[INFO] cloning repository https://github.com/kosmas12/project_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kosmas12/project_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkosmas12%2Fproject_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkosmas12%2Fproject_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d578937c500d97e13973d867bf31d8beb5f1367
[INFO] testing kosmas12/project_rust against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkosmas12%2Fproject_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kosmas12/project_rust
[INFO] finished tweaking git repo https://github.com/kosmas12/project_rust
[INFO] tweaked toml for git repo https://github.com/kosmas12/project_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kosmas12/project_rust on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kosmas12/project_rust 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c993c206ebc332872cd6abe7da2e95341e32aff7f1c5888ff5b7af5cadcccdb
[INFO] running `Command { std: "docker" "start" "-a" "6c993c206ebc332872cd6abe7da2e95341e32aff7f1c5888ff5b7af5cadcccdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c993c206ebc332872cd6abe7da2e95341e32aff7f1c5888ff5b7af5cadcccdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c993c206ebc332872cd6abe7da2e95341e32aff7f1c5888ff5b7af5cadcccdb", kill_on_drop: false }`
[INFO] [stdout] 6c993c206ebc332872cd6abe7da2e95341e32aff7f1c5888ff5b7af5cadcccdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b5193a328f08c3001efb19cc108c11175a6557f1a13be1e550c037b4061c93a
[INFO] running `Command { std: "docker" "start" "-a" "0b5193a328f08c3001efb19cc108c11175a6557f1a13be1e550c037b4061c93a", kill_on_drop: false }`
[INFO] [stderr]    Compiling project_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]   --> src/save_files.rs:23:28
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::fs::{OpenOptions, File};
[INFO] [stdout]    |                            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead` and `self`
[INFO] [stdout]   --> src/save_files.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::io::{self, Write, BufRead};
[INFO] [stdout]    |               ^^^^         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]   --> src/save_files.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::process::exit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/save_files.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::io::{self, Write, BufRead};
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `save_file`
[INFO] [stdout]   --> src/save_files.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn save(save_file: String, level: i32) {
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_save_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]   --> src/save_files.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn save(save_file: String, level: i32) {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save` is never used
[INFO] [stdout]   --> src/save_files.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn save(save_file: String, level: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ask_for_savefile` is never used
[INFO] [stdout]   --> src/save_files.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn ask_for_savefile() -> OsString {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/save_files.rs:70:39
[INFO] [stdout]    |
[INFO] [stdout] 70 |         if save_choice < num_files && save_choice >= 0 {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "0b5193a328f08c3001efb19cc108c11175a6557f1a13be1e550c037b4061c93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5193a328f08c3001efb19cc108c11175a6557f1a13be1e550c037b4061c93a", kill_on_drop: false }`
[INFO] [stdout] 0b5193a328f08c3001efb19cc108c11175a6557f1a13be1e550c037b4061c93a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd82ecd74d4183ee9322af4a3b053644cef369edf078e15341256b36444e51b2
[INFO] running `Command { std: "docker" "start" "-a" "dd82ecd74d4183ee9322af4a3b053644cef369edf078e15341256b36444e51b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling project_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]   --> src/save_files.rs:23:28
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::fs::{OpenOptions, File};
[INFO] [stdout]    |                            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead` and `self`
[INFO] [stdout]   --> src/save_files.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::io::{self, Write, BufRead};
[INFO] [stdout]    |               ^^^^         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]   --> src/save_files.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::process::exit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/save_files.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::io::{self, Write, BufRead};
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `save_file`
[INFO] [stdout]   --> src/save_files.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn save(save_file: String, level: i32) {
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_save_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]   --> src/save_files.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn save(save_file: String, level: i32) {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save` is never used
[INFO] [stdout]   --> src/save_files.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn save(save_file: String, level: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ask_for_savefile` is never used
[INFO] [stdout]   --> src/save_files.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn ask_for_savefile() -> OsString {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/save_files.rs:70:39
[INFO] [stdout]    |
[INFO] [stdout] 70 |         if save_choice < num_files && save_choice >= 0 {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "dd82ecd74d4183ee9322af4a3b053644cef369edf078e15341256b36444e51b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd82ecd74d4183ee9322af4a3b053644cef369edf078e15341256b36444e51b2", kill_on_drop: false }`
[INFO] [stdout] dd82ecd74d4183ee9322af4a3b053644cef369edf078e15341256b36444e51b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f0e6dcbd3553726787df24e2811de39553b28ade0862a36471a2956d626ac5f
[INFO] running `Command { std: "docker" "start" "-a" "2f0e6dcbd3553726787df24e2811de39553b28ade0862a36471a2956d626ac5f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]   --> src/save_files.rs:23:28
[INFO] [stderr]    |
[INFO] [stderr] 23 | use std::fs::{OpenOptions, File};
[INFO] [stderr]    |                            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead` and `self`
[INFO] [stderr]   --> src/save_files.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::io::{self, Write, BufRead};
[INFO] [stderr]    |               ^^^^         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]   --> src/save_files.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | use std::process::exit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]   --> src/save_files.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::io::{self, Write, BufRead};
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `save_file`
[INFO] [stderr]   --> src/save_files.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn save(save_file: String, level: i32) {
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_save_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `level`
[INFO] [stderr]   --> src/save_files.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn save(save_file: String, level: i32) {
[INFO] [stderr]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stderr] 
[INFO] [stderr] warning: function `save` is never used
[INFO] [stderr]   --> src/save_files.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn save(save_file: String, level: i32) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `ask_for_savefile` is never used
[INFO] [stderr]   --> src/save_files.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn ask_for_savefile() -> OsString {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/save_files.rs:70:39
[INFO] [stderr]    |
[INFO] [stderr] 70 |         if save_choice < num_files && save_choice >= 0 {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `project_rust` (bin "project_rust" test) generated 9 warnings (run `cargo fix --bin "project_rust" -p project_rust --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/project_rust-35033c6bc37cd45c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f0e6dcbd3553726787df24e2811de39553b28ade0862a36471a2956d626ac5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f0e6dcbd3553726787df24e2811de39553b28ade0862a36471a2956d626ac5f", kill_on_drop: false }`
[INFO] [stdout] 2f0e6dcbd3553726787df24e2811de39553b28ade0862a36471a2956d626ac5f
