[INFO] updating cached repository https://github.com/ichyo/icfpc2018
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 94bbc543e58e92cb6c782f938353061e04d4d1ba
[INFO] checking ichyo/icfpc2018 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fichyo%2Ficfpc2018" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ichyo/icfpc2018 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ichyo/icfpc2018
[INFO] finished tweaking git repo https://github.com/ichyo/icfpc2018
[INFO] tweaked toml for git repo https://github.com/ichyo/icfpc2018 written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ichyo/icfpc2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0f6552ccfe87154d296303203766de563c95f8bc8c5ff53f142f3095128d3512
[INFO] running `"docker" "start" "-a" "0f6552ccfe87154d296303203766de563c95f8bc8c5ff53f142f3095128d3512"`
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking icfpc2018 v0.1.0 (/opt/rustwide/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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/nano/mod.rs:16:44
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub type Result<T> = result::Result<T, Box<Error + Send + Sync>>;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/nano/point.rs:79:9
[INFO] [stderr]     |
[INFO] [stderr] 79  | /         lazy_static! {
[INFO] [stderr] 80  | |             static ref ADJS: Vec<PnDiff> = vec![
[INFO] [stderr] 81  | |                 PnDiff {
[INFO] [stderr] 82  | |                     dx: 1,
[INFO] [stderr] ...   |
[INFO] [stderr] 111 | |             ];
[INFO] [stderr] 112 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/nano/mod.rs:16:44
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub type Result<T> = result::Result<T, Box<Error + Send + Sync>>;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/nano/point.rs:79:9
[INFO] [stderr]     |
[INFO] [stderr] 79  | /         lazy_static! {
[INFO] [stderr] 80  | |             static ref ADJS: Vec<PnDiff> = vec![
[INFO] [stderr] 81  | |                 PnDiff {
[INFO] [stderr] 82  | |                     dx: 1,
[INFO] [stderr] ...   |
[INFO] [stderr] 111 | |             ];
[INFO] [stderr] 112 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/nano/solver.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |                 let mut c_que = &mut self.cmd_queue_by_bots[i];
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/nano/solver.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |             let mut c_que = &mut self.cmd_queue_by_bots[i];
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/nano/solver.rs:228:17
[INFO] [stderr]     |
[INFO] [stderr] 228 |             let mut size = all_points.len() / num_bots + if i < all_points.len() % num_bots {
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/nano/solver.rs:304:25
[INFO] [stderr]     |
[INFO] [stderr] 304 |                     let mut region = fp.region(*tp);
[INFO] [stderr]     |                         ----^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[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: 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: variable does not need to be mutable
[INFO] [stderr]    --> src/nano/solver.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |                 let mut c_que = &mut self.cmd_queue_by_bots[i];
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/nano/solver.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |             let mut c_que = &mut self.cmd_queue_by_bots[i];
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/nano/solver.rs:228:17
[INFO] [stderr]     |
[INFO] [stderr] 228 |             let mut size = all_points.len() / num_bots + if i < all_points.len() % num_bots {
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/nano/solver.rs:304:25
[INFO] [stderr]     |
[INFO] [stderr] 304 |                     let mut region = fp.region(*tp);
[INFO] [stderr]     |                         ----^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[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 23.02s
[INFO] running `"docker" "inspect" "0f6552ccfe87154d296303203766de563c95f8bc8c5ff53f142f3095128d3512"`
[INFO] running `"docker" "rm" "-f" "0f6552ccfe87154d296303203766de563c95f8bc8c5ff53f142f3095128d3512"`
[INFO] [stdout] 0f6552ccfe87154d296303203766de563c95f8bc8c5ff53f142f3095128d3512