[INFO] cloning repository https://github.com/ryota0624/rust_algorithm_picture_book_impl [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryota0624/rust_algorithm_picture_book_impl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryota0624%2Frust_algorithm_picture_book_impl", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryota0624%2Frust_algorithm_picture_book_impl'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d5d0eb89bf4a10233f0ed916d3d7a7dec6fd09dc [INFO] checking ryota0624/rust_algorithm_picture_book_impl against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryota0624%2Frust_algorithm_picture_book_impl" "/workspace/builds/worker-81/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-81/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ryota0624/rust_algorithm_picture_book_impl on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-81/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7cadff77f01f11bf1aa77ec30e2a893b394704b1977dc6b14651443977bf3ddc [INFO] running `Command { std: "docker" "start" "-a" "7cadff77f01f11bf1aa77ec30e2a893b394704b1977dc6b14651443977bf3ddc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7cadff77f01f11bf1aa77ec30e2a893b394704b1977dc6b14651443977bf3ddc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cadff77f01f11bf1aa77ec30e2a893b394704b1977dc6b14651443977bf3ddc", kill_on_drop: false }` [INFO] [stdout] 7cadff77f01f11bf1aa77ec30e2a893b394704b1977dc6b14651443977bf3ddc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6159e5df099507f02f976a5ef49f7cc8780a74985018f44579c6d330d1668669 [INFO] running `Command { std: "docker" "start" "-a" "6159e5df099507f02f976a5ef49f7cc8780a74985018f44579c6d330d1668669", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rust_algorithm_picture_book_impl v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sorter_test` [INFO] [stdout] --> src/sort/bubble_sort.rs:2:27 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::sort::{Sorter, sorter_test}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sorter_test` [INFO] [stdout] --> src/sort/selection_sort.rs:2:27 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::sort::{Sorter, sorter_test}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sorter_test` [INFO] [stdout] --> src/sort/insertion_sort.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::sort::{Sorter, sorter_test}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `search_test` [INFO] [stdout] --> src/search/liner_search.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::search::{Searcher, search_test}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `search_test` [INFO] [stdout] --> src/search/binary_search.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::search::{Searcher, search_test}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `base_index` [INFO] [stdout] --> src/search/liner_search.rs:8:14 [INFO] [stdout] | [INFO] [stdout] 8 | for (base_index, val) in list.iter().enumerate() { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_index` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `base_index` [INFO] [stdout] --> src/search/liner_search.rs:8:14 [INFO] [stdout] | [INFO] [stdout] 8 | for (base_index, val) in list.iter().enumerate() { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_index` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0507]: cannot move out of a shared reference [INFO] [stdout] --> src/data_structure/list.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | self.next.as_ref() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ move occurs because value has type `Option>`, which does not implement the `Copy` trait [INFO] [stdout] | [INFO] [stdout] help: consider borrowing the `Option`'s content [INFO] [stdout] | [INFO] [stdout] 12 | self.next.as_ref().as_ref() [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing function parameter `n` [INFO] [stdout] --> src/data_structure/list.rs:26:31 [INFO] [stdout] | [INFO] [stdout] 26 | .and_then(|n| n.index_at(i - 1)) [INFO] [stdout] | -^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | returns a value referencing data owned by the current function [INFO] [stdout] | `n` is borrowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0507]: cannot move out of a shared reference [INFO] [stdout] --> src/data_structure/list.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | self.next.as_ref() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ move occurs because value has type `Option>`, which does not implement the `Copy` trait [INFO] [stdout] | [INFO] [stdout] help: consider borrowing the `Option`'s content [INFO] [stdout] | [INFO] [stdout] 25 | self.next.as_ref().as_ref() [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0507]: cannot move out of `self.value` which is behind a shared reference [INFO] [stdout] --> src/data_structure/list.rs:33:47 [INFO] [stdout] | [INFO] [stdout] 33 | None => Box::new(ListItem{ value: self.value, next: Box::new(None) }) [INFO] [stdout] | ^^^^^^^^^^ move occurs because `self.value` has type `T`, which does not implement the `Copy` trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0507]: cannot move out of a shared reference [INFO] [stdout] --> src/data_structure/list.