[INFO] cloning repository https://github.com/fx-kirin/zmq_load_balancer_example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fx-kirin/zmq_load_balancer_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffx-kirin%2Fzmq_load_balancer_example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffx-kirin%2Fzmq_load_balancer_example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 07a30d5399c09d9810a3f017fa463d3310e1025a [INFO] checking fx-kirin/zmq_load_balancer_example against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffx-kirin%2Fzmq_load_balancer_example" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fx-kirin/zmq_load_balancer_example on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fx-kirin/zmq_load_balancer_example [INFO] finished tweaking git repo https://github.com/fx-kirin/zmq_load_balancer_example [INFO] tweaked toml for git repo https://github.com/fx-kirin/zmq_load_balancer_example written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/fx-kirin/zmq_load_balancer_example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a53f6c332d6a722c1d51a24ba0e58ec5d6b79e8bb69647771ad5fee6678b6541 [INFO] running `Command { std: "docker" "start" "-a" "a53f6c332d6a722c1d51a24ba0e58ec5d6b79e8bb69647771ad5fee6678b6541", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a53f6c332d6a722c1d51a24ba0e58ec5d6b79e8bb69647771ad5fee6678b6541", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a53f6c332d6a722c1d51a24ba0e58ec5d6b79e8bb69647771ad5fee6678b6541", kill_on_drop: false }` [INFO] [stdout] a53f6c332d6a722c1d51a24ba0e58ec5d6b79e8bb69647771ad5fee6678b6541 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] aab45399fba56f8095fdbc708bf0c9bf43c54cb342c9e31d30504a2d82c79ecb [INFO] running `Command { std: "docker" "start" "-a" "aab45399fba56f8095fdbc708bf0c9bf43c54cb342c9e31d30504a2d82c79ecb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Compiling zmq v0.9.2 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Compiling fs_extra v1.1.0 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Checking bytes v0.5.2 [INFO] [stderr] Checking pin-project-lite v0.1.1 [INFO] [stderr] Checking arc-swap v0.3.11 [INFO] [stderr] Checking log-mdc v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Checking futures01 v0.1.29 [INFO] [stderr] Checking lock_api v0.3.2 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking tokio-sync v0.1.7 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Checking miniz_oxide v0.3.5 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking tokio-executor v0.1.9 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling zmq_load_balancer_example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `fs` [INFO] [stdout] --> build.rs:5:16 [INFO] [stdout] | [INFO] [stdout] 5 | use std::{env, fs}; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u64` [INFO] [stdout] --> build.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | Ok(u64) => (), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_u64` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-timer v0.2.12 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Compiling zmq-sys v0.11.0 [INFO] [stderr] Checking crossbeam-channel v0.4.0 [INFO] [stderr] Checking crossbeam-queue v0.2.0 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Compiling async-zmq-derive v0.1.0 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking serde_yaml v0.8.11 [INFO] [stderr] Checking serde-value v0.5.3 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-reactor v0.1.11 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking tokio v0.2.2 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking async-zmq-types v0.3.2 [INFO] [stderr] Checking tokio-zmq v0.10.1 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking log4rs v0.9.0 (https://github.com/sfackler/log4rs#8657197b) [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stdout] warning: unused imports: `error`, `info`, `trace`, `warn` [INFO] [stdout] --> src/main.rs:4:18 [INFO] [stdout] | [INFO] [stdout] 4 | use log::{debug, error, info, trace, warn}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::mpsc` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use tokio::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error`, `info`, `trace`, `warn` [INFO] [stdout] --> src/main.rs:4:18 [INFO] [stdout] | [INFO] [stdout] 4 | use log::{debug, error, info, trace, warn}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::mpsc` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use tokio::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `WorkerSend` [INFO] [stdout] --> src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | WorkerSend, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `WorkerRecv` [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | WorkerRecv, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `TooManyMessages` [INFO] [stdout] --> src/main.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | TooManyMessages, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `MsgNotEmpty` [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | MsgNotEmpty, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `WorkerSend` [INFO] [stdout] --> src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | WorkerSend, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `WorkerRecv` [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | WorkerRecv, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `TooManyMessages` [INFO] [stdout] --> src/main.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | TooManyMessages, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `MsgNotEmpty` [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | MsgNotEmpty, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 19s [INFO] running `Command { std: "docker" "inspect" "aab45399fba56f8095fdbc708bf0c9bf43c54cb342c9e31d30504a2d82c79ecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aab45399fba56f8095fdbc708bf0c9bf43c54cb342c9e31d30504a2d82c79ecb", kill_on_drop: false }` [INFO] [stdout] aab45399fba56f8095fdbc708bf0c9bf43c54cb342c9e31d30504a2d82c79ecb