[INFO] fetching crate linux-io-uring 0.0.5...
[INFO] checking linux-io-uring-0.0.5 against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] extracting crate linux-io-uring 0.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate linux-io-uring 0.0.5 on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate linux-io-uring 0.0.5
[INFO] finished tweaking crates.io crate linux-io-uring 0.0.5
[INFO] tweaked toml for crates.io crate linux-io-uring 0.0.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linux-io-uring-sys v0.0.3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e922e6444795ab795fab1943288aee3d543699b8" "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] a3bb0e41392ead03a93b5deeafb4599bf72c89f75f3a57287772c338c9bdf5cc
[INFO] running `"docker" "start" "-a" "a3bb0e41392ead03a93b5deeafb4599bf72c89f75f3a57287772c338c9bdf5cc"`
[INFO] [stderr]    Compiling linux-io-uring-sys v0.0.3
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking linux-io-uring v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::convert::TryInto;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::convert::TryInto;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.42s
[INFO] running `"docker" "inspect" "a3bb0e41392ead03a93b5deeafb4599bf72c89f75f3a57287772c338c9bdf5cc"`
[INFO] running `"docker" "rm" "-f" "a3bb0e41392ead03a93b5deeafb4599bf72c89f75f3a57287772c338c9bdf5cc"`
[INFO] [stdout] a3bb0e41392ead03a93b5deeafb4599bf72c89f75f3a57287772c338c9bdf5cc