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | self.head.as_ref().map(|h| h.tail_size()).unwrap_or(0) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ move occurs because value has type `Option>`, which does not implement the `Copy` trait [INFO] [stdout] | [INFO] [stdout] help: consider borrowing the `Option`'s content [INFO] [stdout] | [INFO] [stdout] 41 | self.head.as_ref().as_ref().map(|h| h.tail_size()).unwrap_or(0) [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing function parameter `h` [INFO] [stdout] --> src/data_structure/list.rs:45:41 [INFO] [stdout] | [INFO] [stdout] 45 | self.head.as_ref().and_then(|h| h.index_at(i)) [INFO] [stdout] | -^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | returns a value referencing data owned by the current function [INFO] [stdout] | `h` is borrowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0507]: cannot move out of a shared reference [INFO] [stdout] --> src/data_structure/list.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | self.head.as_ref().and_then(|h| h.index_at(i)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ move occurs because value has type `Option>`, which does not implement the `Copy` trait [INFO] [stdout] | [INFO] [stdout] help: consider borrowing the `Option`'s content [INFO] [stdout] | [INFO] [stdout] 45 | self.head.as_ref().as_ref().and_then(|h| h.index_at(i)) [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0507, E0515. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0507`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_algorithm_picture_book_impl` due to 8 previous errors; 6 warnings emitted [INFO] [stdout] error[E0507]: cannot move out of a shared reference [INFO] [stdout] --> src/data_structure/list.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | self.next.as_ref() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ move occurs because value has type `Option>`, which does not implement the `Copy` trait [INFO] [stdout] | [INFO] [stdout] help: consider borrowing the `Option`'s content [INFO] [stdout] | [INFO] [stdout] 12 | self.next.as_ref().as_ref() [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0515]: cannot return value referencing function parameter `n` [INFO] [stdout] --> src/data_structure/list.rs:26:31 [INFO] [stdout] | [INFO] [stdout] 26 | .and_then(|n| n.index_at(i - 1)) [INFO] [stdout] | -^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | returns a value referencing data owned by the current function [INFO] [stdout] | `n` is borrowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0507]: cannot move out of a shared reference [INFO] [stdout] --> src/data_structure/list.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | self.next.as_ref() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ move occurs because value has type `Option>`, which does not implement the `Copy` trait [INFO] [stdout] | [INFO] [stdout] help: consider borrowing the `Option`'s content [INFO] [stdout] | [INFO] [stdout] 25 | self.next.as_ref().as_ref() [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0507]: cannot move out of `self.value` which is behind a shared reference [INFO] [stdout] --> src/data_structure/list.rs:33:47 [INFO] [stdout] | [INFO] [stdout] 33 | None => Box::new(ListItem{ value: self.value, next: Box::new(None) }) [INFO] [stdout] | ^^^^^^^^^^ move occurs because `self.value` has type `T`, which does not implement the `Copy` trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0507]: cannot move out of a shared reference [INFO] [stdout] --> src/data_structure/list.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | self.head.as_ref().map(|h| h.tail_size()).unwrap_or(0) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ move occurs because value has type `Option>`, which does not implement the `Copy` trait [INFO] [stdout] | [INFO] [stdout] help: consider borrowing the `Option`'s content [INFO] [stdout] | [INFO] [stdout] 41 | self.head.as_ref().as_ref().map(|h| h.tail_size()).unwrap_or(0) [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing function parameter `h` [INFO] [stdout] --> src/data_structure/list.rs:45:41 [INFO] [stdout] | [INFO] [stdout] 45 | self.head.as_ref().and_then(|h| h.index_at(i)) [INFO] [stdout] | -^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | returns a value referencing data owned by the current function [INFO] [stdout] | `h` is borrowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0507]: cannot move out of a shared reference [INFO] [stdout] --> src/data_structure/list.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | self.head.as_ref().and_then(|h| h.index_at(i)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ move occurs because value has type `Option>`, which does not implement the `Copy` trait [INFO] [stdout] | [INFO] [stdout] help: consider borrowing the `Option`'s content [INFO] [stdout] | [INFO] [stdout] 45 | self.head.as_ref().as_ref().and_then(|h| h.index_at(i)) [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0507, E0515. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0507`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6159e5df099507f02f976a5ef49f7cc8780a74985018f44579c6d330d1668669", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6159e5df099507f02f976a5ef49f7cc8780a74985018f44579c6d330d1668669", kill_on_drop: false }` [INFO] [stdout] 6159e5df099507f02f976a5ef49f7cc8780a74985018f44579c6d330d1668669