[INFO] updating cached repository AGausmann/tictactoe-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/AGausmann/tictactoe-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/AGausmann/tictactoe-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/AGausmann/tictactoe-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AGausmann/tictactoe-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/AGausmann/tictactoe-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AGausmann/tictactoe-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AGausmann/tictactoe-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ae30417cb415f8cdf56463a5c0068ee03bb230d6 [INFO] sha for GitHub repo AGausmann/tictactoe-rust: ae30417cb415f8cdf56463a5c0068ee03bb230d6 [INFO] validating manifest of AGausmann/tictactoe-rust 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 AGausmann/tictactoe-rust 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 AGausmann/tictactoe-rust [INFO] finished frobbing AGausmann/tictactoe-rust [INFO] frobbed toml for AGausmann/tictactoe-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/AGausmann/tictactoe-rust/Cargo.toml [INFO] started frobbing AGausmann/tictactoe-rust [INFO] finished frobbing AGausmann/tictactoe-rust [INFO] frobbed toml for AGausmann/tictactoe-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AGausmann/tictactoe-rust/Cargo.toml [INFO] crate AGausmann/tictactoe-rust 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 AGausmann/tictactoe-rust 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AGausmann/tictactoe-rust:/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] 8a4dbeac59d315880d697022907447179838fe087a312aec5505b45e991a220a [INFO] running `"docker" "start" "-a" "8a4dbeac59d315880d697022907447179838fe087a312aec5505b45e991a220a"` [INFO] [stderr] Compiling tic_tac_toe v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:310:23 [INFO] [stderr] | [INFO] [stderr] 310 | Ok(num @ 0...8) => num, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: #[warn(ellipsis_inclusive_range_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 85 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 93 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:94:13 [INFO] [stderr] | [INFO] [stderr] 84 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 94 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:118:9 [INFO] [stderr] | [INFO] [stderr] 84 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 118 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:118:9 [INFO] [stderr] | [INFO] [stderr] 94 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 118 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 85 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 119 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 93 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 119 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:127:9 [INFO] [stderr] | [INFO] [stderr] 85 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 127 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:127:9 [INFO] [stderr] | [INFO] [stderr] 93 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 127 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:127:9 [INFO] [stderr] | [INFO] [stderr] 119 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 127 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:128:13 [INFO] [stderr] | [INFO] [stderr] 84 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 128 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:128:13 [INFO] [stderr] | [INFO] [stderr] 94 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 128 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:128:13 [INFO] [stderr] | [INFO] [stderr] 118 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 128 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:190:5 [INFO] [stderr] | [INFO] [stderr] 178 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 190 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:192:9 [INFO] [stderr] | [INFO] [stderr] 176 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 192 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:230:5 [INFO] [stderr] | [INFO] [stderr] 176 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 230 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:230:5 [INFO] [stderr] | [INFO] [stderr] 192 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 230 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:232:9 [INFO] [stderr] | [INFO] [stderr] 178 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 232 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:232:9 [INFO] [stderr] | [INFO] [stderr] 190 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 232 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:244:5 [INFO] [stderr] | [INFO] [stderr] 178 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 244 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:244:5 [INFO] [stderr] | [INFO] [stderr] 190 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 244 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:244:5 [INFO] [stderr] | [INFO] [stderr] 232 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 244 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:246:9 [INFO] [stderr] | [INFO] [stderr] 176 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 246 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:246:9 [INFO] [stderr] | [INFO] [stderr] 192 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 246 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:246:9 [INFO] [stderr] | [INFO] [stderr] 230 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 246 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: value assigned to `cell_count` is never read [INFO] [stderr] --> src/main.rs:172:13 [INFO] [stderr] | [INFO] [stderr] 172 | let mut cell_count = 0; [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:186:13 [INFO] [stderr] | [INFO] [stderr] 186 | board.set_o(empty_cell); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:200:13 [INFO] [stderr] | [INFO] [stderr] 200 | board.set_o(empty_cell); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:213:9 [INFO] [stderr] | [INFO] [stderr] 213 | board.set_o(empty_cell); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:225:9 [INFO] [stderr] | [INFO] [stderr] 225 | board.set_o(empty_cell); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:240:13 [INFO] [stderr] | [INFO] [stderr] 240 | board.set_o(empty_cell); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:254:13 [INFO] [stderr] | [INFO] [stderr] 254 | board.set_o(empty_cell); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:267:9 [INFO] [stderr] | [INFO] [stderr] 267 | board.set_o(empty_cell); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:279:9 [INFO] [stderr] | [INFO] [stderr] 279 | board.set_o(empty_cell); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `"docker" "inspect" "8a4dbeac59d315880d697022907447179838fe087a312aec5505b45e991a220a"` [INFO] running `"docker" "rm" "-f" "8a4dbeac59d315880d697022907447179838fe087a312aec5505b45e991a220a"` [INFO] [stdout] 8a4dbeac59d315880d697022907447179838fe087a312aec5505b45e991a220a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AGausmann/tictactoe-rust:/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] 93144a6a546a07b2ae2d39fc1c529b6dca75f43aa89912a40be91bebde9e2c4a [INFO] running `"docker" "start" "-a" "93144a6a546a07b2ae2d39fc1c529b6dca75f43aa89912a40be91bebde9e2c4a"` [INFO] [stderr] Compiling tic_tac_toe v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:310:23 [INFO] [stderr] | [INFO] [stderr] 310 | Ok(num @ 0...8) => num, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: #[warn(ellipsis_inclusive_range_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 85 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 93 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:94:13 [INFO] [stderr] | [INFO] [stderr] 84 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 94 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:118:9 [INFO] [stderr] | [INFO] [stderr] 84 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 118 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:118:9 [INFO] [stderr] | [INFO] [stderr] 94 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 118 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 85 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 119 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 93 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 119 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:127:9 [INFO] [stderr] | [INFO] [stderr] 85 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 127 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:127:9 [INFO] [stderr] | [INFO] [stderr] 93 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 127 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:127:9 [INFO] [stderr] | [INFO] [stderr] 119 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 127 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:128:13 [INFO] [stderr] | [INFO] [stderr] 84 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 128 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:128:13 [INFO] [stderr] | [INFO] [stderr] 94 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 128 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:128:13 [INFO] [stderr] | [INFO] [stderr] 118 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 128 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:190:5 [INFO] [stderr] | [INFO] [stderr] 178 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 190 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:192:9 [INFO] [stderr] | [INFO] [stderr] 176 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 192 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:230:5 [INFO] [stderr] | [INFO] [stderr] 176 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 230 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:230:5 [INFO] [stderr] | [INFO] [stderr] 192 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 230 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:232:9 [INFO] [stderr] | [INFO] [stderr] 178 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 232 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:232:9 [INFO] [stderr] | [INFO] [stderr] 190 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 232 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:244:5 [INFO] [stderr] | [INFO] [stderr] 178 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 244 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:244:5 [INFO] [stderr] | [INFO] [stderr] 190 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 244 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'col` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:244:5 [INFO] [stderr] | [INFO] [stderr] 232 | 'col: for j in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 244 | 'col: for j in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'col already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:246:9 [INFO] [stderr] | [INFO] [stderr] 176 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 246 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:246:9 [INFO] [stderr] | [INFO] [stderr] 192 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 246 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'row` shadows a label name that is already in scope [INFO] [stderr] --> src/main.rs:246:9 [INFO] [stderr] | [INFO] [stderr] 230 | 'row: for i in 0..3 { [INFO] [stderr] | ---- first declared here [INFO] [stderr] ... [INFO] [stderr] 246 | 'row: for i in 0..3 { [INFO] [stderr] | ^^^^ lifetime 'row already in scope [INFO] [stderr] [INFO] [stderr] warning: value assigned to `cell_count` is never read [INFO] [stderr] --> src/main.rs:172:13 [INFO] [stderr] | [INFO] [stderr] 172 | let mut cell_count = 0; [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:186:13 [INFO] [stderr] | [INFO] [stderr] 186 | board.set_o(empty_cell); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:200:13 [INFO] [stderr] | [INFO] [stderr] 200 | board.set_o(empty_cell); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:213:9 [INFO] [stderr] | [INFO] [stderr] 213 | board.set_o(empty_cell); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:225:9 [INFO] [stderr] | [INFO] [stderr] 225 | board.set_o(empty_cell); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:240:13 [INFO] [stderr] | [INFO] [stderr] 240 | board.set_o(empty_cell); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:254:13 [INFO] [stderr] | [INFO] [stderr] 254 | board.set_o(empty_cell); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:267:9 [INFO] [stderr] | [INFO] [stderr] 267 | board.set_o(empty_cell); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:279:9 [INFO] [stderr] | [INFO] [stderr] 279 | board.set_o(empty_cell); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `"docker" "inspect" "93144a6a546a07b2ae2d39fc1c529b6dca75f43aa89912a40be91bebde9e2c4a"` [INFO] running `"docker" "rm" "-f" "93144a6a546a07b2ae2d39fc1c529b6dca75f43aa89912a40be91bebde9e2c4a"` [INFO] [stdout] 93144a6a546a07b2ae2d39fc1c529b6dca75f43aa89912a40be91bebde9e2c4a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AGausmann/tictactoe-rust:/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] 622d8caf525620b78c793e8a71c925048b1c9bbd56377dcc506be2d1cd209e13 [INFO] running `"docker" "start" "-a" "622d8caf525620b78c793e8a71c925048b1c9bbd56377dcc506be2d1cd209e13"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/tic_tac_toe-0b2ebae3408e9106 [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" "622d8caf525620b78c793e8a71c925048b1c9bbd56377dcc506be2d1cd209e13"` [INFO] running `"docker" "rm" "-f" "622d8caf525620b78c793e8a71c925048b1c9bbd56377dcc506be2d1cd209e13"` [INFO] [stdout] 622d8caf525620b78c793e8a71c925048b1c9bbd56377dcc506be2d1cd209e13