[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] bdb13c09e49c4d20b07f37ee823f1e7106a7f690 [INFO] checking cfsamson/examples-io-eventloop against try#7cb06892a23b4da510686618c8730f0b2e8bd952 for pr-66963 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Fexamples-io-eventloop" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cfsamson/examples-io-eventloop on toolchain 7cb06892a23b4da510686618c8730f0b2e8bd952 [INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "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-8/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" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 6b3def14a574eee3d7fee4489d902aed4f7375e16481d514836637cb295a9444 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "6b3def14a574eee3d7fee4489d902aed4f7375e16481d514836637cb295a9444"` [INFO] [stderr] Checking minimio v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/linux.rs:182:9 [INFO] [stderr] | [INFO] [stderr] 182 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/linux.rs:182:9 [INFO] [stderr] | [INFO] [stderr] 182 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/linux.rs:244:21 [INFO] [stderr] | [INFO] [stderr] 244 | Data { fd } => EpollData::Fd(fd), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/linux.rs:245:21 [INFO] [stderr] | [INFO] [stderr] 245 | Data { uint32 } => EpollData::Uint32(uint32), [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/linux.rs:246:21 [INFO] [stderr] | [INFO] [stderr] 246 | Data { uint64 } => EpollData::Uint64(uint64), [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `EPOLL_CTL_DEL` [INFO] [stderr] --> src/linux.rs:186:5 [INFO] [stderr] | [INFO] [stderr] 186 | 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: unreachable pattern [INFO] [stderr] --> src/linux.rs:244:21 [INFO] [stderr] | [INFO] [stderr] 244 | Data { fd } => EpollData::Fd(fd), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/linux.rs:245:21 [INFO] [stderr] | [INFO] [stderr] 245 | Data { uint32 } => EpollData::Uint32(uint32), [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/linux.rs:246:21 [INFO] [stderr] | [INFO] [stderr] 246 | Data { uint64 } => EpollData::Uint64(uint64), [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `EPOLL_CTL_DEL` [INFO] [stderr] --> src/linux.rs:186:5 [INFO] [stderr] | [INFO] [stderr] 186 | 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: variable does not need to be mutable [INFO] [stderr] --> tests/multiple_registrations.rs:25:17 [INFO] [stderr] | [INFO] [stderr] 25 | let mut will_close = false; [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `"docker" "inspect" "6b3def14a574eee3d7fee4489d902aed4f7375e16481d514836637cb295a9444"` [INFO] running `"docker" "rm" "-f" "6b3def14a574eee3d7fee4489d902aed4f7375e16481d514836637cb295a9444"` [INFO] [stdout] 6b3def14a574eee3d7fee4489d902aed4f7375e16481d514836637cb295a9444