[INFO] fetching crate nonblocking_socket 0.0.2...
[INFO] testing nonblocking_socket-0.0.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate nonblocking_socket 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nonblocking_socket 0.0.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 132a46df80a90028ea579e3e178487123ffedc3ee6f2038c591d3448dfaacdfb
[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" "132a46df80a90028ea579e3e178487123ffedc3ee6f2038c591d3448dfaacdfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "132a46df80a90028ea579e3e178487123ffedc3ee6f2038c591d3448dfaacdfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132a46df80a90028ea579e3e178487123ffedc3ee6f2038c591d3448dfaacdfb", kill_on_drop: false }`
[INFO] [stdout] 132a46df80a90028ea579e3e178487123ffedc3ee6f2038c591d3448dfaacdfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] a70a55b84ac9a68f8bab823c7dba059ceb7ded56ac7212e7ca2c1deb5d2ce968
[INFO] running `Command { std: "docker" "start" "-a" "a70a55b84ac9a68f8bab823c7dba059ceb7ded56ac7212e7ca2c1deb5d2ce968", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "a70a55b84ac9a68f8bab823c7dba059ceb7ded56ac7212e7ca2c1deb5d2ce968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70a55b84ac9a68f8bab823c7dba059ceb7ded56ac7212e7ca2c1deb5d2ce968", kill_on_drop: false }`
[INFO] [stdout] a70a55b84ac9a68f8bab823c7dba059ceb7ded56ac7212e7ca2c1deb5d2ce968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed3b0b07ff75c5bd3628026ed4bf0119c25a4454bd0f14e5fd1296b14198812b
[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" "ed3b0b07ff75c5bd3628026ed4bf0119c25a4454bd0f14e5fd1296b14198812b", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 2 warnings emitted
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "ed3b0b07ff75c5bd3628026ed4bf0119c25a4454bd0f14e5fd1296b14198812b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed3b0b07ff75c5bd3628026ed4bf0119c25a4454bd0f14e5fd1296b14198812b", kill_on_drop: false }`
[INFO] [stdout] ed3b0b07ff75c5bd3628026ed4bf0119c25a4454bd0f14e5fd1296b14198812b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] b5749db45d809a5dc50f5599628e16150e43d9dc648cf15d5a45d1fd2adf1ed4
[INFO] running `Command { std: "docker" "start" "-a" "b5749db45d809a5dc50f5599628e16150e43d9dc648cf15d5a45d1fd2adf1ed4", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:65:3
[INFO] [stderr]    |
[INFO] [stderr] 65 |         try!(set_blocking(fd, blocking));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:92:6
[INFO] [stderr]    |
[INFO] [stderr] 92 |         if try!(self.pending()) > 0 || self.blocking {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:65:3
[INFO] [stderr]    |
[INFO] [stderr] 65 |         try!(set_blocking(fd, blocking));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:92:6
[INFO] [stderr]    |
[INFO] [stderr] 92 |         if try!(self.pending()) > 0 || self.blocking {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:120:62
[INFO] [stderr]     |
[INFO] [stderr] 120 |     let client = TcpStream::connect("127.0.0.1:34254").unwrap();;
[INFO] [stderr]     |                                                                 ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nonblocking_socket-7fd3241325abc180
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... test it_works has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b5749db45d809a5dc50f5599628e16150e43d9dc648cf15d5a45d1fd2adf1ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5749db45d809a5dc50f5599628e16150e43d9dc648cf15d5a45d1fd2adf1ed4", kill_on_drop: false }`
[INFO] [stdout] b5749db45d809a5dc50f5599628e16150e43d9dc648cf15d5a45d1fd2adf1ed4