[INFO] cloning repository https://github.com/zhangyut/rquark
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhangyut/rquark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangyut%2Frquark"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangyut%2Frquark'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68753a0df2eb6b92d69314a521ca6086411cf4a0
[INFO] checking zhangyut/rquark against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangyut%2Frquark" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhangyut/rquark on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zhangyut/rquark
[INFO] finished tweaking git repo https://github.com/zhangyut/rquark
[INFO] tweaked toml for git repo https://github.com/zhangyut/rquark written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/zhangyut/rquark already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e48c7097e3a9daad373863b7b913ea49702a922eca7917bf9fcf5e0e9c622795
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e48c7097e3a9daad373863b7b913ea49702a922eca7917bf9fcf5e0e9c622795"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rquark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `Task`
[INFO] [stderr]  --> src/task.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Task<'a, T> {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/task.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn new(id: u64, user: &'a str) -> Self {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_cmd`
[INFO] [stderr]   --> src/task.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn add_cmd(&mut self, cmd: T) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear_cmd`
[INFO] [stderr]   --> src/task.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn clear_cmd(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `at`
[INFO] [stderr]   --> src/task.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn at(&self, i: usize) -> &T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/task.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TaskResult`
[INFO] [stderr]   --> src/task.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct TaskResult<T: RawResult> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/task.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn new(id: u64, code: u8, result: T) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_id`
[INFO] [stderr]   --> src/task.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn get_id(&self) -> &u64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_code`
[INFO] [stderr]   --> src/task.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn get_code(&self) -> &u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_result`
[INFO] [stderr]   --> src/task.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn get_result(&self) -> &T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `result_to_str`
[INFO] [stderr]   --> src/task.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn result_to_str(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/task.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `succeed`
[INFO] [stderr]   --> src/task.rs:85:4
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn succeed<'a>(id: u64) -> TaskResult<EmptyResult<'a>> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `succeed_with_result`
[INFO] [stderr]   --> src/task.rs:88:4
[INFO] [stderr]    |
[INFO] [stderr] 88 | fn succeed_with_result<T: RawResult>(id: u64, result: T) -> TaskResult<T> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `user`
[INFO] [stderr]  --> src/task.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     user: &'a str,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear_cmd`
[INFO] [stderr]   --> src/task.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn clear_cmd(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/task.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_id`
[INFO] [stderr]   --> src/task.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn get_id(&self) -> &u64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_code`
[INFO] [stderr]   --> src/task.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn get_code(&self) -> &u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `succeed_with_result`
[INFO] [stderr]   --> src/task.rs:88:4
[INFO] [stderr]    |
[INFO] [stderr] 88 | fn succeed_with_result<T: RawResult>(id: u64, result: T) -> TaskResult<T> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `string`
[INFO] [stderr]    --> src/task.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         fn string(&self) -> String {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `myRet` should have a snake case name
[INFO] [stderr]    --> src/task.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let myRet = MyResult::new(err_msg);
[INFO] [stderr]     |             ^^^^^ help: convert the identifier to snake case: `my_ret`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "e48c7097e3a9daad373863b7b913ea49702a922eca7917bf9fcf5e0e9c622795"`
[INFO] running `"docker" "rm" "-f" "e48c7097e3a9daad373863b7b913ea49702a922eca7917bf9fcf5e0e9c622795"`
[INFO] [stdout] e48c7097e3a9daad373863b7b913ea49702a922eca7917bf9fcf5e0e9c622795