[INFO] updating cached repository ejaszewski/ruthless
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ejaszewski/ruthless
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ejaszewski/ruthless" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/ejaszewski/ruthless"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/ejaszewski/ruthless'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ejaszewski/ruthless" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/ejaszewski/ruthless"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/ejaszewski/ruthless'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ed74c0edd4b79541961c46c5a965e59c8d4dd366
[INFO] sha for GitHub repo ejaszewski/ruthless: ed74c0edd4b79541961c46c5a965e59c8d4dd366
[INFO] validating manifest of ejaszewski/ruthless on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ejaszewski/ruthless on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ejaszewski/ruthless
[INFO] finished frobbing ejaszewski/ruthless
[INFO] frobbed toml for ejaszewski/ruthless written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/ejaszewski/ruthless/Cargo.toml
[INFO] started frobbing ejaszewski/ruthless
[INFO] finished frobbing ejaszewski/ruthless
[INFO] frobbed toml for ejaszewski/ruthless written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/ejaszewski/ruthless/Cargo.toml
[INFO] crate ejaszewski/ruthless already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ejaszewski/ruthless against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/ejaszewski/ruthless:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 596e475bec87242f46c9b7d1a0bf1b326af897485b233a2691aa4042fefc11be
[INFO] running `"docker" "start" "-a" "596e475bec87242f46c9b7d1a0bf1b326af897485b233a2691aa4042fefc11be"`
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking ruthless v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stderr]  --> src/board/mod.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |             ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stderr]  --> src/board/mod.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |             ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `temp`
[INFO] [stderr]    --> src/search/eval/pattern.rs:729:13
[INFO] [stderr]     |
[INFO] [stderr] 729 |     let mut temp = a;
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_temp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `temp`
[INFO] [stderr]    --> src/search/eval/pattern.rs:729:13
[INFO] [stderr]     |
[INFO] [stderr] 729 |     let mut temp = a;
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_temp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/search/eval/pattern.rs:729:9
[INFO] [stderr]     |
[INFO] [stderr] 729 |     let mut temp = a;
[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/search/eval/pattern.rs:731:9
[INFO] [stderr]     |
[INFO] [stderr] 731 |     let mut m = 0x80_00_00_00_00_00_00_00;
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused bitwise operation that must be used
[INFO] [stderr]    --> src/search/eval/pattern.rs:736:13
[INFO] [stderr]     |
[INFO] [stderr] 736 |             a >> 1;
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused bitwise operation that must be used
[INFO] [stderr]    --> src/search/eval/pattern.rs:738:9
[INFO] [stderr]     |
[INFO] [stderr] 738 |         m >> 1;
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/search/eval/piecesquare.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let mut board = Board::from_pos(0xFF_FF_FF_FF_00_00_00_00, 0x00_00_00_00_FF_FF_FF_FF, true);
[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/search/eval/pattern.rs:729:9
[INFO] [stderr]     |
[INFO] [stderr] 729 |     let mut temp = a;
[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/search/eval/pattern.rs:731:9
[INFO] [stderr]     |
[INFO] [stderr] 731 |     let mut m = 0x80_00_00_00_00_00_00_00;
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused bitwise operation that must be used
[INFO] [stderr]    --> src/search/eval/pattern.rs:736:13
[INFO] [stderr]     |
[INFO] [stderr] 736 |             a >> 1;
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused bitwise operation that must be used
[INFO] [stderr]    --> src/search/eval/pattern.rs:738:9
[INFO] [stderr]     |
[INFO] [stderr] 738 |         m >> 1;
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:201:27
[INFO] [stderr]     |
[INFO] [stderr] 201 |     idxs.par_iter().map(|&i| random_solved(empties)).collect()
[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: `i`
[INFO] [stderr]    --> src/main.rs:201:27
[INFO] [stderr]     |
[INFO] [stderr] 201 |     idxs.par_iter().map(|&i| random_solved(empties)).collect()
[INFO] [stderr]     |                           ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.70s
[INFO] running `"docker" "inspect" "596e475bec87242f46c9b7d1a0bf1b326af897485b233a2691aa4042fefc11be"`
[INFO] running `"docker" "rm" "-f" "596e475bec87242f46c9b7d1a0bf1b326af897485b233a2691aa4042fefc11be"`
[INFO] [stdout] 596e475bec87242f46c9b7d1a0bf1b326af897485b233a2691aa4042fefc11be