[INFO] updating cached repository shade/rustoku
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shade/rustoku
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shade/rustoku" "work/ex/beta-1.38-1/sources/1.37.0/gh/shade/rustoku"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/shade/rustoku'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shade/rustoku" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shade/rustoku"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shade/rustoku'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1490b369ec54974589095e7767613c3aa55960a9
[INFO] sha for GitHub repo shade/rustoku: 1490b369ec54974589095e7767613c3aa55960a9
[INFO] validating manifest of shade/rustoku on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of shade/rustoku on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing shade/rustoku
[INFO] finished frobbing shade/rustoku
[INFO] frobbed toml for shade/rustoku written to work/ex/beta-1.38-1/sources/1.37.0/gh/shade/rustoku/Cargo.toml
[INFO] started frobbing shade/rustoku
[INFO] finished frobbing shade/rustoku
[INFO] frobbed toml for shade/rustoku written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shade/rustoku/Cargo.toml
[INFO] crate shade/rustoku already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing shade/rustoku against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shade/rustoku:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6505e77b14d4d86fb8a3b1ee15901fbe07755638c9803aa430534506486c4e0b
[INFO] running `"docker" "start" "-a" "6505e77b14d4d86fb8a3b1ee15901fbe07755638c9803aa430534506486c4e0b"`
[INFO] [stderr]    Compiling sandbox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(type_ascription)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `test::Bencher`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use test::Bencher;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> src/main.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::str;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::slice`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::slice;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::cmp;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:233:23
[INFO] [stderr]     |
[INFO] [stderr] 233 |           let val_y = (WON[self.verti_y[i] as usize] | WON[self.horiz_y[i] as usize] | WON[self.diagr_y[i] as usize] | WON[self.diagl_y[i] as usize]);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:234:23
[INFO] [stderr]     |
[INFO] [stderr] 234 |           let val_o = (WON[self.verti_o[i] as usize] | WON[self.horiz_o[i] as usize] | WON[self.diagr_o[i] as usize] | WON[self.diagl_o[i] as usize]);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:242:23
[INFO] [stderr]     |
[INFO] [stderr] 242 |           let val_y = (WON[self.verti_y[i] as usize] | WON[self.horiz_y[i] as usize] | WON[self.diagr_y[i] as usize] | WON[self.diagl_y[i] as usize]);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:243:23
[INFO] [stderr]     |
[INFO] [stderr] 243 |           let val_o = (WON[self.verti_o[i] as usize] | WON[self.horiz_o[i] as usize] | WON[self.diagr_o[i] as usize] | WON[self.diagl_o[i] as usize]);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:414:18
[INFO] [stderr]     |
[INFO] [stderr] 414 |         cur.1 += (_NEG * MAX_VALS[mov.1 as usize])
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:464:107
[INFO] [stderr]     |
[INFO] [stderr] 464 |   pub unsafe fn place_horiz_you (&mut self, place: usize) {let mov = HORIZ[place]; self.horiz_y[mov.0] |= (1 << mov.1);}
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:465:107
[INFO] [stderr]     |
[INFO] [stderr] 465 |   pub unsafe fn place_verti_you (&mut self, place: usize) {let mov = VERTI[place]; self.verti_y[mov.0] |= (1 << mov.1);}
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:466:108
[INFO] [stderr]     |
[INFO] [stderr] 466 |   pub unsafe fn remove_horiz_you (&mut self, place: usize) {let mov = HORIZ[place]; self.horiz_y[mov.0] ^= (1 << mov.1);}
[INFO] [stderr]     |                                                                                                            ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:467:108
[INFO] [stderr]     |
[INFO] [stderr] 467 |   pub unsafe fn remove_verti_you (&mut self, place: usize) {let mov = VERTI[place]; self.verti_y[mov.0] ^= (1 << mov.1);}
[INFO] [stderr]     |                                                                                                            ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:468:132
[INFO] [stderr]     |
[INFO] [stderr] 468 |   pub unsafe fn place_diagl_you (&mut self, place: usize) {let mov = DIAGL[place]; if mov.0 == NO {return;} self.diagl_y[mov.0] |= (1 << mov.1);}
[INFO] [stderr]     |                                                                                                                                    ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:469:132
[INFO] [stderr]     |
[INFO] [stderr] 469 |   pub unsafe fn place_diagr_you (&mut self, place: usize) {let mov = DIAGR[place]; if mov.0 == NO {return;} self.diagr_y[mov.0] |= (1 << mov.1);}
[INFO] [stderr]     |                                                                                                                                    ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:470:133
