[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] 3edece648d5d7b88371ece6a9c8d6c0777298b35
[INFO] checking cfsamson/examples-io-eventloop against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Fexamples-io-eventloop" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cfsamson/examples-io-eventloop 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/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-13/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" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 1a89bae41c2a39d082ff8652e1576060704e727ac19e720f9aa08c7c2b7f866f
[INFO] running `"docker" "start" "-a" "1a89bae41c2a39d082ff8652e1576060704e727ac19e720f9aa08c7c2b7f866f"`
[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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "1a89bae41c2a39d082ff8652e1576060704e727ac19e720f9aa08c7c2b7f866f"`
[INFO] running `"docker" "rm" "-f" "1a89bae41c2a39d082ff8652e1576060704e727ac19e720f9aa08c7c2b7f866f"`
[INFO] [stdout] 1a89bae41c2a39d082ff8652e1576060704e727ac19e720f9aa08c7c2b7f866f