Dec 17 20:42:34.327 INFO checking lintanghui/rckit against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:42:34.327 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:42:34.768 INFO [stdout] 452371d7d2da579a3703174ba051cd5b0662734cc956651d2af44ea4f5aa20c7
Dec 17 20:42:34.774 INFO running `"docker" "start" "-a" "452371d7d2da579a3703174ba051cd5b0662734cc956651d2af44ea4f5aa20c7"`
Dec 17 20:42:36.374 INFO [stderr]    Compiling memchr v2.1.1
Dec 17 20:42:37.788 INFO [stderr]     Checking combine v3.6.3
Dec 17 20:42:56.420 INFO [stderr]     Checking redis v0.9.1
Dec 17 20:43:01.348 INFO [stderr]     Checking rckit v0.1.0 (/opt/crater/workdir)
Dec 17 20:43:02.068 INFO [stderr] warning: unused imports: `thread`, `time`
Dec 17 20:43:02.068 INFO [stderr]  --> src/conn.rs:5:11
Dec 17 20:43:02.068 INFO [stderr]   |
Dec 17 20:43:02.068 INFO [stderr] 5 | use std::{thread, time};
Dec 17 20:43:02.068 INFO [stderr]   |           ^^^^^^  ^^^^
Dec 17 20:43:02.068 INFO [stderr]   |
Dec 17 20:43:02.068 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:43:02.068 INFO [stderr] 
Dec 17 20:43:02.076 INFO [stderr] warning: unused import: `Role`
Dec 17 20:43:02.076 INFO [stderr]  --> src/create.rs:1:37
Dec 17 20:43:02.076 INFO [stderr]   |
Dec 17 20:43:02.076 INFO [stderr] 1 | use cluster::{Cluster, Error, Node, Role};
Dec 17 20:43:02.076 INFO [stderr]   |                                     ^^^^
Dec 17 20:43:02.076 INFO [stderr] 
Dec 17 20:43:02.108 INFO [stderr] warning: unused imports: `thread`, `time`
Dec 17 20:43:02.108 INFO [stderr]  --> src/conn.rs:5:11
Dec 17 20:43:02.108 INFO [stderr]   |
Dec 17 20:43:02.108 INFO [stderr] 5 | use std::{thread, time};
Dec 17 20:43:02.108 INFO [stderr]   |           ^^^^^^  ^^^^
Dec 17 20:43:02.109 INFO [stderr]   |
Dec 17 20:43:02.109 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:43:02.109 INFO [stderr] 
Dec 17 20:43:02.109 INFO [stderr] warning: unused import: `Role`
Dec 17 20:43:02.109 INFO [stderr]  --> src/create.rs:1:37
Dec 17 20:43:02.109 INFO [stderr]   |
Dec 17 20:43:02.109 INFO [stderr] 1 | use cluster::{Cluster, Error, Node, Role};
Dec 17 20:43:02.109 INFO [stderr]   |                                     ^^^^
Dec 17 20:43:02.109 INFO [stderr] 
Dec 17 20:43:02.596 INFO [stderr] warning: variant is never constructed: `None`
Dec 17 20:43:02.596 INFO [stderr]    --> src/cluster.rs:299:5
Dec 17 20:43:02.596 INFO [stderr]     |
Dec 17 20:43:02.596 INFO [stderr] 299 |     None,
Dec 17 20:43:02.596 INFO [stderr]     |     ^^^^
Dec 17 20:43:02.596 INFO [stderr]     |
Dec 17 20:43:02.596 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 20:43:02.596 INFO [stderr] 
Dec 17 20:43:02.596 INFO [stderr] warning: variant `master` should have a camel case name such as `Master`
Dec 17 20:43:02.596 INFO [stderr]   --> src/cluster.rs:27:5
Dec 17 20:43:02.596 INFO [stderr]    |
Dec 17 20:43:02.596 INFO [stderr] 27 |     master,
Dec 17 20:43:02.596 INFO [stderr]    |     ^^^^^^
Dec 17 20:43:02.596 INFO [stderr]    |
Dec 17 20:43:02.597 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 17 20:43:02.597 INFO [stderr] 
Dec 17 20:43:02.597 INFO [stderr] warning: variant `slave` should have a camel case name such as `Slave`
Dec 17 20:43:02.597 INFO [stderr]   --> src/cluster.rs:28:5
Dec 17 20:43:02.597 INFO [stderr]    |
Dec 17 20:43:02.597 INFO [stderr] 28 |     slave,
Dec 17 20:43:02.597 INFO [stderr]    |     ^^^^^
Dec 17 20:43:02.597 INFO [stderr] 
Dec 17 20:43:03.252 INFO [stderr] warning: variant is never constructed: `None`
Dec 17 20:43:03.252 INFO [stderr]    --> src/cluster.rs:299:5
Dec 17 20:43:03.252 INFO [stderr]     |
Dec 17 20:43:03.252 INFO [stderr] 299 |     None,
Dec 17 20:43:03.252 INFO [stderr]     |     ^^^^
Dec 17 20:43:03.252 INFO [stderr]     |
Dec 17 20:43:03.252 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 20:43:03.252 INFO [stderr] 
Dec 17 20:43:03.260 INFO [stderr] warning: variant `master` should have a camel case name such as `Master`
Dec 17 20:43:03.260 INFO [stderr]   --> src/cluster.rs:27:5
Dec 17 20:43:03.260 INFO [stderr]    |
Dec 17 20:43:03.260 INFO [stderr] 27 |     master,
Dec 17 20:43:03.260 INFO [stderr]    |     ^^^^^^
Dec 17 20:43:03.260 INFO [stderr]    |
Dec 17 20:43:03.260 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 17 20:43:03.260 INFO [stderr] 
Dec 17 20:43:03.260 INFO [stderr] warning: variant `slave` should have a camel case name such as `Slave`
Dec 17 20:43:03.260 INFO [stderr]   --> src/cluster.rs:28:5
Dec 17 20:43:03.260 INFO [stderr]    |
Dec 17 20:43:03.260 INFO [stderr] 28 |     slave,
Dec 17 20:43:03.260 INFO [stderr]    |     ^^^^^
Dec 17 20:43:03.260 INFO [stderr] 
Dec 17 20:43:03.712 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.53s
Dec 17 20:43:04.384 INFO running `"docker" "inspect" "452371d7d2da579a3703174ba051cd5b0662734cc956651d2af44ea4f5aa20c7"`
Dec 17 20:43:04.628 INFO running `"docker" "rm" "-f" "452371d7d2da579a3703174ba051cd5b0662734cc956651d2af44ea4f5aa20c7"`
Dec 17 20:43:04.948 INFO [stdout] 452371d7d2da579a3703174ba051cd5b0662734cc956651d2af44ea4f5aa20c7