case name
[INFO] [stderr]   --> src/main.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | const world_size: usize = 500;
[INFO] [stderr]    |       ^^^^^^^^^^ help: convert the identifier to upper case: `WORLD_SIZE`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `world`
[INFO] [stderr]   --> src/sim.rs:89:24
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn step(&mut self, world: &World) {
[INFO] [stderr]    |                        ^^^^^ help: consider prefixing with an underscore: `_world`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/sim.rs:202:54
[INFO] [stderr]     |
[INFO] [stderr] 202 |             .fold((0usize, 0usize), |(us, them), (t, a)| if t.borrow().team == tm { (us + 1, them) } else { (us, them + 1) })
[INFO] [stderr]     |                                                      ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]    --> src/space.rs:302:5
[INFO] [stderr]     |
[INFO] [stderr] 302 |     fn iter(&self) -> QuadTreeChildrenIter<T> { self.into_iter() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RANKS` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `ranks`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "ce44ff1efc8102ac86ddfb90a1ee51ae731704ab8833301302c8614185b2c836"`
[INFO] running `"docker" "rm" "-f" "ce44ff1efc8102ac86ddfb90a1ee51ae731704ab8833301302c8614185b2c836"`
[INFO] [stdout] ce44ff1efc8102ac86ddfb90a1ee51ae731704ab8833301302c8614185b2c836
[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/Grissess/RANKS:/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] b2e10e0752ebae520f9bb2bca2a82dbd4798d837a7f24243b42675e9e6b35802
[INFO] running `"docker" "start" "-a" "b2e10e0752ebae520f9bb2bca2a82dbd4798d837a7f24243b42675e9e6b35802"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/RANKS-cedf72eff60926f5
[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]      Running /opt/crater/target/debug/deps/RANKS-66f3606b22adf04d
[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 RANKS
[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" "b2e10e0752ebae520f9bb2bca2a82dbd4798d837a7f24243b42675e9e6b35802"`
[INFO] running `"docker" "rm" "-f" "b2e10e0752ebae520f9bb2bca2a82dbd4798d837a7f24243b42675e9e6b35802"`
[INFO] [stdout] b2e10e0752ebae520f9bb2bca2a82dbd4798d837a7f24243b42675e9e6b35802