[INFO] fetching crate tokio-timerfd 0.1.0...
[INFO] checking tokio-timerfd-0.1.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate tokio-timerfd 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tokio-timerfd 0.1.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-timerfd 0.1.0
[INFO] finished tweaking crates.io crate tokio-timerfd 0.1.0
[INFO] tweaked toml for crates.io crate tokio-timerfd 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef6b644728f1ae18fb7407140e2ae1962f3f3deef41f31c2c46682e71b4142c5
[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" "ef6b644728f1ae18fb7407140e2ae1962f3f3deef41f31c2c46682e71b4142c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef6b644728f1ae18fb7407140e2ae1962f3f3deef41f31c2c46682e71b4142c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6b644728f1ae18fb7407140e2ae1962f3f3deef41f31c2c46682e71b4142c5", kill_on_drop: false }`
[INFO] [stdout] ef6b644728f1ae18fb7407140e2ae1962f3f3deef41f31c2c46682e71b4142c5
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84197528e8f4bdbc30ae5a6dded0a8d8e4117846c71cd95eb543a19e6c2bab0d
[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" "84197528e8f4bdbc30ae5a6dded0a8d8e4117846c71cd95eb543a19e6c2bab0d", kill_on_drop: false }`
[INFO] [stderr]     Checking timerfd v1.2.0
[INFO] [stderr]     Checking tokio-timerfd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `TimerFd::periodic`: please use Interval
[INFO] [stdout]    --> src/lib.rs:109:18
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 .periodic(Duration::from_micros(1))
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `delay_fired` is never read
[INFO] [stdout]    --> src/delay.rs:100:21
[INFO] [stdout]     |
[INFO] [stdout] 100 |                     delay_fired = true;
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delay_fired`
[INFO] [stdout]    --> src/delay.rs:100:21
[INFO] [stdout]     |
[INFO] [stdout] 100 |                     delay_fired = true;
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "84197528e8f4bdbc30ae5a6dded0a8d8e4117846c71cd95eb543a19e6c2bab0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84197528e8f4bdbc30ae5a6dded0a8d8e4117846c71cd95eb543a19e6c2bab0d", kill_on_drop: false }`
[INFO] [stdout] 84197528e8f4bdbc30ae5a6dded0a8d8e4117846c71cd95eb543a19e6c2bab0d