[INFO] fetching crate nonblocking_socket 0.0.2...
[INFO] checking nonblocking_socket-0.0.2 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate nonblocking_socket 0.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nonblocking_socket 0.0.2 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nonblocking_socket 0.0.2
[INFO] finished tweaking crates.io crate nonblocking_socket 0.0.2
[INFO] tweaked toml for crates.io crate nonblocking_socket 0.0.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7e5b898a0009dc343c6fdbdb9d0a153f8b0b5d2ee913ac5c8a1437bd9b838fc
[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" "f7e5b898a0009dc343c6fdbdb9d0a153f8b0b5d2ee913ac5c8a1437bd9b838fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7e5b898a0009dc343c6fdbdb9d0a153f8b0b5d2ee913ac5c8a1437bd9b838fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e5b898a0009dc343c6fdbdb9d0a153f8b0b5d2ee913ac5c8a1437bd9b838fc", kill_on_drop: false }`
[INFO] [stdout] f7e5b898a0009dc343c6fdbdb9d0a153f8b0b5d2ee913ac5c8a1437bd9b838fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7d3211e5e0dd5c7807f3559f25147b232620bb7ae7e9b097f485039d0f88870e
[INFO] running `Command { std: "docker" "start" "-a" "7d3211e5e0dd5c7807f3559f25147b232620bb7ae7e9b097f485039d0f88870e", kill_on_drop: false }`
[INFO] [stderr]     Checking nonblocking_socket v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:65:3
[INFO] [stdout]    |
[INFO] [stdout] 65 |         try!(set_blocking(fd, blocking));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:92:6
[INFO] [stdout]    |
[INFO] [stdout] 92 |         if try!(self.pending()) > 0 || self.blocking {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:65:3
[INFO] [stdout]    |
[INFO] [stdout] 65 |         try!(set_blocking(fd, blocking));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:92:6
[INFO] [stdout]    |
[INFO] [stdout] 92 |         if try!(self.pending()) > 0 || self.blocking {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:120:62
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let client = TcpStream::connect("127.0.0.1:34254").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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "7d3211e5e0dd5c7807f3559f25147b232620bb7ae7e9b097f485039d0f88870e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3211e5e0dd5c7807f3559f25147b232620bb7ae7e9b097f485039d0f88870e", kill_on_drop: false }`
[INFO] [stdout] 7d3211e5e0dd5c7807f3559f25147b232620bb7ae7e9b097f485039d0f88870e