[INFO] updating cached repository https://github.com/woodgear/word-forms-rust
[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] e9962413f124091519fc2c1889b584ce2510fc60
[INFO] checking woodgear/word-forms-rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fword-forms-rust" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/woodgear/word-forms-rust on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/woodgear/word-forms-rust
[INFO] finished tweaking git repo https://github.com/woodgear/word-forms-rust
[INFO] tweaked toml for git repo https://github.com/woodgear/word-forms-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/woodgear/word-forms-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 69cdac0cd9d0bf6582cc94efc59a06e1a8abbdb68b82ea1f838de6135a158002
[INFO] running `"docker" "start" "-a" "69cdac0cd9d0bf6582cc94efc59a06e1a8abbdb68b82ea1f838de6135a158002"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking cute v0.3.0
[INFO] [stderr]     Checking strum v0.10.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
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[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking regex v1.0.2
[INFO] [stderr]    Compiling strum_macros v0.10.0
[INFO] [stderr]     Checking Inflector v0.11.3
[INFO] [stderr]     Checking word-forms-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/word_net/mod.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref WORDNET_INDEX: WordNetIndex = WordNetIndex::try_new().unwrap();
[INFO] [stderr] 21 | |     static ref POS_SYNSETS: PosSynsets = PosSynsets::try_new().unwrap();
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/word_net/mod.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref WORDNET_INDEX: WordNetIndex = WordNetIndex::try_new().unwrap();
[INFO] [stderr] 21 | |     static ref POS_SYNSETS: PosSynsets = PosSynsets::try_new().unwrap();
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/word_net/mod.rs:571:5
[INFO] [stderr]     |
[INFO] [stderr] 571 | /     lazy_static! {
[INFO] [stderr] 572 | |         static ref WN: WordNet = build_word_net();
[INFO] [stderr] 573 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/word_net/mod.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref WORDNET_INDEX: WordNetIndex = WordNetIndex::try_new().unwrap();
[INFO] [stderr] 21 | |     static ref POS_SYNSETS: PosSynsets = PosSynsets::try_new().unwrap();
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/word_net/mod.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref WORDNET_INDEX: WordNetIndex = WordNetIndex::try_new().unwrap();
[INFO] [stderr] 21 | |     static ref POS_SYNSETS: PosSynsets = PosSynsets::try_new().unwrap();
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/word_net/mod.rs:571:5
[INFO] [stderr]     |
[INFO] [stderr] 571 | /     lazy_static! {
[INFO] [stderr] 572 | |         static ref WN: WordNet = build_word_net();
[INFO] [stderr] 573 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/word_net/mod.rs:401:35
[INFO] [stderr]     |
[INFO] [stderr] 401 |     pub fn get_sense_index(&self, name: &String, p: &POS, offset: usize) -> usize {
[INFO] [stderr]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/word_net/mod.rs:401:50
[INFO] [stderr]     |
[INFO] [stderr] 401 |     pub fn get_sense_index(&self, name: &String, p: &POS, offset: usize) -> usize {
[INFO] [stderr]     |                                                  ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/word_net/mod.rs:401:59
[INFO] [stderr]     |
[INFO] [stderr] 401 |     pub fn get_sense_index(&self, name: &String, p: &POS, offset: usize) -> usize {
[INFO] [stderr]     |                                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/word_net/mod.rs:774:13
[INFO] [stderr]     |
[INFO] [stderr] 774 |         let index = WordNetIndex::build_index(PathBuf::from("/home/oaa/Downloads/dict")).unwrap();
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]    --> src/word_net/mod.rs:780:13
[INFO] [stderr]     |
[INFO] [stderr] 780 |         let pos = PosSynsets::build_data("/home/oaa/Downloads/dict").unwrap();
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `all`
[INFO] [stderr]    --> src/word_net/mod.rs:798:13
[INFO] [stderr]     |
[INFO] [stderr] 798 |         let all = wn.all_synsets(None);
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_all`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/word_net/mod.rs:159:21
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 let mut v = lemma_pointers.entry(source_lemma_name).or_default();
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/word_net/mod.rs:160:21
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 let mut lis = v.entry(pointer_symbol).or_default();
