[INFO] updating cached repository jvff/rust-things-gateway-adapter-ipc-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jvff/rust-things-gateway-adapter-ipc-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jvff/rust-things-gateway-adapter-ipc-test" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jvff/rust-things-gateway-adapter-ipc-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jvff/rust-things-gateway-adapter-ipc-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jvff/rust-things-gateway-adapter-ipc-test" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jvff/rust-things-gateway-adapter-ipc-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jvff/rust-things-gateway-adapter-ipc-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7d6fb20e3ed86389e381f7cffe0cea38819c35f
[INFO] sha for GitHub repo jvff/rust-things-gateway-adapter-ipc-test: a7d6fb20e3ed86389e381f7cffe0cea38819c35f
[INFO] validating manifest of jvff/rust-things-gateway-adapter-ipc-test on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jvff/rust-things-gateway-adapter-ipc-test on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jvff/rust-things-gateway-adapter-ipc-test
[INFO] finished frobbing jvff/rust-things-gateway-adapter-ipc-test
[INFO] frobbed toml for jvff/rust-things-gateway-adapter-ipc-test written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jvff/rust-things-gateway-adapter-ipc-test/Cargo.toml
[INFO] started frobbing jvff/rust-things-gateway-adapter-ipc-test
[INFO] finished frobbing jvff/rust-things-gateway-adapter-ipc-test
[INFO] frobbed toml for jvff/rust-things-gateway-adapter-ipc-test written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jvff/rust-things-gateway-adapter-ipc-test/Cargo.toml
[INFO] crate jvff/rust-things-gateway-adapter-ipc-test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jvff/rust-things-gateway-adapter-ipc-test against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-3/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jvff/rust-things-gateway-adapter-ipc-test:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cc1ce9aa79acdd9559b42adc4422ddfb61b7fb15bb864e5c10b318760fa4d2d9
[INFO] running `"docker" "start" "-a" "cc1ce9aa79acdd9559b42adc4422ddfb61b7fb15bb864e5c10b318760fa4d2d9"`
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling nanomsg-sys v0.7.2
[INFO] [stderr]     Checking nanomsg v0.7.2
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking rust-gateway v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     endpoint.shutdown();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     endpoint.shutdown();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     endpoint.shutdown();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     endpoint.shutdown();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `endpoint`
[INFO] [stderr]    --> src/main.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let mut endpoint = socket
[INFO] [stderr]     |             ^^^^^^^^ help: consider prefixing with an underscore: `_endpoint`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `endpoint`
[INFO] [stderr]    --> src/main.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |     let mut endpoint = socket
[INFO] [stderr]     |             ^^^^^^^^ help: consider prefixing with an underscore: `_endpoint`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `endpoint`
[INFO] [stderr]    --> src/main.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let mut endpoint = socket
[INFO] [stderr]     |             ^^^^^^^^ help: consider prefixing with an underscore: `_endpoint`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `endpoint`
[INFO] [stderr]    --> src/main.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |     let mut endpoint = socket
[INFO] [stderr]     |             ^^^^^^^^ help: consider prefixing with an underscore: `_endpoint`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let mut endpoint = socket
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |     let mut endpoint = socket
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         socket.write_all(reply_message.as_bytes());
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     endpoint.shutdown();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     endpoint.shutdown();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let mut endpoint = socket
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |     let mut endpoint = socket
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         socket.write_all(reply_message.as_bytes());
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     endpoint.shutdown();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     endpoint.shutdown();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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 15.65s
[INFO] running `"docker" "inspect" "cc1ce9aa79acdd9559b42adc4422ddfb61b7fb15bb864e5c10b318760fa4d2d9"`
[INFO] running `"docker" "rm" "-f" "cc1ce9aa79acdd9559b42adc4422ddfb61b7fb15bb864e5c10b318760fa4d2d9"`
[INFO] [stdout] cc1ce9aa79acdd9559b42adc4422ddfb61b7fb15bb864e5c10b318760fa4d2d9