[INFO] cloning repository lintanghui/rckit [INFO] running `"git" "clone" "--bare" "git://github.com/lintanghui/rckit.git" "work/cache/sources/gh/lintanghui/rckit"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/lintanghui/rckit'... [INFO] running `"git" "clone" "work/cache/sources/gh/lintanghui/rckit" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lintanghui/rckit"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lintanghui/rckit'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/lintanghui/rckit" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lintanghui/rckit"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lintanghui/rckit'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 75df06e3a65834695b06f784d997e10c9de1b2c3 [INFO] sha for GitHub repo lintanghui/rckit: 75df06e3a65834695b06f784d997e10c9de1b2c3 [INFO] validating manifest of lintanghui/rckit on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of lintanghui/rckit on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-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-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lintanghui/rckit/Cargo.toml [INFO] crate lintanghui/rckit already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] testing lintanghui/rckit against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 3c245c6acbdf622dba72ca0ce38ae19814b7c0a8a656f27d9726b496f38f69f3 [INFO] running `"docker" "start" "-a" "3c245c6acbdf622dba72ca0ce38ae19814b7c0a8a656f27d9726b496f38f69f3"` [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling tokio-io v0.1.10 [INFO] [stderr] Compiling combine v3.6.3 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling tokio-reactor v0.1.7 [INFO] [stderr] Compiling tokio-tcp v0.1.2 [INFO] [stderr] Compiling redis v0.9.1 [INFO] [stderr] Compiling rckit v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | let mut master_count = clap::value_t!(sub_m.value_of("master"), usize).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: #[deny(unused_mut)] implied by #[deny(warnings)] [INFO] [stderr] [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:129:21 [INFO] [stderr] | [INFO] [stderr] 129 | let mut slots = src_node.slots(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:147:21 [INFO] [stderr] | [INFO] [stderr] 147 | let mut dst_node = Node::new(dst.as_bytes()).unwrap(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:149:21 [INFO] [stderr] | [INFO] [stderr] 149 | let mut masters: Vec = dst_node [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/cluster.rs:314:13 [INFO] [stderr] | [INFO] [stderr] 314 | for mut info in infos.into_iter() { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/cluster.rs:368:17 [INFO] [stderr] | [INFO] [stderr] 368 | for mut info in info.lines() { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/cluster.rs:392:29 [INFO] [stderr] | [INFO] [stderr] 392 | let mut scope: Vec<&str> = migrate.split("->-").collect(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/cluster.rs:399:29 [INFO] [stderr] | [INFO] [stderr] 399 | let mut scope: Vec<&str> = migrate.split("-<-").collect(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/cluster.rs:404:29 [INFO] [stderr] | [INFO] [stderr] 404 | let mut scope: Vec<&str> = content.split('-').collect(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/create.rs:160:25 [INFO] [stderr] | [INFO] [stderr] 160 | let mut key = slave.ip.clone() + ":" + &slave.port; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error: aborting due to 10 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `rckit`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "3c245c6acbdf622dba72ca0ce38ae19814b7c0a8a656f27d9726b496f38f69f3"` [INFO] running `"docker" "rm" "-f" "3c245c6acbdf622dba72ca0ce38ae19814b7c0a8a656f27d9726b496f38f69f3"` [INFO] [stdout] 3c245c6acbdf622dba72ca0ce38ae19814b7c0a8a656f27d9726b496f38f69f3