[INFO] cloning repository https://github.com/lintanghui/rckit [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lintanghui/rckit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flintanghui%2Frckit", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flintanghui%2Frckit'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 75df06e3a65834695b06f784d997e10c9de1b2c3 [INFO] checking lintanghui/rckit against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flintanghui%2Frckit" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lintanghui/rckit on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lintanghui/rckit [INFO] finished tweaking git repo https://github.com/lintanghui/rckit [INFO] tweaked toml for git repo https://github.com/lintanghui/rckit written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/lintanghui/rckit already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smallvec v0.6.6 [INFO] [stderr] Downloaded crossbeam-utils v0.6.1 [INFO] [stderr] Downloaded lazycell v1.2.0 [INFO] [stderr] Downloaded redis v0.9.1 [INFO] [stderr] Downloaded ascii v0.9.1 [INFO] [stderr] Downloaded libc v0.2.44 [INFO] [stderr] Downloaded redox_syscall v0.1.43 [INFO] [stderr] Downloaded combine v3.6.3 [INFO] [stderr] Downloaded memchr v2.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b7ab44609ee09464c5ec3fcbf42893b8400415eec0db800cd845412d245ca890 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b7ab44609ee09464c5ec3fcbf42893b8400415eec0db800cd845412d245ca890", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7ab44609ee09464c5ec3fcbf42893b8400415eec0db800cd845412d245ca890", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7ab44609ee09464c5ec3fcbf42893b8400415eec0db800cd845412d245ca890", kill_on_drop: false }` [INFO] [stdout] b7ab44609ee09464c5ec3fcbf42893b8400415eec0db800cd845412d245ca890 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] acb1ceedda5bb60a6785a416d9618e682fc1b2b7d6929808486c49aceaa41593 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "acb1ceedda5bb60a6785a416d9618e682fc1b2b7d6929808486c49aceaa41593", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking lazycell v1.2.0 [INFO] [stderr] Checking unicode-normalization v0.1.7 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking ascii v0.9.1 [INFO] [stderr] Compiling redis v0.9.1 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.1 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking smallvec v0.6.6 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking combine v3.6.3 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking rckit v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut master_count = clap::value_t!(sub_m.value_of("master"), usize).unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:129:21 [INFO] [stdout] | [INFO] [stdout] 129 | let mut slots = src_node.slots(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:147:21 [INFO] [stdout] | [INFO] [stdout] 147 | let mut dst_node = Node::new(dst.as_bytes()).unwrap(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:149:21 [INFO] [stdout] | [INFO] [stdout] 149 | let mut masters: Vec = dst_node [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut master_count = clap::value_t!(sub_m.value_of("master"), usize).unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:129:21 [INFO] [stdout] | [INFO] [stdout] 129 | let mut slots = src_node.slots(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:147:21 [INFO] [stdout] | [INFO] [stdout] 147 | let mut dst_node = Node::new(dst.as_bytes()).unwrap(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:149:21 [INFO] [stdout] | [INFO] [stdout] 149 | let mut masters: Vec = dst_node [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/cluster.rs:314:13 [INFO] [stdout] | [INFO] [stdout] 314 | for mut info in infos.into_iter() { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/cluster.rs:368:17 [INFO] [stdout] | [INFO] [stdout] 368 | for mut info in info.lines() { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/cluster.rs:392:29 [INFO] [stdout] | [INFO] [stdout] 392 | let mut scope: Vec<&str> = migrate.split("->-").collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/cluster.rs:399:29 [INFO] [stdout] | [INFO] [stdout] 399 | let mut scope: Vec<&str> = migrate.split("-<-").collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/cluster.rs:404:29 [INFO] [stdout] | [INFO] [stdout] 404 | let mut scope: Vec<&str> = content.split('-').collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/cluster.rs:314:13 [INFO] [stdout] | [INFO] [stdout] 314 | for mut info in infos.into_iter() { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/create.rs:160:25 [INFO] [stdout] | [INFO] [stdout] 160 | let mut key = slave.ip.clone() + ":" + &slave.port; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/cluster.rs:368:17 [INFO] [stdout] | [INFO] [stdout] 368 | for mut info in info.lines() { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/cluster.rs:392:29 [INFO] [stdout] | [INFO] [stdout] 392 | let mut scope: Vec<&str> = migrate.split("->-").collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/cluster.rs:399:29 [INFO] [stdout] | [INFO] [stdout] 399 | let mut scope: Vec<&str> = migrate.split("-<-").collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/cluster.rs:404:29 [INFO] [stdout] | [INFO] [stdout] 404 | let mut scope: Vec<&str> = content.split('-').collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 10 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rckit` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/create.rs:160:25 [INFO] [stdout] | [INFO] [stdout] 160 | let mut key = slave.ip.clone() + ":" + &slave.port; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 10 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "acb1ceedda5bb60a6785a416d9618e682fc1b2b7d6929808486c49aceaa41593", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acb1ceedda5bb60a6785a416d9618e682fc1b2b7d6929808486c49aceaa41593", kill_on_drop: false }` [INFO] [stdout] acb1ceedda5bb60a6785a416d9618e682fc1b2b7d6929808486c49aceaa41593