Dec 19 11:05:27.912 INFO checking peterdelevoryas/io-state-machine-prototype4 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 11:05:27.913 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/peterdelevoryas/io-state-machine-prototype4:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 11:05:28.475 INFO [stdout] c3c82ec2c1335845ce7516db323daf20d8da22b53fae5c8ee093a86fbce09067
Dec 19 11:05:28.477 INFO running `"docker" "start" "-a" "c3c82ec2c1335845ce7516db323daf20d8da22b53fae5c8ee093a86fbce09067"`
Dec 19 11:05:30.480 INFO [stderr]     Checking mio v0.6.2
Dec 19 11:05:31.588 INFO [stderr]     Checking io-state-machine-prototype4 v0.1.0 (/opt/crater/workdir)
Dec 19 11:05:31.896 INFO [stderr] warning: unreachable expression
Dec 19 11:05:31.896 INFO [stderr]    --> src/main.rs:187:5
Dec 19 11:05:31.896 INFO [stderr]     |
Dec 19 11:05:31.896 INFO [stderr] 187 |     return Ok(())
Dec 19 11:05:31.896 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 19 11:05:31.896 INFO [stderr]     |
Dec 19 11:05:31.896 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 19 11:05:31.896 INFO [stderr] 
Dec 19 11:05:31.905 INFO [stderr] warning: unused variable: `i`
Dec 19 11:05:31.905 INFO [stderr]    --> src/main.rs:140:47
Dec 19 11:05:31.905 INFO [stderr]     |
Dec 19 11:05:31.905 INFO [stderr] 140 |                 Task::Conn { conn_slab_index: i } => {
Dec 19 11:05:31.905 INFO [stderr]     |                                               ^ help: consider using `_i` instead
Dec 19 11:05:31.905 INFO [stderr]     |
Dec 19 11:05:31.905 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 11:05:31.905 INFO [stderr] 
Dec 19 11:05:31.905 INFO [stderr] warning: unused variable: `result`
Dec 19 11:05:31.905 INFO [stderr]    --> src/main.rs:148:34
Dec 19 11:05:31.905 INFO [stderr]     |
Dec 19 11:05:31.905 INFO [stderr] 148 |                 TaskStatus::Done(result) => {
Dec 19 11:05:31.905 INFO [stderr]     |                                  ^^^^^^ help: consider using `_result` instead
Dec 19 11:05:31.905 INFO [stderr] 
Dec 19 11:05:31.905 INFO [stderr] warning: unused variable: `i`
Dec 19 11:05:31.905 INFO [stderr]    --> src/main.rs:167:47
Dec 19 11:05:31.905 INFO [stderr]     |
Dec 19 11:05:31.905 INFO [stderr] 167 |                 Task::Conn { conn_slab_index: i } => {
Dec 19 11:05:31.905 INFO [stderr]     |                                               ^ help: consider using `_i` instead
Dec 19 11:05:31.905 INFO [stderr] 
Dec 19 11:05:31.905 INFO [stderr] warning: unused variable: `result`
Dec 19 11:05:31.905 INFO [stderr]    --> src/main.rs:175:34
Dec 19 11:05:31.905 INFO [stderr]     |
Dec 19 11:05:31.905 INFO [stderr] 175 |                 TaskStatus::Done(result) => {
Dec 19 11:05:31.905 INFO [stderr]     |                                  ^^^^^^ help: consider using `_result` instead
Dec 19 11:05:31.905 INFO [stderr] 
Dec 19 11:05:31.905 INFO [stderr] warning: unused variable: `ready`
Dec 19 11:05:31.905 INFO [stderr]   --> src/main.rs:23:12
Dec 19 11:05:31.905 INFO [stderr]    |
Dec 19 11:05:31.905 INFO [stderr] 23 |            ready: mio::Ready,
Dec 19 11:05:31.905 INFO [stderr]    |            ^^^^^ help: consider using `_ready` instead
Dec 19 11:05:31.905 INFO [stderr] 
Dec 19 11:05:31.912 INFO [stderr] warning: unreachable expression
Dec 19 11:05:31.912 INFO [stderr]    --> src/main.rs:187:5
Dec 19 11:05:31.912 INFO [stderr]     |
Dec 19 11:05:31.912 INFO [stderr] 187 |     return Ok(())
Dec 19 11:05:31.912 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 19 11:05:31.912 INFO [stderr]     |
