[INFO] updating cached repository https://github.com/cfsamson/examples-io-eventloop
[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] 09935a3597d823827a99fdb68b49dd51e6571394
[INFO] checking cfsamson/examples-io-eventloop against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Fexamples-io-eventloop" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cfsamson/examples-io-eventloop on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cfsamson/examples-io-eventloop
[INFO] finished tweaking git repo https://github.com/cfsamson/examples-io-eventloop
[INFO] tweaked toml for git repo https://github.com/cfsamson/examples-io-eventloop written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cfsamson/examples-io-eventloop already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] 67f4107417c24c7e1a7eb4c2527e587e424ef89dc1acf787ede13e6707573b79
[INFO] running `"docker" "start" "-a" "67f4107417c24c7e1a7eb4c2527e587e424ef89dc1acf787ede13e6707573b79"`
[INFO] [stderr]     Checking minimio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]    --> src/linux.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     use std::io;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::raw::c_void`
[INFO] [stderr]    --> src/linux.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 |     use std::os::raw::c_void;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]    --> src/linux.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     use std::io;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::raw::c_void`
[INFO] [stderr]    --> src/linux.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 |     use std::os::raw::c_void;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `EPOLL_CTL_DEL`
[INFO] [stderr]    --> src/linux.rs:176:5
[INFO] [stderr]     |
[INFO] [stderr] 176 |     pub const EPOLL_CTL_DEL: i32 = 2;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `EPOLL_CTL_DEL`
[INFO] [stderr]    --> src/linux.rs:176:5
[INFO] [stderr]     |
[INFO] [stderr] 176 |     pub const EPOLL_CTL_DEL: i32 = 2;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "67f4107417c24c7e1a7eb4c2527e587e424ef89dc1acf787ede13e6707573b79"`
[INFO] running `"docker" "rm" "-f" "67f4107417c24c7e1a7eb4c2527e587e424ef89dc1acf787ede13e6707573b79"`
[INFO] [stdout] 67f4107417c24c7e1a7eb4c2527e587e424ef89dc1acf787ede13e6707573b79