[INFO] updating cached repository kolgotko/test_jail
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kolgotko/test_jail
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kolgotko/test_jail" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/kolgotko/test_jail"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/kolgotko/test_jail'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kolgotko/test_jail" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/kolgotko/test_jail"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/kolgotko/test_jail'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e50f02d8782bbc8ad920111405e3f430a070f260
[INFO] sha for GitHub repo kolgotko/test_jail: e50f02d8782bbc8ad920111405e3f430a070f260
[INFO] validating manifest of kolgotko/test_jail 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 kolgotko/test_jail 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 kolgotko/test_jail
[INFO] finished frobbing kolgotko/test_jail
[INFO] frobbed toml for kolgotko/test_jail written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/kolgotko/test_jail/Cargo.toml
[INFO] started frobbing kolgotko/test_jail
[INFO] finished frobbing kolgotko/test_jail
[INFO] frobbed toml for kolgotko/test_jail written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/kolgotko/test_jail/Cargo.toml
[INFO] crate kolgotko/test_jail 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 kolgotko/test_jail against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-4/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/kolgotko/test_jail:/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] 293505b261684f46a2fe0b6a8f29042baf2b9109f65068bde13e35148cb5cc26
[INFO] running `"docker" "start" "-a" "293505b261684f46a2fe0b6a8f29042baf2b9109f65068bde13e35148cb5cc26"`
[INFO] [stderr]     Checking test_socket v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `libc::*`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use libc::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `libc::iovec`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use libc::iovec;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `libc::*`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use libc::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `libc::iovec`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use libc::iovec;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `iovec_key`
[INFO] [stderr]   --> src/main.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |             let iovec_key = libc::iovec {
[INFO] [stderr]    |                 ^^^^^^^^^ help: consider prefixing with an underscore: `_iovec_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `iovec`
[INFO] [stderr]   --> src/main.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |                     let iovec = libc::iovec {
[INFO] [stderr]    |                         ^^^^^ help: consider prefixing with an underscore: `_iovec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `iovec`
[INFO] [stderr]   --> src/main.rs:44:25
[INFO] [stderr]    |
[INFO] [stderr] 44 |                     let iovec = libc::iovec {
[INFO] [stderr]    |                         ^^^^^ help: consider prefixing with an underscore: `_iovec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `iovec_key`
[INFO] [stderr]   --> src/main.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |             let iovec_key = libc::iovec {
[INFO] [stderr]    |                 ^^^^^^^^^ help: consider prefixing with an underscore: `_iovec_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `iovec`
[INFO] [stderr]   --> src/main.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |                     let iovec = libc::iovec {
[INFO] [stderr]    |                         ^^^^^ help: consider prefixing with an underscore: `_iovec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `iovec`
[INFO] [stderr]   --> src/main.rs:44:25
[INFO] [stderr]    |
[INFO] [stderr] 44 |                     let iovec = libc::iovec {
[INFO] [stderr]    |                         ^^^^^ help: consider prefixing with an underscore: `_iovec`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "293505b261684f46a2fe0b6a8f29042baf2b9109f65068bde13e35148cb5cc26"`
[INFO] running `"docker" "rm" "-f" "293505b261684f46a2fe0b6a8f29042baf2b9109f65068bde13e35148cb5cc26"`
[INFO] [stdout] 293505b261684f46a2fe0b6a8f29042baf2b9109f65068bde13e35148cb5cc26