[INFO] updating cached repository ichyo/icfpc2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ichyo/icfpc2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ichyo/icfpc2018" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ichyo/icfpc2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ichyo/icfpc2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ichyo/icfpc2018" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ichyo/icfpc2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ichyo/icfpc2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 94bbc543e58e92cb6c782f938353061e04d4d1ba
[INFO] sha for GitHub repo ichyo/icfpc2018: 94bbc543e58e92cb6c782f938353061e04d4d1ba
[INFO] validating manifest of ichyo/icfpc2018 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ichyo/icfpc2018 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ichyo/icfpc2018
[INFO] finished frobbing ichyo/icfpc2018
[INFO] frobbed toml for ichyo/icfpc2018 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ichyo/icfpc2018/Cargo.toml
[INFO] started frobbing ichyo/icfpc2018
[INFO] finished frobbing ichyo/icfpc2018
[INFO] frobbed toml for ichyo/icfpc2018 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ichyo/icfpc2018/Cargo.toml
[INFO] crate ichyo/icfpc2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ichyo/icfpc2018 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-1/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ichyo/icfpc2018:/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=forbid" "-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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 35218bdbbddfd0bbe8d943a5ffdf4f61954d40e58229845b576f5f23d8314bd1
[INFO] running `"docker" "start" "-a" "35218bdbbddfd0bbe8d943a5ffdf4f61954d40e58229845b576f5f23d8314bd1"`
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]     Checking icfpc2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `nano::util::floor`
[INFO] [stderr]  --> src/nano/solver.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use nano::util::floor;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nano::util::floor`
[INFO] [stderr]  --> src/nano/solver.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use nano::util::floor;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/nano/solver.rs:550:20
[INFO] [stderr]     |
[INFO] [stderr] 550 |         .inspect(|(i, (s, energy))| {
[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: unused variable: `s`
[INFO] [stderr]    --> src/nano/solver.rs:550:24
[INFO] [stderr]     |
[INFO] [stderr] 550 |         .inspect(|(i, (s, energy))| {
[INFO] [stderr]     |                        ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `energy`
[INFO] [stderr]    --> src/nano/solver.rs:550:27
[INFO] [stderr]     |
[INFO] [stderr] 550 |         .inspect(|(i, (s, energy))| {
[INFO] [stderr]     |                           ^^^^^^ help: consider prefixing with an underscore: `_energy`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/nano/solver.rs:553:27
[INFO] [stderr]     |
[INFO] [stderr] 553 |         .min_by_key(|(_, (s, c))| c.clone())
[INFO] [stderr]     |                           ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `remaining` is assigned to, but never used
[INFO] [stderr]    --> src/nano/solver.rs:562:13
[INFO] [stderr]     |
[INFO] [stderr] 562 |     let mut remaining = matrix.len();
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_remaining` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `removed` is assigned to, but never used
[INFO] [stderr]    --> src/nano/solver.rs:563:13
[INFO] [stderr]     |
[INFO] [stderr] 563 |     let mut removed = 0;
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_removed` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]    --> src/nano/solver.rs:308:25
[INFO] [stderr]     |
[INFO] [stderr] 308 |                     for idx in bots {
[INFO] [stderr]     |                         ^^^ help: consider prefixing with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/nano/solver.rs:550:20
[INFO] [stderr]     |
[INFO] [stderr] 550 |         .inspect(|(i, (s, energy))| {
[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: unused variable: `s`
[INFO] [stderr]    --> src/nano/solver.rs:550:24
[INFO] [stderr]     |
[INFO] [stderr] 550 |         .inspect(|(i, (s, energy))| {
[INFO] [stderr]     |                        ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `energy`
[INFO] [stderr]    --> src/nano/solver.rs:550:27
[INFO] [stderr]     |
[INFO] [stderr] 550 |         .inspect(|(i, (s, energy))| {
[INFO] [stderr]     |                           ^^^^^^ help: consider prefixing with an underscore: `_energy`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/nano/solver.rs:553:27
[INFO] [stderr]     |
[INFO] [stderr] 553 |         .min_by_key(|(_, (s, c))| c.clone())
[INFO] [stderr]     |                           ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `remaining` is assigned to, but never used
[INFO] [stderr]    --> src/nano/solver.rs:562:13
[INFO] [stderr]     |
[INFO] [stderr] 562 |     let mut remaining = matrix.len();
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_remaining` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `removed` is assigned to, but never used
[INFO] [stderr]    --> src/nano/solver.rs:563:13
[INFO] [stderr]     |
[INFO] [stderr] 563 |     let mut removed = 0;
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_removed` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]    --> src/nano/solver.rs:308:25
[INFO] [stderr]     |
[INFO] [stderr] 308 |                     for idx in bots {
[INFO] [stderr]     |                         ^^^ help: consider prefixing with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_grounded`
[INFO] [stderr]   --> src/nano/game.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn is_grounded(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `model_dst`
[INFO] [stderr]   --> src/nano/solver.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     model_dst: &'a Model,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_grounded`
[INFO] [stderr]   --> src/nano/game.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn is_grounded(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `model_dst`
[INFO] [stderr]   --> src/nano/solver.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     model_dst: &'a Model,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_trace`
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn load_trace<P: AsRef<Path>>(path: P) -> Result<Trace> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simulate_FA`
[INFO] [stderr]   --> src/main.rs:86:1
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn simulate_FA(id: usize) -> Result<()> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simulate_FD`
[INFO] [stderr]   --> src/main.rs:97:1
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn simulate_FD(id: usize) -> Result<()> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simulate_FR`
[INFO] [stderr]    --> src/main.rs:108:1
[INFO] [stderr]     |
[INFO] [stderr] 108 | fn simulate_FR(id: usize) -> Result<()> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simulate_all`
[INFO] [stderr]    --> src/main.rs:178:1
[INFO] [stderr]     |
[INFO] [stderr] 178 | fn simulate_all() -> Result<()> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_trace`
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn load_trace<P: AsRef<Path>>(path: P) -> Result<Trace> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simulate_FA`
[INFO] [stderr]   --> src/main.rs:86:1
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn simulate_FA(id: usize) -> Result<()> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simulate_FD`
[INFO] [stderr]   --> src/main.rs:97:1
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn simulate_FD(id: usize) -> Result<()> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simulate_FR`
[INFO] [stderr]    --> src/main.rs:108:1
[INFO] [stderr]     |
[INFO] [stderr] 108 | fn simulate_FR(id: usize) -> Result<()> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simulate_all`
[INFO] [stderr]    --> src/main.rs:178:1
[INFO] [stderr]     |
[INFO] [stderr] 178 | fn simulate_all() -> Result<()> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.00s
[INFO] running `"docker" "inspect" "35218bdbbddfd0bbe8d943a5ffdf4f61954d40e58229845b576f5f23d8314bd1"`
[INFO] running `"docker" "rm" "-f" "35218bdbbddfd0bbe8d943a5ffdf4f61954d40e58229845b576f5f23d8314bd1"`
[INFO] [stdout] 35218bdbbddfd0bbe8d943a5ffdf4f61954d40e58229845b576f5f23d8314bd1