[INFO] cloning repository https://github.com/troublescooter/sudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/troublescooter/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftroublescooter%2Fsudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftroublescooter%2Fsudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 87b434f31b8e38c98aa67ccd35801cfafb7033ac [INFO] checking troublescooter/sudoku against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftroublescooter%2Fsudoku" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/troublescooter/sudoku on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/troublescooter/sudoku [INFO] finished tweaking git repo https://github.com/troublescooter/sudoku [INFO] tweaked toml for git repo https://github.com/troublescooter/sudoku written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/troublescooter/sudoku already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 09d6f2668a2b1795260c32b203a9d5c8b827863b67fae8ade1871663ef980de0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "09d6f2668a2b1795260c32b203a9d5c8b827863b67fae8ade1871663ef980de0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09d6f2668a2b1795260c32b203a9d5c8b827863b67fae8ade1871663ef980de0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09d6f2668a2b1795260c32b203a9d5c8b827863b67fae8ade1871663ef980de0", kill_on_drop: false }` [INFO] [stdout] 09d6f2668a2b1795260c32b203a9d5c8b827863b67fae8ade1871663ef980de0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a4457275f4cb9c1bc8f3359bb45e97378e1ea04806c630eb2b17af207710a1c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6a4457275f4cb9c1bc8f3359bb45e97378e1ea04806c630eb2b17af207710a1c", kill_on_drop: false }` [INFO] [stderr] Checking sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `once`, `repeat` [INFO] [stdout] --> src/main.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::{once, repeat}; [INFO] [stdout] | ^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Block` [INFO] [stdout] --> src/main.rs:113:35 [INFO] [stdout] | [INFO] [stdout] 113 | let blocks: Vec<_> = vec![Block::from(default); 9]; [INFO] [stdout] | ^^^^^ use of undeclared type `Block` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Block` [INFO] [stdout] --> src/main.rs:132:49 [INFO] [stdout] | [INFO] [stdout] 132 | blocks.extend(raw.into_iter().map(|elt| Block::from(elt))); [INFO] [stdout] | ^^^^^ use of undeclared type `Block` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `once`, `repeat` [INFO] [stdout] --> src/main.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::{once, repeat}; [INFO] [stdout] | ^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `impl Iterator: DoubleEndedIterator` is not satisfied [INFO] [stdout] --> src/main.rs:45:42 [INFO] [stdout] | [INFO] [stdout] 45 | ) -> impl DoubleEndedIterator> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `DoubleEndedIterator` is not implemented for `impl Iterator` [INFO] [stdout] | [INFO] [stdout] = note: required because of the requirements on the impl of `DoubleEndedIterator` for `Zip>` [INFO] [stdout] = note: the return type of a function must have a statically known size [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `impl Iterator: ExactSizeIterator` is not satisfied [INFO] [stdout] --> src/main.rs:45:42 [INFO] [stdout] | [INFO] [stdout] 45 | ) -> impl DoubleEndedIterator> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `ExactSizeIterator` is not implemented for `impl Iterator` [INFO] [stdout] | [INFO] [stdout] = note: required because of the requirements on the impl of `DoubleEndedIterator` for `Zip>` [INFO] [stdout] = note: the return type of a function must have a statically known size [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `impl Iterator: DoubleEndedIterator` is not satisfied [INFO] [stdout] --> src/main.rs:45:42 [INFO] [stdout] | [INFO] [stdout] 45 | ) -> impl DoubleEndedIterator> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `DoubleEndedIterator` is not implemented for `impl Iterator` [INFO] [stdout] | [INFO] [stdout] = note: required because of the requirements on the impl of `DoubleEndedIterator` for `Zip>` [INFO] [stdout] = note: the return type of a function must have a statically known size [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `impl Iterator: ExactSizeIterator` is not satisfied [INFO] [stdout] --> src/main.rs:45:42 [INFO] [stdout] | [INFO] [stdout] 45 | ) -> impl DoubleEndedIterator> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `ExactSizeIterator` is not implemented for `impl Iterator` [INFO] [stdout] | [INFO] [stdout] = note: required because of the requirements on the impl of `DoubleEndedIterator` for `Zip>` [INFO] [stdout] = note: the return type of a function must have a statically known size [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `transpose` found for struct `Sudoku<_>` in the current scope [INFO] [stdout] --> src/main.rs:115:19 [INFO] [stdout] | [INFO] [stdout] 24 | struct Sudoku(Vec); [INFO] [stdout] | ------------------------- method `transpose` not found for this [INFO] [stdout] ... [INFO] [stdout] 115 | let t = s.transpose(); [INFO] [stdout] | ^^^^^^^^^ method not found in `Sudoku<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `sudoku` [INFO] [stdout] error[E0599]: no method named `validate_blocks` found for struct `Sudoku<_>` in the current scope [INFO] [stdout] --> src/main.rs:116:19 [INFO] [stdout] | [INFO] [stdout] 24 | struct Sudoku(Vec); [INFO] [stdout] | ------------------------- method `validate_blocks` not found for this [INFO] [stdout] ... [INFO] [stdout] 116 | assert!(s.validate_blocks()); [INFO] [stdout] | ^^^^^^^^^^^^^^^ method not found in `Sudoku<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] error[E0599]: no method named `transpose` found for struct `Sudoku<_>` in the current scope [INFO] [stdout] --> src/main.rs:134:29 [INFO] [stdout] | [INFO] [stdout] 24 | struct Sudoku(Vec); [INFO] [stdout] | ------------------------- method `transpose` not found for this [INFO] [stdout] ... [INFO] [stdout] 134 | let t_valid = valid.transpose(); [INFO] [stdout] | ^^^^^^^^^ method not found in `Sudoku<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stdout] error[E0599]: no method named `validate` found for struct `Sudoku<_>` in the current scope [INFO] [stdout] --> src/main.rs:136:23 [INFO] [stdout] | [INFO] [stdout] 24 | struct Sudoku(Vec); [INFO] [stdout] | ------------------------- method `validate` not found for this [INFO] [stdout] ... [INFO] [stdout] 136 | assert!(valid.validate()); [INFO] [stdout] | ^^^^^^^^ method not found in `Sudoku<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 8 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0433, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6a4457275f4cb9c1bc8f3359bb45e97378e1ea04806c630eb2b17af207710a1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a4457275f4cb9c1bc8f3359bb45e97378e1ea04806c630eb2b17af207710a1c", kill_on_drop: false }` [INFO] [stdout] 6a4457275f4cb9c1bc8f3359bb45e97378e1ea04806c630eb2b17af207710a1c