[INFO] updating cached repository https://github.com/tobyjsullivan/line-chat [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] 931028ec94748dc37fee02cf7c2de681c320d124 [INFO] checking tobyjsullivan/line-chat against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobyjsullivan%2Fline-chat" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tobyjsullivan/line-chat on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/tobyjsullivan/line-chat [INFO] finished tweaking git repo https://github.com/tobyjsullivan/line-chat [INFO] tweaked toml for git repo https://github.com/tobyjsullivan/line-chat written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/tobyjsullivan/line-chat already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 0e154f471616c45c7ca71ca003974ad23f85fb27ffb5a12373c85c877e0808a7 [INFO] running `"docker" "start" "-a" "0e154f471616c45c7ca71ca003974ad23f85fb27ffb5a12373c85c877e0808a7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking tokio-executor v0.1.0 (https://github.com/tokio-rs/tokio#5555cbc8) [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking tokio-io v0.1.5 (https://github.com/tokio-rs/tokio#5555cbc8) [INFO] [stderr] Checking crossbeam-epoch v0.4.0 [INFO] [stderr] Checking tokio-reactor v0.1.0 (https://github.com/tokio-rs/tokio#5555cbc8) [INFO] [stderr] Checking crossbeam-deque v0.3.0 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking tokio-threadpool v0.1.0 (https://github.com/tokio-rs/tokio#5555cbc8) [INFO] [stderr] Checking tokio v0.1.1 (https://github.com/tokio-rs/tokio#5555cbc8) [INFO] [stderr] Checking line-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `env` [INFO] [stderr] --> src/main.rs:6:11 [INFO] [stderr] | [INFO] [stderr] 6 | use std::{env, io}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::os::unix::io::AsRawFd` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::os::unix::io::AsRawFd; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `empty` [INFO] [stderr] --> src/main.rs:9:29 [INFO] [stderr] | [INFO] [stderr] 9 | use futures::future::{lazy, empty}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `nix::sys::socket` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use nix::sys::socket; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `nix::sys::socket::sockopt::Broadcast` [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use nix::sys::socket::sockopt::Broadcast; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `env` [INFO] [stderr] --> src/main.rs:6:11 [INFO] [stderr] | [INFO] [stderr] 6 | use std::{env, io}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::os::unix::io::AsRawFd` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::os::unix::io::AsRawFd; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `empty` [INFO] [stderr] --> src/main.rs:9:29 [INFO] [stderr] | [INFO] [stderr] 9 | use futures::future::{lazy, empty}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `nix::sys::socket` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use nix::sys::socket; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `nix::sys::socket::sockopt::Broadcast` [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use nix::sys::socket::sockopt::Broadcast; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `to_send` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | to_send: Option<(usize, SocketAddr)>, [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/main.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | server.socket.poll_send_to(&msg.into_bytes().as_slice(), &bc_addr); [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: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: field is never read: `to_send` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | to_send: Option<(usize, SocketAddr)>, [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/main.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | server.socket.poll_send_to(&msg.into_bytes().as_slice(), &bc_addr); [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: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.82s [INFO] running `"docker" "inspect" "0e154f471616c45c7ca71ca003974ad23f85fb27ffb5a12373c85c877e0808a7"` [INFO] running `"docker" "rm" "-f" "0e154f471616c45c7ca71ca003974ad23f85fb27ffb5a12373c85c877e0808a7"` [INFO] [stdout] 0e154f471616c45c7ca71ca003974ad23f85fb27ffb5a12373c85c877e0808a7