[INFO] updating cached repository lintanghui/rckit
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lintanghui/rckit
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lintanghui/rckit" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/lintanghui/rckit"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/lintanghui/rckit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lintanghui/rckit" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/lintanghui/rckit"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/lintanghui/rckit'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f89837ec8cdfdcd7ca0eae8e2a80582972be203
[INFO] sha for GitHub repo lintanghui/rckit: 5f89837ec8cdfdcd7ca0eae8e2a80582972be203
[INFO] validating manifest of lintanghui/rckit on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lintanghui/rckit on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lintanghui/rckit
[INFO] finished frobbing lintanghui/rckit
[INFO] frobbed toml for lintanghui/rckit written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/lintanghui/rckit/Cargo.toml
[INFO] started frobbing lintanghui/rckit
[INFO] finished frobbing lintanghui/rckit
[INFO] frobbed toml for lintanghui/rckit written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/lintanghui/rckit/Cargo.toml
[INFO] crate lintanghui/rckit has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lintanghui/rckit against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-7/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/lintanghui/rckit:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9405c7c2f2376e547fa316d6ca3cf4eba3d9c9c1d446c034f755d2c37a5cb6cf
[INFO] running `"docker" "start" "-a" "9405c7c2f2376e547fa316d6ca3cf4eba3d9c9c1d446c034f755d2c37a5cb6cf"`
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking memchr v2.1.1
[INFO] [stderr]     Checking combine v3.6.3
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking redis v0.9.1
[INFO] [stderr]     Checking rckit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant `master` should have an upper camel case name
[INFO] [stderr]   --> src/cluster.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     master,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Master`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `slave` should have an upper camel case name
[INFO] [stderr]   --> src/cluster.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     slave,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Slave`
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/conn.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Role`
[INFO] [stderr]  --> src/create.rs:1:37
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cluster::{Cluster, Error, Node, Role};
[INFO] [stderr]   |                                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `master` should have an upper camel case name
[INFO] [stderr]   --> src/cluster.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     master,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Master`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `slave` should have an upper camel case name
[INFO] [stderr]   --> src/cluster.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     slave,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Slave`
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/conn.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Role`
[INFO] [stderr]  --> src/create.rs:1:37
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cluster::{Cluster, Error, Node, Role};
[INFO] [stderr]   |                                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]    --> src/cluster.rs:299:5
[INFO] [stderr]     |
[INFO] [stderr] 299 |     None,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]    --> src/cluster.rs:299:5
[INFO] [stderr]     |
[INFO] [stderr] 299 |     None,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.01s
[INFO] running `"docker" "inspect" "9405c7c2f2376e547fa316d6ca3cf4eba3d9c9c1d446c034f755d2c37a5cb6cf"`
[INFO] running `"docker" "rm" "-f" "9405c7c2f2376e547fa316d6ca3cf4eba3d9c9c1d446c034f755d2c37a5cb6cf"`
[INFO] [stdout] 9405c7c2f2376e547fa316d6ca3cf4eba3d9c9c1d446c034f755d2c37a5cb6cf