[INFO] cloning repository https://github.com/moseslee90/tetris-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moseslee90/tetris-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoseslee90%2Ftetris-rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoseslee90%2Ftetris-rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78f5873831c0a99d27213e02b03b0476453d1106
[INFO] testing moseslee90/tetris-rust against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoseslee90%2Ftetris-rust" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/moseslee90/tetris-rust on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/moseslee90/tetris-rust
[INFO] finished tweaking git repo https://github.com/moseslee90/tetris-rust
[INFO] tweaked toml for git repo https://github.com/moseslee90/tetris-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/moseslee90/tetris-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b475edb5fdb1a668cf3b89e158e91d2a08fc92e92715dc6c309169f2d590805c
[INFO] running `"docker" "start" "-a" "b475edb5fdb1a668cf3b89e158e91d2a08fc92e92715dc6c309169f2d590805c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling json v0.11.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tetris-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `is_floor`
[INFO] [stderr]   --> src/board.rs:80:8
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn is_floor(
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `move_piece`
[INFO] [stderr]    --> src/board.rs:120:12
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn move_piece(
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `no_collision`
[INFO] [stderr]    --> src/board.rs:189:8
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn no_collision(
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_game_board`
[INFO] [stderr]    --> src/board.rs:273:12
[INFO] [stderr]     |
[INFO] [stderr] 273 |     pub fn print_game_board(&self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_holding_board`
[INFO] [stderr]    --> src/board.rs:319:12
[INFO] [stderr]     |
[INFO] [stderr] 319 |     pub fn print_holding_board(holding_board: &[[u8; HOLDING_SIZE]; HOLDING_SIZE]) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rotate_piece`
[INFO] [stderr]    --> src/board.rs:334:12
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn rotate_piece(
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `HOLDING_SIZE`
[INFO] [stderr]  --> src/game_constants.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub const HOLDING_SIZE: usize = 4;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `NONE`
[INFO] [stderr]   --> src/game_constants.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub const NONE: &str = "none";
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 8.52s
[INFO] running `"docker" "inspect" "b475edb5fdb1a668cf3b89e158e91d2a08fc92e92715dc6c309169f2d590805c"`
[INFO] running `"docker" "rm" "-f" "b475edb5fdb1a668cf3b89e158e91d2a08fc92e92715dc6c309169f2d590805c"`
[INFO] [stdout] b475edb5fdb1a668cf3b89e158e91d2a08fc92e92715dc6c309169f2d590805c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c37981d45883d29554910956d4804656306599c35e21fa2c7d2afec2d5f63dc
[INFO] running `"docker" "start" "-a" "6c37981d45883d29554910956d4804656306599c35e21fa2c7d2afec2d5f63dc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tetris-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `is_floor`
[INFO] [stderr]   --> src/board.rs:80:8
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn is_floor(
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `move_piece`
[INFO] [stderr]    --> src/board.rs:120:12
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn move_piece(
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `no_collision`
[INFO] [stderr]    --> src/board.rs:189:8
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn no_collision(
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_game_board`
[INFO] [stderr]    --> src/board.rs:273:12
[INFO] [stderr]     |
[INFO] [stderr] 273 |     pub fn print_game_board(&self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_holding_board`
[INFO] [stderr]    --> src/board.rs:319:12
[INFO] [stderr]     |
[INFO] [stderr] 319 |     pub fn print_holding_board(holding_board: &[[u8; HOLDING_SIZE]; HOLDING_SIZE]) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rotate_piece`
[INFO] [stderr]    --> src/board.rs:334:12
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn rotate_piece(
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `HOLDING_SIZE`
[INFO] [stderr]  --> src/game_constants.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub const HOLDING_SIZE: usize = 4;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `NONE`
[INFO] [stderr]   --> src/game_constants.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub const NONE: &str = "none";
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "6c37981d45883d29554910956d4804656306599c35e21fa2c7d2afec2d5f63dc"`
[INFO] running `"docker" "rm" "-f" "6c37981d45883d29554910956d4804656306599c35e21fa2c7d2afec2d5f63dc"`
[INFO] [stdout] 6c37981d45883d29554910956d4804656306599c35e21fa2c7d2afec2d5f63dc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 399bd7dead908b463fce13460616c1d8a264a416087e4b74b7514df436b5437b
[INFO] running `"docker" "start" "-a" "399bd7dead908b463fce13460616c1d8a264a416087e4b74b7514df436b5437b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: associated function is never used: `is_floor`
[INFO] [stdout] 
[INFO] [stderr]   --> src/board.rs:80:8
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 80 |     fn is_floor(
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `move_piece`
[INFO] [stderr]    --> src/board.rs:120:12
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn move_piece(
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `no_collision`
[INFO] [stderr]    --> src/board.rs:189:8
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn no_collision(
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_game_board`
[INFO] [stderr]    --> src/board.rs:273:12
[INFO] [stderr]     |
[INFO] [stderr] 273 |     pub fn print_game_board(&self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_holding_board`
[INFO] [stderr]    --> src/board.rs:319:12
[INFO] [stderr]     |
[INFO] [stderr] 319 |     pub fn print_holding_board(holding_board: &[[u8; HOLDING_SIZE]; HOLDING_SIZE]) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rotate_piece`
[INFO] [stderr]    --> src/board.rs:334:12
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn rotate_piece(
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `HOLDING_SIZE`
[INFO] [stderr]  --> src/game_constants.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub const HOLDING_SIZE: usize = 4;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `NONE`
[INFO] [stderr]   --> src/game_constants.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub const NONE: &str = "none";
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tetris_rust-f3e41fe627a6cb5a
[INFO] running `"docker" "inspect" "399bd7dead908b463fce13460616c1d8a264a416087e4b74b7514df436b5437b"`
[INFO] running `"docker" "rm" "-f" "399bd7dead908b463fce13460616c1d8a264a416087e4b74b7514df436b5437b"`
[INFO] [stdout] 399bd7dead908b463fce13460616c1d8a264a416087e4b74b7514df436b5437b