[INFO] updating cached repository ElPicador/testing-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ElPicador/testing-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ElPicador/testing-rust" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ElPicador/testing-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ElPicador/testing-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ElPicador/testing-rust" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ElPicador/testing-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ElPicador/testing-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cde9f6634ffa789896730ad0c781414dee67fec0
[INFO] sha for GitHub repo ElPicador/testing-rust: cde9f6634ffa789896730ad0c781414dee67fec0
[INFO] validating manifest of ElPicador/testing-rust on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ElPicador/testing-rust on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ElPicador/testing-rust
[INFO] finished frobbing ElPicador/testing-rust
[INFO] frobbed toml for ElPicador/testing-rust written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ElPicador/testing-rust/Cargo.toml
[INFO] started frobbing ElPicador/testing-rust
[INFO] finished frobbing ElPicador/testing-rust
[INFO] frobbed toml for ElPicador/testing-rust written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ElPicador/testing-rust/Cargo.toml
[INFO] crate ElPicador/testing-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ElPicador/testing-rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ElPicador/testing-rust against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-3/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ElPicador/testing-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 296fe6a4ec3237ca6c6e5f08a8f11e10c7f130802cdb8376affa0eb7507f6a8e
[INFO] running `"docker" "start" "-a" "296fe6a4ec3237ca6c6e5f08a8f11e10c7f130802cdb8376affa0eb7507f6a8e"`
[INFO] [stderr]     Checking test-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::process::exit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]  --> src/main.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::thread::{sleep_ms};
[INFO] [stderr]   |                   ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:40:3
[INFO] [stderr]    |
[INFO] [stderr] 40 |   sleep_ms(1000);
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:69:3
[INFO] [stderr]    |
[INFO] [stderr] 69 |   sleep_ms(20000);
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reader`
[INFO] [stderr]   --> src/main.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let reader = thread::spawn(move || { reader(host_clone) });
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_reader`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/main.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 |     Ok(stream) => println!("Listening to {}", host)
[INFO] [stderr]    |        ^^^^^^ help: consider prefixing with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/main.rs:75:8
[INFO] [stderr]    |
[INFO] [stderr] 75 |     Ok(stream) => println!("Connected to {}", host)
[INFO] [stderr]    |        ^^^^^^ help: consider prefixing with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::process::exit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]  --> src/main.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::thread::{sleep_ms};
[INFO] [stderr]   |                   ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:40:3
[INFO] [stderr]    |
[INFO] [stderr] 40 |   sleep_ms(1000);
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:69:3
[INFO] [stderr]    |
[INFO] [stderr] 69 |   sleep_ms(20000);
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reader`
[INFO] [stderr]   --> src/main.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let reader = thread::spawn(move || { reader(host_clone) });
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_reader`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/main.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 |     Ok(stream) => println!("Listening to {}", host)
[INFO] [stderr]    |        ^^^^^^ help: consider prefixing with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/main.rs:75:8
[INFO] [stderr]    |
[INFO] [stderr] 75 |     Ok(stream) => println!("Connected to {}", host)
[INFO] [stderr]    |        ^^^^^^ help: consider prefixing with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "296fe6a4ec3237ca6c6e5f08a8f11e10c7f130802cdb8376affa0eb7507f6a8e"`
[INFO] running `"docker" "rm" "-f" "296fe6a4ec3237ca6c6e5f08a8f11e10c7f130802cdb8376affa0eb7507f6a8e"`
[INFO] [stdout] 296fe6a4ec3237ca6c6e5f08a8f11e10c7f130802cdb8376affa0eb7507f6a8e