[INFO] updating cached repository https://github.com/JanLikar/zeromq_master_failover [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 81c09abfc9d8332f61ed7d71f409f2174cb34d49 [INFO] checking JanLikar/zeromq_master_failover against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJanLikar%2Fzeromq_master_failover" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JanLikar/zeromq_master_failover on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c [INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/JanLikar/zeromq_master_failover [INFO] finished tweaking git repo https://github.com/JanLikar/zeromq_master_failover [INFO] tweaked toml for git repo https://github.com/JanLikar/zeromq_master_failover written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/JanLikar/zeromq_master_failover already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] warning: unused manifest key: bin.0.src [INFO] [stderr] warning: unused manifest key: bin.1.src [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0bb0dfa5af82b49cec0b9376f775b00d4557ed8a29b0c4d4abac41e6b3964453 [INFO] running `"docker" "start" "-a" "0bb0dfa5af82b49cec0b9376f775b00d4557ed8a29b0c4d4abac41e6b3964453"` [INFO] [stderr] warning: unused manifest key: bin.0.src [INFO] [stderr] warning: unused manifest key: bin.1.src [INFO] [stderr] Checking console v0.9.2 [INFO] [stderr] Checking zmq-sys v0.11.0 [INFO] [stderr] Checking zmq v0.9.2 [INFO] [stderr] Checking dialoguer v0.5.0 [INFO] [stderr] Checking zeromq_master_failover v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/bin/client.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `store` [INFO] [stderr] --> src/bin/client.rs:10:10 [INFO] [stderr] | [INFO] [stderr] 10 | let mut store: String = "Initial".to_string(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_store` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/client.rs:10:6 [INFO] [stderr] | [INFO] [stderr] 10 | let mut store: String = "Initial".to_string(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `NOT_MASTER` [INFO] [stderr] --> src/bin/client.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | const NOT_MASTER: u8 = 5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/client.rs:20:2 [INFO] [stderr] | [INFO] [stderr] 20 | socket1.connect(&format!("tcp://localhost:{}", &port1)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/client.rs:25:2 [INFO] [stderr] | [INFO] [stderr] 25 | socket2.connect(&format!("tcp://localhost:{}", &port2)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/bin/client.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `store` [INFO] [stderr] --> src/bin/client.rs:10:10 [INFO] [stderr] | [INFO] [stderr] 10 | let mut store: String = "Initial".to_string(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_store` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/client.rs:10:6 [INFO] [stderr] | [INFO] [stderr] 10 | let mut store: String = "Initial".to_string(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `NOT_MASTER` [INFO] [stderr] --> src/bin/client.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | const NOT_MASTER: u8 = 5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/client.rs:20:2 [INFO] [stderr] | [INFO] [stderr] 20 | socket1.connect(&format!("tcp://localhost:{}", &port1)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/client.rs:25:2 [INFO] [stderr] | [INFO] [stderr] 25 | socket2.connect(&format!("tcp://localhost:{}", &port2)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.77s [INFO] running `"docker" "inspect" "0bb0dfa5af82b49cec0b9376f775b00d4557ed8a29b0c4d4abac41e6b3964453"` [INFO] running `"docker" "rm" "-f" "0bb0dfa5af82b49cec0b9376f775b00d4557ed8a29b0c4d4abac41e6b3964453"` [INFO] [stdout] 0bb0dfa5af82b49cec0b9376f775b00d4557ed8a29b0c4d4abac41e6b3964453