Dec 19 11:05:31.912 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 19 11:05:31.912 INFO [stderr] 
Dec 19 11:05:31.944 INFO [stderr] warning: unused variable: `i`
Dec 19 11:05:31.944 INFO [stderr]    --> src/main.rs:140:47
Dec 19 11:05:31.944 INFO [stderr]     |
Dec 19 11:05:31.944 INFO [stderr] 140 |                 Task::Conn { conn_slab_index: i } => {
Dec 19 11:05:31.944 INFO [stderr]     |                                               ^ help: consider using `_i` instead
Dec 19 11:05:31.944 INFO [stderr]     |
Dec 19 11:05:31.944 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 11:05:31.944 INFO [stderr] 
Dec 19 11:05:31.944 INFO [stderr] warning: unused variable: `result`
Dec 19 11:05:31.944 INFO [stderr]    --> src/main.rs:148:34
Dec 19 11:05:31.944 INFO [stderr]     |
Dec 19 11:05:31.944 INFO [stderr] 148 |                 TaskStatus::Done(result) => {
Dec 19 11:05:31.944 INFO [stderr]     |                                  ^^^^^^ help: consider using `_result` instead
Dec 19 11:05:31.944 INFO [stderr] 
Dec 19 11:05:31.944 INFO [stderr] warning: unused variable: `i`
Dec 19 11:05:31.944 INFO [stderr]    --> src/main.rs:167:47
Dec 19 11:05:31.945 INFO [stderr]     |
Dec 19 11:05:31.945 INFO [stderr] 167 |                 Task::Conn { conn_slab_index: i } => {
Dec 19 11:05:31.945 INFO [stderr]     |                                               ^ help: consider using `_i` instead
Dec 19 11:05:31.945 INFO [stderr] 
Dec 19 11:05:31.945 INFO [stderr] warning: unused variable: `result`
Dec 19 11:05:31.945 INFO [stderr]    --> src/main.rs:175:34
Dec 19 11:05:31.945 INFO [stderr]     |
Dec 19 11:05:31.945 INFO [stderr] 175 |                 TaskStatus::Done(result) => {
Dec 19 11:05:31.945 INFO [stderr]     |                                  ^^^^^^ help: consider using `_result` instead
Dec 19 11:05:31.945 INFO [stderr] 
Dec 19 11:05:31.945 INFO [stderr] warning: unused variable: `ready`
Dec 19 11:05:31.945 INFO [stderr]   --> src/main.rs:23:12
Dec 19 11:05:31.945 INFO [stderr]    |
Dec 19 11:05:31.945 INFO [stderr] 23 |            ready: mio::Ready,
Dec 19 11:05:31.945 INFO [stderr]    |            ^^^^^ help: consider using `_ready` instead
Dec 19 11:05:31.945 INFO [stderr] 
Dec 19 11:05:31.945 INFO [stderr] warning: variant is never constructed: `KineticRequest`
Dec 19 11:05:31.945 INFO [stderr]    --> src/main.rs:108:5
Dec 19 11:05:31.945 INFO [stderr]     |
Dec 19 11:05:31.945 INFO [stderr] 108 |     KineticRequest,
Dec 19 11:05:31.945 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 19 11:05:31.945 INFO [stderr]     |
Dec 19 11:05:31.945 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 11:05:31.945 INFO [stderr] 
Dec 19 11:05:31.980 INFO [stderr] warning: variant is never constructed: `KineticRequest`
Dec 19 11:05:31.980 INFO [stderr]    --> src/main.rs:108:5
Dec 19 11:05:31.980 INFO [stderr]     |
Dec 19 11:05:31.980 INFO [stderr] 108 |     KineticRequest,
Dec 19 11:05:31.980 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 19 11:05:31.980 INFO [stderr]     |
Dec 19 11:05:31.980 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 11:05:31.980 INFO [stderr] 
Dec 19 11:05:32.025 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
Dec 19 11:05:32.728 INFO running `"docker" "inspect" "c3c82ec2c1335845ce7516db323daf20d8da22b53fae5c8ee093a86fbce09067"`
Dec 19 11:05:32.991 INFO running `"docker" "rm" "-f" "c3c82ec2c1335845ce7516db323daf20d8da22b53fae5c8ee093a86fbce09067"`
Dec 19 11:05:33.172 INFO [stdout] c3c82ec2c1335845ce7516db323daf20d8da22b53fae5c8ee093a86fbce09067