[INFO] updating cached repository https://github.com/valarauca/syslogsrvr
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4522a81a817e0a570223779c1ebbd3b9ee30723e
[INFO] checking valarauca/syslogsrvr against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalarauca%2Fsyslogsrvr" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/valarauca/syslogsrvr on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/valarauca/syslogsrvr
[INFO] finished tweaking git repo https://github.com/valarauca/syslogsrvr
[INFO] tweaked toml for git repo https://github.com/valarauca/syslogsrvr written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/valarauca/syslogsrvr already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3f474a75e5f977d2c6adcfab47d8c6d61d578531c9ca5f14f84d00cd2f94d53e
[INFO] running `"docker" "start" "-a" "3f474a75e5f977d2c6adcfab47d8c6d61d578531c9ca5f14f84d00cd2f94d53e"`
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking mio v0.6.13
[INFO] [stderr]     Checking tokio-io v0.1.5
[INFO] [stderr]     Checking clap v2.31.1
[INFO] [stderr]     Checking tokio-core v0.1.12
[INFO] [stderr]     Checking syslogsrvr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `futures::future::lazy`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use futures::future::lazy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsyncWrite`
[INFO] [stderr]   --> src/main.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 | use tokio_io::{AsyncRead,AsyncWrite};
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsyncRead`
[INFO] [stderr]   --> src/main.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 | use tokio_io::{AsyncRead,AsyncWrite};
[INFO] [stderr]    |                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handle1`
[INFO] [stderr]   --> src/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let handle1 = core.handle();
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_handle1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]    --> src/main.rs:122:26
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn encode(&mut self, msg: (), buf: &mut Vec<u8>) -> SocketAddr {
[INFO] [stderr]     |                          ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/main.rs:122:35
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn encode(&mut self, msg: (), buf: &mut Vec<u8>) -> SocketAddr {
[INFO] [stderr]     |                                   ^^^ help: consider prefixing with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::future::lazy`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use futures::future::lazy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsyncWrite`
[INFO] [stderr]   --> src/main.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 | use tokio_io::{AsyncRead,AsyncWrite};
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsyncRead`
[INFO] [stderr]   --> src/main.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 | use tokio_io::{AsyncRead,AsyncWrite};
[INFO] [stderr]    |                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handle1`
[INFO] [stderr]   --> src/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let handle1 = core.handle();
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_handle1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]    --> src/main.rs:122:26
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn encode(&mut self, msg: (), buf: &mut Vec<u8>) -> SocketAddr {
[INFO] [stderr]     |                          ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/main.rs:122:35
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn encode(&mut self, msg: (), buf: &mut Vec<u8>) -> SocketAddr {
[INFO] [stderr]     |                                   ^^^ help: consider prefixing with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `"docker" "inspect" "3f474a75e5f977d2c6adcfab47d8c6d61d578531c9ca5f14f84d00cd2f94d53e"`
[INFO] running `"docker" "rm" "-f" "3f474a75e5f977d2c6adcfab47d8c6d61d578531c9ca5f14f84d00cd2f94d53e"`
[INFO] [stdout] 3f474a75e5f977d2c6adcfab47d8c6d61d578531c9ca5f14f84d00cd2f94d53e