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[INFO] [stderr] Downloaded bstr v0.2.11 [INFO] [stderr] Downloaded criterion-plot v0.4.1 [INFO] [stderr] Downloaded criterion v0.3.1 [INFO] [stderr] Downloaded regex-syntax v0.6.16 [INFO] running `Command { std: "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" "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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 76dc917d2e515f9a6de45df29a50702f48434cd6279e50527a32849abca3eb0a [INFO] running `Command { std: "docker" "start" "-a" "76dc917d2e515f9a6de45df29a50702f48434cd6279e50527a32849abca3eb0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "76dc917d2e515f9a6de45df29a50702f48434cd6279e50527a32849abca3eb0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76dc917d2e515f9a6de45df29a50702f48434cd6279e50527a32849abca3eb0a", kill_on_drop: false }` [INFO] [stdout] 76dc917d2e515f9a6de45df29a50702f48434cd6279e50527a32849abca3eb0a [INFO] running `Command { std: "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" "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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f25da61bd8103acfd080efab170e1cb5696348356813637a42c9fe4ba04d482 [INFO] running `Command { std: "docker" "start" "-a" "8f25da61bd8103acfd080efab170e1cb5696348356813637a42c9fe4ba04d482", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] syn v1.0.16 (as host dependency): full [INFO] [stderr] [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking regex-syntax v0.6.16 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking oorandom v11.1.0 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking criterion-plot v0.4.1 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking plotters v0.2.12 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking bstr v0.2.11 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.0.3 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking criterion v0.3.1 [INFO] [stderr] Checking rusty_algo_structs v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/data_structures/linked_lists.rs (2 fixes) [INFO] [stderr] Fixed src/data_structures/binary_search_tree_iterative.rs (5 fixes) [INFO] [stderr] Fixed src/algorithms/sorting/merge_sort.rs (1 fix) [INFO] [stdout] warning: function is never used: `build_linked_list` [INFO] [stdout] --> src/data_structures/linked_lists.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn build_linked_list(mut array: Vec) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `revserse_list` [INFO] [stdout] --> src/data_structures/linked_lists.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn revserse_list(head: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `swap_pairs` [INFO] [stdout] --> src/data_structures/linked_lists.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn swap_pairs(head: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bubble_sort` [INFO] [stdout] --> src/algorithms/sorting/bubble_sort.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn bubble_sort(array: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `insertion_sort` [INFO] [stdout] --> src/algorithms/sorting/insertion_sort.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn insertion_sort(array: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `selection_sort` [INFO] [stdout] --> src/algorithms/sorting/selection_sort.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn selection_sort(array: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `merge` [INFO] [stdout] --> src/algorithms/sorting/merge_sort.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn merge(sub_array_1: Vec, sub_array_2: Vec) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `merge_sort` [INFO] [stdout] --> src/algorithms/sorting/merge_sort.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn merge_sort(array: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_row` [INFO] [stdout] --> src/algorithms/pascal_triangle.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn get_row(row_index: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating benches/main_benchmark.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating benches/fib_benchmark.rs from 2018 edition to 2021 [INFO] [stderr] Migrating benches/bst_benchmark.rs from 2018 edition to 2021 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> benches/bst_benchmark.rs:9:25 [INFO] [stdout] | [INFO] [stdout] 9 | bst_iter.insert(i); [INFO] [stdout] | ^ expected struct `Rc`, found `i32` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Rc>` [INFO] [stdout] found type `i32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `inorder` found for enum `Option` in the current scope [INFO] [stdout] --> benches/bst_benchmark.rs:13:92 [INFO] [stdout] | [INFO] [stdout] 13 | group.bench_with_input(BenchmarkId::new("Iterative", 2), &2, |b, _| b.iter(|| bst_iter.inorder())); [INFO] [stdout] | ^^^^^^^ method not found in `Option>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rusty_algo_structs` due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/data_structures/binary_tree.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn new(value: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert_left` [INFO] [stdout] --> src/data_structures/binary_tree.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | fn insert_left(&mut self, value: Option) -> () { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert_right` [INFO] [stdout] --> src/data_structures/binary_tree.