[INFO] fetching crate copoll 1.3.0... [INFO] testing copoll-1.3.0 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate copoll 1.3.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate copoll 1.3.0 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate copoll 1.3.0 [INFO] finished tweaking crates.io crate copoll 1.3.0 [INFO] tweaked toml for crates.io crate copoll 1.3.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate copoll 1.3.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 09e40249721165cecf872545c0e22c86111a57a3bed066e3109dbb04a393c2e9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "09e40249721165cecf872545c0e22c86111a57a3bed066e3109dbb04a393c2e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09e40249721165cecf872545c0e22c86111a57a3bed066e3109dbb04a393c2e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09e40249721165cecf872545c0e22c86111a57a3bed066e3109dbb04a393c2e9", kill_on_drop: false }` [INFO] [stdout] 09e40249721165cecf872545c0e22c86111a57a3bed066e3109dbb04a393c2e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 042ab68080c8b4d6ed84a0319856b2b1ee36cf90b34bce3f692e9efb672ae9ee [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "042ab68080c8b4d6ed84a0319856b2b1ee36cf90b34bce3f692e9efb672ae9ee", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.116 [INFO] [stderr] Compiling nix v0.23.1 [INFO] [stderr] Compiling copoll v1.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:122:13 [INFO] [stdout] | [INFO] [stdout] 122 | let mut events = buffer.iter().take(n_events).map(|event| Event { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.26s [INFO] running `Command { std: "docker" "inspect" "042ab68080c8b4d6ed84a0319856b2b1ee36cf90b34bce3f692e9efb672ae9ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "042ab68080c8b4d6ed84a0319856b2b1ee36cf90b34bce3f692e9efb672ae9ee", kill_on_drop: false }` [INFO] [stdout] 042ab68080c8b4d6ed84a0319856b2b1ee36cf90b34bce3f692e9efb672ae9ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88c882f0e4e0db590ee0e816396aa262e55844cad2a8ba844f126d90ab150328 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "88c882f0e4e0db590ee0e816396aa262e55844cad2a8ba844f126d90ab150328", kill_on_drop: false }` [INFO] [stderr] Compiling copoll v1.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:122:13 [INFO] [stdout] | [INFO] [stdout] 122 | let mut events = buffer.iter().take(n_events).map(|event| Event { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Event`, `Events` [INFO] [stdout] --> examples/example.rs:1:44 [INFO] [stdout] | [INFO] [stdout] 1 | use copoll::{Interest, Mode, Token, Epoll, Event, Events}; [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event` [INFO] [stdout] --> examples/example.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | for event in events.iter() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_event` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/example.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let mut listener = UnixListener::bind("test.sock").unwrap(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/example.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut events = epoll.poll(Some(Duration::from_millis(2000))).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:122:13 [INFO] [stdout] | [INFO] [stdout] 122 | let mut events = buffer.iter().take(n_events).map(|event| Event { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.42s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "88c882f0e4e0db590ee0e816396aa262e55844cad2a8ba844f126d90ab150328", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88c882f0e4e0db590ee0e816396aa262e55844cad2a8ba844f126d90ab150328", kill_on_drop: false }` [INFO] [stdout] 88c882f0e4e0db590ee0e816396aa262e55844cad2a8ba844f126d90ab150328 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 79047a5350e82485137cfce2079ecdeb5dc283a839571649762ae10ca086b06d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "79047a5350e82485137cfce2079ecdeb5dc283a839571649762ae10ca086b06d", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/lib.rs:122:13 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 122 | let mut events = buffer.iter().take(n_events).map(|event| Event { [INFO] [stdout] [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] warning: `copoll` (lib) generated 1 warning [INFO] [stderr] warning: `copoll` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: unused imports: `Event`, `Events` [INFO] [stderr] --> examples/example.rs:1:44 [INFO] [stderr] | [INFO] [stderr] 1 | use copoll::{Interest, Mode, Token, Epoll, Event, Events}; [INFO] [stderr] | ^^^^^ ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event` [INFO] [stderr] --> examples/example.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | for event in events.iter() { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_event` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/example.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let mut listener = UnixListener::bind("test.sock").unwrap(); [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] warning: variable does not need to be mutable [INFO] [stderr] --> examples/example.rs:13:13 [INFO] [stderr] | [INFO] [stderr] 13 | let mut events = epoll.poll(Some(Duration::from_millis(2000))).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `copoll` (example "example") generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/copoll-099b614777bca846) [INFO] [stderr] Doc-tests copoll [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "79047a5350e82485137cfce2079ecdeb5dc283a839571649762ae10ca086b06d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79047a5350e82485137cfce2079ecdeb5dc283a839571649762ae10ca086b06d", kill_on_drop: false }` [INFO] [stdout] 79047a5350e82485137cfce2079ecdeb5dc283a839571649762ae10ca086b06d