[INFO] updating cached repository staronj/Automata
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/staronj/Automata
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/staronj/Automata" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/staronj/Automata"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/staronj/Automata'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/staronj/Automata" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/staronj/Automata"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/staronj/Automata'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d4bae106f2000ec6c9d2f8580a6d7d3d7b4cae3b
[INFO] sha for GitHub repo staronj/Automata: d4bae106f2000ec6c9d2f8580a6d7d3d7b4cae3b
[INFO] validating manifest of staronj/Automata on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of staronj/Automata on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing staronj/Automata
[INFO] finished frobbing staronj/Automata
[INFO] frobbed toml for staronj/Automata written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/staronj/Automata/Cargo.toml
[INFO] started frobbing staronj/Automata
[INFO] finished frobbing staronj/Automata
[INFO] frobbed toml for staronj/Automata written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/staronj/Automata/Cargo.toml
[INFO] crate staronj/Automata has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking staronj/Automata against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-0/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/staronj/Automata:/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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a0b5e49f9a0b8c7074e1ab91ee8b153e9ca8d81f3d00ae95145bf983eb54acb8
[INFO] running `"docker" "start" "-a" "a0b5e49f9a0b8c7074e1ab91ee8b153e9ca8d81f3d00ae95145bf983eb54acb8"`
[INFO] [stderr]    Compiling cl-sys v0.4.1
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking colorify v0.2.3
[INFO] [stderr]     Checking bytesize v1.0.0
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking multiset v0.0.4
[INFO] [stderr]     Checking is_sorted v0.1.0
[INFO] [stderr]    Compiling ocl-core v0.10.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking qutex v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking ocl-core-vector v0.1.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking ocl v0.19.1
[INFO] [stderr]     Checking automaton v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `max`
[INFO] [stderr]  --> src/lib/update_hashes.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::cmp::{min, max};
[INFO] [stderr]   |                     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `max`
[INFO] [stderr]  --> src/lib/update_hashes.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::cmp::{min, max};
[INFO] [stderr]   |                     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `duplicates_threshold`
[INFO] [stderr]   --> src/lib/generating_words.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let duplicates_threshold = (words_count as f64).sqrt() as usize;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: consider using `_duplicates_threshold` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `duplicates_threshold`
[INFO] [stderr]   --> src/lib/generating_words.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let duplicates_threshold = (words_count as f64).sqrt() as usize;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: consider using `_duplicates_threshold` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `context`
[INFO] [stderr]    --> src/lib/update_hashes.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     context: ocl::Context,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `context`
[INFO] [stderr]    --> src/lib/update_hashes.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     context: ocl::Context,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.38s
[INFO] running `"docker" "inspect" "a0b5e49f9a0b8c7074e1ab91ee8b153e9ca8d81f3d00ae95145bf983eb54acb8"`
[INFO] running `"docker" "rm" "-f" "a0b5e49f9a0b8c7074e1ab91ee8b153e9ca8d81f3d00ae95145bf983eb54acb8"`
[INFO] [stdout] a0b5e49f9a0b8c7074e1ab91ee8b153e9ca8d81f3d00ae95145bf983eb54acb8