[INFO] cloning repository drouarb/RustEchoSocket
[INFO] running `"git" "clone" "--bare" "git://github.com/drouarb/RustEchoSocket.git" "work/cache/sources/gh/drouarb/RustEchoSocket"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/drouarb/RustEchoSocket'...
[INFO] running `"git" "clone" "work/cache/sources/gh/drouarb/RustEchoSocket" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/drouarb/RustEchoSocket"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/drouarb/RustEchoSocket'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/drouarb/RustEchoSocket" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/drouarb/RustEchoSocket"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/drouarb/RustEchoSocket'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 672fcccab89cb81348ee1ed7a14b737687801cbe
[INFO] sha for GitHub repo drouarb/RustEchoSocket: 672fcccab89cb81348ee1ed7a14b737687801cbe
[INFO] validating manifest of drouarb/RustEchoSocket on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of drouarb/RustEchoSocket on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing drouarb/RustEchoSocket
[INFO] finished frobbing drouarb/RustEchoSocket
[INFO] frobbed toml for drouarb/RustEchoSocket written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/drouarb/RustEchoSocket/Cargo.toml
[INFO] started frobbing drouarb/RustEchoSocket
[INFO] finished frobbing drouarb/RustEchoSocket
[INFO] frobbed toml for drouarb/RustEchoSocket written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/drouarb/RustEchoSocket/Cargo.toml
[INFO] crate drouarb/RustEchoSocket already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking drouarb/RustEchoSocket against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/drouarb/RustEchoSocket:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 331477f0d1549392975642b11ecc8a3446003c5a9e29f8db5fcc8d8f6a5176e0
[INFO] running `"docker" "start" "-a" "331477f0d1549392975642b11ecc8a3446003c5a9e29f8db5fcc8d8f6a5176e0"`
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking Socket v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `tokio_core::reactor::Core`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio_core::reactor::Core;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Socket` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `socket`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio_core::reactor::Core`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio_core::reactor::Core;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Socket` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `socket`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `"docker" "inspect" "331477f0d1549392975642b11ecc8a3446003c5a9e29f8db5fcc8d8f6a5176e0"`
[INFO] running `"docker" "rm" "-f" "331477f0d1549392975642b11ecc8a3446003c5a9e29f8db5fcc8d8f6a5176e0"`
[INFO] [stdout] 331477f0d1549392975642b11ecc8a3446003c5a9e29f8db5fcc8d8f6a5176e0