[INFO] updating cached repository Zanadar/carapice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Zanadar/carapice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Zanadar/carapice" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/Zanadar/carapice"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/Zanadar/carapice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Zanadar/carapice" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/Zanadar/carapice"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/Zanadar/carapice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db1de46619926a59e0480be640fd6a46209b0c80
[INFO] sha for GitHub repo Zanadar/carapice: db1de46619926a59e0480be640fd6a46209b0c80
[INFO] validating manifest of Zanadar/carapice on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Zanadar/carapice on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Zanadar/carapice
[INFO] finished frobbing Zanadar/carapice
[INFO] frobbed toml for Zanadar/carapice written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/Zanadar/carapice/Cargo.toml
[INFO] started frobbing Zanadar/carapice
[INFO] finished frobbing Zanadar/carapice
[INFO] frobbed toml for Zanadar/carapice written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/Zanadar/carapice/Cargo.toml
[INFO] crate Zanadar/carapice already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Zanadar/carapice against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-5/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/Zanadar/carapice:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3e4316ec9587836e38a3fab0b7fe62ae26e1f9a0ea5b8dd9720dcb83925d7a69
[INFO] running `"docker" "start" "-a" "3e4316ec9587836e38a3fab0b7fe62ae26e1f9a0ea5b8dd9720dcb83925d7a69"`
[INFO] [stderr]     Checking memchr v2.1.0
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]     Checking carapice v0.1.0 (/opt/crater/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: 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] 54 |     Ok(())
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     Ok(())
[INFO] [stderr]    |     ^^^^^^
[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 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: 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: 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 4.54s
[INFO] running `"docker" "inspect" "3e4316ec9587836e38a3fab0b7fe62ae26e1f9a0ea5b8dd9720dcb83925d7a69"`
[INFO] running `"docker" "rm" "-f" "3e4316ec9587836e38a3fab0b7fe62ae26e1f9a0ea5b8dd9720dcb83925d7a69"`
[INFO] [stdout] 3e4316ec9587836e38a3fab0b7fe62ae26e1f9a0ea5b8dd9720dcb83925d7a69