[INFO] fetching crate rckit 0.1.0...
[INFO] extracting crate rckit 0.1.0 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/rckit/0.1.0
[INFO] extracting crate rckit 0.1.0 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/rckit/0.1.0
[INFO] validating manifest of rckit-0.1.0 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rckit-0.1.0 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rckit-0.1.0
[INFO] finished frobbing rckit-0.1.0
[INFO] frobbed toml for rckit-0.1.0 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/rckit/0.1.0/Cargo.toml
[INFO] started frobbing rckit-0.1.0
[INFO] finished frobbing rckit-0.1.0
[INFO] frobbed toml for rckit-0.1.0 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/rckit/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rckit-0.1.0 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-0/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/rckit/0.1.0:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b9a83a71ec5f6efb94812e7aeeef710d028b16528bc6a03629dab5408e1ea575
[INFO] running `"docker" "start" "-a" "b9a83a71ec5f6efb94812e7aeeef710d028b16528bc6a03629dab5408e1ea575"`
[INFO] [stderr]     Checking combine v3.6.7
[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:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     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:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     slave,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Slave`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `redis::Commands`
[INFO] [stderr]  --> src/conn.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use redis::Commands;
[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:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     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:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     slave,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Slave`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `redis::Commands`
[INFO] [stderr]  --> src/conn.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use redis::Commands;
[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: unused variable: `node`
[INFO] [stderr]    --> src/cluster.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |             for node in nodes {
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_node`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `migrate`
[INFO] [stderr]    --> src/cluster.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |                 let migrate = &slots[start..start + count];
[INFO] [stderr]     |                     ^^^^^^^ help: consider prefixing with an underscore: `_migrate`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]    --> src/cluster.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     None,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/cluster.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |             for node in nodes {
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_node`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `migrate`
[INFO] [stderr]    --> src/cluster.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |                 let migrate = &slots[start..start + count];
[INFO] [stderr]     |                     ^^^^^^^ help: consider prefixing with an underscore: `_migrate`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]    --> src/cluster.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     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 24.57s
[INFO] running `"docker" "inspect" "b9a83a71ec5f6efb94812e7aeeef710d028b16528bc6a03629dab5408e1ea575"`
[INFO] running `"docker" "rm" "-f" "b9a83a71ec5f6efb94812e7aeeef710d028b16528bc6a03629dab5408e1ea575"`
[INFO] [stdout] b9a83a71ec5f6efb94812e7aeeef710d028b16528bc6a03629dab5408e1ea575