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | fn insert_right(&mut self, value: Option) -> () { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert` [INFO] [stdout] --> src/data_structures/binary_tree.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn insert(&mut self, value: Option) -> () { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `inorder_traverse` [INFO] [stdout] --> src/data_structures/binary_tree.rs:72:12 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn inorder_traverse(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `preorder_traverse` [INFO] [stdout] --> src/data_structures/binary_tree.rs:82:12 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn preorder_traverse(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `postorder_traverse` [INFO] [stdout] --> src/data_structures/binary_tree.rs:92:12 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn postorder_traverse(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/data_structures/binary_search_tree.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(value: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert` [INFO] [stdout] --> src/data_structures/binary_search_tree.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn insert(&mut self, value: i32) -> () { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `inorder` [INFO] [stdout] --> src/data_structures/binary_search_tree.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn inorder(&self) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `preorder` [INFO] [stdout] --> src/data_structures/binary_search_tree.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn preorder(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `postorder` [INFO] [stdout] --> src/data_structures/binary_search_tree.rs:69:12 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn postorder(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `delete` [INFO] [stdout] --> src/data_structures/binary_search_tree.rs:83:12 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn delete(&mut self, id: i32) -> () { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `exists` [INFO] [stdout] --> src/data_structures/binary_search_tree.rs:98:12 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn exists(&self, val: i32) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `build_bst` [INFO] [stdout] --> src/data_structures/binary_search_tree.rs:116:12 [INFO] [stdout] | [INFO] [stdout] 116 | pub fn build_bst(array: &Vec>, index: usize) -> PotentialNode { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/data_structures/binary_search_tree_iterative.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(value: i32) -> PotentialNode { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert` [INFO] [stdout] --> src/data_structures/binary_search_tree_iterative.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn insert(root: Rc>, value: i32) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `preorder` [INFO] [stdout] --> src/data_structures/binary_search_tree_iterative.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn preorder(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `inorder` [INFO] [stdout] --> src/data_structures/binary_search_tree_iterative.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn inorder(&self) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `postorder` [INFO] [stdout] --> src/data_structures/binary_search_tree_iterative.rs:86:12 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn postorder(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `bfs` [INFO] [stdout] --> src/data_structures/binary_search_tree_iterative.rs:104:12 [INFO] [stdout] | [INFO] [stdout] 104 | pub fn bfs(&self) -> Vec { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `build_linked_list` [INFO] [stdout] --> src/data_structures/linked_lists.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn build_linked_list(mut array: Vec) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `revserse_list` [INFO] [stdout] --> src/data_structures/linked_lists.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn revserse_list(head: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `swap_pairs` [INFO] [stdout] --> src/data_structures/linked_lists.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn swap_pairs(head: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> benches/bst_benchmark.rs:9:25 [INFO] [stdout] | [INFO] [stdout] 9 | bst_iter.insert(i); [INFO] [stdout] | ^ expected struct `Rc`, found `i32` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Rc>` [INFO] [stdout] found type `i32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `inorder` found for enum `Option` in the current scope [INFO] [stdout] --> benches/bst_benchmark.rs:13:92 [INFO] [stdout] | [INFO] [stdout] 13 | group.bench_with_input(BenchmarkId::new("Iterative", 2), &2, |b, _| b.iter(|| bst_iter.inorder())); [INFO] [stdout] | ^^^^^^^ method not found in `Option>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "8f25da61bd8103acfd080efab170e1cb5696348356813637a42c9fe4ba04d482", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f25da61bd8103acfd080efab170e1cb5696348356813637a42c9fe4ba04d482", kill_on_drop: false }` [INFO] [stdout] 8f25da61bd8103acfd080efab170e1cb5696348356813637a42c9fe4ba04d482