[INFO] updating cached repository https://github.com/twaters/mq_arbiter [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] 87dbdd56c40c40176561cb80f1109009300ef7dc [INFO] checking twaters/mq_arbiter against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwaters%2Fmq_arbiter" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/twaters/mq_arbiter on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/twaters/mq_arbiter [INFO] finished tweaking git repo https://github.com/twaters/mq_arbiter [INFO] tweaked toml for git repo https://github.com/twaters/mq_arbiter written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/twaters/mq_arbiter already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 088898914fd8e9c022ccea14ef122bcdbd711da5cce3f93870ccd2a20a467c70 [INFO] running `"docker" "start" "-a" "088898914fd8e9c022ccea14ef122bcdbd711da5cce3f93870ccd2a20a467c70"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling zmq v0.9.2 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Compiling zmq-sys v0.11.0 [INFO] [stderr] Checking arbiter v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'zmq::message::Message::from_slice': Use the `From` trait instead. [INFO] [stderr] --> src/main.rs:214:15 [INFO] [stderr] | [INFO] [stderr] 214 | let state = zmq::Message::from_slice(i.to_string().as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `message` [INFO] [stderr] --> src/main.rs:55:22 [INFO] [stderr] | [INFO] [stderr] 55 | fn is_checksum_valid(message: &Vec) -> bool { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `registration_message` [INFO] [stderr] --> src/main.rs:103:38 [INFO] [stderr] | [INFO] [stderr] 103 | fn spawn_child(identity_name : &str, registration_message : &zmq::Message, children : &mut HashMap, ctx : &zmq::Context) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_registration_message` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `checksum` [INFO] [stderr] --> src/main.rs:186:8 [INFO] [stderr] | [INFO] [stderr] 186 | let checksum = message.swap_remove(7); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checksum` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'zmq::message::Message::from_slice': Use the `From` trait instead. [INFO] [stderr] --> src/main.rs:214:15 [INFO] [stderr] | [INFO] [stderr] 214 | let state = zmq::Message::from_slice(i.to_string().as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `message` [INFO] [stderr] --> src/main.rs:55:22 [INFO] [stderr] | [INFO] [stderr] 55 | fn is_checksum_valid(message: &Vec) -> bool { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `registration_message` [INFO] [stderr] --> src/main.rs:103:38 [INFO] [stderr] | [INFO] [stderr] 103 | fn spawn_child(identity_name : &str, registration_message : &zmq::Message, children : &mut HashMap, ctx : &zmq::Context) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_registration_message` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `checksum` [INFO] [stderr] --> src/main.rs:186:8 [INFO] [stderr] | [INFO] [stderr] 186 | let checksum = message.swap_remove(7); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checksum` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.12s [INFO] running `"docker" "inspect" "088898914fd8e9c022ccea14ef122bcdbd711da5cce3f93870ccd2a20a467c70"` [INFO] running `"docker" "rm" "-f" "088898914fd8e9c022ccea14ef122bcdbd711da5cce3f93870ccd2a20a467c70"` [INFO] [stdout] 088898914fd8e9c022ccea14ef122bcdbd711da5cce3f93870ccd2a20a467c70