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/word_net/mod.rs:159:21
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 let mut v = lemma_pointers.entry(source_lemma_name).or_default();
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/word_net/mod.rs:160:21
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 let mut lis = v.entry(pointer_symbol).or_default();
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pertainyms`
[INFO] [stderr]   --> src/word_net/mod.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn pertainyms(&self) -> Vec<&Lemma> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `related`
[INFO] [stderr]   --> src/word_net/mod.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn related(&self, symbol: String) -> Vec<&Lemma> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lemmas`
[INFO] [stderr]    --> src/word_net/mod.rs:228:5
[INFO] [stderr]     |
[INFO] [stderr] 228 |     fn lemmas(&self) -> &Vec<Lemma> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]    --> src/word_net/mod.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     fn get(&self, ptr: &SynsetPtr) -> &BSynset {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_all_wordnet_words`
[INFO] [stderr]    --> src/word_net/mod.rs:580:8
[INFO] [stderr]     |
[INFO] [stderr] 580 |     fn get_all_wordnet_words() -> Vec<String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_conjugated_verb_list`
[INFO] [stderr]    --> src/word_net/mod.rs:590:8
[INFO] [stderr]     |
[INFO] [stderr] 590 |     fn get_conjugated_verb_list() -> Vec<Vec<String>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_related_lemmas`
[INFO] [stderr]    --> src/word_net/mod.rs:605:8
[INFO] [stderr]     |
[INFO] [stderr] 605 |     fn get_related_lemmas(_word: &String) {}
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_word_forms`
[INFO] [stderr]    --> src/word_net/mod.rs:607:12
[INFO] [stderr]     |
[INFO] [stderr] 607 |     pub fn get_word_forms(word: String) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_adjective_to_adverb`
[INFO] [stderr]    --> src/word_net/mod.rs:611:8
[INFO] [stderr]     |
[INFO] [stderr] 611 |     fn get_adjective_to_adverb() -> HashMap<String, String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_from)]
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pertainyms`
[INFO] [stderr]   --> src/word_net/mod.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn pertainyms(&self) -> Vec<&Lemma> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `related`
[INFO] [stderr]   --> src/word_net/mod.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn related(&self, symbol: String) -> Vec<&Lemma> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lemmas`
[INFO] [stderr]    --> src/word_net/mod.rs:228:5
[INFO] [stderr]     |
[INFO] [stderr] 228 |     fn lemmas(&self) -> &Vec<Lemma> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]    --> src/word_net/mod.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     fn get(&self, ptr: &SynsetPtr) -> &BSynset {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_all_wordnet_words`
[INFO] [stderr]    --> src/word_net/mod.rs:580:8
[INFO] [stderr]     |
[INFO] [stderr] 580 |     fn get_all_wordnet_words() -> Vec<String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_conjugated_verb_list`
[INFO] [stderr]    --> src/word_net/mod.rs:590:8
[INFO] [stderr]     |
[INFO] [stderr] 590 |     fn get_conjugated_verb_list() -> Vec<Vec<String>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_related_lemmas`
[INFO] [stderr]    --> src/word_net/mod.rs:605:8
[INFO] [stderr]     |
[INFO] [stderr] 605 |     fn get_related_lemmas(_word: &String) {}
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_word_forms`
[INFO] [stderr]    --> src/word_net/mod.rs:607:12
[INFO] [stderr]     |
[INFO] [stderr] 607 |     pub fn get_word_forms(word: String) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_adjective_to_adverb`
[INFO] [stderr]    --> src/word_net/mod.rs:611:8
[INFO] [stderr]     |
[INFO] [stderr] 611 |     fn get_adjective_to_adverb() -> HashMap<String, String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_from)]
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `WN` should have a snake case name
[INFO] [stderr]    --> src/word_net/mod.rs:788:13
[INFO] [stderr]     |
[INFO] [stderr] 788 |         let WN = WordNet::new().unwrap();
[INFO] [stderr]     |             ^^ help: convert the identifier to snake case: `wn`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.50s
[INFO] running `"docker" "inspect" "69cdac0cd9d0bf6582cc94efc59a06e1a8abbdb68b82ea1f838de6135a158002"`
[INFO] running `"docker" "rm" "-f" "69cdac0cd9d0bf6582cc94efc59a06e1a8abbdb68b82ea1f838de6135a158002"`
[INFO] [stdout] 69cdac0cd9d0bf6582cc94efc59a06e1a8abbdb68b82ea1f838de6135a158002