[INFO] fetching crate memory-socket 0.2.0...
[INFO] testing memory-socket-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate memory-socket 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate memory-socket 0.2.0 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 memory-socket 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate memory-socket 0.2.0
[INFO] tweaked toml for crates.io crate memory-socket 0.2.0 written to /workspace/builds/worker-9/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] cad2f6e5b043193c664c706731e4d5d90c8caa368f6c7fd6bcb5b1cef57dd3ac
[INFO] running `Command { std: "docker" "start" "-a" "cad2f6e5b043193c664c706731e4d5d90c8caa368f6c7fd6bcb5b1cef57dd3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cad2f6e5b043193c664c706731e4d5d90c8caa368f6c7fd6bcb5b1cef57dd3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cad2f6e5b043193c664c706731e4d5d90c8caa368f6c7fd6bcb5b1cef57dd3ac", kill_on_drop: false }`
[INFO] [stdout] cad2f6e5b043193c664c706731e4d5d90c8caa368f6c7fd6bcb5b1cef57dd3ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f80e2d3feb968ee975edc4e07dc14e36f5720eecdc508e296c13efdfc3817dc5
[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" "f80e2d3feb968ee975edc4e07dc14e36f5720eecdc508e296c13efdfc3817dc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling flume v0.7.2
[INFO] [stderr]    Compiling memory-socket v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "f80e2d3feb968ee975edc4e07dc14e36f5720eecdc508e296c13efdfc3817dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80e2d3feb968ee975edc4e07dc14e36f5720eecdc508e296c13efdfc3817dc5", kill_on_drop: false }`
[INFO] [stdout] f80e2d3feb968ee975edc4e07dc14e36f5720eecdc508e296c13efdfc3817dc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6e88eb9fd4b2bac763e1505b9421c6bca574d8f18e44bbe9fb35803b811e1e2
[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" "e6e88eb9fd4b2bac763e1505b9421c6bca574d8f18e44bbe9fb35803b811e1e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memory-socket v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "e6e88eb9fd4b2bac763e1505b9421c6bca574d8f18e44bbe9fb35803b811e1e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e88eb9fd4b2bac763e1505b9421c6bca574d8f18e44bbe9fb35803b811e1e2", kill_on_drop: false }`
[INFO] [stdout] e6e88eb9fd4b2bac763e1505b9421c6bca574d8f18e44bbe9fb35803b811e1e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8e02d9e60b04c0e9dfc0a8508b03c1463b73202264a02320938d7a5a4a3744a
[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" "b8e02d9e60b04c0e9dfc0a8508b03c1463b73202264a02320938d7a5a4a3744a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/memory_socket-092125977f8e7826
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sync-9713e76571ef9597
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test many_small_writes ... ok
[INFO] [stdout] test listen_on_port_zero ... ok
[INFO] [stdout] test listener_correctly_frees_port_on_drop ... ok
[INFO] [stdout] test partial_read ... ok
[INFO] [stdout] test listener_bind ... ok
[INFO] [stdout] test partial_read_write_both_sides ... ok
[INFO] [stdout] test read_zero_bytes ... ok
[INFO] [stdout] test read_bytes_with_large_buffer ... ok
[INFO] [stdout] test simple_connect ... ok
[INFO] [stdout] test simple_write_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests memory-socket
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - MemoryListener::incoming (line 180) ... ok
[INFO] [stdout] test src/lib.rs - MemoryListener (line 50) ... ok
[INFO] [stdout] test src/lib.rs - MemoryListener::bind (line 101) ... ok
[INFO] [stdout] test src/lib.rs - MemoryListener::accept (line 209) ... ok
[INFO] [stdout] test src/lib.rs - MemorySocket::new_pair (line 295) ... ok
[INFO] [stdout] test src/lib.rs - MemorySocket (line 252) ... ok
[INFO] [stdout] test src/lib.rs - MemorySocket::connect (line 316) ... ok
[INFO] [stdout] test src/lib.rs - MemoryListener::local_addr (line 157) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b8e02d9e60b04c0e9dfc0a8508b03c1463b73202264a02320938d7a5a4a3744a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8e02d9e60b04c0e9dfc0a8508b03c1463b73202264a02320938d7a5a4a3744a", kill_on_drop: false }`
[INFO] [stdout] b8e02d9e60b04c0e9dfc0a8508b03c1463b73202264a02320938d7a5a4a3744a