[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 try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftroublescooter%2Fsudoku" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/troublescooter/sudoku on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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-14/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9926053cb5ec52f00e1771bed21059fbffd97b6990c0fb8ddb499c4f1ef1d9f
[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" "b9926053cb5ec52f00e1771bed21059fbffd97b6990c0fb8ddb499c4f1ef1d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9926053cb5ec52f00e1771bed21059fbffd97b6990c0fb8ddb499c4f1ef1d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9926053cb5ec52f00e1771bed21059fbffd97b6990c0fb8ddb499c4f1ef1d9f", kill_on_drop: false }`
[INFO] [stdout] b9926053cb5ec52f00e1771bed21059fbffd97b6990c0fb8ddb499c4f1ef1d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e49b4221768f3bb856bfb254c37edc3615d8c67306e27c7756b5f03e2b16125
[INFO] running `Command { std: "docker" "start" "-a" "7e49b4221768f3bb856bfb254c37edc3615d8c67306e27c7756b5f03e2b16125", 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 or module `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 or module `Block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `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 or module `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<Item = impl DoubleEndedIterator<Item = (usize, &'_ T)>> {
[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<impl Iterator, std::slice::Iter<'_, T>>`
[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<Item = impl DoubleEndedIterator<Item = (usize, &'_ T)>> {
[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<impl Iterator, std::slice::Iter<'_, T>>`
[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<Item = impl DoubleEndedIterator<Item = (usize, &'_ T)>> {
[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<impl Iterator, std::slice::Iter<'_, T>>`
[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<Item = impl DoubleEndedIterator<Item = (usize, &'_ T)>> {
[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<impl Iterator, std::slice::Iter<'_, T>>`
[INFO] [stdout]    = note: the return type of a function must have a statically known size
[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] [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<T>(Vec<T>);
[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[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<T>(Vec<T>);
[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] [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<T>(Vec<T>);
[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] [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<T>(Vec<T>);
[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] error: could not compile `sudoku`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[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" "7e49b4221768f3bb856bfb254c37edc3615d8c67306e27c7756b5f03e2b16125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e49b4221768f3bb856bfb254c37edc3615d8c67306e27c7756b5f03e2b16125", kill_on_drop: false }`
[INFO] [stdout] 7e49b4221768f3bb856bfb254c37edc3615d8c67306e27c7756b5f03e2b16125
