[INFO] updating cached repository https://github.com/ryota0624/rust_algorithm_picture_book_impl
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d5d0eb89bf4a10233f0ed916d3d7a7dec6fd09dc
[INFO] checking ryota0624/rust_algorithm_picture_book_impl against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryota0624%2Frust_algorithm_picture_book_impl" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryota0624/rust_algorithm_picture_book_impl on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ryota0624/rust_algorithm_picture_book_impl
[INFO] finished tweaking git repo https://github.com/ryota0624/rust_algorithm_picture_book_impl
[INFO] tweaked toml for git repo https://github.com/ryota0624/rust_algorithm_picture_book_impl written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ryota0624/rust_algorithm_picture_book_impl already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f57d9f9d7023f9d3dd7d38f32e2a1f2a66e9aca8e1eb8ec5dcccf48024c1c89
[INFO] running `"docker" "start" "-a" "3f57d9f9d7023f9d3dd7d38f32e2a1f2a66e9aca8e1eb8ec5dcccf48024c1c89"`
[INFO] [stderr]     Checking rust_algorithm_picture_book_impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `sorter_test`
[INFO] [stderr]  --> src/sort/bubble_sort.rs:2:27
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::sort::{Sorter, sorter_test};
[INFO] [stderr]   |                           ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sorter_test`
[INFO] [stderr]  --> src/sort/selection_sort.rs:2:27
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::sort::{Sorter, sorter_test};
[INFO] [stderr]   |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sorter_test`
[INFO] [stderr]  --> src/sort/insertion_sort.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::sort::{Sorter, sorter_test};
[INFO] [stderr]   |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `search_test`
[INFO] [stderr]  --> src/search/liner_search.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::search::{Searcher, search_test};
[INFO] [stderr]   |                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `search_test`
[INFO] [stderr]  --> src/search/binary_search.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::search::{Searcher, search_test};
[INFO] [stderr]   |                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `base_index`
[INFO] [stderr]  --> src/search/liner_search.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |         for (base_index, val) in list.iter().enumerate() {
[INFO] [stderr]   |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_index`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of a shared reference
[INFO] [stderr]   --> src/data_structure/list.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         self.next.as_ref()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         move occurs because value has type `std::option::Option<data_structure::list::ListItem<T>>`, which does not implement the `Copy` trait
[INFO] [stderr]    |         help: consider borrowing the `Option`'s content: `self.next.as_ref().as_ref()`
[INFO] [stderr] 
[INFO] [stderr] error[E0515]: cannot return value referencing function parameter `n`
[INFO] [stderr]   --> src/data_structure/list.rs:26:31
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 .and_then(|n| n.index_at(i - 1))
[INFO] [stderr]    |                               -^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                               |
[INFO] [stderr]    |                               returns a value referencing data owned by the current function
[INFO] [stderr]    |                               `n` is borrowed here
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of a shared reference
[INFO] [stderr]   --> src/data_structure/list.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             self.next.as_ref()
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             move occurs because value has type `std::option::Option<data_structure::list::ListItem<T>>`, which does not implement the `Copy` trait
[INFO] [stderr]    |             help: consider borrowing the `Option`'s content: `self.next.as_ref().as_ref()`
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of `self.value` which is behind a shared reference
[INFO] [stderr]   --> src/data_structure/list.rs:33:47
[INFO] [stderr]    |
[INFO] [stderr] 33 |             None => Box::new(ListItem{ value: self.value, next: Box::new(None) })
[INFO] [stderr]    |                                               ^^^^^^^^^^ move occurs because `self.value` has type `T`, which does not implement the `Copy` trait
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of a shared reference
[INFO] [stderr]   --> src/data_structure/list.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         self.head.as_ref().map(|h| h.tail_size()).unwrap_or(0)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         move occurs because value has type `std::option::Option<data_structure::list::ListItem<T>>`, which does not implement the `Copy` trait
[INFO] [stderr]    |         help: consider borrowing the `Option`'s content: `self.head.as_ref().as_ref()`
[INFO] [stderr] 
[INFO] [stderr] error[E0515]: cannot return value referencing function parameter `h`
[INFO] [stderr]   --> src/data_structure/list.rs:45:41
[INFO] [stderr]    |
[INFO] [stderr] 45 |         self.head.as_ref().and_then(|h| h.index_at(i))
[INFO] [stderr]    |                                         -^^^^^^^^^^^^
[INFO] [stderr]    |                                         |
[INFO] [stderr]    |                                         returns a value referencing data owned by the current function
[INFO] [stderr]    |                                         `h` is borrowed here
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of a shared reference
[INFO] [stderr]   --> src/data_structure/list.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         self.head.as_ref().and_then(|h| h.index_at(i))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         move occurs because value has type `std::option::Option<data_structure::list::ListItem<T>>`, which does not implement the `Copy` trait
[INFO] [stderr]    |         help: consider borrowing the `Option`'s content: `self.head.as_ref().as_ref()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0507, E0515.
