[INFO] fetching crate mio-pool 0.5.7...
[INFO] checking mio-pool-0.5.7 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate mio-pool 0.5.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mio-pool 0.5.7 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mio-pool 0.5.7
[INFO] finished tweaking crates.io crate mio-pool 0.5.7
[INFO] tweaked toml for crates.io crate mio-pool 0.5.7 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ef9b4f027e987c9e61094c8a23ceae9fae913878b32254e532892c4f30dc123
[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" "4ef9b4f027e987c9e61094c8a23ceae9fae913878b32254e532892c4f30dc123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ef9b4f027e987c9e61094c8a23ceae9fae913878b32254e532892c4f30dc123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef9b4f027e987c9e61094c8a23ceae9fae913878b32254e532892c4f30dc123", kill_on_drop: false }`
[INFO] [stdout] 4ef9b4f027e987c9e61094c8a23ceae9fae913878b32254e532892c4f30dc123
[INFO] running `Command { std: "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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a88064ad60bd7b7567b381143e0ed55095a1e725633ffe4190fa66caace899d
[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" "7a88064ad60bd7b7567b381143e0ed55095a1e725633ffe4190fa66caace899d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling nix v0.12.1
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-pool v0.5.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poll.rs:178:26
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn ctl(&self, file: &AsRawFd, t: Token, op: epoll::EpollOp) -> io::Result<()> {
[INFO] [stdout]     |                          ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poll.rs:198:35
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn register(&self, file: &AsRawFd, t: Token) -> io::Result<()> {
[INFO] [stdout]     |                                   ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poll.rs:214:37
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn reregister(&self, file: &AsRawFd, t: Token) -> io::Result<()> {
[INFO] [stdout]     |                                     ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poll.rs:222:37
[INFO] [stdout]     |
[INFO] [stdout] 222 |     pub fn deregister(&self, file: &AsRawFd) -> io::Result<()> {
[INFO] [stdout]     |                                     ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/builder.rs:70:29
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub(super) adapter: Arc<Fn(L::Connection) -> C + 'static + Send + Sync>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(L::Connection) -> C + 'static + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/builder.rs:71:31
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub(super) finalizer: Arc<Fn(S) -> R + Send + Sync + 'static>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> R + Send + Sync + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poll.rs:178:26
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn ctl(&self, file: &AsRawFd, t: Token, op: epoll::EpollOp) -> io::Result<()> {
[INFO] [stdout]     |                          ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poll.rs:198:35
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn register(&self, file: &AsRawFd, t: Token) -> io::Result<()> {
[INFO] [stdout]     |                                   ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poll.rs:214:37
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn reregister(&self, file: &AsRawFd, t: Token) -> io::Result<()> {
[INFO] [stdout]     |                                     ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poll.rs:222:37
[INFO] [stdout]     |
[INFO] [stdout] 222 |     pub fn deregister(&self, file: &AsRawFd) -> io::Result<()> {
[INFO] [stdout]     |                                     ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/builder.rs:70:29
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub(super) adapter: Arc<Fn(L::Connection) -> C + 'static + Send + Sync>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(L::Connection) -> C + 'static + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/builder.rs:71:31
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub(super) finalizer: Arc<Fn(S) -> R + Send + Sync + 'static>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> R + Send + Sync + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/lib.rs:164:39
[INFO] [stdout]     |
[INFO] [stdout] 164 |         r.write_all(&[0x00]).unwrap();;
[INFO] [stdout]     |                                       ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` 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 7.28s
[INFO] running `Command { std: "docker" "inspect" "7a88064ad60bd7b7567b381143e0ed55095a1e725633ffe4190fa66caace899d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a88064ad60bd7b7567b381143e0ed55095a1e725633ffe4190fa66caace899d", kill_on_drop: false }`
[INFO] [stdout] 7a88064ad60bd7b7567b381143e0ed55095a1e725633ffe4190fa66caace899d