[INFO] fetching crate memsocket 0.1.3...
[INFO] testing memsocket-0.1.3 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate memsocket 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate memsocket 0.1.3 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memsocket 0.1.3
[INFO] finished tweaking crates.io crate memsocket 0.1.3
[INFO] tweaked toml for crates.io crate memsocket 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] ca9e4609035d98daeeb81f7a508a6d11688cbf21feebc0f5c9d160c739f7188c
[INFO] running `Command { std: "docker" "start" "-a" "ca9e4609035d98daeeb81f7a508a6d11688cbf21feebc0f5c9d160c739f7188c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca9e4609035d98daeeb81f7a508a6d11688cbf21feebc0f5c9d160c739f7188c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9e4609035d98daeeb81f7a508a6d11688cbf21feebc0f5c9d160c739f7188c", kill_on_drop: false }`
[INFO] [stdout] ca9e4609035d98daeeb81f7a508a6d11688cbf21feebc0f5c9d160c739f7188c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] c055d225d25d6aed5ae2bc22a7165fd58026217854d8ef0ab02ba64571d4c2fe
[INFO] running `Command { std: "docker" "start" "-a" "c055d225d25d6aed5ae2bc22a7165fd58026217854d8ef0ab02ba64571d4c2fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling memsocket v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "c055d225d25d6aed5ae2bc22a7165fd58026217854d8ef0ab02ba64571d4c2fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c055d225d25d6aed5ae2bc22a7165fd58026217854d8ef0ab02ba64571d4c2fe", kill_on_drop: false }`
[INFO] [stdout] c055d225d25d6aed5ae2bc22a7165fd58026217854d8ef0ab02ba64571d4c2fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0f5d78348258d44938c703dc75f208d75848a71241422711fe45a7cf5ac077c
[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" "f0f5d78348258d44938c703dc75f208d75848a71241422711fe45a7cf5ac077c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memsocket v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]   --> tests/unbounded_test.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     tokio::runtime::current_thread::Runtime::new()
[INFO] [stdout] 32 | |         .unwrap()
[INFO] [stdout] 33 | |         .block_on({
[INFO] [stdout] 34 | |             tokio::io::read_to_end(server, vec![])
[INFO] [stdout] ...  |
[INFO] [stdout] 41 | |         })
[INFO] [stdout] 42 | |         .unwrap();
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]   --> tests/bounded_test.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     tokio::runtime::current_thread::Runtime::new()
[INFO] [stdout] 32 | |         .unwrap()
[INFO] [stdout] 33 | |         .block_on({
[INFO] [stdout] 34 | |             tokio::io::read_to_end(server, vec![])
[INFO] [stdout] ...  |
[INFO] [stdout] 41 | |         })
[INFO] [stdout] 42 | |         .unwrap();
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "f0f5d78348258d44938c703dc75f208d75848a71241422711fe45a7cf5ac077c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f5d78348258d44938c703dc75f208d75848a71241422711fe45a7cf5ac077c", kill_on_drop: false }`
[INFO] [stdout] f0f5d78348258d44938c703dc75f208d75848a71241422711fe45a7cf5ac077c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9bd75952497adcb8091d37c28d0f53ee5a721483bad3a09c95bfa61cf0a1fcd
[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" "a9bd75952497adcb8091d37c28d0f53ee5a721483bad3a09c95bfa61cf0a1fcd", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stderr]   --> tests/unbounded_test.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     tokio::runtime::current_thread::Runtime::new()
[INFO] [stderr] 32 | |         .unwrap()
[INFO] [stderr] 33 | |         .block_on({
[INFO] [stderr] 34 | |             tokio::io::read_to_end(server, vec![])
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |         })
[INFO] [stderr] 42 | |         .unwrap();
[INFO] [stderr]    | |__________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stderr]   --> tests/bounded_test.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     tokio::runtime::current_thread::Runtime::new()
[INFO] [stderr] 32 | |         .unwrap()
[INFO] [stderr] 33 | |         .block_on({
[INFO] [stderr] 34 | |             tokio::io::read_to_end(server, vec![])
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |         })
[INFO] [stderr] 42 | |         .unwrap();
[INFO] [stderr]    | |__________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `memsocket` (test "unbounded_test") generated 1 warning
[INFO] [stderr] warning: `memsocket` (test "bounded_test") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/memsocket-3c051d2da1d8a15b)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/bounded_test.rs (/opt/rustwide/target/debug/deps/bounded_test-3ff6c4493d7857a5)
[INFO] [stdout] running 0 tests
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test read_then_write ... ok
[INFO] [stderr]      Running tests/unbounded_test.rs (/opt/rustwide/target/debug/deps/unbounded_test-be27afc306ec0005)
[INFO] [stdout] test write_then_read ... ok
[INFO] [stdout] test write_then_read_partial ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test write_then_read_partial ... ok
[INFO] [stdout] test write_then_read ... ok
[INFO] [stdout] test read_then_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests memsocket
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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] running `Command { std: "docker" "inspect" "a9bd75952497adcb8091d37c28d0f53ee5a721483bad3a09c95bfa61cf0a1fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9bd75952497adcb8091d37c28d0f53ee5a721483bad3a09c95bfa61cf0a1fcd", kill_on_drop: false }`
[INFO] [stdout] a9bd75952497adcb8091d37c28d0f53ee5a721483bad3a09c95bfa61cf0a1fcd