[INFO] crate tokio-utp 0.3.0 is already in cache
[INFO] checking tokio-utp-0.3.0 against master#450abe80f193ccefbfcd48214d70520f2d507f0e for pr-73084
[INFO] extracting crate tokio-utp 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tokio-utp 0.3.0 on toolchain 450abe80f193ccefbfcd48214d70520f2d507f0e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tokio-utp 0.3.0
[INFO] finished tweaking crates.io crate tokio-utp 0.3.0
[INFO] tweaked toml for crates.io crate tokio-utp 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "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-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" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "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] 80bf5d5899a0377d8ed2db06c21b33e08c62bdbdb182b2c7c1c08389ebc76a90
[INFO] running `"docker" "start" "-a" "80bf5d5899a0377d8ed2db06c21b33e08c62bdbdb182b2c7c1c08389ebc76a90"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-uds v0.2.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking future-utils v0.6.0
[INFO] [stderr]     Checking tokio-utp v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test/test_round_trip.rs:15:36
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn sendless_boxed(self) -> Box<Future<Item=Self::Item, Error=Self::Error> + 'static> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Self::Item, Error=Self::Error> + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `rand` is imported redundantly
[INFO] [stderr]   --> src/util.rs:49:16
[INFO] [stderr]    |
[INFO] [stderr] 49 |     use rand::{self, Rng};
[INFO] [stderr]    |                ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | extern crate rand;
[INFO] [stderr]    | ------------------ the item `rand` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]     --> src/socket.rs:1566:25
[INFO] [stderr]      |
[INFO] [stderr] 1566 |                         mem::replace(&mut self.state, UtpStreamConnectState::Waiting(stream));
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]     --> src/socket.rs:1566:25
[INFO] [stderr]      |
[INFO] [stderr] 1566 |                         mem::replace(&mut self.state, UtpStreamConnectState::Waiting(stream));
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.83s
[INFO] running `"docker" "inspect" "80bf5d5899a0377d8ed2db06c21b33e08c62bdbdb182b2c7c1c08389ebc76a90"`
[INFO] running `"docker" "rm" "-f" "80bf5d5899a0377d8ed2db06c21b33e08c62bdbdb182b2c7c1c08389ebc76a90"`
[INFO] [stdout] 80bf5d5899a0377d8ed2db06c21b33e08c62bdbdb182b2c7c1c08389ebc76a90