[INFO] cloning repository https://github.com/Zanadar/carapice
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zanadar/carapice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZanadar%2Fcarapice"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZanadar%2Fcarapice'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db1de46619926a59e0480be640fd6a46209b0c80
[INFO] checking Zanadar/carapice against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZanadar%2Fcarapice" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zanadar/carapice on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Zanadar/carapice
[INFO] finished tweaking git repo https://github.com/Zanadar/carapice
[INFO] tweaked toml for git repo https://github.com/Zanadar/carapice written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Zanadar/carapice already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3700b51736c45f24a3cfec728ec77f88cdf3f3babed5ea4fc48594549f008761
[INFO] running `"docker" "start" "-a" "3700b51736c45f24a3cfec728ec77f88cdf3f3babed5ea4fc48594549f008761"`
[INFO] [stderr]     Checking carapice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `regex::Regex`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use regex::Regex;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     loop {
[INFO] [stderr] 13 | |         io::stdout().write_all(b"> ")?;
[INFO] [stderr] 14 | |         io::stdout().flush()?;
[INFO] [stderr] 15 | |         // read line from standard input
[INFO] [stderr] ...  |
[INFO] [stderr] 51 | |         }
[INFO] [stderr] 52 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 53 | 
[INFO] [stderr] 54 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/main.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stdin`
[INFO] [stderr]   --> src/main.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn new(stdin: String) -> Cmd {
[INFO] [stderr]    |            ^^^^^ help: consider prefixing with an underscore: `_stdin`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cmd`
[INFO] [stderr]   --> src/main.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | struct Cmd {}
[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/main.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn new(stdin: String) -> Cmd {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Token`
[INFO] [stderr]   --> src/main.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | enum Token {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `regex::Regex`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use regex::Regex;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     loop {
[INFO] [stderr] 13 | |         io::stdout().write_all(b"> ")?;
[INFO] [stderr] 14 | |         io::stdout().flush()?;
[INFO] [stderr] 15 | |         // read line from standard input
[INFO] [stderr] ...  |
[INFO] [stderr] 51 | |         }
[INFO] [stderr] 52 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 53 | 
[INFO] [stderr] 54 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/main.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stdin`
[INFO] [stderr]   --> src/main.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn new(stdin: String) -> Cmd {
[INFO] [stderr]    |            ^^^^^ help: consider prefixing with an underscore: `_stdin`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cmd`
[INFO] [stderr]   --> src/main.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | struct Cmd {}
[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/main.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn new(stdin: String) -> Cmd {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Token`
[INFO] [stderr]   --> src/main.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | enum Token {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "3700b51736c45f24a3cfec728ec77f88cdf3f3babed5ea4fc48594549f008761"`
[INFO] running `"docker" "rm" "-f" "3700b51736c45f24a3cfec728ec77f88cdf3f3babed5ea4fc48594549f008761"`
[INFO] [stdout] 3700b51736c45f24a3cfec728ec77f88cdf3f3babed5ea4fc48594549f008761