[INFO] updating cached repository https://github.com/guobin211/play-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/guobin211/play-rust
[INFO] [stderr]    6b369a8..e81811c  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e81811cae26f380c85b45a0c66a9b8d3efdbfdb7
[INFO] checking guobin211/play-rust against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguobin211%2Fplay-rust" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guobin211/play-rust on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/guobin211/play-rust
[INFO] finished tweaking git repo https://github.com/guobin211/play-rust
[INFO] tweaked toml for git repo https://github.com/guobin211/play-rust written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/guobin211/play-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 431835c6e8b836c573c47bbd5982cc94d60b5df9b16e155ed0dbe23efd86abc5
[INFO] running `"docker" "start" "-a" "431835c6e8b836c573c47bbd5982cc94d60b5df9b16e155ed0dbe23efd86abc5"`
[INFO] [stderr]     Checking play-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `types_mod::types`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use types_mod::types;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `user_mod::user`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use user_mod::user;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `types_mod::types`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use types_mod::types;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `user_mod::user`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use user_mod::user;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/types_mod/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub fn run() {
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `string_copy`
[INFO] [stderr]   --> src/types_mod/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn string_copy() {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `number_size`
[INFO] [stderr]   --> src/types_mod/mod.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn number_size() {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `number_string`
[INFO] [stderr]   --> src/types_mod/mod.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn number_string() {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tuple`
[INFO] [stderr]   --> src/types_mod/mod.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn tuple() {
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_name`
[INFO] [stderr]   --> src/user_mod.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         pub fn get_name(&self) -> &str {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_name`
[INFO] [stderr]   --> src/user_mod.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         pub fn set_name(&mut self, name: String) {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/user_mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn run() {
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_user`
[INFO] [stderr]   --> src/user_mod.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn create_user(name: String, sign: u64) -> User {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/types_mod/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub fn run() {
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `string_copy`
[INFO] [stderr]   --> src/types_mod/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn string_copy() {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `number_size`
[INFO] [stderr]   --> src/types_mod/mod.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn number_size() {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `number_string`
[INFO] [stderr]   --> src/types_mod/mod.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn number_string() {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tuple`
[INFO] [stderr]   --> src/types_mod/mod.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn tuple() {
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_name`
[INFO] [stderr]   --> src/user_mod.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         pub fn get_name(&self) -> &str {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_name`
[INFO] [stderr]   --> src/user_mod.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         pub fn set_name(&mut self, name: String) {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/user_mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn run() {
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_user`
[INFO] [stderr]   --> src/user_mod.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn create_user(name: String, sign: u64) -> User {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "431835c6e8b836c573c47bbd5982cc94d60b5df9b16e155ed0dbe23efd86abc5"`
[INFO] running `"docker" "rm" "-f" "431835c6e8b836c573c47bbd5982cc94d60b5df9b16e155ed0dbe23efd86abc5"`
[INFO] [stdout] 431835c6e8b836c573c47bbd5982cc94d60b5df9b16e155ed0dbe23efd86abc5