[INFO] updating cached repository https://github.com/AuroransSolis/tui_tetris
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/AuroransSolis/tui_tetris
[INFO] [stderr]    518be64..4ae0dbf  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ae0dbf104a99cfe34bd1fd07e4b5f0e1250446f
[INFO] testing AuroransSolis/tui_tetris against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FAuroransSolis%2Ftui_tetris" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AuroransSolis/tui_tetris on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/AuroransSolis/tui_tetris
[INFO] finished tweaking git repo https://github.com/AuroransSolis/tui_tetris
[INFO] tweaked toml for git repo https://github.com/AuroransSolis/tui_tetris written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/AuroransSolis/tui_tetris already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] e302e689e6c252e980f4e63d2435efcc4ea21506fd4957b8841f1f83e77dfc78
[INFO] running `"docker" "start" "-a" "e302e689e6c252e980f4e63d2435efcc4ea21506fd4957b8841f1f83e77dfc78"`
[INFO] [stderr]    Compiling tui_tetris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crossterm::Color`
[INFO] [stderr]  --> src/tetromino.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crossterm::Color;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng`, `rngs::ThreadRng`
[INFO] [stderr]  --> src/tetromino.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{Rng, rngs::ThreadRng};
[INFO] [stderr]   |            ^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gameboard::*`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use gameboard::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tetromino::*`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use tetromino::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cell`
[INFO] [stderr]  --> src/gameboard.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Cell {
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn new(character: char, colour: Color) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GameBoard`
[INFO] [stderr]   --> src/gameboard.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct GameBoard {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn new(width: usize, height: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/gameboard.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn draw(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Game`
[INFO] [stderr]   --> src/gameboard.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub struct Game {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new(config: GameConfig) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_sequence_number`
[INFO] [stderr]   --> src/gameboard.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub fn decode_sequence_number(mut sequence_number: u16) -> [Tetromino; 7] {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_nth_unused`
[INFO] [stderr]    --> src/gameboard.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | fn find_nth_unused(usage_map: [bool; 7], mut n: usize) -> u16 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.67s
[INFO] running `"docker" "inspect" "e302e689e6c252e980f4e63d2435efcc4ea21506fd4957b8841f1f83e77dfc78"`
[INFO] running `"docker" "rm" "-f" "e302e689e6c252e980f4e63d2435efcc4ea21506fd4957b8841f1f83e77dfc78"`
[INFO] [stdout] e302e689e6c252e980f4e63d2435efcc4ea21506fd4957b8841f1f83e77dfc78
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9cb1f648fd7777d09c0286b071214b0e216951932a5e57173f92f7bd2767e2a4
[INFO] running `"docker" "start" "-a" "9cb1f648fd7777d09c0286b071214b0e216951932a5e57173f92f7bd2767e2a4"`
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling tui_tetris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crossterm::Color`
[INFO] [stderr]  --> src/tetromino.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crossterm::Color;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng`, `rngs::ThreadRng`
[INFO] [stderr]  --> src/tetromino.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{Rng, rngs::ThreadRng};
[INFO] [stderr]   |            ^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gameboard::*`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use gameboard::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tetromino::*`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use tetromino::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]    --> src/gameboard.rs:192:21
[INFO] [stderr]     |
[INFO] [stderr] 192 |                 let message = format!(
[INFO] [stderr]     |                     ^^^^^^^ help: consider prefixing with an underscore: `_message`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cell`
[INFO] [stderr]  --> src/gameboard.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Cell {
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn new(character: char, colour: Color) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GameBoard`
[INFO] [stderr]   --> src/gameboard.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct GameBoard {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn new(width: usize, height: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/gameboard.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn draw(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Game`
[INFO] [stderr]   --> src/gameboard.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub struct Game {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/gameboard.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new(config: GameConfig) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.98s
[INFO] running `"docker" "inspect" "9cb1f648fd7777d09c0286b071214b0e216951932a5e57173f92f7bd2767e2a4"`
[INFO] running `"docker" "rm" "-f" "9cb1f648fd7777d09c0286b071214b0e216951932a5e57173f92f7bd2767e2a4"`
[INFO] [stdout] 9cb1f648fd7777d09c0286b071214b0e216951932a5e57173f92f7bd2767e2a4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 673317ffb5a567dba371508d0d3ce87568220de5d23af809f987a4a32e2734c8
[INFO] running `"docker" "start" "-a" "673317ffb5a567dba371508d0d3ce87568220de5d23af809f987a4a32e2734c8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tui_tetris-e660a87ef9a2f197
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test gameboard::test_sequence_decode ... ok
[INFO] [stdout] test gameboard::test_no_duplicate_sequences ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "673317ffb5a567dba371508d0d3ce87568220de5d23af809f987a4a32e2734c8"`
[INFO] running `"docker" "rm" "-f" "673317ffb5a567dba371508d0d3ce87568220de5d23af809f987a4a32e2734c8"`
[INFO] [stdout] 673317ffb5a567dba371508d0d3ce87568220de5d23af809f987a4a32e2734c8