[INFO] updating cached repository paulodiniz/socket_example_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/paulodiniz/socket_example_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/paulodiniz/socket_example_rust" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/paulodiniz/socket_example_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/paulodiniz/socket_example_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/paulodiniz/socket_example_rust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/paulodiniz/socket_example_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/paulodiniz/socket_example_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 158c17288eb9f2fe1196712b5c9825f21c1cac7b
[INFO] sha for GitHub repo paulodiniz/socket_example_rust: 158c17288eb9f2fe1196712b5c9825f21c1cac7b
[INFO] validating manifest of paulodiniz/socket_example_rust on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of paulodiniz/socket_example_rust on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing paulodiniz/socket_example_rust
[INFO] finished frobbing paulodiniz/socket_example_rust
[INFO] frobbed toml for paulodiniz/socket_example_rust written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/paulodiniz/socket_example_rust/Cargo.toml
[INFO] started frobbing paulodiniz/socket_example_rust
[INFO] finished frobbing paulodiniz/socket_example_rust
[INFO] frobbed toml for paulodiniz/socket_example_rust written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/paulodiniz/socket_example_rust/Cargo.toml
[INFO] crate paulodiniz/socket_example_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking paulodiniz/socket_example_rust against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/paulodiniz/socket_example_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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7b2228b7f2ced80fb9d588a4faf3b059d62d38ea25fb8913c9c0ac7269b88f14
[INFO] running `"docker" "start" "-a" "7b2228b7f2ced80fb9d588a4faf3b059d62d38ea25fb8913c9c0ac7269b88f14"`
[INFO] [stderr]     Checking sock_client v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `net` in `io`
[INFO] [stderr]  --> src/main.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::net::tcp::TcpStream;
[INFO] [stderr]   |              ^^^ could not find `net` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `TcpStream`
[INFO] [stderr]  --> src/main.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 |   let mut socket = TcpStream::connect("127.0.0.1:2000").unwrap();
[INFO] [stderr]   |                    ^^^^^^^^^ use of undeclared type or module `TcpStream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::net::tcp::TcpStream`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::net::tcp::TcpStream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `sock_client`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: could not find `net` in `io`
[INFO] [stderr]  --> src/main.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::net::tcp::TcpStream;
[INFO] [stderr]   |              ^^^ could not find `net` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `TcpStream`
[INFO] [stderr]  --> src/main.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 |   let mut socket = TcpStream::connect("127.0.0.1:2000").unwrap();
[INFO] [stderr]   |                    ^^^^^^^^^ use of undeclared type or module `TcpStream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::net::tcp::TcpStream`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::net::tcp::TcpStream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `sock_client`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7b2228b7f2ced80fb9d588a4faf3b059d62d38ea25fb8913c9c0ac7269b88f14"`
[INFO] running `"docker" "rm" "-f" "7b2228b7f2ced80fb9d588a4faf3b059d62d38ea25fb8913c9c0ac7269b88f14"`
[INFO] [stdout] 7b2228b7f2ced80fb9d588a4faf3b059d62d38ea25fb8913c9c0ac7269b88f14