[INFO] updating cached repository ajmwagar/tetnus
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ajmwagar/tetnus
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ajmwagar/tetnus" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ajmwagar/tetnus"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ajmwagar/tetnus'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ajmwagar/tetnus" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ajmwagar/tetnus"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ajmwagar/tetnus'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 592676b75f9f01e583d7a7594c9369113d7195de
[INFO] sha for GitHub repo ajmwagar/tetnus: 592676b75f9f01e583d7a7594c9369113d7195de
[INFO] validating manifest of ajmwagar/tetnus 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 ajmwagar/tetnus 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 ajmwagar/tetnus
[INFO] finished frobbing ajmwagar/tetnus
[INFO] frobbed toml for ajmwagar/tetnus written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ajmwagar/tetnus/Cargo.toml
[INFO] started frobbing ajmwagar/tetnus
[INFO] finished frobbing ajmwagar/tetnus
[INFO] frobbed toml for ajmwagar/tetnus written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ajmwagar/tetnus/Cargo.toml
[INFO] crate ajmwagar/tetnus 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ajmwagar/tetnus against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-6/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ajmwagar/tetnus:/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] bbe6160592295f6dd8104597c2ff0d565d1e49bffea385bde03fc64c66f85ff0
[INFO] running `"docker" "start" "-a" "bbe6160592295f6dd8104597c2ff0d565d1e49bffea385bde03fc64c66f85ff0"`
[INFO] [stderr] warning: unused manifest key: target.arm-unknown-linux-gnueabihf.linker
[INFO] [stderr] warning: unused manifest key: target.i686-pc-windows-gnu.linker
[INFO] [stderr] warning: unused manifest key: target.x86_64-pc-windows-gnu.linker
[INFO] [stderr]     Checking tetnus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/unix_shell/mod.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{TcpStream, SocketAddr};
[INFO] [stderr]   |                ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/unix_shell/mod.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/unix_shell/mod.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn sh(home: String){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] ...
[INFO] [stderr] 49 |     sh(home);
[INFO] [stderr]    |     -------- recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unconditional_recursion)] on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/unix_shell/mod.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{TcpStream, SocketAddr};
[INFO] [stderr]   |                ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/unix_shell/mod.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/unix_shell/mod.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     socket.connect(&home.parse::<SocketAddr>().unwrap().into());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/unix_shell/mod.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn sh(home: String){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] ...
[INFO] [stderr] 49 |     sh(home);
[INFO] [stderr]    |     -------- recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unconditional_recursion)] on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/unix_shell/mod.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     socket.connect(&home.parse::<SocketAddr>().unwrap().into());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "bbe6160592295f6dd8104597c2ff0d565d1e49bffea385bde03fc64c66f85ff0"`
[INFO] running `"docker" "rm" "-f" "bbe6160592295f6dd8104597c2ff0d565d1e49bffea385bde03fc64c66f85ff0"`
[INFO] [stdout] bbe6160592295f6dd8104597c2ff0d565d1e49bffea385bde03fc64c66f85ff0