[INFO] cloning repository https://github.com/cuolan/rust-project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cuolan/rust-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuolan%2Frust-project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuolan%2Frust-project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2056683503bb3b5f6fdec0839b43b92111da4a2c
[INFO] checking cuolan/rust-project against try#63132bd615c9bf75e93af8405d00064212331708 for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuolan%2Frust-project" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
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[INFO] started tweaking git repo https://github.com/cuolan/rust-project
[INFO] finished tweaking git repo https://github.com/cuolan/rust-project
[INFO] tweaked toml for git repo https://github.com/cuolan/rust-project written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cuolan/rust-project on toolchain 63132bd615c9bf75e93af8405d00064212331708
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cuolan/rust-project already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "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] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7939d54343a65d58edfa00380792c27ca5700fe1e65505be180d618fb17b6220
[INFO] running `Command { std: "docker" "start" "-a" "7939d54343a65d58edfa00380792c27ca5700fe1e65505be180d618fb17b6220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7939d54343a65d58edfa00380792c27ca5700fe1e65505be180d618fb17b6220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7939d54343a65d58edfa00380792c27ca5700fe1e65505be180d618fb17b6220", kill_on_drop: false }`
[INFO] [stdout] 7939d54343a65d58edfa00380792c27ca5700fe1e65505be180d618fb17b6220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a22d3b59c1859462bdf14bdf9df96b1285acf5fec692d51864764dbaaac60972
[INFO] running `Command { std: "docker" "start" "-a" "a22d3b59c1859462bdf14bdf9df96b1285acf5fec692d51864764dbaaac60972", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `word`
[INFO] [stdout]   --> src/main.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn add_word(&mut self, word: Word) {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_word`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group`
[INFO] [stdout]    --> src/main.rs:105:34
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn get_words_in_group(&self, group: &str) -> Option<&Vec<Word>> { 
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `word`
[INFO] [stdout]   --> src/main.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn add_word(&mut self, word: Word) {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_word`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group`
[INFO] [stdout]    --> src/main.rs:105:34
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn get_words_in_group(&self, group: &str) -> Option<&Vec<Word>> { 
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:792:52
[INFO] [stdout]     |
[INFO] [stdout] 792 | ...                   .body(|mut body| {
[INFO] [stdout]     |                              ----^^^^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `table_name`
[INFO] [stdout]    --> src/main.rs:766:33
[INFO] [stdout]     |
[INFO] [stdout] 766 |                     if let Some(ref table_name) = self.current_word_table {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_table_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group`
[INFO] [stdout]    --> src/main.rs:593:26
[INFO] [stdout]     |
[INFO] [stdout] 593 |             if let Some((group, table_name)) = &self.editing_word_table.clone() {
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `table_name`
[INFO] [stdout]    --> src/main.rs:593:33
[INFO] [stdout]     |
[INFO] [stdout] 593 |             if let Some((group, table_name)) = &self.editing_word_table.clone() {
[INFO] [stdout]     |                                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_table_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:792:52
[INFO] [stdout]     |
[INFO] [stdout] 792 | ...                   .body(|mut body| {
[INFO] [stdout]     |                              ----^^^^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `table_name`
[INFO] [stdout]    --> src/main.rs:766:33
[INFO] [stdout]     |
[INFO] [stdout] 766 |                     if let Some(ref table_name) = self.current_word_table {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_table_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group`
[INFO] [stdout]    --> src/main.rs:593:26
[INFO] [stdout]     |
[INFO] [stdout] 593 |             if let Some((group, table_name)) = &self.editing_word_table.clone() {
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `table_name`
[INFO] [stdout]    --> src/main.rs:593:33
[INFO] [stdout]     |
[INFO] [stdout] 593 |             if let Some((group, table_name)) = &self.editing_word_table.clone() {
[INFO] [stdout]     |                                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_table_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_word` and `get_words_in_group` are never used
[INFO] [stdout]    --> src/main.rs:28:8
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl FlashMemory {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  28 |     fn add_word(&mut self, word: Word) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn get_words_in_group(&self, group: &str) -> Option<&Vec<Word>> { 
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `creating_new_word_table`, `new_word_table_name`, and `words_per_page` are never read
[INFO] [stdout]    --> src/main.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | struct FlashMemoryApp {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 172 |     creating_new_word_table: Option<String>, // 正在为哪个分组创建新单词表
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 173 |     new_word_table_name: String, // 新单词表名称输入框
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 |     words_per_page: usize, // 每页显示的单词数量
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_total_pages` and `get_current_page_words` are never used
[INFO] [stdout]    --> src/main.rs:941:8
[INFO] [stdout]     |
[INFO] [stdout] 913 | impl FlashMemoryApp {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 941 |     fn get_total_pages(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 950 |     fn get_current_page_words(&self) -> Vec<Word> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_word` and `get_words_in_group` are never used
[INFO] [stdout]    --> src/main.rs:28:8
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl FlashMemory {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  28 |     fn add_word(&mut self, word: Word) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn get_words_in_group(&self, group: &str) -> Option<&Vec<Word>> { 
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `creating_new_word_table`, `new_word_table_name`, and `words_per_page` are never read
[INFO] [stdout]    --> src/main.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | struct FlashMemoryApp {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 172 |     creating_new_word_table: Option<String>, // 正在为哪个分组创建新单词表
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 173 |     new_word_table_name: String, // 新单词表名称输入框
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 |     words_per_page: usize, // 每页显示的单词数量
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_total_pages` and `get_current_page_words` are never used
[INFO] [stdout]    --> src/main.rs:941:8
[INFO] [stdout]     |
[INFO] [stdout] 913 | impl FlashMemoryApp {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 941 |     fn get_total_pages(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 950 |     fn get_current_page_words(&self) -> Vec<Word> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.70s
[INFO] running `Command { std: "docker" "inspect" "a22d3b59c1859462bdf14bdf9df96b1285acf5fec692d51864764dbaaac60972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22d3b59c1859462bdf14bdf9df96b1285acf5fec692d51864764dbaaac60972", kill_on_drop: false }`
[INFO] [stdout] a22d3b59c1859462bdf14bdf9df96b1285acf5fec692d51864764dbaaac60972
