[INFO] updating cached repository Foltik/automaton
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Foltik/automaton
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Foltik/automaton" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Foltik/automaton"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Foltik/automaton'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Foltik/automaton" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Foltik/automaton"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Foltik/automaton'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0459e54e4c0f0809466dec1ac22411a12be41bc8
[INFO] sha for GitHub repo Foltik/automaton: 0459e54e4c0f0809466dec1ac22411a12be41bc8
[INFO] validating manifest of Foltik/automaton on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Foltik/automaton on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Foltik/automaton
[INFO] finished frobbing Foltik/automaton
[INFO] frobbed toml for Foltik/automaton written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Foltik/automaton/Cargo.toml
[INFO] started frobbing Foltik/automaton
[INFO] finished frobbing Foltik/automaton
[INFO] frobbed toml for Foltik/automaton written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Foltik/automaton/Cargo.toml
[INFO] crate Foltik/automaton already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Foltik/automaton against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-1/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Foltik/automaton:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fd6e7c7acc4125091aa1c118ba950a2eeaf7b09816120429efb4789b6e11c593
[INFO] running `"docker" "start" "-a" "fd6e7c7acc4125091aa1c118ba950a2eeaf7b09816120429efb4789b6e11c593"`
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking bitflags v1.0.5
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking tinytemplate v1.0.1
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking automaton v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `hashbrown::HashMap`
[INFO] [stderr]   --> benches/grid_mem_bench.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use hashbrown::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]   --> benches/grid_mem_bench.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use rayon::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `On`
[INFO] [stderr]   --> benches/grid_mem_bench.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     On,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> benches/grid_mem_bench.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn get(&self, x: usize, y: usize) -> Option<State> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> benches/grid_mem_bench.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn set(&mut self, x: usize, y: usize, v: State) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> benches/grid_bench.rs:206:13
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let res: Vec<(usize, usize, State)> = (0..grid.size()).into_par_iter()
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.43s
[INFO] running `"docker" "inspect" "fd6e7c7acc4125091aa1c118ba950a2eeaf7b09816120429efb4789b6e11c593"`
[INFO] running `"docker" "rm" "-f" "fd6e7c7acc4125091aa1c118ba950a2eeaf7b09816120429efb4789b6e11c593"`
[INFO] [stdout] fd6e7c7acc4125091aa1c118ba950a2eeaf7b09816120429efb4789b6e11c593