[INFO] fetching crate diff_match_patch 0.1.1...
[INFO] checking diff_match_patch-0.1.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate diff_match_patch 0.1.1 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate diff_match_patch 0.1.1 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diff_match_patch 0.1.1
[INFO] finished tweaking crates.io crate diff_match_patch 0.1.1
[INFO] tweaked toml for crates.io crate diff_match_patch 0.1.1 written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate crates.io crate diff_match_patch 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] a6243252f74299d6bb14663ac5a56e7d4b820b30b26cba4d59c680b0e51699d7
[INFO] running `Command { std: "docker" "start" "-a" "a6243252f74299d6bb14663ac5a56e7d4b820b30b26cba4d59c680b0e51699d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6243252f74299d6bb14663ac5a56e7d4b820b30b26cba4d59c680b0e51699d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6243252f74299d6bb14663ac5a56e7d4b820b30b26cba4d59c680b0e51699d7", kill_on_drop: false }`
[INFO] [stdout] a6243252f74299d6bb14663ac5a56e7d4b820b30b26cba4d59c680b0e51699d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] ee33f9f41aa25ad6f44e7e55a9a245b95fae955cb036c3dfebd097b22a4144bf
[INFO] running `Command { std: "docker" "start" "-a" "ee33f9f41aa25ad6f44e7e55a9a245b95fae955cb036c3dfebd097b22a4144bf", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking diff_match_patch v0.1.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/dmp.rs (2 fixes)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/integration_test.rs from 2018 edition to 2021
[INFO] [stdout] warning: associated function is never used: `diff_words_tochars`
[INFO] [stdout]    --> src/dmp.rs:702:12
[INFO] [stdout]     |
[INFO] [stdout] 702 |     pub fn diff_words_tochars(&mut self, text1: &String, text2: &String) -> (String, String, Vec<String>) {
[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: `diff_words_tochars_munge`
[INFO] [stdout]    --> src/dmp.rs:725:12
[INFO] [stdout]     |
[INFO] [stdout] 725 |     pub fn diff_words_tochars_munge(&mut self, text: &String, wordarray: &mut Vec<String>, wordhash: &mut HashMap<String, u32>) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_token_dict`
[INFO] [stdout]    --> src/dmp.rs:757:8
[INFO] [stdout]     |
[INFO] [stdout] 757 |     fn make_token_dict(&mut self, word: &str , wordarray: &mut Vec<String>, wordhash: &mut HashMap<String, u32>) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `diff_words_tochars`
[INFO] [stdout]    --> src/dmp.rs:702:12
[INFO] [stdout]     |
[INFO] [stdout] 702 |     pub fn diff_words_tochars(&mut self, text1: &String, text2: &String) -> (String, String, Vec<String>) {
[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: `diff_words_tochars_munge`
[INFO] [stdout]    --> src/dmp.rs:725:12
[INFO] [stdout]     |
[INFO] [stdout] 725 |     pub fn diff_words_tochars_munge(&mut self, text: &String, wordarray: &mut Vec<String>, wordhash: &mut HashMap<String, u32>) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_token_dict`
[INFO] [stdout]    --> src/dmp.rs:757:8
[INFO] [stdout]     |
[INFO] [stdout] 757 |     fn make_token_dict(&mut self, word: &str , wordarray: &mut Vec<String>, wordhash: &mut HashMap<String, u32>) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.12s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking diff_match_patch v0.1.1 (/tmp/fixit)
[INFO] [stdout] warning: associated function is never used: `diff_words_tochars`
[INFO] [stdout]    --> src/dmp.rs:702:12
[INFO] [stdout]     |
[INFO] [stdout] 702 |     pub fn diff_words_tochars(&mut self, text1: &String, text2: &String) -> (String, String, Vec<String>) {
[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: `diff_words_tochars_munge`
[INFO] [stdout]    --> src/dmp.rs:725:12
[INFO] [stdout]     |
[INFO] [stdout] 725 |     pub fn diff_words_tochars_munge(&mut self, text: &String, wordarray: &mut Vec<String>, wordhash: &mut HashMap<String, u32>) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_token_dict`
[INFO] [stdout]    --> src/dmp.rs:757:8
[INFO] [stdout]     |
[INFO] [stdout] 757 |     fn make_token_dict(&mut self, word: &str , wordarray: &mut Vec<String>, wordhash: &mut HashMap<String, u32>) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `diff_words_tochars`
[INFO] [stdout]    --> src/dmp.rs:702:12
[INFO] [stdout]     |
[INFO] [stdout] 702 |     pub fn diff_words_tochars(&mut self, text1: &String, text2: &String) -> (String, String, Vec<String>) {
[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: `diff_words_tochars_munge`
[INFO] [stdout]    --> src/dmp.rs:725:12
[INFO] [stdout]     |
[INFO] [stdout] 725 |     pub fn diff_words_tochars_munge(&mut self, text: &String, wordarray: &mut Vec<String>, wordhash: &mut HashMap<String, u32>) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_token_dict`
[INFO] [stdout]    --> src/dmp.rs:757:8
[INFO] [stdout]     |
[INFO] [stdout] 757 |     fn make_token_dict(&mut self, word: &str , wordarray: &mut Vec<String>, wordhash: &mut HashMap<String, u32>) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "ee33f9f41aa25ad6f44e7e55a9a245b95fae955cb036c3dfebd097b22a4144bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee33f9f41aa25ad6f44e7e55a9a245b95fae955cb036c3dfebd097b22a4144bf", kill_on_drop: false }`
[INFO] [stdout] ee33f9f41aa25ad6f44e7e55a9a245b95fae955cb036c3dfebd097b22a4144bf