[INFO] updating cached repository https://github.com/hxtk/filepoller
[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] a6a64f70e433c961d6fc97a8ddbbbb35836051bf
[INFO] checking hxtk/filepoller against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhxtk%2Ffilepoller" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hxtk/filepoller on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hxtk/filepoller
[INFO] finished tweaking git repo https://github.com/hxtk/filepoller
[INFO] tweaked toml for git repo https://github.com/hxtk/filepoller written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/hxtk/filepoller already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 174337233ea2ba1bcabef9204160a43f1272bf53d6cd38a6d824c77c9328cc96
[INFO] running `"docker" "start" "-a" "174337233ea2ba1bcabef9204160a43f1272bf53d6cd38a6d824c77c9328cc96"`
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking filepoller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `NoSuchTask`
[INFO] [stderr]   --> src/scheduler/errors.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     NoSuchTask,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove_task`
[INFO] [stderr]   --> src/scheduler/scheduler.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn remove_task(&self, task_id: usize) -> Result<(), errors::SchedulerError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoSuchTask`
[INFO] [stderr]   --> src/scheduler/errors.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     NoSuchTask,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove_task`
[INFO] [stderr]   --> src/scheduler/scheduler.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn remove_task(&self, task_id: usize) -> Result<(), errors::SchedulerError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.48s
[INFO] running `"docker" "inspect" "174337233ea2ba1bcabef9204160a43f1272bf53d6cd38a6d824c77c9328cc96"`
[INFO] running `"docker" "rm" "-f" "174337233ea2ba1bcabef9204160a43f1272bf53d6cd38a6d824c77c9328cc96"`
[INFO] [stdout] 174337233ea2ba1bcabef9204160a43f1272bf53d6cd38a6d824c77c9328cc96