[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] testing ryota0624/rust_algorithm_picture_book_impl against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryota0624%2Frust_algorithm_picture_book_impl" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ryota0624/rust_algorithm_picture_book_impl on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-12/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9a039667555369d5edbf5fb6ff21bd2523ac93c289b95a3d55c47c1aa54a8c1a [INFO] running `"docker" "start" "-a" "9a039667555369d5edbf5fb6ff21bd2523ac93c289b95a3d55c47c1aa54a8c1a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling 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>`, 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>`, 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>`, 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>`, 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; 6 warnings emitted [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" "9a039667555369d5edbf5fb6ff21bd2523ac93c289b95a3d55c47c1aa54a8c1a"` [INFO] running `"docker" "rm" "-f" "9a039667555369d5edbf5fb6ff21bd2523ac93c289b95a3d55c47c1aa54a8c1a"` [INFO] [stdout] 9a039667555369d5edbf5fb6ff21bd2523ac93c289b95a3d55c47c1aa54a8c1a