[INFO] updating cached repository jvperrin/rusty-tetris [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jvperrin/rusty-tetris [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jvperrin/rusty-tetris" "work/ex/beta-1.38-1/sources/1.37.0/gh/jvperrin/rusty-tetris"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jvperrin/rusty-tetris'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jvperrin/rusty-tetris" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jvperrin/rusty-tetris"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jvperrin/rusty-tetris'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] dff335f19b885b4c65bd43f6a471c0f21b829698 [INFO] sha for GitHub repo jvperrin/rusty-tetris: dff335f19b885b4c65bd43f6a471c0f21b829698 [INFO] validating manifest of jvperrin/rusty-tetris 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 jvperrin/rusty-tetris 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 jvperrin/rusty-tetris [INFO] finished frobbing jvperrin/rusty-tetris [INFO] frobbed toml for jvperrin/rusty-tetris written to work/ex/beta-1.38-1/sources/1.37.0/gh/jvperrin/rusty-tetris/Cargo.toml [INFO] started frobbing jvperrin/rusty-tetris [INFO] finished frobbing jvperrin/rusty-tetris [INFO] frobbed toml for jvperrin/rusty-tetris written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jvperrin/rusty-tetris/Cargo.toml [INFO] crate jvperrin/rusty-tetris 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 jvperrin/rusty-tetris against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jvperrin/rusty-tetris:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] b0d9d1c43ca74be89abc5565a4a5906577da5bc3d0eea1e6fd6c517eea294337 [INFO] running `"docker" "start" "-a" "b0d9d1c43ca74be89abc5565a4a5906577da5bc3d0eea1e6fd6c517eea294337"` [INFO] [stderr] Compiling ncurses v5.86.0 [INFO] [stderr] Compiling rand v0.3.16 [INFO] [stderr] Compiling tetris v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `board` [INFO] [stderr] --> src/main.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | let mut board = Board { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_board` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `dir` is assigned to, but never used [INFO] [stderr] --> src/main.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | let mut dir = Direction::NONE; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_dir` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `dir` is never read [INFO] [stderr] --> src/main.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | dir = get_next_move(); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | let mut board = Board { [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/main.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | let mut status = Status::SUCCESS; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `FAILURE` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | FAILURE, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `DOWN` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | DOWN, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `points` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | points: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `xmax` [INFO] [stderr] --> src/main.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | xmax: u32, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `ymax` [INFO] [stderr] --> src/main.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | ymax: u32, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `placed_pieces` [INFO] [stderr] --> src/main.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | placed_pieces: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `upcoming_pieces` [INFO] [stderr] --> src/main.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | upcoming_pieces: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.95s [INFO] running `"docker" "inspect" "b0d9d1c43ca74be89abc5565a4a5906577da5bc3d0eea1e6fd6c517eea294337"` [INFO] running `"docker" "rm" "-f" "b0d9d1c43ca74be89abc5565a4a5906577da5bc3d0eea1e6fd6c517eea294337"` [INFO] [stdout] b0d9d1c43ca74be89abc5565a4a5906577da5bc3d0eea1e6fd6c517eea294337 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jvperrin/rusty-tetris:/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 14023de0ff4d125bbccca41b48794ae3caab033cc630c8c573b63c1b39ada006 [INFO] running `"docker" "start" "-a" "14023de0ff4d125bbccca41b48794ae3caab033cc630c8c573b63c1b39ada006"` [INFO] [stderr] Compiling tetris v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `board` [INFO] [stderr] --> src/main.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | let mut board = Board { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_board` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `dir` is assigned to, but never used [INFO] [stderr] --> src/main.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | let mut dir = Direction::NONE; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_dir` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `dir` is never read [INFO] [stderr] --> src/main.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | dir = get_next_move(); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | let mut board = Board { [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/main.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | let mut status = Status::SUCCESS; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `FAILURE` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | FAILURE, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `DOWN` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | DOWN, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `points` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | points: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `xmax` [INFO] [stderr] --> src/main.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | xmax: u32, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `ymax` [INFO] [stderr] --> src/main.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | ymax: u32, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `placed_pieces` [INFO] [stderr] --> src/main.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | placed_pieces: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `upcoming_pieces` [INFO] [stderr] --> src/main.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | upcoming_pieces: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `"docker" "inspect" "14023de0ff4d125bbccca41b48794ae3caab033cc630c8c573b63c1b39ada006"` [INFO] running `"docker" "rm" "-f" "14023de0ff4d125bbccca41b48794ae3caab033cc630c8c573b63c1b39ada006"` [INFO] [stdout] 14023de0ff4d125bbccca41b48794ae3caab033cc630c8c573b63c1b39ada006 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jvperrin/rusty-tetris:/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 658da61a01c6c36be185f5cf808b5462ac3ae23c0ed681f5f9169a7cec4f35dd [INFO] running `"docker" "start" "-a" "658da61a01c6c36be185f5cf808b5462ac3ae23c0ed681f5f9169a7cec4f35dd"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/tetris-abaf7fe650536668 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "658da61a01c6c36be185f5cf808b5462ac3ae23c0ed681f5f9169a7cec4f35dd"` [INFO] running `"docker" "rm" "-f" "658da61a01c6c36be185f5cf808b5462ac3ae23c0ed681f5f9169a7cec4f35dd"` [INFO] [stdout] 658da61a01c6c36be185f5cf808b5462ac3ae23c0ed681f5f9169a7cec4f35dd