[INFO] [stderr] For more information about an error, try `rustc --explain E0507`.
[INFO] [stderr] error: could not compile `rust_algorithm_picture_book_impl`.
[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] [stderr] warning: unused variable: `base_index`
[INFO] [stderr]  --> src/search/liner_search.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |         for (base_index, val) in list.iter().enumerate() {
[INFO] [stderr]   |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_index`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of a shared reference
[INFO] [stderr]   --> src/data_structure/list.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         self.next.as_ref()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         move occurs because value has type `std::option::Option<data_structure::list::ListItem<T>>`, which does not implement the `Copy` trait
[INFO] [stderr]    |         help: consider borrowing the `Option`'s content: `self.next.as_ref().as_ref()`
[INFO] [stderr] 
[INFO] [stderr] error[E0515]: cannot return value referencing function parameter `n`
[INFO] [stderr]   --> src/data_structure/list.rs:26:31
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 .and_then(|n| n.index_at(i - 1))
[INFO] [stderr]    |                               -^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                               |
[INFO] [stderr]    |                               returns a value referencing data owned by the current function
[INFO] [stderr]    |                               `n` is borrowed here
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of a shared reference
[INFO] [stderr]   --> src/data_structure/list.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             self.next.as_ref()
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             move occurs because value has type `std::option::Option<data_structure::list::ListItem<T>>`, which does not implement the `Copy` trait
[INFO] [stderr]    |             help: consider borrowing the `Option`'s content: `self.next.as_ref().as_ref()`
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of `self.value` which is behind a shared reference
[INFO] [stderr]   --> src/data_structure/list.rs:33:47
[INFO] [stderr]    |
[INFO] [stderr] 33 |             None => Box::new(ListItem{ value: self.value, next: Box::new(None) })
[INFO] [stderr]    |                                               ^^^^^^^^^^ move occurs because `self.value` has type `T`, which does not implement the `Copy` trait
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of a shared reference
[INFO] [stderr]   --> src/data_structure/list.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         self.head.as_ref().map(|h| h.tail_size()).unwrap_or(0)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         move occurs because value has type `std::option::Option<data_structure::list::ListItem<T>>`, which does not implement the `Copy` trait
[INFO] [stderr]    |         help: consider borrowing the `Option`'s content: `self.head.as_ref().as_ref()`
[INFO] [stderr] 
[INFO] [stderr] error[E0515]: cannot return value referencing function parameter `h`
[INFO] [stderr]   --> src/data_structure/list.rs:45:41
[INFO] [stderr]    |
[INFO] [stderr] 45 |         self.head.as_ref().and_then(|h| h.index_at(i))
[INFO] [stderr]    |                                         -^^^^^^^^^^^^
[INFO] [stderr]    |                                         |
[INFO] [stderr]    |                                         returns a value referencing data owned by the current function
[INFO] [stderr]    |                                         `h` is borrowed here
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of a shared reference
[INFO] [stderr]   --> src/data_structure/list.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         self.head.as_ref().and_then(|h| h.index_at(i))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         move occurs because value has type `std::option::Option<data_structure::list::ListItem<T>>`, which does not implement the `Copy` trait
[INFO] [stderr]    |         help: consider borrowing the `Option`'s content: `self.head.as_ref().as_ref()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0507, E0515.
[INFO] [stderr] For more information about an error, try `rustc --explain E0507`.
[INFO] [stderr] error: could not compile `rust_algorithm_picture_book_impl`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3f57d9f9d7023f9d3dd7d38f32e2a1f2a66e9aca8e1eb8ec5dcccf48024c1c89"`
[INFO] running `"docker" "rm" "-f" "3f57d9f9d7023f9d3dd7d38f32e2a1f2a66e9aca8e1eb8ec5dcccf48024c1c89"`
[INFO] [stdout] 3f57d9f9d7023f9d3dd7d38f32e2a1f2a66e9aca8e1eb8ec5dcccf48024c1c89