[INFO] [stderr]     |
[INFO] [stderr] 470 |   pub unsafe fn remove_diagl_you (&mut self, place: usize) {let mov = DIAGL[place]; if mov.0 == NO {return;} self.diagl_y[mov.0] ^= (1 << mov.1);}
[INFO] [stderr]     |                                                                                                                                     ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:471:133
[INFO] [stderr]     |
[INFO] [stderr] 471 |   pub unsafe fn remove_diagr_you (&mut self, place: usize) {let mov = DIAGR[place]; if mov.0 == NO {return;} self.diagr_y[mov.0] ^= (1 << mov.1);}
[INFO] [stderr]     |                                                                                                                                     ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:473:107
[INFO] [stderr]     |
[INFO] [stderr] 473 |   pub unsafe fn place_horiz_opp (&mut self, place: usize) {let mov = HORIZ[place]; self.horiz_o[mov.0] |= (1 << mov.1);}
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:474:107
[INFO] [stderr]     |
[INFO] [stderr] 474 |   pub unsafe fn place_verti_opp (&mut self, place: usize) {let mov = VERTI[place]; self.verti_o[mov.0] |= (1 << mov.1);}
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:475:108
[INFO] [stderr]     |
[INFO] [stderr] 475 |   pub unsafe fn remove_horiz_opp (&mut self, place: usize) {let mov = HORIZ[place]; self.horiz_o[mov.0] ^= (1 << mov.1);}
[INFO] [stderr]     |                                                                                                            ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:476:108
[INFO] [stderr]     |
[INFO] [stderr] 476 |   pub unsafe fn remove_verti_opp (&mut self, place: usize) {let mov = VERTI[place]; self.verti_o[mov.0] ^= (1 << mov.1);}
[INFO] [stderr]     |                                                                                                            ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:477:132
[INFO] [stderr]     |
[INFO] [stderr] 477 |   pub unsafe fn place_diagl_opp (&mut self, place: usize) {let mov = DIAGL[place]; if mov.0 == NO {return;} self.diagl_o[mov.0] |= (1 << mov.1);}
[INFO] [stderr]     |                                                                                                                                    ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:478:132
[INFO] [stderr]     |
[INFO] [stderr] 478 |   pub unsafe fn place_diagr_opp (&mut self, place: usize) {let mov = DIAGR[place]; if mov.0 == NO {return;} self.diagr_o[mov.0] |= (1 << mov.1);}
[INFO] [stderr]     |                                                                                                                                    ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:479:133
[INFO] [stderr]     |
[INFO] [stderr] 479 |   pub unsafe fn remove_diagl_opp (&mut self, place: usize) {let mov = DIAGL[place]; if mov.0 == NO {return;} self.diagl_o[mov.0] ^= (1 << mov.1);}
[INFO] [stderr]     |                                                                                                                                     ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/board.rs:480:133
[INFO] [stderr]     |
[INFO] [stderr] 480 |   pub unsafe fn remove_diagr_opp (&mut self, place: usize) {let mov = DIAGR[place]; if mov.0 == NO {return;} self.diagr_o[mov.0] ^= (1 << mov.1);}
[INFO] [stderr]     |                                                                                                                                     ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::boxed::Box`
[INFO] [stderr]  --> src/build.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::boxed::Box;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/build.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/build.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/build.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `self`
[INFO] [stderr]  --> src/build.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{self, BufReader};
[INFO] [stderr]   |               ^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/build.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]   --> src/build.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::mem;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]   --> src/build.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std;
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `test::Bencher`
[INFO] [stderr]  --> src/tests.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use test::Bencher;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/tests.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> src/tests.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/tests.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::string::String`
[INFO] [stderr]  --> src/tests.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::string::String;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `sandbox`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6505e77b14d4d86fb8a3b1ee15901fbe07755638c9803aa430534506486c4e0b"`
[INFO] running `"docker" "rm" "-f" "6505e77b14d4d86fb8a3b1ee15901fbe07755638c9803aa430534506486c4e0b"`
[INFO] [stdout] 6505e77b14d4d86fb8a3b1ee15901fbe07755638c9803aa430534506486c4e0b